Commit4614669

Alexander Korotkov

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Fix bug in 64-bit xids.

Set xmax to heap tuple after setting infromask.Previously, multixid could be messed up with normal xid.

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Original file line number	Diff line number	Diff line change
`@@ -4442,9 +4442,9 @@ heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,`
`4442`	`4442`	`HeapTupleClearHotUpdated(&oldtup);`
`4443`	`4443`	`/* ... and store info about transaction updating this tuple */`
`4444`	`4444`	`Assert(TransactionIdIsValid(xmax_lock_old_tuple));`
`4445`		`-HeapTupleSetXmax(&oldtup,xmax_lock_old_tuple);`
`4446`	`4445`	`oldtup.t_data->t_infomask \|=infomask_lock_old_tuple;`
`4447`	`4446`	`oldtup.t_data->t_infomask2 \|=infomask2_lock_old_tuple;`
	`4447`	`+HeapTupleSetXmax(&oldtup,xmax_lock_old_tuple);`
`4448`	`4448`	`HeapTupleHeaderSetCmax(oldtup.t_data,cid,iscombo);`
`4449`	`4449`
`4450`	`4450`	`/* temporarily make it look not-updated, but locked */`

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