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| author | Peter Geoghegan <pg@bowt.ie> | 2020-08-03 13:04:42 -0700 |
|---|---|---|
| committer | Peter Geoghegan <pg@bowt.ie> | 2020-08-03 13:04:42 -0700 |
| commit | a451b7d44249b8655db8d40476ace9f84d76ab88 (patch) | |
| tree | cfdc9079c206988dd7672bfa93963f933c360b22 /src | |
| parent | 9e496768b8a7303ea07888ea1baae8e2a57dda7b (diff) | |
| download | postgresql-a451b7d44249b8655db8d40476ace9f84d76ab88.tar.gz postgresql-a451b7d44249b8655db8d40476ace9f84d76ab88.zip | |
Add nbtree page deletion assertion.
Add a documenting assertion that's similar to the nearby assertion added
by commit cd8c73a3. This conveys that the entire call to _bt_pagedel()
does no work if it isn't possible to get a descent stack for the initial
scanblkno page.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/nbtree/nbtpage.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/access/nbtree/nbtpage.c b/src/backend/access/nbtree/nbtpage.c index 70bac0052fc..53dff326808 100644 --- a/src/backend/access/nbtree/nbtpage.c +++ b/src/backend/access/nbtree/nbtpage.c @@ -1697,6 +1697,7 @@ _bt_pagedel(Relation rel, Buffer leafbuf, TransactionId *oldestBtpoXact) if (_bt_leftsib_splitflag(rel, leftsib, leafblkno)) { ReleaseBuffer(leafbuf); + Assert(ndeleted == 0); return ndeleted; } |