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https://issues.apache.org/jira/browse/IGNITE-25313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maksim Zhuravkov resolved IGNITE-25313.
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Resolution: Fixed
Fixed in https://issues.apache.org/jira/browse/IGNITE-25317
> Sql. Time, Timestamp, Timestamp LTZ. Precision. CAST FORMAT confusing
> behaviour when translating milliseconds
> -------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-25313
> URL: https://issues.apache.org/jira/browse/IGNITE-25313
> Project: Ignite
> Issue Type: Bug
> Components: sql
> Reporter: Maksim Zhuravkov
> Priority: Major
> Labels: ignite-3
>
> 1. 100ms -> 1 ms caused by calcite's parser uses SimpleDateFormat that parses
> milliseconds this way.
> 2. parse operation completely loses milliseconds
> {noformat}
> // TIME
> SELECT CAST('12:00:00.1' AS TIME(3) FORMAT 'hh24:mi:ss.ff3');
> 12:00:00.001
> // milliseconds are lost
> SELECT CAST('12:00:00.1' AS TIME(2) FORMAT 'hh24:mi:ss.ff2');
> 12:00
> // milliseconds are lost
> SELECT CAST('12:00:00.1' AS TIME(1) FORMAT 'hh24:mi:ss.ff1');
> 12:00
> // TIMESTAMP
> // 100 ms -> 1 ms
> SELECT CAST('2020-05-01 12:00:00.1' AS TIMESTAMP(3) FORMAT 'yyyy-MM-dd
> hh24:mi:ss.ff3');
> 2020-05-01T12:00:00.001
> // milliseconds are lost
> SELECT CAST('2020-05-01 12:00:00.1' AS TIMESTAMP(2) FORMAT 'yyyy-MM-dd
> hh24:mi:ss.ff2');
> 2020-05-01T12:00
> // milliseconds are lost
> SELECT CAST('2020-05-01 12:00:00.1' AS TIMESTAMP(1) FORMAT 'yyyy-MM-dd
> hh24:mi:ss.ff1');
> 2020-05-01T12:00
> // TIMESTAMP LTZ
> // 100 ms -> 1 ms (calcite's formatter uses SimpleDateFormat)
> SELECT CAST('2020-05-01 12:00:00.1' AS TIMESTAMP(3) WITH LOCAL TIME ZONE
> FORMAT 'yyyy-MM-dd hh24:mi:ss.ff3');
> 2020-05-01T09:00:00.001Z
> SELECT CAST('2020-05-01 12:00:00.1' AS TIMESTAMP(2) WITH LOCAL TIME ZONE
> FORMAT 'yyyy-MM-dd hh24:mi:ss.ff2');
> 2020-05-01T09:00:00.001Z
> SELECT CAST('2020-05-01 12:00:00.1' AS TIMESTAMP(1) WITH LOCAL TIME ZONE
> FORMAT 'yyyy-MM-dd hh24:mi:ss.ff1');
> 2020-05-01T09:00:00.001Z
> {noformat}
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