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https://issues.apache.org/jira/browse/CALCITE-2893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Haisheng Yuan resolved CALCITE-2893.
------------------------------------
Resolution: Fixed
Fix Version/s: 1.20.0
Resolved by patch in https://issues.apache.org/jira/browse/CALCITE-2004
> Type mismatch assertion error when creating join condition
> ----------------------------------------------------------
>
> Key: CALCITE-2893
> URL: https://issues.apache.org/jira/browse/CALCITE-2893
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Fix For: 1.20.0
>
>
> Repro:
> in TableFunctionTest.java, add the following test case:
> {code:java}
> @Test public void testValuesLateralJoin() {
> final String q1 = "select *\n"
> + "from (values 4) as t (c)\n"
> + "left join lateral table(\"s\".\"fibonacci2\"(c)) as R(n) on c=n";
> with()
> .with(CalciteConnectionProperty.CONFORMANCE,
> SqlConformanceEnum.LENIENT)
> .query(q1)
> .returnsUnordered("C=4; N=null");
> }
> {code}
> Error message:
> {code:java}
> java.lang.AssertionError: type mismatch:
> ref:
> BIGINT NOT NULL
> input:
> BIGINT
> at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
> at org.apache.calcite.plan.RelOptUtil.eq(RelOptUtil.java:1832)
> at org.apache.calcite.rex.RexChecker.visitInputRef(RexChecker.java:125)
> at org.apache.calcite.rex.RexChecker.visitInputRef(RexChecker.java:57)
> at org.apache.calcite.rex.RexInputRef.accept(RexInputRef.java:112)
> at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:140)
> at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:57)
> at org.apache.calcite.rex.RexCall.accept(RexCall.java:190)
> at org.apache.calcite.rel.core.Filter.isValid(Filter.java:120)
> at
> org.apache.calcite.rel.logical.LogicalFilter.<init>(LogicalFilter.java:70)
> at
> org.apache.calcite.rel.logical.LogicalFilter.create(LogicalFilter.java:114)
> at
> org.apache.calcite.rel.logical.LogicalFilter.create(LogicalFilter.java:101)
> at
> org.apache.calcite.rel.core.RelFactories$FilterFactoryImpl.createFilter(RelFactories.java:295)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.createJoin(SqlToRelConverter.java:2413)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2065)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:644)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:625)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3080)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:561)
> {code}
> Even literal is definitely not null, we should still be able to compare the
> two.
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