database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-08-28 18:48:04 +03:00
Code Activity

Clarify docs on hot standby lock release

Browse Source 
Andres Freund and Simon Riggs
This commit is contained in:
Simon Riggs
2012-11-13 15:56:28 -03:00
parent 8805ff6580
commit f66e7ab6db
2 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/backend/storage/ipc/procarray.c
View File

@@ -1565,6 +1565,11 @@ ProcArrayInstallImportedXmin(TransactionId xmin, TransactionId sourcexid)
* We don't worry about updating other counters, we want to keep this as
* simple as possible and leave GetSnapshotData() as the primary code for
* that bookkeeping.
*
* Note that if any transaction has overflowed its cached subtransactions
* then there is no real need include any subtransactions. That isn't a
* common enough case to worry about optimising the size of the WAL record,
* and we may wish to see that data for diagnostic purposes anyway.
*/
RunningTransactions
GetRunningTransactionData(void)