diff options
Diffstat (limited to 'src/include/nodes/pathnodes.h')
| -rw-r--r-- | src/include/nodes/pathnodes.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/include/nodes/pathnodes.h b/src/include/nodes/pathnodes.h index 6567759595d..ad2726f026f 100644 --- a/src/include/nodes/pathnodes.h +++ b/src/include/nodes/pathnodes.h @@ -179,6 +179,9 @@ typedef struct PlannerGlobal /* partition descriptors */ PartitionDirectory partition_directory pg_node_attr(read_write_ignore); + + /* hash table for NOT NULL attnums of relations */ + struct HTAB *rel_notnullatts_hash pg_node_attr(read_write_ignore); } PlannerGlobal; /* macro for fetching the Plan associated with a SubPlan node */ @@ -719,6 +722,9 @@ typedef struct PartitionSchemeData *PartitionScheme; * the attribute is needed as part of final targetlist * attr_widths - cache space for per-attribute width estimates; * zero means not computed yet + * notnullattnums - zero-based set containing attnums of NOT NULL + * columns (not populated for rels corresponding to + * non-partitioned inh==true RTEs) * nulling_relids - relids of outer joins that can null this rel * lateral_vars - lateral cross-references of rel, if any (list of * Vars and PlaceHolderVars) @@ -952,11 +958,7 @@ typedef struct RelOptInfo Relids *attr_needed pg_node_attr(read_write_ignore); /* array indexed [min_attr .. max_attr] */ int32 *attr_widths pg_node_attr(read_write_ignore); - - /* - * Zero-based set containing attnums of NOT NULL columns. Not populated - * for rels corresponding to non-partitioned inh==true RTEs. - */ + /* zero-based set containing attnums of NOT NULL columns */ Bitmapset *notnullattnums; /* relids of outer joins that can null this baserel */ Relids nulling_relids; @@ -2131,10 +2133,12 @@ typedef struct MemoizePath * complete after caching the first record. */ bool binary_mode; /* true when cache key should be compared bit * by bit, false when using hash equality ops */ - Cardinality calls; /* expected number of rescans */ uint32 est_entries; /* The maximum number of entries that the * planner expects will fit in the cache, or 0 * if unknown */ + Cardinality est_calls; /* expected number of rescans */ + Cardinality est_unique_keys; /* estimated unique keys, for EXPLAIN */ + double est_hit_ratio; /* estimated cache hit ratio, for EXPLAIN */ } MemoizePath; /* |