[jira] [Closed] (CALCITE-5123) Calcite errors on columns starting with a digit

["Laurens Versluis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-5123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Laurens Versluis closed CALCITE-5123.
-------------------------------------
    Resolution: Workaround

> Calcite errors on columns starting with a digit
> -----------------------------------------------
>
>                 Key: CALCITE-5123
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5123
>             Project: Calcite
>          Issue Type: Bug
>         Environment: Calcite 1.30.0 on Java 11. Ran the example PySpark using Python 3.9 with Spark 3.1.2
>            Reporter: Laurens Versluis
>            Priority: Major
>         Attachments: image-2022-04-28-09-41-03-535.png
>
>
> Not sure if this is related solely to Spark:
>  
> Parsing the following query errors in Calcite:
> {code:java}
> public static void main(String[] args) throws SqlParseException {
>     String sqlQuery = "SELECT a AS 1a FROM FakeTable";
>     SqlParser.create(sqlQuery, SparkSqlDialect.DEFAULT.configureParser(SqlParser.config())).parseQuery();
> } {code}
> {noformat}
> Exception in thread "main" org.apache.calcite.sql.parser.SqlParseException: Encountered "1" at line 1, column 13.
> {noformat}
> However, Spark does accept such queries:
> !image-2022-04-28-09-41-03-535.png!



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