| Current Path : /usr/local/include/postgresql/server/rewrite/ |
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| Current File : //usr/local/include/postgresql/server/rewrite/rewriteManip.h |
/*------------------------------------------------------------------------- * * rewriteManip.h * Querytree manipulation subroutines for query rewriter. * * * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $PostgreSQL: pgsql/src/include/rewrite/rewriteManip.h,v 1.44.2.1 2008/08/14 20:31:59 heikki Exp $ * *------------------------------------------------------------------------- */ #ifndef REWRITEMANIP_H #define REWRITEMANIP_H #include "nodes/parsenodes.h" extern void OffsetVarNodes(Node *node, int offset, int sublevels_up); extern void ChangeVarNodes(Node *node, int old_varno, int new_varno, int sublevels_up); extern void IncrementVarSublevelsUp(Node *node, int delta_sublevels_up, int min_sublevels_up); extern void IncrementVarSublevelsUp_rtable(List *rtable, int delta_sublevels_up, int min_sublevels_up); extern bool rangeTableEntry_used(Node *node, int rt_index, int sublevels_up); extern bool attribute_used(Node *node, int rt_index, int attno, int sublevels_up); extern Query *getInsertSelectQuery(Query *parsetree, Query ***subquery_ptr); extern void AddQual(Query *parsetree, Node *qual); extern void AddInvertedQual(Query *parsetree, Node *qual); extern bool checkExprHasAggs(Node *node); extern bool checkExprHasSubLink(Node *node); extern Node *ResolveNew(Node *node, int target_varno, int sublevels_up, RangeTblEntry *target_rte, List *targetlist, int event, int update_varno); #endif /* REWRITEMANIP_H */