diff options
Diffstat (limited to 'src/include/optimizer/appendinfo.h')
| -rw-r--r-- | src/include/optimizer/appendinfo.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/include/optimizer/appendinfo.h b/src/include/optimizer/appendinfo.h new file mode 100644 index 0000000..d6a27a6 --- /dev/null +++ b/src/include/optimizer/appendinfo.h @@ -0,0 +1,35 @@ +/*------------------------------------------------------------------------- + * + * appendinfo.h + * Routines for mapping expressions between append rel parent(s) and + * children + * + * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/optimizer/appendinfo.h + * + *------------------------------------------------------------------------- + */ +#ifndef APPENDINFO_H +#define APPENDINFO_H + +#include "nodes/pathnodes.h" +#include "utils/relcache.h" + +extern AppendRelInfo *make_append_rel_info(Relation parentrel, + Relation childrel, + Index parentRTindex, Index childRTindex); +extern Node *adjust_appendrel_attrs(PlannerInfo *root, Node *node, + int nappinfos, AppendRelInfo **appinfos); +extern Node *adjust_appendrel_attrs_multilevel(PlannerInfo *root, Node *node, + Relids child_relids, + Relids top_parent_relids); +extern Relids adjust_child_relids(Relids relids, int nappinfos, + AppendRelInfo **appinfos); +extern Relids adjust_child_relids_multilevel(PlannerInfo *root, Relids relids, + Relids child_relids, Relids top_parent_relids); +extern AppendRelInfo **find_appinfos_by_relids(PlannerInfo *root, + Relids relids, int *nappinfos); + +#endif /* APPENDINFO_H */ |