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| Current File : //usr/local/include/postgresql/server/optimizer/tlist.h |
/*------------------------------------------------------------------------- * * tlist.h * prototypes for tlist.c. * * * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $PostgreSQL: pgsql/src/include/optimizer/tlist.h,v 1.49 2008/01/01 19:45:58 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef TLIST_H #define TLIST_H #include "nodes/relation.h" extern TargetEntry *tlist_member(Node *node, List *targetlist); extern TargetEntry *tlist_member_ignore_relabel(Node *node, List *targetlist); extern List *flatten_tlist(List *tlist); extern List *add_to_flat_tlist(List *tlist, List *vars); extern TargetEntry *get_sortgroupref_tle(Index sortref, List *targetList); extern TargetEntry *get_sortgroupclause_tle(SortClause *sortClause, List *targetList); extern Node *get_sortgroupclause_expr(SortClause *sortClause, List *targetList); extern List *get_sortgrouplist_exprs(List *sortClauses, List *targetList); extern bool tlist_same_datatypes(List *tlist, List *colTypes, bool junkOK); #endif /* TLIST_H */