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https://issues.apache.org/jira/browse/FLINK-36636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-36636:
-----------------------------------
Labels: pull-request-available (was: )
> Timestamp data can not be compared in cdc pipeline transform
> ------------------------------------------------------------
>
> Key: FLINK-36636
> URL: https://issues.apache.org/jira/browse/FLINK-36636
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Affects Versions: cdc-3.2.0
> Reporter: Wenkai Qi
> Priority: Major
> Labels: pull-request-available
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Timestamp data can not be compared in cdc pipeline transform.
> When projecting or filtering code containing timestamp comparisons, the
> program will encounter errors.
> {code:java}
> TO_TIMESTAMP('2024-01-01 00:00:00') < TO_TIMESTAMP('2024-08-01 00:00:00')
> {code}
> Error:
> {code:java}
> org.apache.flink.api.common.InvalidProgramException: Expression cannot be
> compiled. This is a bug. Please file an issue.
> Expression: import static
> org.apache.flink.cdc.runtime.functions.SystemFunctionUtils.*;toTimestamp("2024-01-01
> 00:00:00", __time_zone__) < toTimestamp("2024-08-01 00:00:00",
> __time_zone__) ? 1 : 0
> ...
> ...
> Caused by: org.codehaus.commons.compiler.CompileException: Line 1, Column
> 176: Operator "<" not allowed on reference operands {code}
> There is currently a method that can be temporarily replaced, but I believe
> it is not in line with user habits.
> {code:java}
> TIMESTAMP_DIFF('SECOND',TO_TIMESTAMP('2024-01-01 00:00:00') ,
> TO_TIMESTAMP('2024-08-01 00:00:00')) > 0 {code}
> Do we need to support comparing timestamps through relational operators, such
> as
> {code:java}
> > >= < <= {code}
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