/*------------------------------------------------------------------------- * * var.h * prototypes for var.c. * * * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $Id: var.h,v 1.21 2002/06/20 20:29:51 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef VAR_H #define VAR_H #include "nodes/primnodes.h" extern List *pull_varnos(Node *node); extern bool contain_var_reference(Node *node, int varno, int varattno, int levelsup); extern bool contain_whole_tuple_var(Node *node, int varno, int levelsup); extern bool contain_var_clause(Node *node); extern List *pull_var_clause(Node *node, bool includeUpperVars); extern Node *flatten_join_alias_vars(Node *node, List *rtable, bool force); #endif /* VAR_H */