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https://issues.apache.org/jira/browse/CALCITE-5040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liya Fan closed CALCITE-5040.
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Resolved in release 1.30.0 (2022-03-20)
> SqlTypeFactoryTest.testUnknownCreateWithNullabilityTypeConsistency fails
> ------------------------------------------------------------------------
>
> Key: CALCITE-5040
> URL: https://issues.apache.org/jira/browse/CALCITE-5040
> Project: Calcite
> Issue Type: Bug
> Reporter: Stamatis Zampetakis
> Assignee: Julian Hyde
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.30.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> 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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