diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtsearch.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtsearch.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c index 4369582435e..f69397623df 100644 --- a/src/backend/access/nbtree/nbtsearch.c +++ b/src/backend/access/nbtree/nbtsearch.c @@ -1655,6 +1655,7 @@ _bt_readpage(IndexScanDesc scan, ScanDirection dir, OffsetNumber offnum, pstate.continuescan = true; /* default assumption */ pstate.rechecks = 0; pstate.targetdistance = 0; + pstate.nskipadvances = 0; if (ScanDirectionIsForward(dir)) { @@ -1884,6 +1885,21 @@ _bt_readpage(IndexScanDesc scan, ScanDirection dir, OffsetNumber offnum, passes_quals = _bt_checkkeys(scan, &pstate, arrayKeys, itup, indnatts); + if (arrayKeys && so->scanBehind) + { + /* + * Done scanning this page, but not done with the current + * primscan. + * + * Note: Forward scans don't check this explicitly, since they + * prefer to reuse pstate.skip for this instead. + */ + Assert(!passes_quals && pstate.continuescan); + Assert(!pstate.forcenonrequired); + + break; + } + /* * Check if we need to skip ahead to a later tuple (only possible * when the scan uses array keys) |