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Posted to user-zh@flink.apache.org by 丁浩浩 <18...@163.com> on 2020/11/10 07:36:15 UTC

flink cdc 当mysql表字段修改之后提示没有找到这个字段

当mysql表字段修改之后，再用flink cdc接入，当使用到这个表的时候会提示字段不存在。
Exception in thread "main" org.apache.flink.table.api.ValidationException: SQL validation failed. From line 53, column 15 to line 53, column 20: Column 'rounds' not found in table 'prcrs'
	at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:146)
	at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.validate(FlinkPlannerImpl.scala:108)
	at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:185)
	at org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78)
	at org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:664)
	at com.gaotu.data.performance.flink.job.sql.RegularAnalysis.main(RegularAnalysis.java:234)
Caused by: org.apache.calcite.runtime.CalciteContextException: From line 53, column 15 to line 53, column 20: Column 'rounds' not found in table 'prcrs'
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:457)
	at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:839)
	at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:824)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:5089)
	at org.apache.calcite.sql.validate.DelegatingScope.fullyQualify(DelegatingScope.java:439)
	at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:5991)
	at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:5976)
	at org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:321)
	at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:134)
	at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:101)
	at org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:884)
	at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visitScoped(SqlValidatorImpl.java:6009)
	at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:50)
	at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:33)
	at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
	at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:134)
	at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:101)
	at org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:884)
	at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visitScoped(SqlValidatorImpl.java:6009)
	at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:50)
	at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:33)
	at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.expand(SqlValidatorImpl.java:5583)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3312)
	at org.apache.flink.table.planner.calcite.FlinkCalciteSqlValidator.validateJoin(FlinkCalciteSqlValidator.java:86)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3247)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3302)
	at org.apache.flink.table.planner.calcite.FlinkCalciteSqlValidator.validateJoin(FlinkCalciteSqlValidator.java:86)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3247)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3510)
	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:1110)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3256)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3238)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3510)
	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:1110)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084)
	at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:1059)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:766)
	at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:141)
	... 5 more
Caused by: org.apache.calcite.sql.validate.SqlValidatorException: Column 'rounds' not found in table 'prcrs'
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:457)
	at org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:550)
	... 49 more

Re: flink cdc 当mysql表字段修改之后提示没有找到这个字段

Posted by Jark Wu <im...@gmail.com>.
Flink SQL 是结构化的 query 语言，目前做不到 schema 自动变更。
所以如果你的 mysql 源的 schema 变更了，那么需要重新定义 Flink DDL，然后重启 Flink SQL 的作业。

On Tue, 10 Nov 2020 at 15:37, 丁浩浩 <18...@163.com> wrote:

> 当mysql表字段修改之后，再用flink cdc接入，当使用到这个表的时候会提示字段不存在。
> Exception in thread "main" org.apache.flink.table.api.ValidationException:
> SQL validation failed. From line 53, column 15 to line 53, column 20:
> Column 'rounds' not found in table 'prcrs'
>         at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org
> $apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:146)
>         at
> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.validate(FlinkPlannerImpl.scala:108)
>         at
> org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:185)
>         at
> org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78)
>         at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:664)
>         at
> com.gaotu.data.performance.flink.job.sql.RegularAnalysis.main(RegularAnalysis.java:234)
> Caused by: org.apache.calcite.runtime.CalciteContextException: From line
> 53, column 15 to line 53, column 20: Column 'rounds' not found in table
> 'prcrs'
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>         at
> org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:457)
>         at
> org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:839)
>         at
> org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:824)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:5089)
>         at
> org.apache.calcite.sql.validate.DelegatingScope.fullyQualify(DelegatingScope.java:439)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:5991)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:5976)
>         at
> org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:321)
>         at
> org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:134)
>         at
> org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:101)
>         at
> org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:884)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visitScoped(SqlValidatorImpl.java:6009)
>         at
> org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:50)
>         at
> org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:33)
>         at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
>         at
> org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:134)
>         at
> org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:101)
>         at
> org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:884)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visitScoped(SqlValidatorImpl.java:6009)
>         at
> org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:50)
>         at
> org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:33)
>         at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.expand(SqlValidatorImpl.java:5583)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3312)
>         at
> org.apache.flink.table.planner.calcite.FlinkCalciteSqlValidator.validateJoin(FlinkCalciteSqlValidator.java:86)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3247)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3302)
>         at
> org.apache.flink.table.planner.calcite.FlinkCalciteSqlValidator.validateJoin(FlinkCalciteSqlValidator.java:86)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3247)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3510)
>         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:1110)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3256)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3238)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3510)
>         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:1110)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084)
>         at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:1059)
>         at
> org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:766)
>         at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org
> $apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:141)
>         ... 5 more
> Caused by: org.apache.calcite.sql.validate.SqlValidatorException: Column
> 'rounds' not found in table 'prcrs'
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>         at
> org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:457)
>         at
> org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:550)
>         ... 49 more
>
>
>