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Rename ShmemVariableCache to TransamVariables

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The old name was misleading: It's not a cache, the values kept in the
struct are the authoritative source.

Reviewed-by: Tristan Partin, Richard Guo
Discussion: https://www.postgresql.org/message-id/6537d63d-4bb5-46f8-9b5d-73a8ba4720ab@iki.fi
This commit is contained in:
Heikki Linnakangas
2023-12-08 09:47:15 +02:00
parent 15916ffb04
commit b31ba5310b
18 changed files with 172 additions and 175 deletions
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2
src/include/storage/standby.h
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@@ -80,7 +80,7 @@ typedef struct RunningTransactionsData
int xcnt; /* # of xact ids in xids[] */
int subxcnt; /* # of subxact ids in xids[] */
bool subxid_overflow; /* snapshot overflowed, subxids missing */
TransactionId nextXid; /* xid from ShmemVariableCache->nextXid */
TransactionId nextXid; /* xid from TransamVariables->nextXid */
TransactionId oldestRunningXid; /* *not* oldestXmin */
TransactionId latestCompletedXid; /* so we can set xmax */

2
src/include/storage/standbydefs.h
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@@ -49,7 +49,7 @@ typedef struct xl_running_xacts
int xcnt; /* # of xact ids in xids[] */
int subxcnt; /* # of subxact ids in xids[] */
bool subxid_overflow; /* snapshot overflowed, subxids missing */
TransactionId nextXid; /* xid from ShmemVariableCache->nextXid */
TransactionId nextXid; /* xid from TransamVariables->nextXid */
TransactionId oldestRunningXid; /* *not* oldestXmin */
TransactionId latestCompletedXid; /* so we can set xmax */