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  1. Hive
  2. HIVE-23177

Upgrade to ANTLR4

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
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    Description

      Upgrade Hive to ANTL4, ANTLR3 lost support many moons ago.

      This is going to be a big lift. Many of the Hive rules use the "rule rewrite" feature which no longer exists in ANLTR4 and it must be completely re-implemented:

      https://stackoverflow.com/questions/14565794/antlr-4-tree-inject-rewrite-operator

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          incorporates

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-27077 upgrade hive grammar to Antlr4

          • Major - Major loss of function.
          • Open
          is related to

          Bug - A problem which impairs or prevents the functions of the product. HIVE-23857 Fix HiveParser "code too large" problem

          • Major - Major loss of function.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-28226 Split Replication Commands from HiveParser.g

          • Major - Major loss of function.
          • Resolved
          supercedes

          Bug - A problem which impairs or prevents the functions of the product. HIVE-15577 Simplify current parser

          • Major - Major loss of function.
          • Open

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              Unassigned Unassigned
              belugabehr David Mollitor
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              Dates

                Created:
                Updated: