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Rename (new|old)estCommitTs to (new|old)estCommitTsXid

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The variables newestCommitTs and oldestCommitTs sound as if they are
timestamps, but in fact they are the transaction Ids that correspond
to the newest and oldest timestamps rather than the actual timestamps.
Rename these variables to reflect that they are actually xids: to wit
newestCommitTsXid and oldestCommitTsXid respectively. Also modify
related code in a similar fashion, particularly the user facing output
emitted by pg_controldata and pg_resetxlog.

Complaint and patch by me, review by Tom Lane and Alvaro Herrera.
Backpatch to 9.5 where these variables were first introduced.
This commit is contained in:
Joe Conway
2015-12-28 12:35:16 -08:00
parent 5bf939411c
commit 282fdfcdc8
9 changed files with 68 additions and 68 deletions
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4
src/include/catalog/pg_control.h
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@ -46,9 +46,9 @@ typedef struct CheckPoint
MultiXactId oldestMulti; /* cluster-wide minimum datminmxid */
Oid oldestMultiDB; /* database with minimum datminmxid */
pg_time_t time; /* time stamp of checkpoint */
TransactionId oldestCommitTs; /* oldest Xid with valid commit
TransactionId oldestCommitTsXid; /* oldest Xid with valid commit
* timestamp */
TransactionId newestCommitTs; /* newest Xid with valid commit
TransactionId newestCommitTsXid; /* newest Xid with valid commit
* timestamp */
/*