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Re-allow underscore as first character of custom GUC names.

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

2022年2月23日 16:10:46 +0000 (11:10 -0500)

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

2022年2月23日 16:10:46 +0000 (11:10 -0500)

commit bd74c4037c4ee268db46e983bcc0f1e0a9f7ab72

tree c203ad19d9e9751bbf6fc91ed37662e2bc9714d0 tree

parent 0475a97f744d2fea3676b2e69405d20358eac07a commit | diff

Re-allow underscore as first character of custom GUC names.

Commit 3db826bd5 intended that valid_custom_variable_name's
rules for valid identifiers match those of scan.l. However,
I (tgl) had some kind of brain fade and put "_" in the wrong
list.

Fix by Japin Li, per bug #17415 from Daniel Polski.

Discussion: https://postgr.es/m/17415-ebdb683d7e09a51c@postgresql.org

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

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