[pull] master from postgres:master #1188
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A test has been added to ensure that conflict-relevant data is not prematurely removed when a concurrent prepared transaction is being committed on the publisher. This test introduces an injection point that simulates the presence of a prepared transaction in the commit phase, validating that the system correctly delays conflict slot advancement until the transaction is fully committed. Additionally, the test serves as a safeguard for developers, ensuring that the acquisition of the commit timestamp does not occur before marking DELAY_CHKPT_IN_COMMIT in RecordTransactionCommitPrepared. Reported-by: Robert Haas <robertmhaas@gmail.com> Author: Zhijie Hou <houzj.fnst@fujitsu.com> Reviewed-by: shveta malik <shveta.malik@gmail.com> Reviewed-by: Amit Kapila <amit.kapila16@gmail.com> Discussion: https://postgr.es/m/OS9PR01MB16913F67856B0DA2A909788129400A@OS9PR01MB16913.jpnprd01.prod.outlook.com
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