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https://issues.apache.org/jira/browse/FLINK-25727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
luoyuxia resolved FLINK-25727.
------------------------------
Resolution: Fixed
> Flink SQL convert constant string to char type which cause hive udtf
> json_tuple not work
> ----------------------------------------------------------------------------------------
>
> Key: FLINK-25727
> URL: https://issues.apache.org/jira/browse/FLINK-25727
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Hive
> Affects Versions: 1.14.2
> Environment: Flink 1.14.2
> Hive 2.3.9
> Reporter: syntomic
> Priority: Not a Priority
> Labels: features, pull-request-available
> Attachments: image-2022-01-20-17-44-58-478.png
>
>
> Flink SQL(use default dialect) is:
> {code:java}
> SELECT
> a.`log`,
> b.`role_id`
> FROM
> tmp_kafka a, lateral table(json_tuple(`log`, 'role_id')) AS b(`role_id`);
> {code}
> Exception is:
> {code:java}
> org.apache.flink.table.api.ValidationException: SQL validation failed.
> java.lang.reflect.InvocationTargetException
> at
> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:164)
> at
> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.validate(FlinkPlannerImpl.scala:107)
> at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:215)
> at
> org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:101)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:716)
> at
> org.apache.zeppelin.flink.sql.AbstractStreamSqlJob.run(AbstractStreamSqlJob.java:106)
> at
> org.apache.zeppelin.flink.FlinkStreamSqlInterpreter.callInnerSelect(FlinkStreamSqlInterpreter.java:86)
> at
> org.apache.zeppelin.flink.FlinkSqlInterpreter.callSelect(FlinkSqlInterpreter.java:494)
> at
> org.apache.zeppelin.flink.FlinkSqlInterpreter.callCommand(FlinkSqlInterpreter.java:257)
> at
> org.apache.zeppelin.flink.FlinkSqlInterpreter.runSqlList(FlinkSqlInterpreter.java:151)
> at
> org.apache.zeppelin.flink.FlinkSqlInterpreter.internalInterpret(FlinkSqlInterpreter.java:109)
> at
> org.apache.zeppelin.interpreter.AbstractInterpreter.interpret(AbstractInterpreter.java:55)
> at
> org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:110)
> at
> org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:860)
> at
> org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:752)
> at org.apache.zeppelin.scheduler.Job.run(Job.java:172)
> at
> org.apache.zeppelin.scheduler.AbstractScheduler.runJob(AbstractScheduler.java:132)
> at
> org.apache.zeppelin.scheduler.ParallelScheduler.lambda$runJobInScheduler$0(ParallelScheduler.java:46)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.RuntimeException:
> java.lang.reflect.InvocationTargetException
> at
> org.apache.flink.table.planner.functions.utils.HiveFunctionUtils.invokeGetResultType(HiveFunctionUtils.java:83)
> at
> org.apache.flink.table.planner.functions.utils.HiveTableSqlFunction.getRowType(HiveTableSqlFunction.java:116)
> at
> org.apache.flink.table.planner.functions.utils.TableSqlFunction$$anon$1.inferReturnType(TableSqlFunction.scala:89)
> at
> org.apache.calcite.sql.validate.ProcedureNamespace.validateImpl(ProcedureNamespace.java:69)
> at
> org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:997)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:975)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3085)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3070)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3133)
> at
> org.apache.flink.table.planner.calcite.FlinkCalciteSqlValidator.validateJoin(FlinkCalciteSqlValidator.java:117)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3076)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3335)
> at
> org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60)
> at
> org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:997)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:975)
> at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:952)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:704)
> at
> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:159)
> ... 20 more
> Caused by: java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.flink.table.planner.functions.utils.HiveFunctionUtils.invokeGetResultType(HiveFunctionUtils.java:76)
> ... 40 more
> Caused by: org.apache.flink.table.functions.hive.FlinkHiveUDFException:
> org.apache.hadoop.hive.ql.exec.UDFArgumentException: json_tuple()'s arguments
> have to be string type
> at
> org.apache.flink.table.functions.hive.HiveGenericUDTF.getHiveResultType(HiveGenericUDTF.java:146)
> ... 45 more
> Caused by: org.apache.hadoop.hive.ql.exec.UDFArgumentException:
> json_tuple()'s arguments have to be string type
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDTFJSONTuple.initialize(GenericUDTFJSONTuple.java:118)
> at
> org.apache.flink.table.functions.hive.HiveGenericUDTF.getHiveResultType(HiveGenericUDTF.java:144)
> ... 45 more
> {code}
>
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