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https://issues.apache.org/jira/browse/CALCITE-5668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Sysolyatin updated CALCITE-5668:
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Summary: When parsing SQL in PostgreSQL dialect, allow unquoted table names
to contain dollar sign, letters with diacritical marks and non-Latin letters
(was: When parsing SQL in PostgreSQL dialect, allow unquoted table names to
contain dollar sign)
> When parsing SQL in PostgreSQL dialect, allow unquoted table names to contain
> dollar sign, letters with diacritical marks and non-Latin letters
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-5668
> URL: https://issues.apache.org/jira/browse/CALCITE-5668
> Project: Calcite
> Issue Type: Bug
> Components: babel
> Affects Versions: 1.34.0
> Reporter: Dmitry Sysolyatin
> Priority: Major
>
> According PostgreSQL documentation [1]:
> ??SQL identifiers and key words must begin with a letter (a-z, but also
> letters with diacritical marks and non-Latin letters) or an underscore (_).
> Subsequent characters in an identifier or key word can be letters,
> underscores, digits (0-9), or dollar signs ($).??
> To implement it, I suggest using the same approach as in CALCITE-4246.
> [1]
> https://www.postgresql.org/docs/15/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
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