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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2020/03/02 21:20:00 UTC
[jira] [Updated] (CALCITE-3839) After calling RelBuilder.aggregate,
groupKey field is not found
[ https://issues.apache.org/jira/browse/CALCITE-3839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Hyde updated CALCITE-3839:
---------------------------------
Summary: After calling RelBuilder.aggregate, groupKey field is not found (was: Can't get group field by name: "field [ENAME] not found;")
> After calling RelBuilder.aggregate, groupKey field is not found
> ---------------------------------------------------------------
>
> Key: CALCITE-3839
> URL: https://issues.apache.org/jira/browse/CALCITE-3839
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.22.0
> Reporter: Anton Haidai
> Assignee: Julian Hyde
> Priority: Major
>
> The regression is spotted in 1.22.0 RC 3. The test works fine in 1.21.0 branch.
> RelBuilderTest:
> {code}
> @Test public void testGetGroupFieldByName() {
> final Function<RelBuilder, RelNode> f = builder -> {
> RelBuilder aggregated = builder.scan("EMP")
> .project(builder.field("EMPNO"), builder.field("ENAME"), builder.field("SAL"))
> .aggregate(
> builder.groupKey(builder.field("ENAME")),
> builder.sum(builder.field("SAL"))
> );
> RexInputRef groupFieldReference = aggregated.field("ENAME");
> assertThat(groupFieldReference.getIndex(), is(0));
> return aggregated.build();
> };
> final String expected =
> "LogicalAggregate(group=[{1}], agg#0=[SUM($2)])\n" +
> " LogicalProject(EMPNO=[$0], ENAME=[$1], SAL=[$5])\n" +
> " LogicalTableScan(table=[[scott, EMP]])\n";
> assertThat(f.apply(createBuilder(c -> c)), hasTree(expected));
> }
> {code}
> Error (1.22.0 RC 3):
> {code}
> field [ENAME] not found; input fields are: [EMPNO, $f1]
> java.lang.IllegalArgumentException: field [ENAME] not found; input fields are: [EMPNO, $f1]
> at org.apache.calcite.tools.RelBuilder.field(RelBuilder.java:402)
> at org.apache.calcite.tools.RelBuilder.field(RelBuilder.java:385)
> at org.apache.calcite.test.RelBuilderTest.lambda$testGetGroupFieldByName$15(RelBuilderTest.java:990)
> at org.apache.calcite.test.RelBuilderTest.testGetGroupFieldByName(RelBuilderTest.java:999)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> {code}
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