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https://issues.apache.org/jira/browse/CALCITE-3632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stamatis Zampetakis resolved CALCITE-3632.
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Fix Version/s: 1.22.0
Resolution: Fixed
Fixed in
[5ddded14bf510edec83c007a3bad89cda9ff2935|https://github.com/apache/calcite/commit/5ddded14bf510edec83c007a3bad89cda9ff2935].
Thanks for the PR [~xzh_dz]!
> Add IntersectToIntersectUnifyRule in SubstitutionVisitor
> --------------------------------------------------------
>
> Key: CALCITE-3632
> URL: https://issues.apache.org/jira/browse/CALCITE-3632
> Project: Calcite
> Issue Type: Wish
> Reporter: xzh_dz
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> when i run those code as below, i got some error messages.
> {code:java}
> //MaterializationTest
> @Test public void testJoinToJoin0() {
> String mv = ""
> + "select \"deptno\" from\n"
> + "\"emps\" intersect select \"deptno\" from \"depts\"";
> String query = ""
> + "select \"deptno\" from\n"
> + "\"depts\" intersect select \"deptno\" from \"emps\"";
> checkMaterialize(mv, query, true);
> }
> {code}
> java.lang.AssertionError:
> Expected: a string containing "EnumerableTableScan(table=[[hr, m0]])"
> but: was "PLAN=EnumerableCalc(expr#0..1=[{inputs}], expr#2=[2:BIGINT],
> expr#3=[=($t1, $t2)], deptno=[$t0], $condition=[$t3])\n
> EnumerableAggregate(group=[{0}], agg#0=[COUNT()])\n
> EnumerableUnion(all=[true])\n EnumerableAggregate(group=[{0}],
> agg#0=[COUNT()])\n EnumerableTableScan(table=[[hr, depts]])\n
> EnumerableAggregate(group=[{1}], agg#0=[COUNT()])\n
> EnumerableTableScan(table=[[hr, emps]])\n\n"
> <Click to see difference>
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:6)
> at
> org.apache.calcite.test.CalciteAssert.lambda$checkResultContains$7(CalciteAssert.java:429)
> at
> org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:544)
> at
> org.apache.calcite.test.CalciteAssert$AssertQuery.lambda$returns$1(CalciteAssert.java:1514)
> at
> org.apache.calcite.test.CalciteAssert$AssertQuery.withConnection(CalciteAssert.java:1446)
> at
> org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1512)
> at
> org.apache.calcite.test.CalciteAssert$AssertQuery.explainMatches(CalciteAssert.java:1609)
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