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Amit Kapila

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Drop the temporary tuple slots allocated by pgoutput.

In pgoutput, when converting the child table's tuple format to match theparent table's, we temporarily create a new slot to store the convertedtuple. However, we missed to drop such temporary slots, leading toresource leakage.Reported-by: Bowen ShiAuthor: Hou ZhijieReviewed-by: Amit KapilaBackpatch-through: 15Discussion:https://postgr.es/m/CAM_vCudv8dc3sjWiPkXx5F2b27UV7_YRKRbtSCcE-pv=cVACGA@mail.gmail.com

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src/backend/replication/pgoutput
- pgoutput.c

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`‎src/backend/replication/pgoutput/pgoutput.c`

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Original file line number	Diff line number	Diff line change
`@@ -1549,6 +1549,16 @@ pgoutput_change(LogicalDecodingContext ctx, ReorderBufferTXN txn,`
`1549`	`1549`	`ancestor=NULL;`
`1550`	`1550`	`}`
`1551`	`1551`
	`1552`	`+/* Drop the new slots that were used to store the converted tuples. */`
	`1553`	`+if (relentry->attrmap)`
	`1554`	`+{`
	`1555`	`+if (old_slot)`
	`1556`	`+ExecDropSingleTupleTableSlot(old_slot);`
	`1557`	`+`
	`1558`	`+if (new_slot)`
	`1559`	`+ExecDropSingleTupleTableSlot(new_slot);`
	`1560`	`+}`
	`1561`	`+`
`1552`	`1562`	`MemoryContextSwitchTo(old);`
`1553`	`1563`	`MemoryContextReset(data->context);`
`1554`	`1564`	`}`

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Commitb8f953d

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`‎src/backend/replication/pgoutput/pgoutput.c`

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