diff options
Diffstat (limited to 'src/include/nodes/relation.h')
| -rw-r--r-- | src/include/nodes/relation.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index c66bc05a749..9cb4370c854 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/relation.h,v 1.159 2008/09/09 18:58:08 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/relation.h,v 1.160 2008/10/04 21:56:55 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -104,6 +104,8 @@ typedef struct PlannerInfo Index query_level; /* 1 at the outermost Query */ + struct PlannerInfo *parent_root; /* NULL at outermost Query */ + /* * simple_rel_array holds pointers to "base rels" and "other rels" (see * comments for RelOptInfo for more info). It is indexed by rangetable @@ -138,7 +140,9 @@ typedef struct PlannerInfo List *returningLists; /* list of lists of TargetEntry, or NIL */ - List *init_plans; /* init subplans for query */ + List *init_plans; /* init SubPlans for query */ + + List *cte_plan_ids; /* per-CTE-item list of subplan IDs */ List *eq_classes; /* list of active EquivalenceClasses */ @@ -178,6 +182,11 @@ typedef struct PlannerInfo bool hasHavingQual; /* true if havingQual was non-null */ bool hasPseudoConstantQuals; /* true if any RestrictInfo has * pseudoconstant = true */ + bool hasRecursion; /* true if planning a recursive WITH item */ + + /* These fields are used only when hasRecursion is true: */ + int wt_param_id; /* PARAM_EXEC ID for the work table */ + struct Plan *non_recursive_plan; /* plan for non-recursive term */ } PlannerInfo; @@ -542,8 +551,9 @@ typedef struct PathKey } PathKey; /* - * Type "Path" is used as-is for sequential-scan paths. For other - * path types it is the first component of a larger struct. + * Type "Path" is used as-is for sequential-scan paths, as well as some other + * simple plan types that we don't need any extra information in the path for. + * For other path types it is the first component of a larger struct. * * Note: "pathtype" is the NodeTag of the Plan node we could build from this * Path. It is partially redundant with the Path's NodeTag, but allows us |