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00001 /*------------------------------------------------------------------------- 00002 * 00003 * subselect.h 00004 * 00005 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00006 * Portions Copyright (c) 1994, Regents of the University of California 00007 * 00008 * src/include/optimizer/subselect.h 00009 * 00010 *------------------------------------------------------------------------- 00011 */ 00012 #ifndef SUBSELECT_H 00013 #define SUBSELECT_H 00014 00015 #include "nodes/plannodes.h" 00016 #include "nodes/relation.h" 00017 00018 extern void SS_process_ctes(PlannerInfo *root); 00019 extern JoinExpr *convert_ANY_sublink_to_join(PlannerInfo *root, 00020 SubLink *sublink, 00021 Relids available_rels); 00022 extern JoinExpr *convert_EXISTS_sublink_to_join(PlannerInfo *root, 00023 SubLink *sublink, 00024 bool under_not, 00025 Relids available_rels); 00026 extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr); 00027 extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual); 00028 extern void SS_finalize_plan(PlannerInfo *root, Plan *plan, 00029 bool attach_initplans); 00030 extern Param *SS_make_initplan_from_plan(PlannerInfo *root, Plan *plan, 00031 Oid resulttype, int32 resulttypmod, Oid resultcollation); 00032 extern Param *assign_nestloop_param_var(PlannerInfo *root, Var *var); 00033 extern Param *assign_nestloop_param_placeholdervar(PlannerInfo *root, 00034 PlaceHolderVar *phv); 00035 extern int SS_assign_special_param(PlannerInfo *root); 00036 00037 #endif /* SUBSELECT_H */
1.7.1