[jira] [Closed] (FLINK-7558) Improve SQL ValidationException message.

["sunjincheng (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-7558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sunjincheng closed FLINK-7558.
------------------------------
      Resolution: Fixed
    Release Note: Fixed in e6fddbc3e5bdb42764191990ac29ba382bbe6016

> 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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