diff options
Diffstat (limited to 'src/backend/utils/sort/logtape.c')
| -rw-r--r-- | src/backend/utils/sort/logtape.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/backend/utils/sort/logtape.c b/src/backend/utils/sort/logtape.c index d6d1e1911ea..28905124f96 100644 --- a/src/backend/utils/sort/logtape.c +++ b/src/backend/utils/sort/logtape.c @@ -1264,9 +1264,19 @@ LogicalTapeTell(LogicalTapeSet *lts, int tapenum, /* * Obtain total disk space currently used by a LogicalTapeSet, in blocks. + * + * This should not be called while there are open write buffers; otherwise it + * may not account for buffered data. */ long LogicalTapeSetBlocks(LogicalTapeSet *lts) { - return lts->nBlocksAllocated - lts->nHoleBlocks; +#ifdef USE_ASSERT_CHECKING + for (int i = 0; i < lts->nTapes; i++) + { + LogicalTape *lt = <s->tapes[i]; + Assert(!lt->writing || lt->buffer == NULL); + } +#endif + return lts->nBlocksWritten - lts->nHoleBlocks; } |