Thread: pgsql: Revert "Handle better implicit transaction state of pipeline mod

Revert "Handle better implicit transaction state of pipeline mode"

This reverts commit d77f91214fb7 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

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/24da0e761837fc0c0ef5733519595c848e5fe280

Modified Files
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doc/src/sgml/protocol.sgml        | 21 ++++++++++-----------
src/backend/access/transam/xact.c | 13 +++++++++++++
src/backend/tcop/postgres.c       | 18 ------------------
3 files changed, 23 insertions(+), 29 deletions(-)