tidb tables 源码
tidb tables 代码
文件路径：/infoschema/tables.go
// Copyright 2016 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package infoschema
import (
"context"
"encoding/json"
"fmt"
"net"
"net/http"
"strconv"
"strings"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/kvproto/pkg/metapb"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/ddl/placement"
"github.com/pingcap/tidb/domain/infosync"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta/autoid"
"github.com/pingcap/tidb/parser/charset"
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/parser/terror"
"github.com/pingcap/tidb/privilege"
"github.com/pingcap/tidb/session/txninfo"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/table"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util"
"github.com/pingcap/tidb/util/deadlockhistory"
"github.com/pingcap/tidb/util/execdetails"
"github.com/pingcap/tidb/util/logutil"
"github.com/pingcap/tidb/util/pdapi"
"github.com/pingcap/tidb/util/sem"
"github.com/pingcap/tidb/util/stmtsummary"
"github.com/tikv/client-go/v2/tikv"
"go.uber.org/zap"
)
const (
// TableSchemata is the string constant of infoschema table.
TableSchemata = "SCHEMATA"
// TableTables is the string constant of infoschema table.
TableTables = "TABLES"
// TableColumns is the string constant of infoschema table
TableColumns = "COLUMNS"
tableColumnStatistics = "COLUMN_STATISTICS"
// TableStatistics is the string constant of infoschema table
TableStatistics = "STATISTICS"
// TableCharacterSets is the string constant of infoschema charactersets memory table
TableCharacterSets = "CHARACTER_SETS"
// TableCollations is the string constant of infoschema collations memory table.
TableCollations = "COLLATIONS"
tableFiles = "FILES"
// CatalogVal is the string constant of TABLE_CATALOG.
CatalogVal = "def"
// TableProfiling is the string constant of infoschema table.
TableProfiling = "PROFILING"
// TablePartitions is the string constant of infoschema table.
TablePartitions = "PARTITIONS"
// TableKeyColumn is the string constant of KEY_COLUMN_USAGE.
TableKeyColumn = "KEY_COLUMN_USAGE"
// TableReferConst is the string constant of REFERENTIAL_CONSTRAINTS.
TableReferConst = "REFERENTIAL_CONSTRAINTS"
// TableSessionVar is the string constant of SESSION_VARIABLES.
TableSessionVar = "SESSION_VARIABLES"
tablePlugins = "PLUGINS"
// TableConstraints is the string constant of TABLE_CONSTRAINTS.
TableConstraints = "TABLE_CONSTRAINTS"
tableTriggers = "TRIGGERS"
// TableUserPrivileges is the string constant of infoschema user privilege table.
TableUserPrivileges = "USER_PRIVILEGES"
tableSchemaPrivileges = "SCHEMA_PRIVILEGES"
tableTablePrivileges = "TABLE_PRIVILEGES"
tableColumnPrivileges = "COLUMN_PRIVILEGES"
// TableEngines is the string constant of infoschema table.
TableEngines = "ENGINES"
// TableViews is the string constant of infoschema table.
TableViews = "VIEWS"
tableRoutines = "ROUTINES"
tableParameters = "PARAMETERS"
tableEvents = "EVENTS"
tableGlobalStatus = "GLOBAL_STATUS"
tableGlobalVariables = "GLOBAL_VARIABLES"
tableSessionStatus = "SESSION_STATUS"
tableOptimizerTrace = "OPTIMIZER_TRACE"
tableTableSpaces = "TABLESPACES"
// TableCollationCharacterSetApplicability is the string constant of infoschema memory table.
TableCollationCharacterSetApplicability = "COLLATION_CHARACTER_SET_APPLICABILITY"
// TableProcesslist is the string constant of infoschema table.
TableProcesslist = "PROCESSLIST"
// TableTiDBIndexes is the string constant of infoschema table
TableTiDBIndexes = "TIDB_INDEXES"
// TableTiDBHotRegions is the string constant of infoschema table
TableTiDBHotRegions = "TIDB_HOT_REGIONS"
// TableTiDBHotRegionsHistory is the string constant of infoschema table
TableTiDBHotRegionsHistory = "TIDB_HOT_REGIONS_HISTORY"
// TableTiKVStoreStatus is the string constant of infoschema table
TableTiKVStoreStatus = "TIKV_STORE_STATUS"
// TableAnalyzeStatus is the string constant of Analyze Status
TableAnalyzeStatus = "ANALYZE_STATUS"
// TableTiKVRegionStatus is the string constant of infoschema table
TableTiKVRegionStatus = "TIKV_REGION_STATUS"
// TableTiKVRegionPeers is the string constant of infoschema table
TableTiKVRegionPeers = "TIKV_REGION_PEERS"
// TableTiDBServersInfo is the string constant of TiDB server information table.
TableTiDBServersInfo = "TIDB_SERVERS_INFO"
// TableSlowQuery is the string constant of slow query memory table.
TableSlowQuery = "SLOW_QUERY"
// TableClusterInfo is the string constant of cluster info memory table.
TableClusterInfo = "CLUSTER_INFO"
// TableClusterConfig is the string constant of cluster configuration memory table.
TableClusterConfig = "CLUSTER_CONFIG"
// TableClusterLog is the string constant of cluster log memory table.
TableClusterLog = "CLUSTER_LOG"
// TableClusterLoad is the string constant of cluster load memory table.
TableClusterLoad = "CLUSTER_LOAD"
// TableClusterHardware is the string constant of cluster hardware table.
TableClusterHardware = "CLUSTER_HARDWARE"
// TableClusterSystemInfo is the string constant of cluster system info table.
TableClusterSystemInfo = "CLUSTER_SYSTEMINFO"
// TableTiFlashReplica is the string constant of tiflash replica table.
TableTiFlashReplica = "TIFLASH_REPLICA"
// TableInspectionResult is the string constant of inspection result table.
TableInspectionResult = "INSPECTION_RESULT"
// TableMetricTables is a table that contains all metrics table definition.
TableMetricTables = "METRICS_TABLES"
// TableMetricSummary is a summary table that contains all metrics.
TableMetricSummary = "METRICS_SUMMARY"
// TableMetricSummaryByLabel is a metric table that contains all metrics that group by label info.
TableMetricSummaryByLabel = "METRICS_SUMMARY_BY_LABEL"
// TableInspectionSummary is the string constant of inspection summary table.
TableInspectionSummary = "INSPECTION_SUMMARY"
// TableInspectionRules is the string constant of currently implemented inspection and summary rules.
TableInspectionRules = "INSPECTION_RULES"
// TableDDLJobs is the string constant of DDL job table.
TableDDLJobs = "DDL_JOBS"
// TableSequences is the string constant of all sequences created by user.
TableSequences = "SEQUENCES"
// TableStatementsSummary is the string constant of statement summary table.
TableStatementsSummary = "STATEMENTS_SUMMARY"
// TableStatementsSummaryHistory is the string constant of statements summary history table.
TableStatementsSummaryHistory = "STATEMENTS_SUMMARY_HISTORY"
// TableStatementsSummaryEvicted is the string constant of statements summary evicted table.
TableStatementsSummaryEvicted = "STATEMENTS_SUMMARY_EVICTED"
// TableStorageStats is a table that contains all tables disk usage
TableStorageStats = "TABLE_STORAGE_STATS"
// TableTiFlashTables is the string constant of tiflash tables table.
TableTiFlashTables = "TIFLASH_TABLES"
// TableTiFlashSegments is the string constant of tiflash segments table.
TableTiFlashSegments = "TIFLASH_SEGMENTS"
// TableClientErrorsSummaryGlobal is the string constant of client errors table.
TableClientErrorsSummaryGlobal = "CLIENT_ERRORS_SUMMARY_GLOBAL"
// TableClientErrorsSummaryByUser is the string constant of client errors table.
TableClientErrorsSummaryByUser = "CLIENT_ERRORS_SUMMARY_BY_USER"
// TableClientErrorsSummaryByHost is the string constant of client errors table.
TableClientErrorsSummaryByHost = "CLIENT_ERRORS_SUMMARY_BY_HOST"
// TableTiDBTrx is current running transaction status table.
TableTiDBTrx = "TIDB_TRX"
// TableDeadlocks is the string constant of deadlock table.
TableDeadlocks = "DEADLOCKS"
// TableDataLockWaits is current lock waiting status table.
TableDataLockWaits = "DATA_LOCK_WAITS"
// TableAttributes is the string constant of attributes table.
TableAttributes = "ATTRIBUTES"
// TablePlacementPolicies is the string constant of placement policies table.
TablePlacementPolicies = "PLACEMENT_POLICIES"
// TableTrxSummary is the string constant of transaction summary table.
TableTrxSummary = "TRX_SUMMARY"
// TableVariablesInfo is the string constant of variables_info table.
