diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/nbtree/nbtsearch.c | 9 | ||||
| -rw-r--r-- | src/backend/access/nbtree/nbtutils.c | 5 |
2 files changed, 3 insertions, 11 deletions
diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c index 7ae2bc8b66a..7e2a8b92685 100644 --- a/src/backend/access/nbtree/nbtsearch.c +++ b/src/backend/access/nbtree/nbtsearch.c @@ -2246,12 +2246,9 @@ _bt_steppage(IndexScanDesc scan, ScanDirection dir) * * _bt_first caller passes us an offnum returned by _bt_binsrch, which might * be an out of bounds offnum such as "maxoff + 1" in certain corner cases. - * _bt_checkkeys will stop the scan as soon as an equality qual fails (when - * its scan key was marked required), so _bt_first _must_ pass us an offnum - * exactly at the beginning of where equal tuples are to be found. When we're - * passed an offnum past the end of the page, we might still manage to stop - * the scan on this page by calling _bt_checkkeys against the high key. See - * _bt_readpage for full details. + * When we're passed an offnum past the end of the page, we might still manage + * to stop the scan on this page by calling _bt_checkkeys against the high + * key. See _bt_readpage for full details. * * On entry, so->currPos must be pinned and locked (so offnum stays valid). * Parallel scan callers must have seized the scan before calling here. diff --git a/src/backend/access/nbtree/nbtutils.c b/src/backend/access/nbtree/nbtutils.c index 288da8b68ab..cb860f24fd3 100644 --- a/src/backend/access/nbtree/nbtutils.c +++ b/src/backend/access/nbtree/nbtutils.c @@ -2969,11 +2969,6 @@ _bt_check_compare(IndexScanDesc scan, ScanDirection dir, * Tuple fails this qual. If it's a required qual for the current * scan direction, then we can conclude no further tuples will * pass, either. - * - * Note: because we stop the scan as soon as any required equality - * qual fails, it is critical that equality quals be used for the - * initial positioning in _bt_first() when they are available. See - * comments in _bt_first(). */ if (requiredSameDir) *continuescan = false; |