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authorTom Lane <tgl@sss.pgh.pa.us>2022-12-01 11:38:06 -0500
committerTom Lane <tgl@sss.pgh.pa.us>2022-12-01 11:38:15 -0500
commitde0ff6088e324f5f879c070e3369bc7ad8136b1b (patch)
treec6316f8022bfd119d99abb9027a9e35786e32cb7 /src/backend/executor/nodeModifyTable.c
parentcf9bcb0f0421af15d7b9bebe00c8cf649bee399d (diff)
downloadpostgresql-de0ff6088e324f5f879c070e3369bc7ad8136b1b.tar.gz
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Fix under-parenthesized display of AT TIME ZONE constructs.
In commit 40c24bfef, I forgot to use get_rule_expr_paren() for the arguments of AT TIME ZONE, resulting in possibly not printing parens for expressions that need it. But get_rule_expr_paren() wouldn't have gotten it right anyway, because isSimpleNode() hadn't been taught that COERCE_SQL_SYNTAX parent nodes don't guarantee sufficient parentheses. Improve all that. Also use this methodology for F_IS_NORMALIZED, so that we don't print useless parens for that. In passing, remove a comment that was obsoleted later. Per report from Duncan Sands. Back-patch to v14 where this code came in. (Before that, we didn't try to print AT TIME ZONE that way, so there was no bug just ugliness.) Discussion: https://postgr.es/m/f41566aa-a057-6628-4b7c-b48770ecb84a@deepbluecap.com
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