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https://issues.apache.org/jira/browse/CALCITE-7231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18031302#comment-18031302
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Mihai Budiu commented on CALCITE-7231:
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Looks like TypeCoercion.inOperationCoercion is completely broken for ROW types.
> Validator crashes with AssertionFailure on query with ROW and IN
> ----------------------------------------------------------------
>
> Key: CALCITE-7231
> URL: https://issues.apache.org/jira/browse/CALCITE-7231
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.40.0
> Reporter: Mihai Budiu
> Priority: Minor
>
> Here is a simple SqlValidatorTest which causes an assertion failure:
> {code:java}
> final String sql = "WITH t(x) AS (VALUES(ROW(ROW(1)))) SELECT x in (x)
> FROM t";
> sql(sql).ok();
> {code}
> This is the stack trace:
> {code}
> java.lang.AssertionError
> at
> org.apache.calcite.sql.validate.implicit.AbstractTypeCoercion.needToCast(AbstractTypeCoercion.java:309)
> at
> org.apache.calcite.sql.validate.implicit.AbstractTypeCoercion.coerceOperandType(AbstractTypeCoercion.java:119)
> at
> org.apache.calcite.sql.validate.implicit.TypeCoercionImpl.inOperationCoercion(TypeCoercionImpl.java:562)
> at
> org.apache.calcite.sql.fun.SqlInOperator.deriveType(SqlInOperator.java:156)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:7070)
> at
> org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:7057)
> {code}
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