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https://issues.apache.org/jira/browse/CALCITE-826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652560#comment-14652560
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Julian Hyde commented on CALCITE-826:
-------------------------------------
[~jcamachorodriguez], The code looks good, but I get a bunch of
StackOverflowErrors during the test suite:
{noformat}
at
org.apache.calcite.rel.core.RelFactories$ProjectFactoryImpl.createProject(RelFactories.java:116)
at
org.apache.calcite.plan.RelOptUtil.createProject(RelOptUtil.java:2741)
at
org.apache.calcite.plan.RelOptUtil.createProject(RelOptUtil.java:2693)
at
org.apache.calcite.plan.RelOptUtil.createProject(RelOptUtil.java:2621)
at
org.apache.calcite.rel.core.RelFactories$ProjectFactoryImpl.createProject(RelFactories.java:116)
at
org.apache.calcite.plan.RelOptUtil.createProject(RelOptUtil.java:2741)
at
org.apache.calcite.plan.RelOptUtil.createProject(RelOptUtil.java:2693)
at
org.apache.calcite.plan.RelOptUtil.createProject(RelOptUtil.java:2621)
{noformat}
JdbcTest.testAggregateEmpty is one example.
> Use ProjectFactory in RelOptUtil.pushDownJoinConditions
> -------------------------------------------------------
>
> Key: CALCITE-826
> URL: https://issues.apache.org/jira/browse/CALCITE-826
> Project: Calcite
> Issue Type: Bug
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Fix For: 1.4.0-incubating
>
>
> RelOptUtil.pushDownJoinConditions is called in FilterJoinRule; it might
> create Project operators, but a ProjectFactory parameter is not provided.
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