Aleksey Plekhanov created IGNITE-23684:
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Summary: Calcite engine. Lack of date/number formatting funtions
Key: IGNITE-23684
URL: https://issues.apache.org/jira/browse/IGNITE-23684
Project: Ignite
Issue Type: Improvement
Reporter: Aleksey Plekhanov
Assignee: Aleksey Plekhanov
In the Calcite SQL engine we don't have any date/time/number formating
function, and date/time/number parsing functions with custom format.
H2 engine has TO_DATE, TO_CHAR, TO_NUMBER (Oracle compatible) and own
FORMATDATETIME, PARSEDATETIME.
Apache Calcite has TO_DATE and TO_CHAR functions in internal library, but not
exposed to our SQL engine now. Also it supports CAST(... AS DATE FORMAT ...),
but we also don't support this syntax.
Both TO_DATE and CAST-FORMAT are not part of SQL standard, but, perhaps it's
better to implement TO_DATE (also TO_CHAR, TO_NUMBER) for compatibility with H2
engine.
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