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https://issues.apache.org/jira/browse/FLINK-7558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek reopened FLINK-7558:
-------------------------------------
Reopen to fix release note.
> Improve SQL ValidationException message.
> ----------------------------------------
>
> Key: FLINK-7558
> URL: https://issues.apache.org/jira/browse/FLINK-7558
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: sunjincheng
> Assignee: sunjincheng
>
> org.apache.flink.table.api.ValidationException: SQL validation failed.
> Operand types of could not be inferred. at
> org.apache.flink.table.calcite.FlinkPlannerImpl.validate(FlinkPlannerImpl.scala:91)
> at
> org.apache.flink.table.api.TableEnvironment.sql(TableEnvironment.scala:513)
> at
> com.alibaba.blink.scala.tool.util.SqlJobAdapter.dealInserts(SqlJobAdapter.java:292)
> at
> com.alibaba.blink.scala.tool.util.JobBuildHelper.buildSqlJob(JobBuildHelper.java:80)
> at com.alibaba.blink.scala.tool.JobLauncher.main(JobLauncher.java:138)
> Caused by: org.apache.flink.table.api.ValidationException: Operand types of
> could not be inferred. at
> org.apache.flink.table.functions.utils.ScalarSqlFunction$$anon$2$$anonfun$2.apply(ScalarSqlFunction.scala:110)
> at
> org.apache.flink.table.functions.utils.ScalarSqlFunction$$anon$2$$anonfun$2.apply(ScalarSqlFunction.scala:110)
> at scala.Option.getOrElse(Option.scala:121) at
> org.apache.flink.table.functions.utils.ScalarSqlFunction$$anon$2.inferOperandTypes(ScalarSqlFunction.scala:110)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.inferUnknownTypes(SqlValidatorImpl.java:1769)
> at
> ....
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