greenplumn psqlscanslash 源码
greenplumn psqlscanslash 代码
文件路径：/src/bin/psql/psqlscanslash.h
/*
* psql - the PostgreSQL interactive terminal
*
* Copyright (c) 2000-2019, PostgreSQL Global Development Group
*
* src/bin/psql/psqlscanslash.h
*/
#ifndef PSQLSCANSLASH_H
#define PSQLSCANSLASH_H
#include "fe_utils/psqlscan.h"
/* Different ways for scan_slash_option to handle parameter words */
enum slash_option_type
{
OT_NORMAL, /* normal case */
OT_SQLID, /* treat as SQL identifier */
OT_SQLIDHACK, /* SQL identifier, but don't downcase */
OT_FILEPIPE, /* it's a filename or pipe */
OT_WHOLE_LINE /* just snarf the rest of the line */
};
extern char *psql_scan_slash_command(PsqlScanState state);
extern char *psql_scan_slash_option(PsqlScanState state,
enum slash_option_type type,
char *quote,
bool semicolon);
extern void psql_scan_slash_command_end(PsqlScanState state);
extern int psql_scan_get_paren_depth(PsqlScanState state);
extern void psql_scan_set_paren_depth(PsqlScanState state, int depth);
extern void dequote_downcase_identifier(char *str, bool downcase, int encoding);
#endif /* PSQLSCANSLASH_H */
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