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Diffstat (limited to 'src/include/optimizer/paramassign.h')
-rw-r--r-- | src/include/optimizer/paramassign.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/include/optimizer/paramassign.h b/src/include/optimizer/paramassign.h new file mode 100644 index 0000000..b4fd379 --- /dev/null +++ b/src/include/optimizer/paramassign.h @@ -0,0 +1,34 @@ +/*------------------------------------------------------------------------- + * + * paramassign.h + * Functions for assigning PARAM_EXEC slots during planning. + * + * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/optimizer/paramassign.h + * + *------------------------------------------------------------------------- + */ +#ifndef PARAMASSIGN_H +#define PARAMASSIGN_H + +#include "nodes/pathnodes.h" + +extern Param *replace_outer_var(PlannerInfo *root, Var *var); +extern Param *replace_outer_placeholdervar(PlannerInfo *root, + PlaceHolderVar *phv); +extern Param *replace_outer_agg(PlannerInfo *root, Aggref *agg); +extern Param *replace_outer_grouping(PlannerInfo *root, GroupingFunc *grp); +extern Param *replace_nestloop_param_var(PlannerInfo *root, Var *var); +extern Param *replace_nestloop_param_placeholdervar(PlannerInfo *root, + PlaceHolderVar *phv); +extern void process_subquery_nestloop_params(PlannerInfo *root, + List *subplan_params); +extern List *identify_current_nestloop_params(PlannerInfo *root, + Relids leftrelids); +extern Param *generate_new_exec_param(PlannerInfo *root, Oid paramtype, + int32 paramtypmod, Oid paramcollation); +extern int assign_special_exec_param(PlannerInfo *root); + +#endif /* PARAMASSIGN_H */ |