Stamatis Zampetakis created CALCITE-5040:
--------------------------------------------
Summary:
SqlTypeFactoryTest.testUnknownCreateWithNullabilityTypeConsistency fails
Key: CALCITE-5040
URL: https://issues.apache.org/jira/browse/CALCITE-5040
Project: Calcite
Issue Type: Bug
Reporter: Stamatis Zampetakis
Fix For: 1.30.0
When run during the build ({{./gradlew clean build}}) the test fails
intermittently but when it is executed individually it always fails.
{code:bash}
./gradlew cleanTest :core:test --tests
SqlTypeFactoryTest.testUnknownCreateWithNullabilityTypeConsistency
{code}
Stacktrace
{noformat}
java.lang.AssertionError:
Expected: is an instance of
org.apache.calcite.sql.type.SqlTypeFactoryImpl$UnknownSqlType
but: <UNKNOWN> is a org.apache.calcite.sql.type.BasicSqlType
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:6)
at
org.apache.calcite.sql.type.SqlTypeFactoryTest.testUnknownCreateWithNullabilityTypeConsistency(SqlTypeFactoryTest.java:296)
{noformat}
Due to type canonization in
[RelDataTypeFactory|https://github.com/apache/calcite/blob/170035fd97df1afdd0c0a499f63e0ca1606f7837/core/src/main/java/org/apache/calcite/rel/type/RelDataTypeFactoryImpl.java#L405]
the class of the created type is not the expected one.
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