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Refactor GetOldestXmin() to use flags

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Replace ignoreVacuum parameter with more flexible flags.

Author: Eiji Seki
Review: Haribabu Kommi
This commit is contained in:
Simon Riggs
2017-03-22 16:51:01 +00:00
parent 49bff5300d
commit af4b1a0869
10 changed files with 44 additions and 23 deletions
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2
src/backend/commands/analyze.c
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@@ -1000,7 +1000,7 @@ acquire_sample_rows(Relation onerel, int elevel,
totalblocks = RelationGetNumberOfBlocks(onerel);
/* Need a cutoff xmin for HeapTupleSatisfiesVacuum */
OldestXmin = GetOldestXmin(onerel, true);
OldestXmin = GetOldestXmin(onerel, PROCARRAY_FLAGS_VACUUM);
/* Prepare for sampling block numbers */
BlockSampler_Init(&bs, totalblocks, targrows, random());

4
src/backend/commands/vacuum.c
View File

@@ -527,7 +527,7 @@ vacuum_set_xid_limits(Relation rel,
* always an independent transaction.
*/
*oldestXmin =
TransactionIdLimitedForOldSnapshots(GetOldestXmin(rel, true), rel);
TransactionIdLimitedForOldSnapshots(GetOldestXmin(rel, PROCARRAY_FLAGS_VACUUM), rel);
Assert(TransactionIdIsNormal(*oldestXmin));
@@ -939,7 +939,7 @@ vac_update_datfrozenxid(void)
* committed pg_class entries for new tables; see AddNewRelationTuple().
* So we cannot produce a wrong minimum by starting with this.
*/
newFrozenXid = GetOldestXmin(NULL, true);
newFrozenXid = GetOldestXmin(NULL, PROCARRAY_FLAGS_VACUUM);
/*
* Similarly, initialize the MultiXact "min" with the value that would be