Horton

Doc: add comments about PreventInTransactionBlock/IsInTransactionBlock.

Tom Lane <tgl@sss.pgh.pa.us>

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Commit: 8befa05d78892c3830efb4f356e1de562e4c6cb7
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2022-11-09T16:08:52Z
Releases: 14.7 
Doc: add comments about PreventInTransactionBlock/IsInTransactionBlock.

Add a little to the header comments for these functions to make it
clearer what guarantees about commit behavior are provided to callers.
(See commit f92944137 for context.)

Although this is only a comment change, it's really documentation
aimed at authors of extensions, so it seems appropriate to back-patch.

Yugo Nagata and Tom Lane, per further discussion of bug #17434.

Discussion: https://postgr.es/m/17434-d9f7a064ce2a88a3@postgresql.org

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PathChange+/−
src/backend/access/transam/xact.c modified +8 −0

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