diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/sort/tuplestore.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/utils/sort/tuplestore.c b/src/backend/utils/sort/tuplestore.c index b67d78c8e76..31c0a7b9f07 100644 --- a/src/backend/utils/sort/tuplestore.c +++ b/src/backend/utils/sort/tuplestore.c @@ -570,7 +570,8 @@ tuplestore_puttuple(Tuplestorestate *state, HeapTuple tuple) MemoryContext oldcxt = MemoryContextSwitchTo(state->context); /* - * Copy the tuple. (Must do this even in WRITEFILE case.) + * Copy the tuple. (Must do this even in WRITEFILE case. Note that + * COPYTUP includes USEMEM, so we needn't do that here.) */ tuple = COPYTUP(state, tuple); @@ -580,9 +581,8 @@ tuplestore_puttuple(Tuplestorestate *state, HeapTuple tuple) } /* - * Similar to tuplestore_puttuple(), but start from the values + nulls - * array. This avoids requiring that the caller construct a HeapTuple, - * saving a copy. + * Similar to tuplestore_puttuple(), but work from values + nulls arrays. + * This avoids an extra tuple-construction operation. */ void tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc, @@ -592,6 +592,7 @@ tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc, MemoryContext oldcxt = MemoryContextSwitchTo(state->context); tuple = heap_form_minimal_tuple(tdesc, values, isnull); + USEMEM(state, GetMemoryChunkSpace(tuple)); tuplestore_puttuple_common(state, (void *) tuple); |