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https://issues.apache.org/jira/browse/SOLR-15579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Potter resolved SOLR-15579.
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Fix Version/s: 8.10
main (9.0)
Resolution: Fixed
> SQL WHERE filter with 20 or more values in the IN clause results in no
> filtering on that field
> ----------------------------------------------------------------------------------------------
>
> Key: SOLR-15579
> URL: https://issues.apache.org/jira/browse/SOLR-15579
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Parallel SQL
> Reporter: Timothy Potter
> Assignee: Timothy Potter
> Priority: Major
> Labels: RobustSQL
> Fix For: main (9.0), 8.10
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Calcite has a default threshold of 20 for the number of values in an {{IN}}
> clause. If this threshold is reached, then Calcite transforms the IN clause
> into an inline table + sub-query which is not handled by {{SolrFilter}}, so
> that filter clause gets dropped from the resulting query to Solr, see:
> https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java#L1143
> The easiest solution is to update the
> {{config.withInSubQueryThreshold(Integer.MAX_VALUE)}}
> I think we should also explore how to work with the sub-query against the
> inline table if possible.
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