diff options
Diffstat (limited to 'src/backend/optimizer/plan/planner.c')
| -rw-r--r-- | src/backend/optimizer/plan/planner.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index fc13d921d0c..c989e72cac5 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -342,6 +342,7 @@ standard_planner(Query *parse, const char *query_string, int cursorOptions, glob->transientPlan = false; glob->dependsOnRole = false; glob->partition_directory = NULL; + glob->rel_notnullatts_hash = NULL; /* * Assess whether it's feasible to use parallel mode for this query. We @@ -723,11 +724,12 @@ subquery_planner(PlannerGlobal *glob, Query *parse, PlannerInfo *parent_root, /* * Scan the rangetable for relation RTEs and retrieve the necessary * catalog information for each relation. Using this information, clear - * the inh flag for any relation that has no children, and expand virtual - * generated columns for any relation that contains them. Note that this - * step does not descend into sublinks and subqueries; if we pull up any - * sublinks or subqueries below, their relation RTEs are processed just - * before pulling them up. + * the inh flag for any relation that has no children, collect not-null + * attribute numbers for any relation that has column not-null + * constraints, and expand virtual generated columns for any relation that + * contains them. Note that this step does not descend into sublinks and + * subqueries; if we pull up any sublinks or subqueries below, their + * relation RTEs are processed just before pulling them up. */ parse = root->parse = preprocess_relation_rtes(root); |