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Commit2128ceb

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Remove extra prefetch iterator setup for Bitmap Table Scan
1a0da34 replaced Bitmap Table Scan's separate private andshared bitmap iterators with a unified iterator. It accidentally set upthe prefetch iterator twice for non-parallel bitmap table scans. Removethe extra set up call to tbm_begin_iterate().
1 parent754c610 commit2128ceb

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‎src/backend/executor/nodeBitmapHeapscan.c

Lines changed: 0 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -105,15 +105,6 @@ BitmapHeapNext(BitmapHeapScanState *node)
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elog(ERROR,"unrecognized result from subplan");
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node->tbm=tbm;
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#ifdefUSE_PREFETCH
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if (node->prefetch_maximum>0)
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node->prefetch_iterator=
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tbm_begin_iterate(node->tbm,dsa,
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pstate ?
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pstate->prefetch_iterator :
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InvalidDsaPointer);
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#endif/* USE_PREFETCH */
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}
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elseif (BitmapShouldInitializeSharedState(pstate))
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{

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