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Posted to dev@calcite.apache.org by "Haisheng Yuan (JIRA)" <ji...@apache.org> on 2019/03/24 03:25:00 UTC
[jira] [Created] (CALCITE-2947) Type mismatch assertion error when
converting NOT IN subquery
Haisheng Yuan created CALCITE-2947:
--------------------------------------
Summary: Type mismatch assertion error when converting NOT IN subquery
Key: CALCITE-2947
URL: https://issues.apache.org/jira/browse/CALCITE-2947
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Haisheng Yuan
Repro:
Add the following test to SqlToRelConverterTest.java.
{code:java}
@Test public void testSubQueryNotIN() {
final String sql = "select deptno\n"
+ "from EMP e\n"
+ "where deptno not in (select deptno\n"
+ "from EMP where empno=e.empno)";
sql(sql).ok();
}
{code}
Error:
{code:java}
java.lang.AssertionError: type mismatch:
ref:
INTEGER NOT NULL
input:
INTEGER
at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
at org.apache.calcite.plan.RelOptUtil.eq(RelOptUtil.java:1832)
at org.apache.calcite.rex.RexChecker.visitInputRef(RexChecker.java:125)
at org.apache.calcite.rex.RexChecker.visitInputRef(RexChecker.java:57)
at org.apache.calcite.rex.RexInputRef.accept(RexInputRef.java:112)
at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:140)
at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:57)
at org.apache.calcite.rex.RexCall.accept(RexCall.java:191)
at org.apache.calcite.rel.core.Filter.isValid(Filter.java:120)
at org.apache.calcite.rel.logical.LogicalFilter.<init>(LogicalFilter.java:70)
at org.apache.calcite.rel.logical.LogicalFilter.create(LogicalFilter.java:114)
at org.apache.calcite.rel.logical.LogicalFilter.create(LogicalFilter.java:101)
at org.apache.calcite.rel.core.RelFactories$FilterFactoryImpl.createFilter(RelFactories.java:300)
at org.apache.calcite.sql2rel.SqlToRelConverter.createJoin(SqlToRelConverter.java:2433)
{code}
If we change not in subquery to in subquery, it can run without error.
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