spark AvroDataSourceV2 源码
spark AvroDataSourceV2 代码
文件路径：/connector/avro/src/main/scala/org/apache/spark/sql/v2/avro/AvroDataSourceV2.scala
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.spark.sql.v2.avro
import org.apache.spark.sql.avro.AvroFileFormat
import org.apache.spark.sql.connector.catalog.Table
import org.apache.spark.sql.execution.datasources.FileFormat
import org.apache.spark.sql.execution.datasources.v2.FileDataSourceV2
import org.apache.spark.sql.types.StructType
import org.apache.spark.sql.util.CaseInsensitiveStringMap
class AvroDataSourceV2 extends FileDataSourceV2 {
override def fallbackFileFormat: Class[_ <: FileFormat] = classOf[AvroFileFormat]
override def shortName(): String = "avro"
override def getTable(options: CaseInsensitiveStringMap): Table = {
val paths = getPaths(options)
val tableName = getTableName(options, paths)
val optionsWithoutPaths = getOptionsWithoutPaths(options)
AvroTable(tableName, sparkSession, optionsWithoutPaths, paths, None, fallbackFileFormat)
}
override def getTable(options: CaseInsensitiveStringMap, schema: StructType): Table = {
val paths = getPaths(options)
val tableName = getTableName(options, paths)
val optionsWithoutPaths = getOptionsWithoutPaths(options)
AvroTable(tableName, sparkSession, optionsWithoutPaths, paths, Some(schema), fallbackFileFormat)
}
}
相关信息
相关文章
0
赞
- 所属分类： 前端技术
- 本文标签：
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
7、 openharmony