sunjincheng created FLINK-7558:
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Summary: 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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