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https://issues.apache.org/jira/browse/CALCITE-4716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-4716:
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Labels: pull-request-available (was: )
> ClassCastException converting SARG in RelNode to SQL
> ----------------------------------------------------
>
> Key: CALCITE-4716
> URL: https://issues.apache.org/jira/browse/CALCITE-4716
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The stacktrace is the following:
> {noformat}
> class org.apache.calcite.rex.RexLocalRef cannot be cast to class
> org.apache.calcite.rex.RexLiteral (org.apache.calcite.rex.RexLocalRef and
> org.apache.calcite.rex.RexLiteral are in unnamed module of loader 'app')
> java.lang.ClassCastException: class org.apache.calcite.rex.RexLocalRef cannot
> be cast to class org.apache.calcite.rex.RexLiteral
> (org.apache.calcite.rex.RexLocalRef and org.apache.calcite.rex.RexLiteral are
> in unnamed module of loader 'app')
> at
> org.apache.calcite.rel.rel2sql.SqlImplementor$Context.toSql(SqlImplementor.java:695)
> at
> org.apache.calcite.rel.rel2sql.SqlImplementor$Context.toSql(SqlImplementor.java:597)
> ...
> {noformat}
> The relevant expressions in the Calc operator are the following:
> {code}
> ...expr#5=[Sarg[(10..11]]], expr#6=[SEARCH($t0, $t5)]...
> {code}
> The current code in {{SqlImplementor}} considers the second argument to
> SEARCH is always a RexLiteral:
> {code}
> ...
> case SEARCH:
> final RexCall search = (RexCall) rex;
> literal = (RexLiteral) search.operands.get(1);
> final Sarg sarg = castNonNull(literal.getValueAs(Sarg.class));
> //noinspection unchecked
> return toSql(program, search.operands.get(0), literal.getType(),
> sarg);
> ...
> {code}
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