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Posted to issues@calcite.apache.org by "Xurenhe (Jira)" <ji...@apache.org> on 2022/01/11 02:40:01 UTC

[jira] [Updated] (CALCITE-4980) Babel parser support MySQL NULL-safe equal operator '<=>'

     [ https://issues.apache.org/jira/browse/CALCITE-4980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xurenhe updated CALCITE-4980:
-----------------------------
    Summary: Babel parser support MySQL NULL-safe equal operator '<=>'  (was: Babel parser support MySQL equal operator '<=>')

> Babel parser support MySQL NULL-safe equal operator '<=>'
> ---------------------------------------------------------
>
>                 Key: CALCITE-4980
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4980
>             Project: Calcite
>          Issue Type: New Feature
>          Components: babel, core
>            Reporter: Xurenhe
>            Assignee: Xurenhe
>            Priority: Major
>
> Babel parser support MySQL equal operator '<=>'.
> Mysql link: [https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html#operator_equal-to]
>  
> {code:java}
> // test case
> @Test void testParseEqual()  {
>   final String sql = "select '1' <=> '2' from t";
>   final String expected = ""
>       + "SELECT 1' <=> '2'\n"
>       + "FROM `T`";
>   sql(sql).ok(expected);
> } {code}
> {code:java}
> // exception stack
>     java.lang.RuntimeException: Error while parsing SQL: select '1' <=> '2' from t
>         at org.apache.calcite.sql.parser.SqlParserTest$TesterImpl.parseStmtAndHandleEx(SqlParserTest.java:9704)
>         at org.apache.calcite.sql.parser.SqlParserTest$TesterImpl.check(SqlParserTest.java:9690)
>         at org.apache.calcite.sql.parser.SqlParserTest$Sql.ok(SqlParserTest.java:10047)
>         at org.apache.calcite.test.BabelParserTest.testParseEqual(BabelParserTest.java:246)
>         Caused by: java.lang.RuntimeException: org.apache.calcite.sql.parser.SqlParseException: Encountered "<= >" at line 1, column 12.
>         Was expecting one of: {code}
>  



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