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  1. Beam
  2. BEAM-2161

add support String functions

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    Description

      All functions are listed as below:

      string || string
      CHAR_LENGTH(string)
      CHARACTER_LENGTH(string)
      UPPER(string)
      LOWER(string)
      POSITION(string1 IN string2)
      POSITION(string1 IN string2 FROM integer)
      TRIM( { BOTH | LEADING | TRAILING } string1 FROM string2)
      OVERLAY(string1 PLACING string2 FROM integer [ FOR integer2 ])
      SUBSTRING(string FROM integer)
      SUBSTRING(string FROM integer FOR integer)
      INITCAP(string)
      

      see https://calcite.apache.org/docs/reference.html#character-string-operators-and-functions for more information.

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              xumingming James Xu
              mingmxu Mingmin Xu
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                Updated:
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