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[PGPRO-11557] Fix infinite loop with multiple ORDER BY in RUM scan#149

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[PGPRO-11557] Fix infinite loop with multiple ORDER BY in RUM scan
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mkharitonov authored andMikhail Kharitonov committedApr 28, 2025
commit337b60ed2e3e64ec229641c8d72d55b818c3db31
6 changes: 5 additions & 1 deletionsrc/rumget.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -1741,7 +1741,11 @@ entryFindItem(RumState * rumstate, RumScanEntry entry, RumItem * item, Snapshot
{
if (compareRumItemScanDirection(rumstate, entry->attnumOrig,
entry->scanDirection,
&entry->curItem, item) >= 0)
&entry->curItem, item) >= 0 &&
entry->offset >= 0 &&
entry->offset < entry->nlist &&
rumCompareItemPointers(&entry->curItem.iptr,
&entry->list[entry->offset].iptr) == 0)
return;
while (entry->offset >= 0 && entry->offset < entry->nlist)
{
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