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Revert "Handle better implicit transaction state of pipeline mode"

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This reverts commit d77f91214f on all stable branches, due to concerns
regarding the compatility side effects this could create in a minor
release.  The change still exists on HEAD.

Discussion: https://postgr.es/m/CA+TgmoZqRgeFTg4+Yf_CMRRXiHuNz1u6ZC4FvVk+rxw0RmOPnw@mail.gmail.com
Backpatch-through: 13
This commit is contained in:
Michael Paquier
2024-11-28 09:43:26 +09:00
parent 0f13e1a78b
commit 3aae60c851
4 changed files with 23 additions and 184 deletions
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18
src/backend/tcop/postgres.c
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@ -2732,17 +2732,6 @@ start_xact_command(void)
xact_started = true;
}
else if (MyXactFlags & XACT_FLAGS_PIPELINING)
{
/*
* When the first Execute message is completed, following commands
* will be done in an implicit transaction block created via
* pipelining. The transaction state needs to be updated to an
* implicit block if we're not already in a transaction block (like
* one started by an explicit BEGIN).
*/
BeginImplicitTransactionBlock();
}
/*
* Start statement timeout if necessary. Note that this'll intentionally
@ -4791,13 +4780,6 @@ PostgresMain(int argc, char *argv[],
case 'S': /* sync */
pq_getmsgend(&input_message);
/*
* If pipelining was used, we may be in an implicit
* transaction block. Close it before calling
* finish_xact_command.
*/
EndImplicitTransactionBlock();
finish_xact_command();
send_ready_for_query = true;
break;