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  1. Flink
  2. FLINK-10222

Table scalar function expression parses error when function name equals the exists keyword suffix

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      Description

      Suffix extraction in ExpressionParser.scala does not actually support extraction of keywords with the same prefix. For example: Adding suffix parsing rules for a.fun and a.function simultaneously will causes exceptions.

      some discussion : 

      https://github.com/apache/flink/pull/6432#issuecomment-416127815

      https://github.com/apache/flink/pull/6585#discussion_r212797015

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              • Assignee:
                yanghua vinoyang
                Reporter:
                yanghua vinoyang
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