diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:46:48 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:46:48 +0000 |
| commit | 311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 (patch) | |
| tree | 0ec307299b1dada3701e42f4ca6eda57d708261e /src/include/optimizer/placeholder.h | |
| parent | Initial commit. (diff) | |
| download | postgresql-15-upstream.tar.xz postgresql-15-upstream.zip | |
Adding upstream version 15.4.upstream/15.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/optimizer/placeholder.h')
| -rw-r--r-- | src/include/optimizer/placeholder.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/include/optimizer/placeholder.h b/src/include/optimizer/placeholder.h new file mode 100644 index 0000000..39803ea --- /dev/null +++ b/src/include/optimizer/placeholder.h @@ -0,0 +1,32 @@ +/*------------------------------------------------------------------------- + * + * placeholder.h + * prototypes for optimizer/util/placeholder.c. + * + * + * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/optimizer/placeholder.h + * + *------------------------------------------------------------------------- + */ +#ifndef PLACEHOLDER_H +#define PLACEHOLDER_H + +#include "nodes/pathnodes.h" + + +extern PlaceHolderVar *make_placeholder_expr(PlannerInfo *root, Expr *expr, + Relids phrels); +extern PlaceHolderInfo *find_placeholder_info(PlannerInfo *root, + PlaceHolderVar *phv, bool create_new_ph); +extern void find_placeholders_in_jointree(PlannerInfo *root); +extern void update_placeholder_eval_levels(PlannerInfo *root, + SpecialJoinInfo *new_sjinfo); +extern void fix_placeholder_input_needed_levels(PlannerInfo *root); +extern void add_placeholders_to_base_rels(PlannerInfo *root); +extern void add_placeholders_to_joinrel(PlannerInfo *root, RelOptInfo *joinrel, + RelOptInfo *outer_rel, RelOptInfo *inner_rel); + +#endif /* PLACEHOLDER_H */ |