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https://issues.apache.org/jira/browse/CALCITE-5130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-5130:
------------------------------------
Labels: pull-request-available (was: )
> AssertionError: "Conversion to relational algebra failed to preserve
> datatypes" when union VARCHAR literal and CAST(null AS INTEGER)
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-5130
> URL: https://issues.apache.org/jira/browse/CALCITE-5130
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.31.0
> Reporter: Yingyu Wang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 0: jdbc:calcite:model=src/test/resources/mode> select CAST(null AS INTEGER)
> union select '10';
> java.lang.AssertionError: Conversion to relational algebra failed to preserve
> datatypes:
> validated type:
> RecordType(VARCHAR NOT NULL EXPR$0) NOT NULL
> converted type:
> RecordType(VARCHAR EXPR$0) NOT NULL
> rel:
> LogicalUnion(all=[false])
> LogicalValues(tuples=[[\{ null }]])
> LogicalValues(tuples=[[\{ '10' }]])
>
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.checkConvertedType(SqlToRelConverter.java:487)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:602)
> at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:257)
> at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:220)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:648)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:514)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:484)
> at
> org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:234)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:623)
> at
> org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:674)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156)
> at
> org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:217)
> at sqlline.Commands.executeSingleQuery(Commands.java:1130)
> at sqlline.Commands.execute(Commands.java:1079)
> at sqlline.Commands.sql(Commands.java:1033)
> at sqlline.SqlLine.dispatch(SqlLine.java:822)
> at sqlline.SqlLine.begin(SqlLine.java:596)
> at sqlline.SqlLine.start(SqlLine.java:269)
> at sqlline.SqlLine.main(SqlLine.java:208)
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