Timo Walther created FLINK-5662: ----------------------------------- Summary: Alias in front of output fails Key: FLINK-5662 URL: https://issues.apache.org/jira/browse/FLINK-5662 Project: Flink Issue Type: Bug Components: Table API & SQL Reporter: Timo Walther
Neither of the following snippets works: {code} public static void main(String[] args) throws Exception { final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); DataSet<String> text = ... BatchTableEnvironment tEnv = TableEnvironment.getTableEnvironment(env); // Table t = tEnv.fromDataSet(text, "text").select("text AS line"); // Table t = tEnv.fromDataSet(text, "text").as("line"); Table t = tEnv.fromDataSet(text, "text").select("text AS line").select("line AS line"); tEnv.toDataSet(t, MyPojo.class).print(); } public static class MyPojo { public String line; } {code} {code} Exception in thread "main" org.apache.flink.table.api.TableException: POJO does not define field name: text at org.apache.flink.table.typeutils.TypeConverter$$anonfun$2.apply(TypeConverter.scala:85) at org.apache.flink.table.typeutils.TypeConverter$$anonfun$2.apply(TypeConverter.scala:81) at scala.collection.immutable.List.foreach(List.scala:318) at org.apache.flink.table.typeutils.TypeConverter$.determineReturnType(TypeConverter.scala:81) at org.apache.flink.table.plan.nodes.dataset.BatchScan.convertToExpectedType(BatchScan.scala:69) at org.apache.flink.table.plan.nodes.dataset.DataSetScan.translateToPlan(DataSetScan.scala:61) at org.apache.flink.table.api.BatchTableEnvironment.translate(BatchTableEnvironment.scala:305) at org.apache.flink.table.api.BatchTableEnvironment.translate(BatchTableEnvironment.scala:289) at org.apache.flink.table.api.java.BatchTableEnvironment.toDataSet(BatchTableEnvironment.scala:146) at groupId.WordCount.main(WordCount.java:67) 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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:147) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)