Laurent Goujon created CALCITE-3216: ---------------------------------------
Summary: ClassCastException when running window function over union Key: CALCITE-3216 URL: https://issues.apache.org/jira/browse/CALCITE-3216 Project: Calcite Issue Type: Bug Components: core Reporter: Laurent Goujon I discovered an issue in Calcite execution engine which can be captured by this simple query: {code:sql} select *, count(*) over (partition by "id") from ( select "id" from (VALUES(CAST(1 AS TINYINT))) "foo"("id") union select "id" from (VALUES(2)) "foo"("id")) {code} When running this query using JdbcTest for example, I got the following stacktrace: {noformat} Caused by: java.lang.ClassCastException: java.lang.Byte cannot be cast to java.lang.Integer at Baz$3.apply(ANONYMOUS.java:55) at org.apache.calcite.linq4j.DefaultEnumerable.foreach(DefaultEnumerable.java:77) at Baz.bind(Baz.java:43) at org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:355) at org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:316) at org.apache.calcite.jdbc.CalciteMetaImpl._createIterable(CalciteMetaImpl.java:506) at org.apache.calcite.jdbc.CalciteMetaImpl.createIterable(CalciteMetaImpl.java:497) at org.apache.calcite.avatica.AvaticaResultSet.execute(AvaticaResultSet.java:182) at org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:64) at org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:1) at org.apache.calcite.avatica.AvaticaConnection$1.execute(AvaticaConnection.java:667) at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:566) at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:675) at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156) {noformat} -- This message was sent by Atlassian JIRA (v7.6.14#76016)