TableVariablesInfo = "VARIABLES_INFO"
)
const (
// DataLockWaitsColumnKey is the name of the KEY column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnKey = "KEY"
// DataLockWaitsColumnKeyInfo is the name of the KEY_INFO column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnKeyInfo = "KEY_INFO"
// DataLockWaitsColumnTrxID is the name of the TRX_ID column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnTrxID = "TRX_ID"
// DataLockWaitsColumnCurrentHoldingTrxID is the name of the CURRENT_HOLDING_TRX_ID column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnCurrentHoldingTrxID = "CURRENT_HOLDING_TRX_ID"
// DataLockWaitsColumnSQLDigest is the name of the SQL_DIGEST column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnSQLDigest = "SQL_DIGEST"
// DataLockWaitsColumnSQLDigestText is the name of the SQL_DIGEST_TEXT column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnSQLDigestText = "SQL_DIGEST_TEXT"
)
var tableIDMap = map[string]int64{
TableSchemata: autoid.InformationSchemaDBID + 1,
TableTables: autoid.InformationSchemaDBID + 2,
TableColumns: autoid.InformationSchemaDBID + 3,
tableColumnStatistics: autoid.InformationSchemaDBID + 4,
TableStatistics: autoid.InformationSchemaDBID + 5,
TableCharacterSets: autoid.InformationSchemaDBID + 6,
TableCollations: autoid.InformationSchemaDBID + 7,
tableFiles: autoid.InformationSchemaDBID + 8,
CatalogVal: autoid.InformationSchemaDBID + 9,
TableProfiling: autoid.InformationSchemaDBID + 10,
TablePartitions: autoid.InformationSchemaDBID + 11,
TableKeyColumn: autoid.InformationSchemaDBID + 12,
TableReferConst: autoid.InformationSchemaDBID + 13,
TableSessionVar: autoid.InformationSchemaDBID + 14,
tablePlugins: autoid.InformationSchemaDBID + 15,
TableConstraints: autoid.InformationSchemaDBID + 16,
tableTriggers: autoid.InformationSchemaDBID + 17,
TableUserPrivileges: autoid.InformationSchemaDBID + 18,
tableSchemaPrivileges: autoid.InformationSchemaDBID + 19,
tableTablePrivileges: autoid.InformationSchemaDBID + 20,
tableColumnPrivileges: autoid.InformationSchemaDBID + 21,
TableEngines: autoid.InformationSchemaDBID + 22,
TableViews: autoid.InformationSchemaDBID + 23,
tableRoutines: autoid.InformationSchemaDBID + 24,
tableParameters: autoid.InformationSchemaDBID + 25,
tableEvents: autoid.InformationSchemaDBID + 26,
tableGlobalStatus: autoid.InformationSchemaDBID + 27,
tableGlobalVariables: autoid.InformationSchemaDBID + 28,
tableSessionStatus: autoid.InformationSchemaDBID + 29,
tableOptimizerTrace: autoid.InformationSchemaDBID + 30,
tableTableSpaces: autoid.InformationSchemaDBID + 31,
TableCollationCharacterSetApplicability: autoid.InformationSchemaDBID + 32,
TableProcesslist: autoid.InformationSchemaDBID + 33,
TableTiDBIndexes: autoid.InformationSchemaDBID + 34,
TableSlowQuery: autoid.InformationSchemaDBID + 35,
TableTiDBHotRegions: autoid.InformationSchemaDBID + 36,
TableTiKVStoreStatus: autoid.InformationSchemaDBID + 37,
TableAnalyzeStatus: autoid.InformationSchemaDBID + 38,
TableTiKVRegionStatus: autoid.InformationSchemaDBID + 39,
TableTiKVRegionPeers: autoid.InformationSchemaDBID + 40,
TableTiDBServersInfo: autoid.InformationSchemaDBID + 41,
TableClusterInfo: autoid.InformationSchemaDBID + 42,
TableClusterConfig: autoid.InformationSchemaDBID + 43,
TableClusterLoad: autoid.InformationSchemaDBID + 44,
TableTiFlashReplica: autoid.InformationSchemaDBID + 45,
ClusterTableSlowLog: autoid.InformationSchemaDBID + 46,
ClusterTableProcesslist: autoid.InformationSchemaDBID + 47,
TableClusterLog: autoid.InformationSchemaDBID + 48,
TableClusterHardware: autoid.InformationSchemaDBID + 49,
TableClusterSystemInfo: autoid.InformationSchemaDBID + 50,
TableInspectionResult: autoid.InformationSchemaDBID + 51,
TableMetricSummary: autoid.InformationSchemaDBID + 52,
TableMetricSummaryByLabel: autoid.InformationSchemaDBID + 53,
TableMetricTables: autoid.InformationSchemaDBID + 54,
TableInspectionSummary: autoid.InformationSchemaDBID + 55,
TableInspectionRules: autoid.InformationSchemaDBID + 56,
TableDDLJobs: autoid.InformationSchemaDBID + 57,
TableSequences: autoid.InformationSchemaDBID + 58,
TableStatementsSummary: autoid.InformationSchemaDBID + 59,
TableStatementsSummaryHistory: autoid.InformationSchemaDBID + 60,
ClusterTableStatementsSummary: autoid.InformationSchemaDBID + 61,
ClusterTableStatementsSummaryHistory: autoid.InformationSchemaDBID + 62,
TableStorageStats: autoid.InformationSchemaDBID + 63,
TableTiFlashTables: autoid.InformationSchemaDBID + 64,
TableTiFlashSegments: autoid.InformationSchemaDBID + 65,
// Removed, see https://github.com/pingcap/tidb/issues/28890
//TablePlacementPolicy: autoid.InformationSchemaDBID + 66,
TableClientErrorsSummaryGlobal: autoid.InformationSchemaDBID + 67,
TableClientErrorsSummaryByUser: autoid.InformationSchemaDBID + 68,
TableClientErrorsSummaryByHost: autoid.InformationSchemaDBID + 69,
TableTiDBTrx: autoid.InformationSchemaDBID + 70,
ClusterTableTiDBTrx: autoid.InformationSchemaDBID + 71,
TableDeadlocks: autoid.InformationSchemaDBID + 72,
ClusterTableDeadlocks: autoid.InformationSchemaDBID + 73,
TableDataLockWaits: autoid.InformationSchemaDBID + 74,
TableStatementsSummaryEvicted: autoid.InformationSchemaDBID + 75,
ClusterTableStatementsSummaryEvicted: autoid.InformationSchemaDBID + 76,
TableAttributes: autoid.InformationSchemaDBID + 77,
TableTiDBHotRegionsHistory: autoid.InformationSchemaDBID + 78,
TablePlacementPolicies: autoid.InformationSchemaDBID + 79,
TableTrxSummary: autoid.InformationSchemaDBID + 80,
ClusterTableTrxSummary: autoid.InformationSchemaDBID + 81,
TableVariablesInfo: autoid.InformationSchemaDBID + 82,
}
// columnInfo represents the basic column information of all kinds of INFORMATION_SCHEMA tables
type columnInfo struct {
// name of column
name string
// tp is column type
tp byte
// represent size of bytes of the column
size int
// represent decimal length of the column
decimal int
// flag represent NotNull, Unsigned, PriKey flags etc.
flag uint
// deflt is default value
deflt interface{}
// comment for the column
comment string
// enumElems represent all possible literal string values of an enum column
enumElems []string
}
func buildColumnInfo(col columnInfo) *model.ColumnInfo {
mCharset := charset.CharsetBin
mCollation := charset.CharsetBin
if col.tp == mysql.TypeVarchar || col.tp == mysql.TypeBlob || col.tp == mysql.TypeLongBlob || col.tp == mysql.TypeEnum {
mCharset = charset.CharsetUTF8MB4
mCollation = charset.CollationUTF8MB4
}
fieldType := types.FieldType{}
fieldType.SetType(col.tp)
fieldType.SetCharset(mCharset)
fieldType.SetCollate(mCollation)
fieldType.SetFlen(col.size)
fieldType.SetDecimal(col.decimal)
fieldType.SetFlag(col.flag)
fieldType.SetElems(col.enumElems)
return &model.ColumnInfo{
Name: model.NewCIStr(col.name),
FieldType: fieldType,
State: model.StatePublic,
DefaultValue: col.deflt,
Comment: col.comment,
}
}
func buildTableMeta(tableName string, cs []columnInfo) *model.TableInfo {
cols := make([]*model.ColumnInfo, 0, len(cs))
primaryIndices := make([]*model.IndexInfo, 0, 1)
tblInfo := &model.TableInfo{
Name: model.NewCIStr(tableName),
State: model.StatePublic,
Charset: mysql.DefaultCharset,
Collate: mysql.DefaultCollationName,
}
for offset, c := range cs {
if tblInfo.Name.O == ClusterTableSlowLog && mysql.HasPriKeyFlag(c.flag) {
switch c.tp {
case mysql.TypeLong, mysql.TypeLonglong,
mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24:
tblInfo.PKIsHandle = true
default:
tblInfo.IsCommonHandle = true
tblInfo.CommonHandleVersion = 1
index := &model.IndexInfo{
Name: model.NewCIStr("primary"),
State: model.StatePublic,
Primary: true,
Unique: true,
Columns: []*model.IndexColumn{
{Name: model.NewCIStr(c.name), Offset: offset, Length: types.UnspecifiedLength}},
}
primaryIndices = append(primaryIndices, index)
tblInfo.Indices = primaryIndices
}
}
cols = append(cols, buildColumnInfo(c))
}
for i, col := range cols {
col.Offset = i
}
tblInfo.Columns = cols
return tblInfo
}
var schemataCols = []columnInfo{
{name: "CATALOG_NAME", tp: mysql.TypeVarchar, size: 512},
{name: "SCHEMA_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DEFAULT_CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DEFAULT_COLLATION_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "SQL_PATH", tp: mysql.TypeVarchar, size: 512},
{name: "TIDB_PLACEMENT_POLICY_NAME", tp: mysql.TypeVarchar, size: 64},
}
var tablesCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64},
{name: "VERSION", tp: mysql.TypeLonglong, size: 21},
{name: "ROW_FORMAT", tp: mysql.TypeVarchar, size: 10},
{name: "TABLE_ROWS", tp: mysql.TypeLonglong, size: 21},
{name: "AVG_ROW_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "MAX_DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_FREE", tp: mysql.TypeLonglong, size: 21},
{name: "AUTO_INCREMENT", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "UPDATE_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "CHECK_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "TABLE_COLLATION", tp: mysql.TypeVarchar, size: 32, deflt: mysql.DefaultCollationName},
{name: "CHECKSUM", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_OPTIONS", tp: mysql.TypeVarchar, size: 255},
{name: "TABLE_COMMENT", tp: mysql.TypeVarchar, size: 2048},
{name: "TIDB_TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TIDB_ROW_ID_SHARDING_INFO", tp: mysql.TypeVarchar, size: 255},
{name: "TIDB_PK_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_PLACEMENT_POLICY_NAME", tp: mysql.TypeVarchar, size: 64},
}
// See: http://dev.mysql.com/doc/refman/5.7/en/information-schema-columns-table.html
var columnsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 64},
{name: "COLUMN_DEFAULT", tp: mysql.TypeBlob, size: 196606},
{name: "IS_NULLABLE", tp: mysql.TypeVarchar, size: 3},
{name: "DATA_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "CHARACTER_MAXIMUM_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "CHARACTER_OCTET_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "NUMERIC_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "NUMERIC_SCALE", tp: mysql.TypeLonglong, size: 21},
{name: "DATETIME_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "COLUMN_TYPE", tp: mysql.TypeBlob, size: 196606},
{name: "COLUMN_KEY", tp: mysql.TypeVarchar, size: 3},
{name: "EXTRA", tp: mysql.TypeVarchar, size: 30},
{name: "PRIVILEGES", tp: mysql.TypeVarchar, size: 80},
{name: "COLUMN_COMMENT", tp: mysql.TypeVarchar, size: 1024},
{name: "GENERATION_EXPRESSION", tp: mysql.TypeBlob, size: 589779, flag: mysql.NotNullFlag},
}
var columnStatisticsCols = []columnInfo{
{name: "SCHEMA_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "HISTOGRAM", tp: mysql.TypeJSON, size: 51},
}
var statisticsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NON_UNIQUE", tp: mysql.TypeVarchar, size: 1},
{name: "INDEX_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SEQ_IN_INDEX", tp: mysql.TypeLonglong, size: 2},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 21},
{name: "COLLATION", tp: mysql.TypeVarchar, size: 1},
{name: "CARDINALITY", tp: mysql.TypeLonglong, size: 21},
{name: "SUB_PART", tp: mysql.TypeLonglong, size: 3},
{name: "PACKED", tp: mysql.TypeVarchar, size: 10},
{name: "NULLABLE", tp: mysql.TypeVarchar, size: 3},
{name: "INDEX_TYPE", tp: mysql.TypeVarchar, size: 16},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 16},
{name: "INDEX_COMMENT", tp: mysql.TypeVarchar, size: 1024},
{name: "IS_VISIBLE", tp: mysql.TypeVarchar, size: 3},
{name: "Expression", tp: mysql.TypeVarchar, size: 64},
}
var profilingCols = []columnInfo{
{name: "QUERY_ID", tp: mysql.TypeLong, size: 20},
{name: "SEQ", tp: mysql.TypeLong, size: 20},
{name: "STATE", tp: mysql.TypeVarchar, size: 30},
{name: "DURATION", tp: mysql.TypeNewDecimal, size: 9},
{name: "CPU_USER", tp: mysql.TypeNewDecimal, size: 9},
{name: "CPU_SYSTEM", tp: mysql.TypeNewDecimal, size: 9},
{name: "CONTEXT_VOLUNTARY", tp: mysql.TypeLong, size: 20},
{name: "CONTEXT_INVOLUNTARY", tp: mysql.TypeLong, size: 20},
{name: "BLOCK_OPS_IN", tp: mysql.TypeLong, size: 20},
{name: "BLOCK_OPS_OUT", tp: mysql.TypeLong, size: 20},
{name: "MESSAGES_SENT", tp: mysql.TypeLong, size: 20},
{name: "MESSAGES_RECEIVED", tp: mysql.TypeLong, size: 20},
{name: "PAGE_FAULTS_MAJOR", tp: mysql.TypeLong, size: 20},
{name: "PAGE_FAULTS_MINOR", tp: mysql.TypeLong, size: 20},
{name: "SWAPS", tp: mysql.TypeLong, size: 20},
{name: "SOURCE_FUNCTION", tp: mysql.TypeVarchar, size: 30},
{name: "SOURCE_FILE", tp: mysql.TypeVarchar, size: 20},
{name: "SOURCE_LINE", tp: mysql.TypeLong, size: 20},
}
var charsetCols = []columnInfo{
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "DEFAULT_COLLATE_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "DESCRIPTION", tp: mysql.TypeVarchar, size: 60},
{name: "MAXLEN", tp: mysql.TypeLonglong, size: 3},
}
var collationsCols = []columnInfo{
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "ID", tp: mysql.TypeLonglong, size: 11},
{name: "IS_DEFAULT", tp: mysql.TypeVarchar, size: 3},
{name: "IS_COMPILED", tp: mysql.TypeVarchar, size: 3},
{name: "SORTLEN", tp: mysql.TypeLonglong, size: 3},
}
var keyColumnUsageCols = []columnInfo{
{name: "CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 10, flag: mysql.NotNullFlag},
{name: "POSITION_IN_UNIQUE_CONSTRAINT", tp: mysql.TypeLonglong, size: 10},
{name: "REFERENCED_TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "REFERENCED_TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "REFERENCED_COLUMN_NAME", tp: mysql.TypeVarchar, size: 64},
}
// See http://dev.mysql.com/doc/refman/5.7/en/information-schema-referential-constraints-table.html
var referConstCols = []columnInfo{
{name: "CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "UNIQUE_CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "UNIQUE_CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "UNIQUE_CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "MATCH_OPTION", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "UPDATE_RULE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "DELETE_RULE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "REFERENCED_TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
}
// See http://dev.mysql.com/doc/refman/5.7/en/information-schema-variables-table.html
var sessionVarCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
// See https://dev.mysql.com/doc/refman/5.7/en/information-schema-plugins-table.html
var pluginsCols = []columnInfo{
{name: "PLUGIN_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PLUGIN_VERSION", tp: mysql.TypeVarchar, size: 20},
{name: "PLUGIN_STATUS", tp: mysql.TypeVarchar, size: 10},
{name: "PLUGIN_TYPE", tp: mysql.TypeVarchar, size: 80},
{name: "PLUGIN_TYPE_VERSION", tp: mysql.TypeVarchar, size: 20},
{name: "PLUGIN_LIBRARY", tp: mysql.TypeVarchar, size: 64},
{name: "PLUGIN_LIBRARY_VERSION", tp: mysql.TypeVarchar, size: 20},
{name: "PLUGIN_AUTHOR", tp: mysql.TypeVarchar, size: 64},
{name: "PLUGIN_DESCRIPTION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "PLUGIN_LICENSE", tp: mysql.TypeVarchar, size: 80},
{name: "LOAD_OPTION", tp: mysql.TypeVarchar, size: 64},
}
// See https://dev.mysql.com/doc/refman/5.7/en/information-schema-partitions-table.html
var partitionsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PARTITION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SUBPARTITION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PARTITION_ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 21},
{name: "SUBPARTITION_ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 21},
{name: "PARTITION_METHOD", tp: mysql.TypeVarchar, size: 18},
{name: "SUBPARTITION_METHOD", tp: mysql.TypeVarchar, size: 12},
