diff options
Diffstat (limited to 'src/include/nodes/relation.h')
| -rw-r--r-- | src/include/nodes/relation.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index 59ec830f3f..19bcb51ea0 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/relation.h,v 1.137 2007/02/20 17:32:17 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/relation.h,v 1.138 2007/02/22 22:00:26 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -64,9 +64,17 @@ typedef struct PlannerGlobal List *paramlist; /* to keep track of cross-level Params */ - int next_plan_id; /* hack for distinguishing SubPlans */ + List *subplans; /* Plans for SubPlan nodes */ + + List *subrtables; /* Rangetables for SubPlan nodes */ + + List *finalrtable; /* "flat" rangetable for executor */ } PlannerGlobal; +/* macro for fetching the Plan associated with a SubPlan node */ +#define planner_subplan_get_plan(root, subplan) \ + ((Plan *) list_nth((root)->glob->subplans, (subplan)->plan_id - 1)) + /*---------- * PlannerInfo @@ -228,6 +236,7 @@ typedef struct PlannerInfo * pages - number of disk pages in relation (zero if not a table) * tuples - number of tuples in relation (not considering restrictions) * subplan - plan for subquery (NULL if it's not a subquery) + * subrtable - rangetable for subquery (NIL if it's not a subquery) * * Note: for a subquery, tuples and subplan are not set immediately * upon creation of the RelOptInfo object; they are filled in when @@ -310,6 +319,7 @@ typedef struct RelOptInfo BlockNumber pages; double tuples; struct Plan *subplan; /* if subquery */ + List *subrtable; /* if subquery */ /* used by various scans and joins: */ List *baserestrictinfo; /* RestrictInfo structures (if base |