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https://issues.apache.org/jira/browse/CALCITE-5410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jess Balint closed CALCITE-5410.
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Resolved in release 1.33.0 (2023-02-06)
> Assertion error on PERCENT_REMAINDER operator with DECIMAL type
> ---------------------------------------------------------------
>
> Key: CALCITE-5410
> URL: https://issues.apache.org/jira/browse/CALCITE-5410
> Project: Calcite
> Issue Type: Bug
> Reporter: Aleksey Plekhanov
> Assignee: Aleksey Plekhanov
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.33.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Queries like:
> {code:java}
> SELECT 1.0 % 2 {code}
> Fail on planning with:
> {noformat}
> java.lang.AssertionError: Conversion to relational algebra failed to preserve
> datatypes:
> validated type:
> RecordType(INTEGER NOT NULL EXPR$0) NOT NULL
> converted type:
> RecordType(DECIMAL(2, 1) NOT NULL EXPR$0) NOT NULL
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.checkConvertedType(SqlToRelConverter.java:494)
> at
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:609)
> at
> org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:257){noformat}
> It happens because {{PERCENT_REMAINDER}} operator replaced with {{MOD}}
> operator by {{StandardConvertletTable}} and these two operators have
> different return-type inference settings. So, different types are inferenced
> at SQL validation phase and SqlToRel converter phase.
>
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