| /*------------------------------------------------------------------------- |
| * |
| * parse_clause.h |
| * handle clauses in parser |
| * |
| * |
| * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/include/parser/parse_clause.h,v 1.46 2006/07/03 22:45:40 tgl Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef PARSE_CLAUSE_H |
| #define PARSE_CLAUSE_H |
| |
| #include "parser/parse_node.h" |
| |
| extern void transformFromClause(ParseState *pstate, List *frmList); |
| extern void transformWindowClause(ParseState *pstate, Query *qry); |
| extern int setTargetTable(ParseState *pstate, RangeVar *relation, |
| bool inh, bool alsoSource, AclMode requiredPerms); |
| extern bool interpretInhOption(InhOption inhOpt); |
| extern bool interpretOidsOption(List *defList); |
| |
| extern Node *transformWhereClause(ParseState *pstate, Node *clause, |
| const char *constructName); |
| extern Node *transformLimitClause(ParseState *pstate, Node *clause, |
| const char *constructName); |
| extern List *transformGroupClause(ParseState *pstate, List *grouplist, |
| List **targetlist, List *sortClause, |
| bool useSQL99); |
| extern List *transformSortClause(ParseState *pstate, List *orderlist, |
| List **targetlist, bool resolveUnknown, |
| bool useSQL99); |
| extern List *transformDistinctClause(ParseState *pstate, List *distinctlist, |
| List **targetlist, List **sortClause, List **groupClause); |
| extern List *transformScatterClause(ParseState *pstate, List *scatterlist, |
| List **targetlist); |
| |
| extern List *addAllTargetsToSortList(ParseState *pstate, |
| List *sortlist, List *targetlist, |
| bool resolveUnknown); |
| |
| extern List *addTargetToSortList(ParseState *pstate, TargetEntry *tle, |
| List *sortlist, List *targetlist, |
| int sortby_kind, List *sortby_opname, |
| bool resolveUnknown); |
| extern Index assignSortGroupRef(TargetEntry *tle, List *tlist); |
| extern bool targetIsInSortGroupList(TargetEntry *tle, List *sortList); |
| extern bool sort_op_can_sort(Oid opid, bool mergejoin); |
| #endif /* PARSE_CLAUSE_H */ |
