greenplumn parse_cte 源码
greenplumn parse_cte 代码
文件路径:/src/include/parser/parse_cte.h
/*-------------------------------------------------------------------------
*
* parse_cte.h
* handle CTEs (common table expressions) in parser
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
* Portions Copyright (c) 2011 - present, EMC Greenplum.
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
* src/include/parser/parse_cte.h
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_CTE_H
#define PARSE_CTE_H
#include "parser/parse_node.h"
extern List *transformWithClause(ParseState *pstate, WithClause *withClause);
extern CommonTableExpr *GetCTEForRTE(ParseState *pstate, RangeTblEntry *rte, int rtelevelsup);
extern void analyzeCTETargetList(ParseState *pstate, CommonTableExpr *cte,
List *tlist);
#endif /* PARSE_CTE_H */
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