Package org.apache.druid.sql.calcite.planner

Class QueryValidations

java.lang.Object

org.apache.druid.sql.calcite.planner.QueryValidations

public class QueryValidations
extends Object

Container class for validateLogicalQueryForDruid(org.apache.druid.sql.calcite.planner.PlannerContext, org.apache.calcite.rel.RelNode).

Constructor Summary

Constructors

Constructor	Description
QueryValidations()

Method Summary

Modifier and Type	Method	Description
static void	validateLogicalQueryForDruid(PlannerContext plannerContext, org.apache.calcite.rel.RelNode relNode)	Validate a RelNode prior to attempting to convert it to a Druid query.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

QueryValidations

public QueryValidations()

Method Details

validateLogicalQueryForDruid

public static void validateLogicalQueryForDruid(PlannerContext plannerContext,
 org.apache.calcite.rel.RelNode relNode)
                                         throws org.apache.calcite.tools.ValidationException

Validate a RelNode prior to attempting to convert it to a Druid query. Useful for generating nice error messages for things we know we definitely don't support.

Throws:

org.apache.calcite.tools.ValidationException