{name: "PARTITION_EXPRESSION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "SUBPARTITION_EXPRESSION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "PARTITION_DESCRIPTION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "TABLE_ROWS", tp: mysql.TypeLonglong, size: 21},
{name: "AVG_ROW_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "MAX_DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_FREE", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_TIME", tp: mysql.TypeDatetime},
{name: "UPDATE_TIME", tp: mysql.TypeDatetime},
{name: "CHECK_TIME", tp: mysql.TypeDatetime},
{name: "CHECKSUM", tp: mysql.TypeLonglong, size: 21},
{name: "PARTITION_COMMENT", tp: mysql.TypeVarchar, size: 80},
{name: "NODEGROUP", tp: mysql.TypeVarchar, size: 12},
{name: "TABLESPACE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_PARTITION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TIDB_PLACEMENT_POLICY_NAME", tp: mysql.TypeVarchar, size: 64},
}
var tableConstraintsCols = []columnInfo{
{name: "CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "CONSTRAINT_TYPE", tp: mysql.TypeVarchar, size: 64},
}
var tableTriggersCols = []columnInfo{
{name: "TRIGGER_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TRIGGER_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TRIGGER_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EVENT_MANIPULATION", tp: mysql.TypeVarchar, size: 6},
{name: "EVENT_OBJECT_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "EVENT_OBJECT_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "EVENT_OBJECT_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "ACTION_ORDER", tp: mysql.TypeLonglong, size: 4},
{name: "ACTION_CONDITION", tp: mysql.TypeBlob, size: -1},
{name: "ACTION_STATEMENT", tp: mysql.TypeBlob, size: -1},
{name: "ACTION_ORIENTATION", tp: mysql.TypeVarchar, size: 9},
{name: "ACTION_TIMING", tp: mysql.TypeVarchar, size: 6},
{name: "ACTION_REFERENCE_OLD_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "ACTION_REFERENCE_NEW_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "ACTION_REFERENCE_OLD_ROW", tp: mysql.TypeVarchar, size: 3},
{name: "ACTION_REFERENCE_NEW_ROW", tp: mysql.TypeVarchar, size: 3},
{name: "CREATED", tp: mysql.TypeDatetime, size: 2},
{name: "SQL_MODE", tp: mysql.TypeVarchar, size: 8192},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32},
{name: "DATABASE_COLLATION", tp: mysql.TypeVarchar, size: 32},
}
var tableUserPrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3},
}
var tableSchemaPrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
}
var tableTablePrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
}
var tableColumnPrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
}
var tableEnginesCols = []columnInfo{
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64},
{name: "SUPPORT", tp: mysql.TypeVarchar, size: 8},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 80},
{name: "TRANSACTIONS", tp: mysql.TypeVarchar, size: 3},
{name: "XA", tp: mysql.TypeVarchar, size: 3},
{name: "SAVEPOINTS", tp: mysql.TypeVarchar, size: 3},
}
var tableViewsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VIEW_DEFINITION", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag},
{name: "CHECK_OPTION", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "IS_UPDATABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77, flag: mysql.NotNullFlag},
{name: "SECURITY_TYPE", tp: mysql.TypeVarchar, size: 7, flag: mysql.NotNullFlag},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableRoutinesCols = []columnInfo{
{name: "SPECIFIC_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ROUTINE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "ROUTINE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ROUTINE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ROUTINE_TYPE", tp: mysql.TypeVarchar, size: 9, flag: mysql.NotNullFlag},
{name: "DATA_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CHARACTER_MAXIMUM_LENGTH", tp: mysql.TypeLong, size: 21},
{name: "CHARACTER_OCTET_LENGTH", tp: mysql.TypeLong, size: 21},
{name: "NUMERIC_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "NUMERIC_SCALE", tp: mysql.TypeLong, size: 21},
{name: "DATETIME_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DTD_IDENTIFIER", tp: mysql.TypeLongBlob},
{name: "ROUTINE_BODY", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "ROUTINE_DEFINITION", tp: mysql.TypeLongBlob},
{name: "EXTERNAL_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EXTERNAL_LANGUAGE", tp: mysql.TypeVarchar, size: 64},
{name: "PARAMETER_STYLE", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "IS_DETERMINISTIC", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
{name: "SQL_DATA_ACCESS", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "SQL_PATH", tp: mysql.TypeVarchar, size: 64},
{name: "SECURITY_TYPE", tp: mysql.TypeVarchar, size: 7, flag: mysql.NotNullFlag},
{name: "CREATED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "LAST_ALTERED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "SQL_MODE", tp: mysql.TypeVarchar, size: 8192, flag: mysql.NotNullFlag},
{name: "ROUTINE_COMMENT", tp: mysql.TypeLongBlob},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77, flag: mysql.NotNullFlag},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "DATABASE_COLLATION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableParametersCols = []columnInfo{
{name: "SPECIFIC_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "SPECIFIC_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "SPECIFIC_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ORDINAL_POSITION", tp: mysql.TypeVarchar, size: 21, flag: mysql.NotNullFlag},
{name: "PARAMETER_MODE", tp: mysql.TypeVarchar, size: 5},
{name: "PARAMETER_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DATA_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CHARACTER_MAXIMUM_LENGTH", tp: mysql.TypeVarchar, size: 21},
{name: "CHARACTER_OCTET_LENGTH", tp: mysql.TypeVarchar, size: 21},
{name: "NUMERIC_PRECISION", tp: mysql.TypeVarchar, size: 21},
{name: "NUMERIC_SCALE", tp: mysql.TypeVarchar, size: 21},
{name: "DATETIME_PRECISION", tp: mysql.TypeVarchar, size: 21},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DTD_IDENTIFIER", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag},
{name: "ROUTINE_TYPE", tp: mysql.TypeVarchar, size: 9, flag: mysql.NotNullFlag},
}
var tableEventsCols = []columnInfo{
{name: "EVENT_CATALOG", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "EVENT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "EVENT_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77, flag: mysql.NotNullFlag},
{name: "TIME_ZONE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "EVENT_BODY", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "EVENT_DEFINITION", tp: mysql.TypeLongBlob},
{name: "EVENT_TYPE", tp: mysql.TypeVarchar, size: 9, flag: mysql.NotNullFlag},
{name: "EXECUTE_AT", tp: mysql.TypeDatetime},
{name: "INTERVAL_VALUE", tp: mysql.TypeVarchar, size: 256},
{name: "INTERVAL_FIELD", tp: mysql.TypeVarchar, size: 18},
{name: "SQL_MODE", tp: mysql.TypeVarchar, size: 8192, flag: mysql.NotNullFlag},
{name: "STARTS", tp: mysql.TypeDatetime},
{name: "ENDS", tp: mysql.TypeDatetime},
{name: "STATUS", tp: mysql.TypeVarchar, size: 18, flag: mysql.NotNullFlag},
{name: "ON_COMPLETION", tp: mysql.TypeVarchar, size: 12, flag: mysql.NotNullFlag},
{name: "CREATED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "LAST_ALTERED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "LAST_EXECUTED", tp: mysql.TypeDatetime},
{name: "EVENT_COMMENT", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ORIGINATOR", tp: mysql.TypeLong, size: 10, flag: mysql.NotNullFlag, deflt: 0},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "DATABASE_COLLATION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableGlobalStatusCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
var tableGlobalVariablesCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
var tableSessionStatusCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
var tableOptimizerTraceCols = []columnInfo{
{name: "QUERY", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag, deflt: ""},
{name: "TRACE", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag, deflt: ""},
{name: "MISSING_BYTES_BEYOND_MAX_MEM_SIZE", tp: mysql.TypeShort, size: 20, flag: mysql.NotNullFlag, deflt: 0},
{name: "INSUFFICIENT_PRIVILEGES", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
}
var tableTableSpacesCols = []columnInfo{
{name: "TABLESPACE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
{name: "TABLESPACE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "LOGFILE_GROUP_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EXTENT_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "AUTOEXTEND_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "MAXIMUM_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "NODEGROUP_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TABLESPACE_COMMENT", tp: mysql.TypeVarchar, size: 2048},
}
var tableCollationCharacterSetApplicabilityCols = []columnInfo{
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableProcesslistCols = []columnInfo{
{name: "ID", tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag | mysql.UnsignedFlag, deflt: 0},
{name: "USER", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag, deflt: ""},
{name: "HOST", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
{name: "DB", tp: mysql.TypeVarchar, size: 64},
{name: "COMMAND", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag, deflt: ""},
{name: "TIME", tp: mysql.TypeLong, size: 7, flag: mysql.NotNullFlag, deflt: 0},
{name: "STATE", tp: mysql.TypeVarchar, size: 7},
{name: "INFO", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "DIGEST", tp: mysql.TypeVarchar, size: 64, deflt: ""},
{name: "MEM", tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag},
{name: "DISK", tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag},
{name: "TxnStart", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
}
var tableTiDBIndexesCols = []columnInfo{
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NON_UNIQUE", tp: mysql.TypeLonglong, size: 21},
{name: "KEY_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SEQ_IN_INDEX", tp: mysql.TypeLonglong, size: 21},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SUB_PART", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_COMMENT", tp: mysql.TypeVarchar, size: 1024},
{name: "Expression", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "IS_VISIBLE", tp: mysql.TypeVarchar, size: 64},
{name: "CLUSTERED", tp: mysql.TypeVarchar, size: 64},
}
var slowQueryCols = []columnInfo{
{name: variable.SlowLogTimeStr, tp: mysql.TypeTimestamp, size: 26, decimal: 6, flag: mysql.PriKeyFlag | mysql.NotNullFlag | mysql.BinaryFlag},
{name: variable.SlowLogTxnStartTSStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogUserStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogHostStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogConnIDStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogExecRetryCount, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogExecRetryTime, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogQueryTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogParseTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCompileTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogRewriteTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogPreprocSubQueriesStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogPreProcSubQueryTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogOptimizeTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogWaitTSTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.PreWriteTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.WaitPrewriteBinlogTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.CommitTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.GetCommitTSTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.CommitBackoffTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.BackoffTypesStr, tp: mysql.TypeVarchar, size: 64},
{name: execdetails.ResolveLockTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.LocalLatchWaitTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.WriteKeysStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.WriteSizeStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.PrewriteRegionStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.TxnRetryStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.CopTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.ProcessTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.WaitTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.BackoffTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.LockKeysTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.RequestCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.TotalKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.ProcessKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbDeleteSkippedCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbKeySkippedCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbBlockCacheHitCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbBlockReadCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbBlockReadByteStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogDBStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogIndexNamesStr, tp: mysql.TypeVarchar, size: 100},
{name: variable.SlowLogIsInternalStr, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogDigestStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogStatsInfoStr, tp: mysql.TypeVarchar, size: 512},
{name: variable.SlowLogCopProcAvg, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopProcP90, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopProcMax, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopProcAddr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogCopWaitAvg, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopWaitP90, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopWaitMax, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopWaitAddr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogMemMax, tp: mysql.TypeLonglong, size: 20},
{name: variable.SlowLogDiskMax, tp: mysql.TypeLonglong, size: 20},
{name: variable.SlowLogKVTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogPDTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogBackoffTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogWriteSQLRespTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogResultRows, tp: mysql.TypeLonglong, size: 22},
{name: variable.SlowLogBackoffDetail, tp: mysql.TypeVarchar, size: 4096},
{name: variable.SlowLogPrepared, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogSucc, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogIsExplicitTxn, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogIsWriteCacheTable, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogPlanFromCache, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogPlanFromBinding, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogHasMoreResults, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogPlan, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: variable.SlowLogPlanDigest, tp: mysql.TypeVarchar, size: 128},
{name: variable.SlowLogBinaryPlan, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: variable.SlowLogPrevStmt, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: variable.SlowLogQuerySQLStr, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
}
// TableTiDBHotRegionsCols is TiDB hot region mem table columns.
