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Diffstat (limited to 'src/include/optimizer/restrictinfo.h')
-rw-r--r-- | src/include/optimizer/restrictinfo.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/include/optimizer/restrictinfo.h b/src/include/optimizer/restrictinfo.h new file mode 100644 index 0000000..14cdce7 --- /dev/null +++ b/src/include/optimizer/restrictinfo.h @@ -0,0 +1,53 @@ +/*------------------------------------------------------------------------- + * + * restrictinfo.h + * prototypes for restrictinfo.c. + * + * + * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/optimizer/restrictinfo.h + * + *------------------------------------------------------------------------- + */ +#ifndef RESTRICTINFO_H +#define RESTRICTINFO_H + +#include "nodes/pathnodes.h" + + +/* Convenience macro for the common case of a valid-everywhere qual */ +#define make_simple_restrictinfo(root, clause) \ + make_restrictinfo(root, clause, true, false, false, false, 0, \ + NULL, NULL, NULL) + +extern RestrictInfo *make_restrictinfo(PlannerInfo *root, + Expr *clause, + bool is_pushed_down, + bool has_clone, + bool is_clone, + bool pseudoconstant, + Index security_level, + Relids required_relids, + Relids incompatible_relids, + Relids outer_relids); +extern RestrictInfo *commute_restrictinfo(RestrictInfo *rinfo, Oid comm_op); +extern bool restriction_is_or_clause(RestrictInfo *restrictinfo); +extern bool restriction_is_securely_promotable(RestrictInfo *restrictinfo, + RelOptInfo *rel); +extern List *get_actual_clauses(List *restrictinfo_list); +extern List *extract_actual_clauses(List *restrictinfo_list, + bool pseudoconstant); +extern void extract_actual_join_clauses(List *restrictinfo_list, + Relids joinrelids, + List **joinquals, + List **otherquals); +extern bool has_pseudoconstant_clauses(PlannerInfo *root, + List *restrictinfo_list); +extern bool join_clause_is_movable_to(RestrictInfo *rinfo, RelOptInfo *baserel); +extern bool join_clause_is_movable_into(RestrictInfo *rinfo, + Relids currentrelids, + Relids current_and_outer); + +#endif /* RESTRICTINFO_H */ |