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Remove direct uses of ItemPointer.{ip_blkid,ip_posid}

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There are no functional changes here; this simply encapsulates knowledge
of the ItemPointerData struct so that a future patch can change things
without more breakage.

All direct users of ip_blkid and ip_posid are changed to use existing
macros ItemPointerGetBlockNumber and ItemPointerGetOffsetNumber
respectively.  For callers where that's inappropriate (because they
Assert that the itempointer is is valid-looking), add
ItemPointerGetBlockNumberNoCheck and ItemPointerGetOffsetNumberNoCheck,
which lack the assertion but are otherwise identical.

Author: Pavan Deolasee
Discussion: https://postgr.es/m/CABOikdNnFon4cJiL=h1mZH3bgUeU+sWHuU4Yr8AB=j3A2p1GiA@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2017-03-28 12:52:55 -03:00
parent a99f77021f
commit ce96ce60ca
12 changed files with 79 additions and 58 deletions
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2
contrib/pgstattuple/pgstattuple.c
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@ -356,7 +356,7 @@ pgstat_heap(Relation rel, FunctionCallInfo fcinfo)
* heap_getnext may find no tuples on a given page, so we cannot
* simply examine the pages returned by the heap scan.
*/
tupblock = BlockIdGetBlockNumber(&tuple->t_self.ip_blkid);
tupblock = ItemPointerGetBlockNumber(&tuple->t_self);
while (block <= tupblock)
{