var TableTiDBHotRegionsCols = []columnInfo{
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "MAX_HOT_DEGREE", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "FLOW_BYTES", tp: mysql.TypeLonglong, size: 21},
}
// TableTiDBHotRegionsHistoryCols is TiDB hot region history mem table columns.
var TableTiDBHotRegionsHistoryCols = []columnInfo{
{name: "UPDATE_TIME", tp: mysql.TypeTimestamp, size: 26, decimal: 6},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "STORE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "PEER_ID", tp: mysql.TypeLonglong, size: 21},
{name: "IS_LEARNER", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "IS_LEADER", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "HOT_DEGREE", tp: mysql.TypeLonglong, size: 21},
{name: "FLOW_BYTES", tp: mysql.TypeDouble, size: 22},
{name: "KEY_RATE", tp: mysql.TypeDouble, size: 22},
{name: "QUERY_RATE", tp: mysql.TypeDouble, size: 22},
}
// GetTableTiDBHotRegionsHistoryCols is to get TableTiDBHotRegionsHistoryCols.
// It is an optimization because Go does’t support const arrays. The solution is to use initialization functions.
// It is useful in the BCE optimization.
// https://go101.org/article/bounds-check-elimination.html
func GetTableTiDBHotRegionsHistoryCols() []columnInfo {
return TableTiDBHotRegionsHistoryCols
}
// TableTiKVStoreStatusCols is TiDB kv store status columns.
var TableTiKVStoreStatusCols = []columnInfo{
{name: "STORE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "ADDRESS", tp: mysql.TypeVarchar, size: 64},
{name: "STORE_STATE", tp: mysql.TypeLonglong, size: 21},
{name: "STORE_STATE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "LABEL", tp: mysql.TypeJSON, size: 51},
{name: "VERSION", tp: mysql.TypeVarchar, size: 64},
{name: "CAPACITY", tp: mysql.TypeVarchar, size: 64},
{name: "AVAILABLE", tp: mysql.TypeVarchar, size: 64},
{name: "LEADER_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "LEADER_WEIGHT", tp: mysql.TypeDouble, size: 22},
{name: "LEADER_SCORE", tp: mysql.TypeDouble, size: 22},
{name: "LEADER_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_WEIGHT", tp: mysql.TypeDouble, size: 22},
{name: "REGION_SCORE", tp: mysql.TypeDouble, size: 22},
{name: "REGION_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "START_TS", tp: mysql.TypeDatetime},
{name: "LAST_HEARTBEAT_TS", tp: mysql.TypeDatetime},
{name: "UPTIME", tp: mysql.TypeVarchar, size: 64},
}
var tableAnalyzeStatusCols = []columnInfo{
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PARTITION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "JOB_INFO", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "PROCESSED_ROWS", tp: mysql.TypeLonglong, size: 64, flag: mysql.UnsignedFlag},
{name: "START_TIME", tp: mysql.TypeDatetime},
{name: "END_TIME", tp: mysql.TypeDatetime},
{name: "STATE", tp: mysql.TypeVarchar, size: 64},
{name: "FAIL_REASON", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 512},
{name: "PROCESS_ID", tp: mysql.TypeLonglong, size: 64, flag: mysql.UnsignedFlag},
}
// TableTiKVRegionStatusCols is TiKV region status mem table columns.
var TableTiKVRegionStatusCols = []columnInfo{
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "START_KEY", tp: mysql.TypeBlob, size: types.UnspecifiedLength},
{name: "END_KEY", tp: mysql.TypeBlob, size: types.UnspecifiedLength},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "IS_INDEX", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EPOCH_CONF_VER", tp: mysql.TypeLonglong, size: 21},
{name: "EPOCH_VERSION", tp: mysql.TypeLonglong, size: 21},
{name: "WRITTEN_BYTES", tp: mysql.TypeLonglong, size: 21},
{name: "READ_BYTES", tp: mysql.TypeLonglong, size: 21},
{name: "APPROXIMATE_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "APPROXIMATE_KEYS", tp: mysql.TypeLonglong, size: 21},
{name: "REPLICATIONSTATUS_STATE", tp: mysql.TypeVarchar, size: 64},
{name: "REPLICATIONSTATUS_STATEID", tp: mysql.TypeLonglong, size: 21},
}
// TableTiKVRegionPeersCols is TiKV region peers mem table columns.
var TableTiKVRegionPeersCols = []columnInfo{
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "PEER_ID", tp: mysql.TypeLonglong, size: 21},
{name: "STORE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "IS_LEARNER", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "IS_LEADER", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "STATUS", tp: mysql.TypeVarchar, size: 10, deflt: 0},
{name: "DOWN_SECONDS", tp: mysql.TypeLonglong, size: 21, deflt: 0},
}
// GetTableTiKVRegionPeersCols is to get TableTiKVRegionPeersCols.
// It is an optimization because Go does’t support const arrays. The solution is to use initialization functions.
// It is useful in the BCE optimization.
// https://go101.org/article/bounds-check-elimination.html
func GetTableTiKVRegionPeersCols() []columnInfo {
return TableTiKVRegionPeersCols
}
var tableTiDBServersInfoCols = []columnInfo{
{name: "DDL_ID", tp: mysql.TypeVarchar, size: 64},
{name: "IP", tp: mysql.TypeVarchar, size: 64},
{name: "PORT", tp: mysql.TypeLonglong, size: 21},
{name: "STATUS_PORT", tp: mysql.TypeLonglong, size: 21},
{name: "LEASE", tp: mysql.TypeVarchar, size: 64},
{name: "VERSION", tp: mysql.TypeVarchar, size: 64},
{name: "GIT_HASH", tp: mysql.TypeVarchar, size: 64},
{name: "BINLOG_STATUS", tp: mysql.TypeVarchar, size: 64},
{name: "LABELS", tp: mysql.TypeVarchar, size: 128},
}
var tableClusterConfigCols = []columnInfo{
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "KEY", tp: mysql.TypeVarchar, size: 256},
{name: "VALUE", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
}
var tableClusterLogCols = []columnInfo{
{name: "TIME", tp: mysql.TypeVarchar, size: 32},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "LEVEL", tp: mysql.TypeVarchar, size: 8},
{name: "MESSAGE", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
}
var tableClusterLoadCols = []columnInfo{
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "DEVICE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "DEVICE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NAME", tp: mysql.TypeVarchar, size: 256},
{name: "VALUE", tp: mysql.TypeVarchar, size: 128},
}
var tableClusterHardwareCols = []columnInfo{
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "DEVICE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "DEVICE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NAME", tp: mysql.TypeVarchar, size: 256},
{name: "VALUE", tp: mysql.TypeVarchar, size: 128},
}
var tableClusterSystemInfoCols = []columnInfo{
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "SYSTEM_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "SYSTEM_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NAME", tp: mysql.TypeVarchar, size: 256},
{name: "VALUE", tp: mysql.TypeVarchar, size: 128},
}
var filesCols = []columnInfo{
{name: "FILE_ID", tp: mysql.TypeLonglong, size: 4},
{name: "FILE_NAME", tp: mysql.TypeVarchar, size: 4000},
{name: "FILE_TYPE", tp: mysql.TypeVarchar, size: 20},
{name: "TABLESPACE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "LOGFILE_GROUP_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "LOGFILE_GROUP_NUMBER", tp: mysql.TypeLonglong, size: 32},
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64},
{name: "FULLTEXT_KEYS", tp: mysql.TypeVarchar, size: 64},
{name: "DELETED_ROWS", tp: mysql.TypeLonglong, size: 4},
{name: "UPDATE_COUNT", tp: mysql.TypeLonglong, size: 4},
{name: "FREE_EXTENTS", tp: mysql.TypeLonglong, size: 4},
{name: "TOTAL_EXTENTS", tp: mysql.TypeLonglong, size: 4},
{name: "EXTENT_SIZE", tp: mysql.TypeLonglong, size: 4},
{name: "INITIAL_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "MAXIMUM_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "AUTOEXTEND_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "CREATION_TIME", tp: mysql.TypeDatetime, size: -1},
{name: "LAST_UPDATE_TIME", tp: mysql.TypeDatetime, size: -1},
{name: "LAST_ACCESS_TIME", tp: mysql.TypeDatetime, size: -1},
{name: "RECOVER_TIME", tp: mysql.TypeLonglong, size: 4},
{name: "TRANSACTION_COUNTER", tp: mysql.TypeLonglong, size: 4},
{name: "VERSION", tp: mysql.TypeLonglong, size: 21},
{name: "ROW_FORMAT", tp: mysql.TypeVarchar, size: 10},
{name: "TABLE_ROWS", tp: mysql.TypeLonglong, size: 21},
{name: "AVG_ROW_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "MAX_DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_FREE", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_TIME", tp: mysql.TypeDatetime, size: -1},
{name: "UPDATE_TIME", tp: mysql.TypeDatetime, size: -1},
{name: "CHECK_TIME", tp: mysql.TypeDatetime, size: -1},
{name: "CHECKSUM", tp: mysql.TypeLonglong, size: 21},
{name: "STATUS", tp: mysql.TypeVarchar, size: 20},
{name: "EXTRA", tp: mysql.TypeVarchar, size: 255},
}
var tableClusterInfoCols = []columnInfo{
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "STATUS_ADDRESS", tp: mysql.TypeVarchar, size: 64},
{name: "VERSION", tp: mysql.TypeVarchar, size: 64},
{name: "GIT_HASH", tp: mysql.TypeVarchar, size: 64},
{name: "START_TIME", tp: mysql.TypeVarchar, size: 32},
{name: "UPTIME", tp: mysql.TypeVarchar, size: 32},
{name: "SERVER_ID", tp: mysql.TypeLonglong, size: 21, comment: "invalid if the configuration item `enable-global-kill` is set to FALSE"},
}
var tableTableTiFlashReplicaCols = []columnInfo{
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "REPLICA_COUNT", tp: mysql.TypeLonglong, size: 64},
{name: "LOCATION_LABELS", tp: mysql.TypeVarchar, size: 64},
{name: "AVAILABLE", tp: mysql.TypeTiny, size: 1},
{name: "PROGRESS", tp: mysql.TypeDouble, size: 22},
}
var tableInspectionResultCols = []columnInfo{
{name: "RULE", tp: mysql.TypeVarchar, size: 64},
{name: "ITEM", tp: mysql.TypeVarchar, size: 64},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "STATUS_ADDRESS", tp: mysql.TypeVarchar, size: 64},
{name: "VALUE", tp: mysql.TypeVarchar, size: 64},
{name: "REFERENCE", tp: mysql.TypeVarchar, size: 64},
{name: "SEVERITY", tp: mysql.TypeVarchar, size: 64},
{name: "DETAILS", tp: mysql.TypeVarchar, size: 256},
}
var tableInspectionSummaryCols = []columnInfo{
{name: "RULE", tp: mysql.TypeVarchar, size: 64},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "METRICS_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "LABEL", tp: mysql.TypeVarchar, size: 64},
{name: "QUANTILE", tp: mysql.TypeDouble, size: 22},
{name: "AVG_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "MIN_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "MAX_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 256},
}
var tableInspectionRulesCols = []columnInfo{
{name: "NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 256},
}
var tableMetricTablesCols = []columnInfo{
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PROMQL", tp: mysql.TypeVarchar, size: 64},
{name: "LABELS", tp: mysql.TypeVarchar, size: 64},
{name: "QUANTILE", tp: mysql.TypeDouble, size: 22},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 256},
}
var tableMetricSummaryCols = []columnInfo{
{name: "METRICS_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "QUANTILE", tp: mysql.TypeDouble, size: 22},
{name: "SUM_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "AVG_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "MIN_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "MAX_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 256},
}
var tableMetricSummaryByLabelCols = []columnInfo{
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 64},
{name: "METRICS_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "LABEL", tp: mysql.TypeVarchar, size: 64},
{name: "QUANTILE", tp: mysql.TypeDouble, size: 22},
{name: "SUM_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "AVG_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "MIN_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "MAX_VALUE", tp: mysql.TypeDouble, size: 22, decimal: 6},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 256},
}
var tableDDLJobsCols = []columnInfo{
{name: "JOB_ID", tp: mysql.TypeLonglong, size: 21},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "JOB_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "SCHEMA_STATE", tp: mysql.TypeVarchar, size: 64},
{name: "SCHEMA_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "ROW_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "START_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "END_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "STATE", tp: mysql.TypeVarchar, size: 64},
{name: "QUERY", tp: mysql.TypeVarchar, size: 64},
}
var tableSequencesCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "SEQUENCE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "SEQUENCE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CACHE", tp: mysql.TypeTiny, flag: mysql.NotNullFlag},
{name: "CACHE_VALUE", tp: mysql.TypeLonglong, size: 21},
{name: "CYCLE", tp: mysql.TypeTiny, flag: mysql.NotNullFlag},
{name: "INCREMENT", tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag},
{name: "MAX_VALUE", tp: mysql.TypeLonglong, size: 21},
{name: "MIN_VALUE", tp: mysql.TypeLonglong, size: 21},
{name: "START", tp: mysql.TypeLonglong, size: 21},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 64},
}
var tableStatementsSummaryCols = []columnInfo{
{name: stmtsummary.SummaryBeginTimeStr, tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "Begin time of this summary"},
{name: stmtsummary.SummaryEndTimeStr, tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "End time of this summary"},
{name: stmtsummary.StmtTypeStr, tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, comment: "Statement type"},
{name: stmtsummary.SchemaNameStr, tp: mysql.TypeVarchar, size: 64, comment: "Current schema"},
{name: stmtsummary.DigestStr, tp: mysql.TypeVarchar, size: 64},
{name: stmtsummary.DigestTextStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, flag: mysql.NotNullFlag, comment: "Normalized statement"},
{name: stmtsummary.TableNamesStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Involved tables"},
{name: stmtsummary.IndexNamesStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Used indices"},
{name: stmtsummary.SampleUserStr, tp: mysql.TypeVarchar, size: 64, comment: "Sampled user who executed these statements"},
{name: stmtsummary.ExecCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Count of executions"},
{name: stmtsummary.SumErrorsStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Sum of errors"},
{name: stmtsummary.SumWarningsStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Sum of warnings"},
{name: stmtsummary.SumLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Sum latency of these statements"},
{name: stmtsummary.MaxLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max latency of these statements"},
{name: stmtsummary.MinLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Min latency of these statements"},
{name: stmtsummary.AvgLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average latency of these statements"},
{name: stmtsummary.AvgParseLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average latency of parsing"},
{name: stmtsummary.MaxParseLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max latency of parsing"},
{name: stmtsummary.AvgCompileLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average latency of compiling"},
{name: stmtsummary.MaxCompileLatencyStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max latency of compiling"},
{name: stmtsummary.SumCopTaskNumStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Total number of CopTasks"},
{name: stmtsummary.MaxCopProcessTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max processing time of CopTasks"},
{name: stmtsummary.MaxCopProcessAddressStr, tp: mysql.TypeVarchar, size: 256, comment: "Address of the CopTask with max processing time"},
{name: stmtsummary.MaxCopWaitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max waiting time of CopTasks"},
{name: stmtsummary.MaxCopWaitAddressStr, tp: mysql.TypeVarchar, size: 256, comment: "Address of the CopTask with max waiting time"},
{name: stmtsummary.AvgProcessTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average processing time in TiKV"},
{name: stmtsummary.MaxProcessTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max processing time in TiKV"},
{name: stmtsummary.AvgWaitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average waiting time in TiKV"},
{name: stmtsummary.MaxWaitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max waiting time in TiKV"},
{name: stmtsummary.AvgBackoffTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average waiting time before retry"},
{name: stmtsummary.MaxBackoffTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max waiting time before retry"},
{name: stmtsummary.AvgTotalKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of scanned keys"},
{name: stmtsummary.MaxTotalKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of scanned keys"},
{name: stmtsummary.AvgProcessedKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of processed keys"},
{name: stmtsummary.MaxProcessedKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of processed keys"},
{name: stmtsummary.AvgRocksdbDeleteSkippedCountStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb delete skipped count"},
{name: stmtsummary.MaxRocksdbDeleteSkippedCountStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb delete skipped count"},
{name: stmtsummary.AvgRocksdbKeySkippedCountStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb key skipped count"},
{name: stmtsummary.MaxRocksdbKeySkippedCountStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb key skipped count"},
{name: stmtsummary.AvgRocksdbBlockCacheHitCountStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb block cache hit count"},
{name: stmtsummary.MaxRocksdbBlockCacheHitCountStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb block cache hit count"},
{name: stmtsummary.AvgRocksdbBlockReadCountStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb block read count"},
{name: stmtsummary.MaxRocksdbBlockReadCountStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb block read count"},
{name: stmtsummary.AvgRocksdbBlockReadByteStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb block read byte"},
{name: stmtsummary.MaxRocksdbBlockReadByteStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb block read byte"},
{name: stmtsummary.AvgPrewriteTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of prewrite phase"},
{name: stmtsummary.MaxPrewriteTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max time of prewrite phase"},
{name: stmtsummary.AvgCommitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of commit phase"},
{name: stmtsummary.MaxCommitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max time of commit phase"},
{name: stmtsummary.AvgGetCommitTsTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of getting commit_ts"},
{name: stmtsummary.MaxGetCommitTsTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max time of getting commit_ts"},
{name: stmtsummary.AvgCommitBackoffTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time before retry during commit phase"},
{name: stmtsummary.MaxCommitBackoffTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max time before retry during commit phase"},
{name: stmtsummary.AvgResolveLockTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time for resolving locks"},
{name: stmtsummary.MaxResolveLockTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max time for resolving locks"},
{name: stmtsummary.AvgLocalLatchWaitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average waiting time of local transaction"},
{name: stmtsummary.MaxLocalLatchWaitTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max waiting time of local transaction"},
{name: stmtsummary.AvgWriteKeysStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average count of written keys"},
{name: stmtsummary.MaxWriteKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max count of written keys"},
{name: stmtsummary.AvgWriteSizeStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average amount of written bytes"},
{name: stmtsummary.MaxWriteSizeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max amount of written bytes"},
{name: stmtsummary.AvgPrewriteRegionsStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of involved regions in prewrite phase"},
{name: stmtsummary.MaxPrewriteRegionsStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of involved regions in prewrite phase"},
{name: stmtsummary.AvgTxnRetryStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of transaction retries"},
{name: stmtsummary.MaxTxnRetryStr, tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of transaction retries"},
{name: stmtsummary.SumExecRetryStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Sum number of execution retries in pessimistic transactions"},
{name: stmtsummary.SumExecRetryTimeStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Sum time of execution retries in pessimistic transactions"},
{name: stmtsummary.SumBackoffTimesStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Sum of retries"},
{name: stmtsummary.BackoffTypesStr, tp: mysql.TypeVarchar, size: 1024, comment: "Types of errors and the number of retries for each type"},
{name: stmtsummary.AvgMemStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average memory(byte) used"},
{name: stmtsummary.MaxMemStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max memory(byte) used"},
{name: stmtsummary.AvgDiskStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average disk space(byte) used"},
{name: stmtsummary.MaxDiskStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max disk space(byte) used"},
{name: stmtsummary.AvgKvTimeStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of TiKV used"},
{name: stmtsummary.AvgPdTimeStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of PD used"},
{name: stmtsummary.AvgBackoffTotalTimeStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of Backoff used"},
{name: stmtsummary.AvgWriteSQLRespTimeStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of write sql resp used"},
{name: stmtsummary.MaxResultRowsStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag, comment: "Max count of sql result rows"},
{name: stmtsummary.MinResultRowsStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag, comment: "Min count of sql result rows"},
{name: stmtsummary.AvgResultRowsStr, tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag, comment: "Average count of sql result rows"},
{name: stmtsummary.PreparedStr, tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether prepared"},
{name: stmtsummary.AvgAffectedRowsStr, tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rows affected"},
{name: stmtsummary.FirstSeenStr, tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "The time these statements are seen for the first time"},
{name: stmtsummary.LastSeenStr, tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "The time these statements are seen for the last time"},
{name: stmtsummary.PlanInCacheStr, tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether the last statement hit plan cache"},
{name: stmtsummary.PlanCacheHitsStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag, comment: "The number of times these statements hit plan cache"},
{name: stmtsummary.PlanInBindingStr, tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether the last statement is matched with the hints in the binding"},
{name: stmtsummary.QuerySampleTextStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Sampled original statement"},
{name: stmtsummary.PrevSampleTextStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "The previous statement before commit"},
{name: stmtsummary.PlanDigestStr, tp: mysql.TypeVarchar, size: 64, comment: "Digest of its execution plan"},
{name: stmtsummary.PlanStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Sampled execution plan"},
{name: stmtsummary.BinaryPlan, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Sampled binary plan"},
}
var tableStorageStatsCols = []columnInfo{
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "PEER_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_COUNT", tp: mysql.TypeLonglong, size: 21, comment: "The region count of single replica of the table"},
{name: "EMPTY_REGION_COUNT", tp: mysql.TypeLonglong, size: 21, comment: "The region count of single replica of the table"},
{name: "TABLE_SIZE", tp: mysql.TypeLonglong, size: 64, comment: "The disk usage(MB) of single replica of the table, if the table size is empty or less than 1MB, it would show 1MB "},
{name: "TABLE_KEYS", tp: mysql.TypeLonglong, size: 64, comment: "The count of keys of single replica of the table"},
}
var tableTableTiFlashTablesCols = []columnInfo{
{name: "DATABASE", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_DATABASE", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 64},
{name: "IS_TOMBSTONE", tp: mysql.TypeLonglong, size: 64},
{name: "SEGMENT_COUNT", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_ROWS", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_DELETE_RANGES", tp: mysql.TypeLonglong, size: 64},
