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Re-allow custom GUC names that have more than two components.

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

Wed, 2 Jun 2021 22:50:15 +0000 (18:50 -0400)

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

Wed, 2 Jun 2021 22:50:23 +0000 (18:50 -0400)

commit 2955c2be79b35fa369c83fa3b5f44661cb88afa9

tree 061cd7a9b9c0bedf03d43d34cd5edd11d213e256 tree

parent 8e03eb92e9ad54e2f1ed8b5a73617601f6262f81 commit | diff

Re-allow custom GUC names that have more than two components.

Commit 3db826bd5 disallowed this case, but it turns out that some
people are depending on it. Since the core grammar has allowed
it since 3dc37cd8d, it seems like this code should fall in line.

Per bug #17045 from Robert Sosinski.

Discussion: https://postgr.es/m/17045-6a4a9f0d1513f72b@postgresql.org

src/backend/utils/misc/guc.c diff | blob | blame | history

src/test/regress/expected/guc.out diff | blob | blame | history

src/test/regress/sql/guc.sql diff | blob | blame | history

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