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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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Description:
According PostgreSQL documentation [1][2]:
??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 ($).??
Letters with diacritical marks and non-Latin letters are extended ascii letters
(character code 128-255 or in octal \200-\377)[3].
[1]
[https://www.postgresql.org/docs/15/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS]
[2] [https://github.com/postgres/postgres/blob/master/src/backend/parser/scan.l]
[3][https://learn.microsoft.com/zh-cn/office/vba/language/reference/user-interface-help/character-set-128255]
was:
According PostgreSQL documentation [1]:
??SQL identifiers and key words must begin with a letter (a-z, but also letters
with diacritical marks and non-Latin letters) or an underscore (_). Subsequent
characters in an identifier or key word can be letters, underscores, digits
(0-9), or dollar signs ($).??
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
> 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][2]:
> ??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 ($).??
> Letters with diacritical marks and non-Latin letters are extended ascii
> letters (character code 128-255 or in octal \200-\377)[3].
> [1]
> [https://www.postgresql.org/docs/15/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS]
> [2]
> [https://github.com/postgres/postgres/blob/master/src/backend/parser/scan.l]
> [3][https://learn.microsoft.com/zh-cn/office/vba/language/reference/user-interface-help/character-set-128255]
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