diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index 5f6c08c0134..f6ec7a64d54 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.277.2.2 2010/03/19 22:54:49 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.277.2.3 2010/08/14 15:47:30 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -542,6 +542,18 @@ count_agg_clauses_walker(Node *node, AggClauseCounts *counts) counts->transitionSpace += avgwidth + 2 * sizeof(void *); } + else if (aggtranstype == INTERNALOID) + { + /* + * INTERNAL transition type is a special case: although INTERNAL + * is pass-by-value, it's almost certainly being used as a pointer + * to some large data structure. We assume usage of + * ALLOCSET_DEFAULT_INITSIZE, which is a good guess if the data is + * being kept in a private memory context, as is done by + * array_agg() for instance. + */ + counts->transitionSpace += ALLOCSET_DEFAULT_INITSIZE; + } /* * Complain if the aggregate's arguments contain any aggregates; |