1

Example query: SELECT empid as 3_e FROM EMP;

Error:

Exception: org.apache.calcite.sql.parser.SqlParseException: Encountered "3" at line 1, column 17.
Was expecting one of:
    <QUOTED_STRING> ...
    <BRACKET_QUOTED_IDENTIFIER> ...
    <QUOTED_IDENTIFIER> ...
    <BACK_QUOTED_IDENTIFIER> ...
    <BIG_QUERY_BACK_QUOTED_IDENTIFIER> ...
    <HYPHENATED_IDENTIFIER> ...
    <IDENTIFIER> ...
    <UNICODE_QUOTED_IDENTIFIER> ...

If I update the query to remove digit from the column alias the query is getting parsed

Updated query - SELECT empid as e FROM EMP

Does calcite support digits in the column or column alias name?

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