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openGauss-server/src/include/parser/parse_merge.h
2020-08-25 09:44:34 +08:00

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/* ---------------------------------------------------------------------------------------
*
* parse_merge.h
* handle merge-stmt in parser
*
* Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* src/include/parser/parse_merge.h
*
* ---------------------------------------------------------------------------------------
*/
#ifndef PARSE_MERGE_H
#define PARSE_MERGE_H
#include "parser/parse_node.h"
extern Query* transformMergeStmt(ParseState* pstate, MergeStmt* stmt);
extern List* expandTargetTL(List* te_list, Query* parsetree);
extern List* expandActionTL(List* te_list, Query* parsetree);
extern List* expandQualTL(List* te_list, Query* parsetree);
extern bool check_unique_constraint(List*& index_list);
#endif