diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 020ecdcd404..35646231a4c 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -386,12 +386,19 @@ typedef struct OnConflictSetState * Whenever we update an existing relation, we have to update indexes on the * relation, and perhaps also fire triggers. ResultRelInfo holds all the * information needed about a result relation, including indexes. + * + * Normally, a ResultRelInfo refers to a table that is in the query's + * range table; then ri_RangeTableIndex is the RT index and ri_RelationDesc + * is just a copy of the relevant es_relations[] entry. But sometimes, + * in ResultRelInfos used only for triggers, ri_RangeTableIndex is zero + * and ri_RelationDesc is a separately-opened relcache pointer that needs + * to be separately closed. See ExecGetTriggerResultRel. */ typedef struct ResultRelInfo { NodeTag type; - /* result relation's range table index */ + /* result relation's range table index, or 0 if not in range table */ Index ri_RangeTableIndex; /* relation descriptor for result relation */ @@ -479,6 +486,8 @@ typedef struct EState Snapshot es_snapshot; /* time qual to use */ Snapshot es_crosscheck_snapshot; /* crosscheck time qual for RI */ List *es_range_table; /* List of RangeTblEntry */ + Relation *es_relations; /* Array of per-es_range_table-entry Relation + * pointers, or NULL if not yet opened */ PlannedStmt *es_plannedstmt; /* link to top of plan tree */ const char *es_sourceText; /* Source text from QueryDesc */ |