Commit4985a45

Amit Kapila

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Add CHECK_FOR_INTERRUPTS while decoding changes.

While decoding changes in a loop, if we skip all the changes there is noCFI making the loop uninterruptible.Reported-by: Whale Song and Andrey BorodinBug: 17580Author: Masahiko SawadaReviwed-by: Amit KapilaBackpatch-through: 10Discussion:https://postgr.es/m/17580-849c1d5b6d7eb422@postgresql.orgDiscussion:https://postgr.es/m/B319ECD6-9A28-4CDF-A8F4-3591E0BF2369@yandex-team.ru

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Original file line number	Diff line number	Diff line change
`@@ -1577,6 +1577,8 @@ ReorderBufferCommit(ReorderBuffer *rb, TransactionId xid,`
`1577`	`1577`	`Relationrelation=NULL;`
`1578`	`1578`	`Oidreloid;`
`1579`	`1579`
	`1580`	`+CHECK_FOR_INTERRUPTS();`
	`1581`	`+`
`1580`	`1582`	`switch (change->action)`
`1581`	`1583`	`{`
`1582`	`1584`	`caseREORDER_BUFFER_CHANGE_INTERNAL_SPEC_CONFIRM:`

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