26 lines
998 B
C
26 lines
998 B
C
/* ---------------------------------------------------------------------------------------
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*
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* parse_merge.h
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* handle merge-stmt in parser
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*
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* Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* src/include/parser/parse_merge.h
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*
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* ---------------------------------------------------------------------------------------
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*/
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#ifndef PARSE_MERGE_H
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#define PARSE_MERGE_H
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#include "parser/parse_node.h"
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extern bool contain_subquery_walker(Node* node, void* context);
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extern Query* transformMergeStmt(ParseState* pstate, MergeStmt* stmt);
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extern List* expandTargetTL(List* te_list, Query* parsetree);
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extern List* expandActionTL(List* te_list, Query* parsetree);
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extern List* expandQualTL(List* te_list, Query* parsetree);
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extern bool check_unique_constraint(List*& index_list);
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extern void setExtraUpdatedCols(RangeTblEntry* target_rte, TupleDesc tupdesc);
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#endif
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