Lim Qing Wei created FLINK-28365:
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Summary: TO_TIMESTAMP lose precision beyond seconds
Key: FLINK-28365
URL: https://issues.apache.org/jira/browse/FLINK-28365
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Affects Versions: 1.16.0, 1.15
Reporter: Lim Qing Wei
Fix For: 1.16.0, 1.15
The TO_TIMESTAMP function in Flink SQL seems to have a regression.
It loses the precision after seconds, for example
{code:java}
TO_TIMESTAMP('2020-01-01 15:35:00.123456'){code}
returns 2020-01-01 15:35:00.123 in the resulting SQL AST, note that the last 3
digit are missing.{color:#067d17}
{color}
I think this started in 1.15.x, because I have code in 1.14 that preserve the
precision as I expect.
Do you agree this is a bug?
PS: The documentation isn't very comprehensive:
https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/functions/systemfunctions/
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