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  1. Hive
  2. HIVE-20463

Hplsql.g4 - 'from_clause' parses the keyword `JOIN` into 'from_alias_clause' in 'from_table_clause' when parsing 'from_join_clause'

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    Details

    • Type: Bug
    • Status: Patch Available
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 3.1.0
    • Fix Version/s: 3.1.0
    • Component/s: CLI
    • Target Version/s:

      Description

      'from_clause' parses the keyword `JOIN` into 'from_alias_clause' in 'from_table_clause' when parsing 'from_join_clause'.

       

      example:

      Parse sql SELECT `k1, v1, k2, v2 FROM a JOIN b ON k1 = k2;`.

      Now grammar will parse `JOIN` as a `from_alias_clause`, but it should be
      a `from_join_clause`;

       

       

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