{name: "DELTA_RATE_ROWS", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_RATE_SEGMENTS", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_PLACED_RATE", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_CACHE_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "DELTA_CACHE_RATE", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_CACHE_WASTED_RATE", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_INDEX_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "AVG_SEGMENT_ROWS", tp: mysql.TypeDouble, size: 64},
{name: "AVG_SEGMENT_SIZE", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_COUNT", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_DELTA_ROWS", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_DELTA_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "AVG_DELTA_ROWS", tp: mysql.TypeDouble, size: 64},
{name: "AVG_DELTA_SIZE", tp: mysql.TypeDouble, size: 64},
{name: "AVG_DELTA_DELETE_RANGES", tp: mysql.TypeDouble, size: 64},
{name: "STABLE_COUNT", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_STABLE_ROWS", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_STABLE_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "TOTAL_STABLE_SIZE_ON_DISK", tp: mysql.TypeLonglong, size: 64},
{name: "AVG_STABLE_ROWS", tp: mysql.TypeDouble, size: 64},
{name: "AVG_STABLE_SIZE", tp: mysql.TypeDouble, size: 64},
{name: "TOTAL_PACK_COUNT_IN_DELTA", tp: mysql.TypeLonglong, size: 64},
{name: "AVG_PACK_COUNT_IN_DELTA", tp: mysql.TypeDouble, size: 64},
{name: "AVG_PACK_ROWS_IN_DELTA", tp: mysql.TypeDouble, size: 64},
{name: "AVG_PACK_SIZE_IN_DELTA", tp: mysql.TypeDouble, size: 64},
{name: "TOTAL_PACK_COUNT_IN_STABLE", tp: mysql.TypeLonglong, size: 64},
{name: "AVG_PACK_COUNT_IN_STABLE", tp: mysql.TypeDouble, size: 64},
{name: "AVG_PACK_ROWS_IN_STABLE", tp: mysql.TypeDouble, size: 64},
{name: "AVG_PACK_SIZE_IN_STABLE", tp: mysql.TypeDouble, size: 64},
{name: "STORAGE_STABLE_NUM_SNAPSHOTS", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_STABLE_OLDEST_SNAPSHOT_LIFETIME", tp: mysql.TypeDouble, size: 64},
{name: "STORAGE_STABLE_OLDEST_SNAPSHOT_THREAD_ID", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_STABLE_NUM_PAGES", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_STABLE_NUM_NORMAL_PAGES", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_STABLE_MAX_PAGE_ID", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_DELTA_NUM_SNAPSHOTS", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_DELTA_OLDEST_SNAPSHOT_LIFETIME", tp: mysql.TypeDouble, size: 64},
{name: "STORAGE_DELTA_OLDEST_SNAPSHOT_THREAD_ID", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_DELTA_NUM_PAGES", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_DELTA_NUM_NORMAL_PAGES", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_DELTA_MAX_PAGE_ID", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_META_NUM_SNAPSHOTS", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_META_OLDEST_SNAPSHOT_LIFETIME", tp: mysql.TypeDouble, size: 64},
{name: "STORAGE_META_OLDEST_SNAPSHOT_THREAD_ID", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_META_NUM_PAGES", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_META_NUM_NORMAL_PAGES", tp: mysql.TypeLonglong, size: 64},
{name: "STORAGE_META_MAX_PAGE_ID", tp: mysql.TypeLonglong, size: 64},
{name: "BACKGROUND_TASKS_LENGTH", tp: mysql.TypeLonglong, size: 64},
{name: "TIFLASH_INSTANCE", tp: mysql.TypeVarchar, size: 64},
}
var tableTableTiFlashSegmentsCols = []columnInfo{
{name: "DATABASE", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_DATABASE", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 64},
{name: "IS_TOMBSTONE", tp: mysql.TypeLonglong, size: 64},
{name: "SEGMENT_ID", tp: mysql.TypeLonglong, size: 64},
{name: "RANGE", tp: mysql.TypeVarchar, size: 64},
{name: "ROWS", tp: mysql.TypeLonglong, size: 64},
{name: "SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "DELETE_RANGES", tp: mysql.TypeLonglong, size: 64},
{name: "STABLE_SIZE_ON_DISK", tp: mysql.TypeLonglong, size: 64},
{name: "DELTA_PACK_COUNT", tp: mysql.TypeLonglong, size: 64},
{name: "STABLE_PACK_COUNT", tp: mysql.TypeLonglong, size: 64},
{name: "AVG_DELTA_PACK_ROWS", tp: mysql.TypeDouble, size: 64},
{name: "AVG_STABLE_PACK_ROWS", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_RATE", tp: mysql.TypeDouble, size: 64},
{name: "DELTA_CACHE_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "DELTA_INDEX_SIZE", tp: mysql.TypeLonglong, size: 64},
{name: "TIFLASH_INSTANCE", tp: mysql.TypeVarchar, size: 64},
}
var tableClientErrorsSummaryGlobalCols = []columnInfo{
{name: "ERROR_NUMBER", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "ERROR_MESSAGE", tp: mysql.TypeVarchar, size: 1024, flag: mysql.NotNullFlag},
{name: "ERROR_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "WARNING_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "FIRST_SEEN", tp: mysql.TypeTimestamp, size: 26},
{name: "LAST_SEEN", tp: mysql.TypeTimestamp, size: 26},
}
var tableClientErrorsSummaryByUserCols = []columnInfo{
{name: "USER", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ERROR_NUMBER", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "ERROR_MESSAGE", tp: mysql.TypeVarchar, size: 1024, flag: mysql.NotNullFlag},
{name: "ERROR_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "WARNING_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "FIRST_SEEN", tp: mysql.TypeTimestamp, size: 26},
{name: "LAST_SEEN", tp: mysql.TypeTimestamp, size: 26},
}
var tableClientErrorsSummaryByHostCols = []columnInfo{
{name: "HOST", tp: mysql.TypeVarchar, size: 255, flag: mysql.NotNullFlag},
{name: "ERROR_NUMBER", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "ERROR_MESSAGE", tp: mysql.TypeVarchar, size: 1024, flag: mysql.NotNullFlag},
{name: "ERROR_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "WARNING_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "FIRST_SEEN", tp: mysql.TypeTimestamp, size: 26},
{name: "LAST_SEEN", tp: mysql.TypeTimestamp, size: 26},
}
var tableTiDBTrxCols = []columnInfo{
{name: txninfo.IDStr, tp: mysql.TypeLonglong, size: 21, flag: mysql.PriKeyFlag | mysql.NotNullFlag | mysql.UnsignedFlag},
{name: txninfo.StartTimeStr, tp: mysql.TypeTimestamp, decimal: 6, size: 26, comment: "Start time of the transaction"},
{name: txninfo.CurrentSQLDigestStr, tp: mysql.TypeVarchar, size: 64, comment: "Digest of the sql the transaction are currently running"},
{name: txninfo.CurrentSQLDigestTextStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "The normalized sql the transaction are currently running"},
{name: txninfo.StateStr, tp: mysql.TypeEnum, enumElems: txninfo.TxnRunningStateStrs, comment: "Current running state of the transaction"},
{name: txninfo.WaitingStartTimeStr, tp: mysql.TypeTimestamp, decimal: 6, size: 26, comment: "Current lock waiting's start time"},
{name: txninfo.MemBufferKeysStr, tp: mysql.TypeLonglong, size: 64, comment: "How many entries are in MemDB"},
{name: txninfo.MemBufferBytesStr, tp: mysql.TypeLonglong, size: 64, comment: "MemDB used memory"},
{name: txninfo.SessionIDStr, tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag, comment: "Which session this transaction belongs to"},
{name: txninfo.UserStr, tp: mysql.TypeVarchar, size: 16, comment: "The user who open this session"},
{name: txninfo.DBStr, tp: mysql.TypeVarchar, size: 64, comment: "The schema this transaction works on"},
{name: txninfo.AllSQLDigestsStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "A list of the digests of SQL statements that the transaction has executed"},
{name: txninfo.RelatedTableIDsStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "A list of the table IDs that the transaction has accessed"},
}
var tableDeadlocksCols = []columnInfo{
{name: deadlockhistory.ColDeadlockIDStr, tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag, comment: "The ID to distinguish different deadlock events"},
{name: deadlockhistory.ColOccurTimeStr, tp: mysql.TypeTimestamp, decimal: 6, size: 26, comment: "The physical time when the deadlock occurs"},
{name: deadlockhistory.ColRetryableStr, tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether the deadlock is retryable. Retryable deadlocks are usually not reported to the client"},
{name: deadlockhistory.ColTryLockTrxIDStr, tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "The transaction ID (start ts) of the transaction that's trying to acquire the lock"},
{name: deadlockhistory.ColCurrentSQLDigestStr, tp: mysql.TypeVarchar, size: 64, comment: "The digest of the SQL that's being blocked"},
{name: deadlockhistory.ColCurrentSQLDigestTextStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "The normalized SQL that's being blocked"},
{name: deadlockhistory.ColKeyStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "The key on which a transaction is waiting for another"},
{name: deadlockhistory.ColKeyInfoStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Information of the key"},
{name: deadlockhistory.ColTrxHoldingLockStr, tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "The transaction ID (start ts) of the transaction that's currently holding the lock"},
}
var tableDataLockWaitsCols = []columnInfo{
{name: DataLockWaitsColumnKey, tp: mysql.TypeBlob, size: types.UnspecifiedLength, flag: mysql.NotNullFlag, comment: "The key that's being waiting on"},
{name: DataLockWaitsColumnKeyInfo, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Information of the key"},
{name: DataLockWaitsColumnTrxID, tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Current transaction that's waiting for the lock"},
{name: DataLockWaitsColumnCurrentHoldingTrxID, tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "The transaction that's holding the lock and blocks the current transaction"},
{name: DataLockWaitsColumnSQLDigest, tp: mysql.TypeVarchar, size: 64, comment: "Digest of the SQL that's trying to acquire the lock"},
{name: DataLockWaitsColumnSQLDigestText, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Digest of the SQL that's trying to acquire the lock"},
}
var tableStatementsSummaryEvictedCols = []columnInfo{
{name: "BEGIN_TIME", tp: mysql.TypeTimestamp, size: 26},
{name: "END_TIME", tp: mysql.TypeTimestamp, size: 26},
{name: "EVICTED_COUNT", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
}
var tableAttributesCols = []columnInfo{
{name: "ID", tp: mysql.TypeVarchar, size: types.UnspecifiedLength, flag: mysql.NotNullFlag},
{name: "TYPE", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag},
{name: "ATTRIBUTES", tp: mysql.TypeVarchar, size: types.UnspecifiedLength},
{name: "RANGES", tp: mysql.TypeBlob, size: types.UnspecifiedLength},
}
var tableTrxSummaryCols = []columnInfo{
{name: "DIGEST", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag, comment: "Digest of a transaction"},
{name: txninfo.AllSQLDigestsStr, tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "A list of the digests of SQL statements that the transaction has executed"},
}
var tablePlacementPoliciesCols = []columnInfo{
{name: "POLICY_ID", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag},
{name: "CATALOG_NAME", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "POLICY_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag}, // Catalog wide policy
{name: "PRIMARY_REGION", tp: mysql.TypeVarchar, size: 1024},
{name: "REGIONS", tp: mysql.TypeVarchar, size: 1024},
{name: "CONSTRAINTS", tp: mysql.TypeVarchar, size: 1024},
{name: "LEADER_CONSTRAINTS", tp: mysql.TypeVarchar, size: 1024},
{name: "FOLLOWER_CONSTRAINTS", tp: mysql.TypeVarchar, size: 1024},
{name: "LEARNER_CONSTRAINTS", tp: mysql.TypeVarchar, size: 1024},
{name: "SCHEDULE", tp: mysql.TypeVarchar, size: 20}, // EVEN or MAJORITY_IN_PRIMARY
{name: "FOLLOWERS", tp: mysql.TypeLonglong, size: 64},
{name: "LEARNERS", tp: mysql.TypeLonglong, size: 64},
}
var tableVariablesInfoCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_SCOPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "DEFAULT_VALUE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CURRENT_VALUE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "MIN_VALUE", tp: mysql.TypeLonglong, size: 64},
{name: "MAX_VALUE", tp: mysql.TypeLonglong, size: 64, flag: mysql.UnsignedFlag},
{name: "POSSIBLE_VALUES", tp: mysql.TypeVarchar, size: 256},
{name: "IS_NOOP", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
}
// GetShardingInfo returns a nil or description string for the sharding information of given TableInfo.
