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Move remaining code from tqual.[ch] to heapam.h / heapam_visibility.c.

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Given these routines are heap specific, and that there will be more
generic visibility support in via table AM, it makes sense to move the
prototypes to heapam.h (routines like HeapTupleSatisfiesVacuum will
not be exposed in a generic fashion, because they are too storage
specific).

Similarly, the code in tqual.c is specific to heap, so moving it into
access/heap/ makes sense.

Author: Andres Freund
Discussion: https://postgr.es/m/20180703070645.wchpu5muyto5n647@alap3.anarazel.de
This commit is contained in:
Andres Freund
2019-01-21 17:03:15 -08:00
parent b7eda3e0e3
commit c91560defc
32 changed files with 65 additions and 101 deletions
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src/backend/commands/async.c
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@ -1955,7 +1955,7 @@ asyncQueueProcessPageEntries(volatile QueuePosition *current,
* Note that we must test XidInMVCCSnapshot before we test
* TransactionIdDidCommit, else we might return a message from
* a transaction that is not yet visible to snapshots; compare
* the comments at the head of tqual.c.
* the comments at the head of heapam_visibility.c.
*
* Also, while our own xact won't be listed in the snapshot,
* we need not check for TransactionIdIsCurrentTransactionId