Roger Shi created CALCITE-1924:
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Summary: Support operator "+" as string concat operator
Key: CALCITE-1924
URL: https://issues.apache.org/jira/browse/CALCITE-1924
Project: Calcite
Issue Type: Improvement
Reporter: Roger Shi
Assignee: Julian Hyde
Priority: Minor
Current the following sql is not supported.
select 'A' + 'B' + 'C';
We get the exception:
Error while executing SQL "select 'A' + 'B' + 'C'": From line 1, column 8 to
line 1, column 16: Cannot apply '+' to arguments of type '<CHAR(1)> +
<CHAR(1)>'. Supported form(s): '<NUMERIC> + <NUMERIC>'
'<DATETIME_INTERVAL> + <DATETIME_INTERVAL>'
'<DATETIME> + <DATETIME_INTERVAL>'
'<DATETIME_INTERVAL> + <DATETIME>' (state=,code=0)
In this JIRA, I'll fix this by supporting operator "+" as string concat
operator.
Similar to https://issues.apache.org/jira/browse/CALCITE-1374 and
https://issues.apache.org/jira/browse/CALCITE-1897 .
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