Fix duckdb & sqlite character_length scalar unparsing #13428
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* Fix duckdb & sqlite character_length scalar unparsing * Add comments * Update CharacterLengthStyle::SQLStandard to CharacterLengthExtractStyle::CharacterLength
alamb
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Nov 15, 2024
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Thanks @Sevenannn -- looks good to me
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Which issue does this PR close?
N/A
Rationale for this change
When unparsing
CharacterLengthFuncscalar function to DuckDB & SQLite syntax SQL query, theCharacterLengthFuncscalar function need to be unparsed tolength, sincelengthis the equivalence ofCharacterLengthFuncin DuckDB & SQLite.DuckDB length()
SQLite length()
What changes are included in this PR?
DuckDBDialect, which implements theDialecttraitcharacter_length_styleforDialecttrait for determining theCharacterLengthStyleto use for a dialectcharacter_length_to_sql, which unparses theCharacterLengthFunctolengthorcharacter_lengthbased onCharacterLengthStyleAre these changes tested?
Yes
Are there any user-facing changes?
No