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/*------------------------------------------------------------------------- * * 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 */