// The returned description string may be:
// - "NOT_SHARDED": for tables that SHARD_ROW_ID_BITS is not specified.
// - "NOT_SHARDED(PK_IS_HANDLE)": for tables of which primary key is row id.
// - "PK_AUTO_RANDOM_BITS={bit_number}, RANGE BITS={bit_number}": for tables of which primary key is sharded row id.
// - "SHARD_BITS={bit_number}": for tables that with SHARD_ROW_ID_BITS.
//
// The returned nil indicates that sharding information is not suitable for the table(for example, when the table is a View).
// This function is exported for unit test.
func GetShardingInfo(dbInfo *model.DBInfo, tableInfo *model.TableInfo) interface{} {
if dbInfo == nil || tableInfo == nil || tableInfo.IsView() || util.IsMemOrSysDB(dbInfo.Name.L) {
return nil
}
shardingInfo := "NOT_SHARDED"
if tableInfo.PKIsHandle {
if tableInfo.ContainsAutoRandomBits() {
shardingInfo = "PK_AUTO_RANDOM_BITS=" + strconv.Itoa(int(tableInfo.AutoRandomBits))
rangeBits := tableInfo.AutoRandomRangeBits
if rangeBits != 0 && rangeBits != autoid.AutoRandomRangeBitsDefault {
shardingInfo = fmt.Sprintf("%s, RANGE BITS=%d", shardingInfo, rangeBits)
}
} else {
shardingInfo = "NOT_SHARDED(PK_IS_HANDLE)"
}
} else if tableInfo.ShardRowIDBits > 0 {
shardingInfo = "SHARD_BITS=" + strconv.Itoa(int(tableInfo.ShardRowIDBits))
}
return shardingInfo
}
const (
// PrimaryKeyType is the string constant of PRIMARY KEY.
PrimaryKeyType = "PRIMARY KEY"
// PrimaryConstraint is the string constant of PRIMARY.
PrimaryConstraint = "PRIMARY"
// UniqueKeyType is the string constant of UNIQUE.
UniqueKeyType = "UNIQUE"
// ForeignKeyType is the string constant of Foreign Key.
ForeignKeyType = "FOREIGN KEY"
)
// ServerInfo represents the basic server information of single cluster component
type ServerInfo struct {
ServerType string
Address string
StatusAddr string
Version string
GitHash string
StartTimestamp int64
ServerID uint64
}
func (s *ServerInfo) isLoopBackOrUnspecifiedAddr(addr string) bool {
tcpAddr, err := net.ResolveTCPAddr("", addr)
if err != nil {
return false
}
ip := net.ParseIP(tcpAddr.IP.String())
return ip != nil && (ip.IsUnspecified() || ip.IsLoopback())
}
// ResolveLoopBackAddr exports for testing.
func (s *ServerInfo) ResolveLoopBackAddr() {
if s.isLoopBackOrUnspecifiedAddr(s.Address) && !s.isLoopBackOrUnspecifiedAddr(s.StatusAddr) {
addr, err1 := net.ResolveTCPAddr("", s.Address)
statusAddr, err2 := net.ResolveTCPAddr("", s.StatusAddr)
if err1 == nil && err2 == nil {
addr.IP = statusAddr.IP
s.Address = addr.String()
}
} else if !s.isLoopBackOrUnspecifiedAddr(s.Address) && s.isLoopBackOrUnspecifiedAddr(s.StatusAddr) {
addr, err1 := net.ResolveTCPAddr("", s.Address)
statusAddr, err2 := net.ResolveTCPAddr("", s.StatusAddr)
if err1 == nil && err2 == nil {
statusAddr.IP = addr.IP
s.StatusAddr = statusAddr.String()
}
}
}
// GetClusterServerInfo returns all components information of cluster
func GetClusterServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) {
failpoint.Inject("mockClusterInfo", func(val failpoint.Value) {
// The cluster topology is injected by `failpoint` expression and
// there is no extra checks for it. (let the test fail if the expression invalid)
if s := val.(string); len(s) > 0 {
var servers []ServerInfo
for _, server := range strings.Split(s, ";") {
parts := strings.Split(server, ",")
serverID, err := strconv.ParseUint(parts[5], 10, 64)
if err != nil {
panic("convert parts[5] to uint64 failed")
}
servers = append(servers, ServerInfo{
ServerType: parts[0],
Address: parts[1],
StatusAddr: parts[2],
Version: parts[3],
GitHash: parts[4],
ServerID: serverID,
})
}
failpoint.Return(servers, nil)
}
})
type retriever func(ctx sessionctx.Context) ([]ServerInfo, error)
//nolint: prealloc
var servers []ServerInfo
for _, r := range []retriever{GetTiDBServerInfo, GetPDServerInfo, GetStoreServerInfo} {
nodes, err := r(ctx)
if err != nil {
return nil, err
}
for i := range nodes {
nodes[i].ResolveLoopBackAddr()
}
servers = append(servers, nodes...)
}
return servers, nil
}
// GetTiDBServerInfo returns all TiDB nodes information of cluster
func GetTiDBServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) {
// Get TiDB servers info.
tidbNodes, err := infosync.GetAllServerInfo(context.Background())
if err != nil {
return nil, errors.Trace(err)
}
var isDefaultVersion bool
if len(config.GetGlobalConfig().ServerVersion) == 0 {
isDefaultVersion = true
}
var servers = make([]ServerInfo, 0, len(tidbNodes))
for _, node := range tidbNodes {
servers = append(servers, ServerInfo{
ServerType: "tidb",
Address: fmt.Sprintf("%s:%d", node.IP, node.Port),
StatusAddr: fmt.Sprintf("%s:%d", node.IP, node.StatusPort),
Version: FormatTiDBVersion(node.Version, isDefaultVersion),
GitHash: node.GitHash,
StartTimestamp: node.StartTimestamp,
ServerID: node.ServerIDGetter(),
})
}
return servers, nil
}
// FormatTiDBVersion make TiDBVersion consistent to TiKV and PD.
// The default TiDBVersion is 5.7.25-TiDB-${TiDBReleaseVersion}.
func FormatTiDBVersion(TiDBVersion string, isDefaultVersion bool) string {
var version, nodeVersion string
// The user hasn't set the config 'ServerVersion'.
if isDefaultVersion {
nodeVersion = TiDBVersion[strings.LastIndex(TiDBVersion, "TiDB-")+len("TiDB-"):]
if nodeVersion[0] == 'v' {
nodeVersion = nodeVersion[1:]
}
nodeVersions := strings.Split(nodeVersion, "-")
if len(nodeVersions) == 1 {
version = nodeVersions[0]
} else if len(nodeVersions) >= 2 {
version = fmt.Sprintf("%s-%s", nodeVersions[0], nodeVersions[1])
}
} else { // The user has already set the config 'ServerVersion',it would be a complex scene, so just use the 'ServerVersion' as version.
version = TiDBVersion
}
return version
}
// GetPDServerInfo returns all PD nodes information of cluster
func GetPDServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) {
// Get PD servers info.
store := ctx.GetStore()
etcd, ok := store.(kv.EtcdBackend)
if !ok {
return nil, errors.Errorf("%T not an etcd backend", store)
}
members, err := etcd.EtcdAddrs()
if err != nil {
return nil, errors.Trace(err)
}
// TODO: maybe we should unify the PD API request interface.
var (
memberNum = len(members)
servers = make([]ServerInfo, 0, memberNum)
errs = make([]error, 0, memberNum)
)
if memberNum == 0 {
return servers, nil
}
// Try on each member until one succeeds or all fail.
for _, addr := range members {
// Get PD version, git_hash
url := fmt.Sprintf("%s://%s%s", util.InternalHTTPSchema(), addr, pdapi.Status)
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
ctx.GetSessionVars().StmtCtx.AppendWarning(err)
logutil.BgLogger().Warn("create pd server info request error", zap.String("url", url), zap.Error(err))
errs = append(errs, err)
continue
}
req.Header.Add("PD-Allow-follower-handle", "true")
resp, err := util.InternalHTTPClient().Do(req)
if err != nil {
ctx.GetSessionVars().StmtCtx.AppendWarning(err)
logutil.BgLogger().Warn("request pd server info error", zap.String("url", url), zap.Error(err))
errs = append(errs, err)
continue
}
var content = struct {
Version string `json:"version"`
GitHash string `json:"git_hash"`
StartTimestamp int64 `json:"start_timestamp"`
}{}
err = json.NewDecoder(resp.Body).Decode(&content)
terror.Log(resp.Body.Close())
if err != nil {
ctx.GetSessionVars().StmtCtx.AppendWarning(err)
logutil.BgLogger().Warn("close pd server info request error", zap.String("url", url), zap.Error(err))
errs = append(errs, err)
continue
}
if len(content.Version) > 0 && content.Version[0] == 'v' {
content.Version = content.Version[1:]
}
servers = append(servers, ServerInfo{
ServerType: "pd",
Address: addr,
StatusAddr: addr,
Version: content.Version,
GitHash: content.GitHash,
StartTimestamp: content.StartTimestamp,
})
}
// Return the errors if all members' requests fail.
if len(errs) == memberNum {
errorMsg := ""
for idx, err := range errs {
errorMsg += err.Error()
if idx < memberNum-1 {
errorMsg += "; "
}
}
return nil, errors.Trace(fmt.Errorf("%s", errorMsg))
}
return servers, nil
}
// GetStoreServerInfo returns all store nodes(TiKV or TiFlash) cluster information
func GetStoreServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) {
isTiFlashStore := func(store *metapb.Store) bool {
isTiFlash := false
for _, label := range store.Labels {
if label.GetKey() == placement.EngineLabelKey && label.GetValue() == placement.EngineLabelTiFlash {
isTiFlash = true
}
}
return isTiFlash
}
store := ctx.GetStore()
// Get TiKV servers info.
tikvStore, ok := store.(tikv.Storage)
if !ok {
return nil, errors.Errorf("%T is not an TiKV or TiFlash store instance", store)
}
pdClient := tikvStore.GetRegionCache().PDClient()
if pdClient == nil {
return nil, errors.New("pd unavailable")
}
stores, err := pdClient.GetAllStores(context.Background())
if err != nil {
return nil, errors.Trace(err)
}
servers := make([]ServerInfo, 0, len(stores))
for _, store := range stores {
failpoint.Inject("mockStoreTombstone", func(val failpoint.Value) {
if val.(bool) {
store.State = metapb.StoreState_Tombstone
}
})
if store.GetState() == metapb.StoreState_Tombstone {
continue
}
var tp string
if isTiFlashStore(store) {
tp = kv.TiFlash.Name()
} else {
tp = tikv.GetStoreTypeByMeta(store).Name()
}
servers = append(servers, ServerInfo{
ServerType: tp,
Address: store.Address,
StatusAddr: store.StatusAddress,
Version: FormatStoreServerVersion(store.Version),
GitHash: store.GitHash,
StartTimestamp: store.StartTimestamp,
})
}
return servers, nil
}
// FormatStoreServerVersion format version of store servers(Tikv or TiFlash)
func FormatStoreServerVersion(version string) string {
if len(version) >= 1 && version[0] == 'v' {
version = version[1:]
}
return version
}
// GetTiFlashStoreCount returns the count of tiflash server.
