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- /*-------------------------------------------------------------------------
- *
- * prep.h
- * prototypes for files in optimizer/prep/
- *
- *
- * Portions Copyright (c) 1996-2019, 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/pathnodes.h"
- #include "nodes/plannodes.h"
-
-
- /*
- * prototypes for prepjointree.c
- */
- extern void replace_empty_jointree(Query *parse);
- extern void pull_up_sublinks(PlannerInfo *root);
- extern void inline_set_returning_functions(PlannerInfo *root);
- extern void pull_up_subqueries(PlannerInfo *root);
- extern void flatten_simple_union_all(PlannerInfo *root);
- extern void reduce_outer_joins(PlannerInfo *root);
- extern void remove_useless_result_rtes(PlannerInfo *root);
- extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
- extern Relids get_relids_for_join(Query *query, int joinrelid);
-
- /*
- * prototypes for preptlist.c
- */
- extern List *preprocess_targetlist(PlannerInfo *root);
-
- extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
-
- /*
- * prototypes for prepunion.c
- */
- extern RelOptInfo *plan_set_operations(PlannerInfo *root);
-
- #endif /* PREP_H */
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