好的 谢谢答疑 我这边尝试把时间字段设置成processTime的时候就好使了 抽空是看看源码分析下
在 2021年8月4日 21:01，Shengkai Fang<fskm...@gmail.com> 写道：
我发现换成流模式下，这个问题就解了。批的模式下，应该不需要定义watermark。这里看样子是有一个 bug 存在的，建议去社区建一个jira。
yanyunpeng <yanyunp...@rockontrol.com> 于2021年8月4日周三 下午5:42写道： > Exception in
thread "main" org.apache.flink.table.api.ValidationException: > Ordering must
be defined on a time attribute. > at >
org.apache.flink.table.planner.expressions.PlannerTypeInferenceUtilImpl.validateArguments(PlannerTypeInferenceUtilImpl.java:111)
> at >
org.apache.flink.table.planner.expressions.PlannerTypeInferenceUtilImpl.runTypeInference(PlannerTypeInferenceUtilImpl.java:69)
> at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule$ResolvingCallVisitor.runLegacyTypeInference(ResolveCallByArgumentsRule.java:249)
> at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule$ResolvingCallVisitor.lambda$visit$2(ResolveCallByArgumentsRule.java:160)
> at java.util.Optional.orElseGet(Optional.java:267) > at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule$ResolvingCallVisitor.visit(ResolveCallByArgumentsRule.java:160)
> at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule$ResolvingCallVisitor.visit(ResolveCallByArgumentsRule.java:94)
> at >
org.apache.flink.table.expressions.ApiExpressionVisitor.visit(ApiExpressionVisitor.java:37)
> at >
org.apache.flink.table.expressions.UnresolvedCallExpression.accept(UnresolvedCallExpression.java:126)
> at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule$ResolvingCallVisitor.visit(ResolveCallByArgumentsRule.java:143)
> at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule$ResolvingCallVisitor.visit(ResolveCallByArgumentsRule.java:94)
> at >
org.apache.flink.table.expressions.ApiExpressionVisitor.visit(ApiExpressionVisitor.java:37)
> at >
org.apache.flink.table.expressions.UnresolvedCallExpression.accept(UnresolvedCallExpression.java:126)
> at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule.lambda$apply$0(ResolveCallByArgumentsRule.java:88)
> at >
java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:269) > at
>
java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) > at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at >
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) > at
java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) > at
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566) > at >
org.apache.flink.table.expressions.resolver.rules.ResolveCallByArgumentsRule.apply(ResolveCallByArgumentsRule.java:89)
> at >
org.apache.flink.table.expressions.resolver.ExpressionResolver.lambda$null$2(ExpressionResolver.java:235)
> at java.util.function.Function.lambda$andThen$1(Function.java:88) > at >
org.apache.flink.table.expressions.resolver.ExpressionResolver.resolve(ExpressionResolver.java:198)
> at >
org.apache.flink.table.operations.utils.OperationTreeBuilder.projectInternal(OperationTreeBuilder.java:194)
> at >
org.apache.flink.table.operations.utils.OperationTreeBuilder.project(OperationTreeBuilder.java:183)
> at >
org.apache.flink.table.api.internal.TableImpl$OverWindowedTableImpl.select(TableImpl.java:956)
> at com.rk.linkdata.flink.BatchFlinkTask.main(BatchFlinkTask.java:44) > > > >
> Flink 版本1.13.0 > > > 在 2021年8月4日 17:37，Shengkai Fang<fskm...@gmail.com> 写道： >
> > 能发一下具体的异常栈吗？是哪个版本？ yanyunpeng <yanyunp...@rockontrol.com> 于2021年8月4日周三 >
下午2:47写道： > Table table = tableEnv > .from("t_yyp_test") > >
.window(Over.partitionBy($("f_h"), $("f_l"), $("f_j")) > >
.orderBy($("f_time")) > .preceding("unbounded_range") > >
.following(CURRENT_RANGE) > .as("w")) > .select($("f_value"), > $("f_h"), > >
$("f_l"), > $("f_j"), > $("f_value").avg().over($("w")), > >
$("f_value").varPop().over($("w")), > > $("f_value").stddevPop().over($("w")));
> 也是一样的 > Exception in thread > "main"
org.apache.flink.table.api.ValidationException: > Ordering must be > defined on
a time attribute. > > 在 2021年8月4日 14:34，Caizhi Weng< > tsreape...@gmail.com>
写道： > > > Hi！ order by 的字段是 f_time_bak，但是 watermark > 的字段是 f_time，这两个不一致。
yanyunpeng < > yanyunp...@rockontrol.com> > 于2021年8月4日周三 下午2:30写道： > 代码如下： > >
EnvironmentSettings bbSettings = > > >
EnvironmentSettings.newInstance().useBlinkPlanner().inBatchMode().build(); > >
> TableEnvironment tableEnv = TableEnvironment.create(bbSettings); > > >
tableEnv.executeSql("CREATE TABLE t_yyp_test (\n" + > " f_id INT,\n" + > " > >
f_h STRING,\n" + > " f_l STRING,\n" + > " f_j STRING,\n" + > " f_value > >
DOUBLE,\n" + > " f_time TIMESTAMP(3)\n, " + > " f_time_bak TIMESTAMP(3)\n, > >
" + > " PRIMARY KEY (f_id) NOT ENFORCED,\n" + > " WATERMARK FOR f_time AS > >
f_time \n" + > ") WITH (\n" + > " 'connector' = 'jdbc',\n" + > " 'url' = > >
'jdbc:mysql://***',\n" + > " 'table-name' = '123',\n" + > " 'username' = > >
'123',\n" + > " 'password' = '123'\n" + > ")"); > > >
tableEnv.registerFunction("GaussianFunction", new GaussianFunction()); > > >
Table table = tableEnv > .from("t_yyp_test") > > >
.window(Over.partitionBy($("f_h"), $("f_l"), $("f_j")) > > >
.orderBy($("f_time_bak")) > .preceding("unbounded_range") > > >
.following(CURRENT_RANGE) > .as("w")) > .select($("f_h"), > $("f_l"), > > >
$("f_j"), > $("f_value").avg().over($("w")), > > >
$("f_value").varPop().over($("w")), > > >
$("f_value").stddevPop().over($("w"))); > > > 已经定义了eventTime > >
使用eventTIme或者别的时间字段排序都报错 > > > Exception in thread "main" > >
org.apache.flink.table.api.ValidationException: > Ordering must be defined > >
on a time attribute. > > > 请问这是什么原因
