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/*------------------------------------------------------------------------- * * prep.h * prototypes for files in optimizer/prep/ * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/optimizer/prep.h * *------------------------------------------------------------------------- */ #ifndef PREP_H #define PREP_H #include "nodes/plannodes.h" #include "nodes/relation.h" /* * prototypes for prepjointree.c */ extern void pull_up_sublinks(PlannerInfo *root); extern void inline_set_returning_functions(PlannerInfo *root); extern Node *pull_up_subqueries(PlannerInfo *root, Node *jtnode, JoinExpr *lowest_outer_join, AppendRelInfo *containing_appendrel); extern void flatten_simple_union_all(PlannerInfo *root); extern void reduce_outer_joins(PlannerInfo *root); extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins); extern Relids get_relids_for_join(PlannerInfo *root, int joinrelid); /* * prototypes for prepqual.c */ extern Node *negate_clause(Node *node); extern Expr *canonicalize_qual(Expr *qual); /* * prototypes for preptlist.c */ extern List *preprocess_targetlist(PlannerInfo *root, List *tlist); extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex); /* * prototypes for prepunion.c */ extern Plan *plan_set_operations(PlannerInfo *root, double tuple_fraction, List **sortClauses); extern void expand_inherited_tables(PlannerInfo *root); extern Node *adjust_appendrel_attrs(PlannerInfo *root, Node *node, AppendRelInfo *appinfo); extern Node *adjust_appendrel_attrs_multilevel(PlannerInfo *root, Node *node, RelOptInfo *child_rel); #endif /* PREP_H */