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e117cfb2f6
This patch introduces the '--enable-two-phase' option to the 'pg_createsubscriber' utility, allowing users to enable two-phase commit for all subscriptions during their creation. Note that even without this option users can enable the two_phase option for the subscriptions created by pg_createsubscriber. However, it requires the subscription to be disabled first which could be inconvenient for users. When two-phase commit is enabled, prepared transactions are sent to the subscriber at the time of 'PREPARE TRANSACTION', and they are processed as two-phase transactions on the subscriber as well. If disabled, prepared transactions are sent only when committed and are processed immediately by the subscriber. Author: Shubham Khanna <khannashubham1197@gmail.com> Reviewed-by: vignesh C <vignesh21@gmail.com> Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com> Reviewed-by: Peter Smith <smithpb2250@gmail.com> Reviewed-by: Ajin Cherian <itsajin@gmail.com> Reviewed-by: Amit Kapila <amit.kapila16@gmail.com> Discussion: https://postgr.es/m/CAHv8RjLPdFP=kA5LNSmWZ=+GMXmO+LczvV6p9HJjsXxZz10KGA@mail.gmail.com