diff options
| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-02-13 03:46:56 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-02-13 03:46:56 +0000 |
| commit | 5d7923dd1cd8fb8804a905a8b61c78c36ed512e6 (patch) | |
| tree | 9b3f493e0b2901cc303af22796853ea362b39f21 /src/include/optimizer/subselect.h | |
| parent | 6fcf2d7cb37b039f6a73a0b3935237f437d5d61f (diff) | |
| download | postgresql-5d7923dd1cd8fb8804a905a8b61c78c36ed512e6.tar.gz postgresql-5d7923dd1cd8fb8804a905a8b61c78c36ed512e6.zip | |
Subselects...
Diffstat (limited to 'src/include/optimizer/subselect.h')
| -rw-r--r-- | src/include/optimizer/subselect.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/include/optimizer/subselect.h b/src/include/optimizer/subselect.h new file mode 100644 index 00000000000..64f9851909e --- /dev/null +++ b/src/include/optimizer/subselect.h @@ -0,0 +1,20 @@ +/*------------------------------------------------------------------------- + * + * subselect.h-- + * + *------------------------------------------------------------------------- + */ +#ifndef SUBSELECT_H +#define SUBSELECT_H + +extern int PlannerQueryLevel; /* level of current query */ +extern List *PlannerVarParam; /* correlation Vars to Param mapper */ +extern List *PlannerParamVar; /* to get Var from Param->paramid */ +extern List *PlannerInitPlan; /* init subplans for current query */ +extern int PlannerPlanId; /* to assigne unique ID to subquery plans */ + +extern List *SS_finalize_plan (Plan *plan); +extern Node *SS_replace_correlation_vars (Node *expr); +extern Node *SS_process_sublinks (Node *expr); + +#endif /* SUBSELECT_H */ |