Xu Mingmin created BEAM-2161:
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Summary: add support String functions
Key: BEAM-2161
URL: https://issues.apache.org/jira/browse/BEAM-2161
Project: Beam
Issue Type: Task
Components: dsl-sql
Reporter: Xu Mingmin
All functions are listed as below:
{code}
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)
{code}
see
https://calcite.apache.org/docs/reference.html#character-string-operators-and-functions
for more information.
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