50 lines
2.4 KiB
C
Executable File
50 lines
2.4 KiB
C
Executable File
/* -------------------------------------------------------------------------
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*
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* parse_clause.h
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* handle clauses in parser
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*
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*
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* Portions Copyright (c) 1996-2012, 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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* src/include/parser/parse_clause.h
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef PARSE_CLAUSE_H
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#define PARSE_CLAUSE_H
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#include "nodes/relation.h"
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#include "parser/parse_node.h"
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extern void transformFromClause(ParseState* pstate, List* frmList, bool isFirstNode = true, bool isCreateView = false);
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extern int setTargetTable(ParseState* pstate, RangeVar* relation, bool inh, bool alsoSource, AclMode requiredPerms);
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extern bool interpretInhOption(InhOption inhOpt);
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extern bool interpretOidsOption(List* defList, bool allowOids);
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extern Node* transformFromClauseItem(ParseState* pstate, Node* n, RangeTblEntry** top_rte, int* top_rti,
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RangeTblEntry** right_rte, int* right_rti, List** relnamespace, Relids* containedRels, bool isFirstNode = true,
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bool isCreateView = false, bool isMergeInto = false);
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extern Node* transformJoinOnClause(ParseState* pstate, JoinExpr* j, RangeTblEntry* l_rte, RangeTblEntry* r_rte,
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List* relnamespace, Relids containedRels);
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extern Node* transformWhereClause(ParseState* pstate, Node* clause, const char* constructName);
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extern Node* transformLimitClause(ParseState* pstate, Node* clause, const char* constructName);
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extern List* transformGroupClause(
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ParseState* pstate, List* grouplist, List** groupingSets, List** targetlist, List* sortClause, bool useSQL99);
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extern List* transformSortClause(
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ParseState* pstate, List* orderlist, List** targetlist, bool resolveUnknown, bool useSQL99);
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extern List* transformWindowDefinitions(ParseState* pstate, List* windowdefs, List** targetlist);
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extern List* transformDistinctClause(ParseState* pstate, List** targetlist, List* sortClause, bool is_agg);
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extern List* transformDistinctOnClause(ParseState* pstate, List* distinctlist, List** targetlist, List* sortClause);
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extern Index assignSortGroupRef(TargetEntry* tle, List* tlist);
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extern bool targetIsInSortList(TargetEntry* tle, Oid sortop, List* sortList);
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extern List* addTargetToSortList(
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ParseState* pstate, TargetEntry* tle, List* sortlist, List* targetlist, SortBy* sortby, bool resolveUnknown);
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#endif /* PARSE_CLAUSE_H */
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