[jira] [Resolved] (CALCITE-5114) SqlParseException for Spark's "corr" function

["Julian Hyde (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-5114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde resolved CALCITE-5114.
----------------------------------
    Resolution: Duplicate

{{CORR}} is a reserved keyword because standard SQL (since 2014) has had a CORR function. CALCITE-1776 is logged to implement it and there's even a pull request from [~snuyanzin].

Closing as duplicate.

> SqlParseException for Spark's "corr" function
> ---------------------------------------------
>
>                 Key: CALCITE-5114
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5114
>             Project: Calcite
>          Issue Type: Bug
>         Environment: Running Calcite 1.30.0 with Java 11.
>            Reporter: Laurens Versluis
>            Priority: Blocker
>
> When parsing a string that contains Spark's "corr" function, Calcite will throw a SqlParseException.
>  
> Minimal reproducible example:
> {code:java}
> import org.apache.calcite.sql.dialect.SparkSqlDialect;
> import org.apache.calcite.sql.parser.SqlParseException;
> import org.apache.calcite.sql.parser.SqlParser;
> class Scratch {
>     public static void main(String[] args) throws SqlParseException {
>         // Example SQL provided by spark, see https://spark.apache.org/docs/latest/api/sql/#corr
>         String sqlQuery = "SELECT corr(c1, c2) FROM VALUES (3, 2), (3, 3), (6, 4) as tab(c1, c2);";
>         SqlParser.create(sqlQuery, SparkSqlDialect.DEFAULT.configureParser(SqlParser.config())).parseQuery();
>     }
> } {code}
> Output:
> {noformat}
> Exception in thread "main" org.apache.calcite.sql.parser.SqlParseException: Encountered "corr" at line 1, column 8.{noformat}



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