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https://issues.apache.org/jira/browse/CALCITE-5067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514243#comment-17514243
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Julian Hyde commented on CALCITE-5067:
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Have you tried using the Babel parser? It has fewer reserved keywords.
> Support using "LANGUAGE" as a variable name (like MySQL)
> --------------------------------------------------------
>
> Key: CALCITE-5067
> URL: https://issues.apache.org/jira/browse/CALCITE-5067
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Adolfo Ochagavía
> Priority: Minor
>
> In MySQL it is possible to use "LANGUAGE" as a variable name. The example
> below shows the difference between language (treated as a variable) and other
> keywords (which raise a syntax error):
> {code:java}
> mysql> SELECT LANGUAGE;
> ERROR 1054 (42S22): Unknown column 'LANGUAGE' in 'field list'
> mysql> SELECT ALTER;
> ERROR 1064 (42000): You have an error in your SQL syntax; check the manual
> that corresponds to your MySQL server version for the right syntax to use
> near 'ALTER' at line 1{code}
> In other words, it would be great if the following code succeeded instead of
> throwing an exception:
> {code:java}
> var config = SqlParser.config().withLex(Lex.MYSQL);
> var parser = SqlParser.create("SELECT foo", config);
> var node = parser.parseQuery();{code}
> See, for context, [this
> thread|https://lists.apache.org/thread/lnln25csnbs9yqlskjq2pnqx3f1rdfw5].
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