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doc: More documentation on regular expressions and SQL standard

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Reviewed-by: Gilles Darold <gilles@darold.net>
Discussion: https://www.postgresql.org/message-id/b7988566-daa2-80ed-2fdc-6f6630462d26@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2021-12-20 10:12:25 +01:00
parent b1c169caf0
commit 222b697ec0
2 changed files with 88 additions and 13 deletions
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src/backend/catalog/sql_features.txt
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@ -323,11 +323,11 @@ F821 Local table references NO
F831 Full cursor update NO
F831 Full cursor update 01 Updatable scrollable cursors NO
F831 Full cursor update 02 Updatable ordered cursors NO
F841 LIKE_REGEX predicate NO
F842 OCCURRENCES_REGEX function NO
F843 POSITION_REGEX function NO
F844 SUBSTRING_REGEX function NO
F845 TRANSLATE_REGEX function NO
F841 LIKE_REGEX predicate NO consider regexp_like()
F842 OCCURRENCES_REGEX function NO consider regexp_matches()
F843 POSITION_REGEX function NO consider regexp_instr()
F844 SUBSTRING_REGEX function NO consider regexp_substr()
F845 TRANSLATE_REGEX function NO consider regexp_replace()
F846 Octet support in regular expression operators NO
F847 Nonconstant regular expressions NO
F850 Top-level <order by clause> in <query expression> YES