gianm commented on a change in pull request #9545: SQL support for joins on
subqueries.
URL: https://github.com/apache/druid/pull/9545#discussion_r395918968
##########
File path:
sql/src/main/java/org/apache/druid/sql/calcite/rel/DruidQueryRel.java
##########
@@ -34,22 +34,14 @@
import org.apache.druid.java.util.common.guava.Sequence;
import org.apache.druid.sql.calcite.table.DruidTable;
-import javax.annotation.Nonnull;
import java.util.Set;
/**
* DruidRel that operates on top of a {@link DruidTable} directly (no joining
or subqueries).
*/
public class DruidQueryRel extends DruidRel<DruidQueryRel>
{
- // Factors used for computing cost (see computeSelfCost). These are intended
to encourage pushing down filters
- // and limits through stacks of nested queries when possible.
- private static final double COST_BASE = 1.0;
- private static final double COST_PER_COLUMN = 0.001;
- private static final double COST_FILTER_MULTIPLIER = 0.1;
- private static final double COST_GROUPING_MULTIPLIER = 0.5;
- private static final double COST_LIMIT_MULTIPLIER = 0.5;
- private static final double COST_HAVING_MULTIPLIER = 5.0;
+ static final double COST_BASE = 1.0;
Review comment:
Thanks, I'll remove it.
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