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ReadNewTransactionId() -> ReadNextTransactionId().

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The new name conveys the effect better, is more consistent with similar
functions ReadNextMultiXactId(), ReadNextFullTransactionId(), and
matches the name of the variable that it reads.

Reported-by: Peter Geoghegan <pg@bowt.ie>
Discussion: https://postgr.es/m/CAH2-WzmVR4SakBXQUdhhPpMf1aYvZCnna5%3DHKa7DAgEmBAg%2B8g%40mail.gmail.com
This commit is contained in:
Thomas Munro
2021-02-15 13:03:10 +13:00
parent 8facf1ea00
commit c7ecd6af01
7 changed files with 14 additions and 14 deletions
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10
src/backend/commands/vacuum.c
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@ -1014,7 +1014,7 @@ vacuum_set_xid_limits(Relation rel,
* autovacuum_freeze_max_age / 2 XIDs old), complain and force a minimum
* freeze age of zero.
*/
safeLimit = ReadNewTransactionId() - autovacuum_freeze_max_age;
safeLimit = ReadNextTransactionId() - autovacuum_freeze_max_age;
if (!TransactionIdIsNormal(safeLimit))
safeLimit = FirstNormalTransactionId;
@ -1097,7 +1097,7 @@ vacuum_set_xid_limits(Relation rel,
* Compute XID limit causing a full-table vacuum, being careful not to
* generate a "permanent" XID.
*/
limit = ReadNewTransactionId() - freezetable;
limit = ReadNextTransactionId() - freezetable;
if (!TransactionIdIsNormal(limit))
limit = FirstNormalTransactionId;
@ -1314,7 +1314,7 @@ vac_update_relstats(Relation relation,
if (TransactionIdIsNormal(frozenxid) &&
pgcform->relfrozenxid != frozenxid &&
(TransactionIdPrecedes(pgcform->relfrozenxid, frozenxid) ||
TransactionIdPrecedes(ReadNewTransactionId(),
TransactionIdPrecedes(ReadNextTransactionId(),
pgcform->relfrozenxid)))
{
pgcform->relfrozenxid = frozenxid;
@ -1401,7 +1401,7 @@ vac_update_datfrozenxid(void)
* validly see during the scan. These are conservative values, but it's
* not really worth trying to be more exact.
*/
lastSaneFrozenXid = ReadNewTransactionId();
lastSaneFrozenXid = ReadNextTransactionId();
lastSaneMinMulti = ReadNextMultiXactId();
/*
@ -1577,7 +1577,7 @@ vac_truncate_clog(TransactionId frozenXID,
TransactionId lastSaneFrozenXid,
MultiXactId lastSaneMinMulti)
{
TransactionId nextXID = ReadNewTransactionId();
TransactionId nextXID = ReadNextTransactionId();
Relation relation;
TableScanDesc scan;
HeapTuple tuple;