[ https://issues.apache.org/jira/browse/CALCITE-6353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated CALCITE-6353: ------------------------------------ Labels: pull-request-available (was: ) > Optimization CoreRules.PROJECT_REDUCE_EXPRESSIONS crashes while optimizing > ARRAY_CONCAT expression > -------------------------------------------------------------------------------------------------- > > Key: CALCITE-6353 > URL: https://issues.apache.org/jira/browse/CALCITE-6353 > Project: Calcite > Issue Type: Bug > Components: core > Affects Versions: 1.36.0 > Reporter: Mihai Budiu > Priority: Minor > Labels: pull-request-available > > The following RelOptRulesTest > {code:java} > @Test void testArrayConcat() { > final String sql = "select array_concat(ARRAY [1, 2], ARRAY [3, 4])"; > sql(sql).withFactory( > t -> t.withOperatorTable( > opTab -> > SqlLibraryOperatorTableFactory.INSTANCE.getOperatorTable( > SqlLibrary.STANDARD, SqlLibrary.BIG_QUERY))) > .withRule(CoreRules.PROJECT_REDUCE_EXPRESSIONS) > .check(); > } > {code} > crashes with the following stack trace: > {code:java} > java.lang.RuntimeException: While compiling [ARRAY_CONCAT(ARRAY(1, 2), > ARRAY(3, 4))] > at org.apache.calcite.rex.RexExecutable.compile(RexExecutable.java:73) > at org.apache.calcite.rex.RexExecutable.<init>(RexExecutable.java:53) > at > org.apache.calcite.rex.RexExecutorImpl.reduce(RexExecutorImpl.java:145) > at > org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressionsInternal(ReduceExpressionsRule.java:774) > at > org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressions(ReduceExpressionsRule.java:714) > {code} > It seems that the generated code passed to Janino is invalid: > Line 10, Column 5: Assignment conversion not possible from type > "java.util.ArrayList" to type "java.lang.Object[]" > org.codehaus.commons.compiler.CompileException: Line 10, Column 5: Assignment > conversion not possible from type "java.util.ArrayList" to type > "java.lang.Object[]" -- This message was sent by Atlassian Jira (v8.20.10#820010)