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Diffstat (limited to 'src/include/optimizer/subselect.h')
| -rw-r--r-- | src/include/optimizer/subselect.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/include/optimizer/subselect.h b/src/include/optimizer/subselect.h new file mode 100644 index 0000000..d6a872b --- /dev/null +++ b/src/include/optimizer/subselect.h @@ -0,0 +1,40 @@ +/*------------------------------------------------------------------------- + * + * subselect.h + * Planning routines for subselects. + * + * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/optimizer/subselect.h + * + *------------------------------------------------------------------------- + */ +#ifndef SUBSELECT_H +#define SUBSELECT_H + +#include "nodes/pathnodes.h" +#include "nodes/plannodes.h" + +extern void SS_process_ctes(PlannerInfo *root); +extern JoinExpr *convert_ANY_sublink_to_join(PlannerInfo *root, + SubLink *sublink, + Relids available_rels); +extern JoinExpr *convert_EXISTS_sublink_to_join(PlannerInfo *root, + SubLink *sublink, + bool under_not, + Relids available_rels); +extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr); +extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual); +extern void SS_identify_outer_params(PlannerInfo *root); +extern void SS_charge_for_initplans(PlannerInfo *root, RelOptInfo *final_rel); +extern void SS_attach_initplans(PlannerInfo *root, Plan *plan); +extern void SS_finalize_plan(PlannerInfo *root, Plan *plan); +extern Param *SS_make_initplan_output_param(PlannerInfo *root, + Oid resulttype, int32 resulttypmod, + Oid resultcollation); +extern void SS_make_initplan_from_plan(PlannerInfo *root, + PlannerInfo *subroot, Plan *plan, + Param *prm); + +#endif /* SUBSELECT_H */ |