func GetTiFlashStoreCount(ctx sessionctx.Context) (cnt uint64, err error) {
failpoint.Inject("mockTiFlashStoreCount", func(val failpoint.Value) {
if val.(bool) {
failpoint.Return(uint64(10), nil)
}
})
stores, err := GetStoreServerInfo(ctx)
if err != nil {
return cnt, err
}
for _, store := range stores {
if store.ServerType == kv.TiFlash.Name() {
cnt++
}
}
return cnt, nil
}
// SysVarHiddenForSem checks if a given sysvar is hidden according to SEM and privileges.
func SysVarHiddenForSem(ctx sessionctx.Context, sysVarNameInLower string) bool {
if !sem.IsEnabled() || !sem.IsInvisibleSysVar(sysVarNameInLower) {
return false
}
checker := privilege.GetPrivilegeManager(ctx)
if checker == nil || checker.RequestDynamicVerification(ctx.GetSessionVars().ActiveRoles, "RESTRICTED_VARIABLES_ADMIN", false) {
return false
}
return true
}
// GetDataFromSessionVariables return the [name, value] of all session variables
func GetDataFromSessionVariables(ctx sessionctx.Context) ([][]types.Datum, error) {
sessionVars := ctx.GetSessionVars()
sysVars := variable.GetSysVars()
rows := make([][]types.Datum, 0, len(sysVars))
for _, v := range sysVars {
if SysVarHiddenForSem(ctx, v.Name) {
continue
}
var value string
value, err := sessionVars.GetSessionOrGlobalSystemVar(v.Name)
if err != nil {
return nil, err
}
row := types.MakeDatums(v.Name, value)
rows = append(rows, row)
}
return rows, nil
}
var tableNameToColumns = map[string][]columnInfo{
TableSchemata: schemataCols,
TableTables: tablesCols,
TableColumns: columnsCols,
tableColumnStatistics: columnStatisticsCols,
TableStatistics: statisticsCols,
TableCharacterSets: charsetCols,
TableCollations: collationsCols,
tableFiles: filesCols,
TableProfiling: profilingCols,
TablePartitions: partitionsCols,
TableKeyColumn: keyColumnUsageCols,
TableReferConst: referConstCols,
TableSessionVar: sessionVarCols,
tablePlugins: pluginsCols,
TableConstraints: tableConstraintsCols,
tableTriggers: tableTriggersCols,
TableUserPrivileges: tableUserPrivilegesCols,
tableSchemaPrivileges: tableSchemaPrivilegesCols,
tableTablePrivileges: tableTablePrivilegesCols,
tableColumnPrivileges: tableColumnPrivilegesCols,
TableEngines: tableEnginesCols,
TableViews: tableViewsCols,
tableRoutines: tableRoutinesCols,
tableParameters: tableParametersCols,
tableEvents: tableEventsCols,
tableGlobalStatus: tableGlobalStatusCols,
tableGlobalVariables: tableGlobalVariablesCols,
tableSessionStatus: tableSessionStatusCols,
tableOptimizerTrace: tableOptimizerTraceCols,
tableTableSpaces: tableTableSpacesCols,
TableCollationCharacterSetApplicability: tableCollationCharacterSetApplicabilityCols,
TableProcesslist: tableProcesslistCols,
TableTiDBIndexes: tableTiDBIndexesCols,
TableSlowQuery: slowQueryCols,
TableTiDBHotRegions: TableTiDBHotRegionsCols,
TableTiDBHotRegionsHistory: TableTiDBHotRegionsHistoryCols,
TableTiKVStoreStatus: TableTiKVStoreStatusCols,
TableAnalyzeStatus: tableAnalyzeStatusCols,
TableTiKVRegionStatus: TableTiKVRegionStatusCols,
TableTiKVRegionPeers: TableTiKVRegionPeersCols,
TableTiDBServersInfo: tableTiDBServersInfoCols,
TableClusterInfo: tableClusterInfoCols,
TableClusterConfig: tableClusterConfigCols,
TableClusterLog: tableClusterLogCols,
TableClusterLoad: tableClusterLoadCols,
TableTiFlashReplica: tableTableTiFlashReplicaCols,
TableClusterHardware: tableClusterHardwareCols,
TableClusterSystemInfo: tableClusterSystemInfoCols,
TableInspectionResult: tableInspectionResultCols,
TableMetricSummary: tableMetricSummaryCols,
TableMetricSummaryByLabel: tableMetricSummaryByLabelCols,
TableMetricTables: tableMetricTablesCols,
TableInspectionSummary: tableInspectionSummaryCols,
TableInspectionRules: tableInspectionRulesCols,
TableDDLJobs: tableDDLJobsCols,
TableSequences: tableSequencesCols,
TableStatementsSummary: tableStatementsSummaryCols,
TableStatementsSummaryHistory: tableStatementsSummaryCols,
TableStatementsSummaryEvicted: tableStatementsSummaryEvictedCols,
TableStorageStats: tableStorageStatsCols,
TableTiFlashTables: tableTableTiFlashTablesCols,
TableTiFlashSegments: tableTableTiFlashSegmentsCols,
TableClientErrorsSummaryGlobal: tableClientErrorsSummaryGlobalCols,
TableClientErrorsSummaryByUser: tableClientErrorsSummaryByUserCols,
TableClientErrorsSummaryByHost: tableClientErrorsSummaryByHostCols,
TableTiDBTrx: tableTiDBTrxCols,
TableDeadlocks: tableDeadlocksCols,
TableDataLockWaits: tableDataLockWaitsCols,
TableAttributes: tableAttributesCols,
TablePlacementPolicies: tablePlacementPoliciesCols,
TableTrxSummary: tableTrxSummaryCols,
TableVariablesInfo: tableVariablesInfoCols,
}
func createInfoSchemaTable(_ autoid.Allocators, meta *model.TableInfo) (table.Table, error) {
columns := make([]*table.Column, len(meta.Columns))
for i, col := range meta.Columns {
columns[i] = table.ToColumn(col)
}
tp := table.VirtualTable
if isClusterTableByName(util.InformationSchemaName.O, meta.Name.O) {
tp = table.ClusterTable
}
return &infoschemaTable{meta: meta, cols: columns, tp: tp}, nil
}
type infoschemaTable struct {
meta *model.TableInfo
cols []*table.Column
tp table.Type
}
// IterRecords implements table.Table IterRecords interface.
func (*infoschemaTable) IterRecords(_ sessionctx.Context, _ []*table.Column,
_ table.RecordIterFunc) error {
return nil
}
// Cols implements table.Table Cols interface.
func (it *infoschemaTable) Cols() []*table.Column {
return it.cols
}
// VisibleCols implements table.Table VisibleCols interface.
func (it *infoschemaTable) VisibleCols() []*table.Column {
return it.cols
}
// HiddenCols implements table.Table HiddenCols interface.
func (it *infoschemaTable) HiddenCols() []*table.Column {
return nil
}
// WritableCols implements table.Table WritableCols interface.
func (it *infoschemaTable) WritableCols() []*table.Column {
return it.cols
}
// DeletableCols implements table.Table WritableCols interface.
func (it *infoschemaTable) DeletableCols() []*table.Column {
return it.cols
}
// FullHiddenColsAndVisibleCols implements table FullHiddenColsAndVisibleCols interface.
func (it *infoschemaTable) FullHiddenColsAndVisibleCols() []*table.Column {
return it.cols
}
// Indices implements table.Table Indices interface.
func (it *infoschemaTable) Indices() []table.Index {
return nil
}
// RecordPrefix implements table.Table RecordPrefix interface.
func (it *infoschemaTable) RecordPrefix() kv.Key {
return nil
}
// IndexPrefix implements table.Table IndexPrefix interface.
func (it *infoschemaTable) IndexPrefix() kv.Key {
return nil
}
// AddRecord implements table.Table AddRecord interface.
func (it *infoschemaTable) AddRecord(ctx sessionctx.Context, r []types.Datum, opts ...table.AddRecordOption) (recordID kv.Handle, err error) {
return nil, table.ErrUnsupportedOp
}
// RemoveRecord implements table.Table RemoveRecord interface.
func (it *infoschemaTable) RemoveRecord(ctx sessionctx.Context, h kv.Handle, r []types.Datum) error {
return table.ErrUnsupportedOp
}
// UpdateRecord implements table.Table UpdateRecord interface.
func (it *infoschemaTable) UpdateRecord(gctx context.Context, ctx sessionctx.Context, h kv.Handle, oldData, newData []types.Datum, touched []bool) error {
return table.ErrUnsupportedOp
}
// Allocators implements table.Table Allocators interface.
func (it *infoschemaTable) Allocators(_ sessionctx.Context) autoid.Allocators {
return nil
}
// Meta implements table.Table Meta interface.
func (it *infoschemaTable) Meta() *model.TableInfo {
return it.meta
}
// GetPhysicalID implements table.Table GetPhysicalID interface.
func (it *infoschemaTable) GetPhysicalID() int64 {
return it.meta.ID
}
// Type implements table.Table Type interface.
func (it *infoschemaTable) Type() table.Type {
return it.tp
}
// VirtualTable is a dummy table.Table implementation.
type VirtualTable struct{}
// Cols implements table.Table Cols interface.
func (vt *VirtualTable) Cols() []*table.Column {
return nil
}
// VisibleCols implements table.Table VisibleCols interface.
func (vt *VirtualTable) VisibleCols() []*table.Column {
return nil
}
// HiddenCols implements table.Table HiddenCols interface.
func (vt *VirtualTable) HiddenCols() []*table.Column {
return nil
}
// WritableCols implements table.Table WritableCols interface.
func (vt *VirtualTable) WritableCols() []*table.Column {
return nil
}
// DeletableCols implements table.Table WritableCols interface.
func (vt *VirtualTable) DeletableCols() []*table.Column {
return nil
}
// FullHiddenColsAndVisibleCols implements table FullHiddenColsAndVisibleCols interface.
func (vt *VirtualTable) FullHiddenColsAndVisibleCols() []*table.Column {
return nil
}
// Indices implements table.Table Indices interface.
func (vt *VirtualTable) Indices() []table.Index {
return nil
}
// RecordPrefix implements table.Table RecordPrefix interface.
func (vt *VirtualTable) RecordPrefix() kv.Key {
return nil
}
// IndexPrefix implements table.Table IndexPrefix interface.
func (vt *VirtualTable) IndexPrefix() kv.Key {
return nil
}
// AddRecord implements table.Table AddRecord interface.
func (vt *VirtualTable) AddRecord(ctx sessionctx.Context, r []types.Datum, opts ...table.AddRecordOption) (recordID kv.Handle, err error) {
return nil, table.ErrUnsupportedOp
}
// RemoveRecord implements table.Table RemoveRecord interface.
func (vt *VirtualTable) RemoveRecord(ctx sessionctx.Context, h kv.Handle, r []types.Datum) error {
return table.ErrUnsupportedOp
}
// UpdateRecord implements table.Table UpdateRecord interface.
func (vt *VirtualTable) UpdateRecord(ctx context.Context, sctx sessionctx.Context, h kv.Handle, oldData, newData []types.Datum, touched []bool) error {
return table.ErrUnsupportedOp
}
// Allocators implements table.Table Allocators interface.
func (vt *VirtualTable) Allocators(_ sessionctx.Context) autoid.Allocators {
return nil
}
// Meta implements table.Table Meta interface.
func (vt *VirtualTable) Meta() *model.TableInfo {
return nil
}
// GetPhysicalID implements table.Table GetPhysicalID interface.
func (vt *VirtualTable) GetPhysicalID() int64 {
return 0
}
// Type implements table.Table Type interface.
func (vt *VirtualTable) Type() table.Type {
return table.VirtualTable
}
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