本文整理汇总了Java中org.apache.calcite.plan.RelOptPlanner.CannotPlanException方法的典型用法代码示例。如果您正苦于以下问题：Java RelOptPlanner.CannotPlanException方法的具体用法？Java RelOptPlanner.CannotPlanException怎么用？Java RelOptPlanner.CannotPlanException使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.calcite.plan.RelOptPlanner的用法示例。
在下文中一共展示了RelOptPlanner.CannotPlanException方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: convertToDrel
import org.apache.calcite.plan.RelOptPlanner; //导入方法依赖的package包/类
/**
* Given a relNode tree for SELECT statement, convert to Drill Logical RelNode tree.
* @param relNode
* @return
* @throws SqlUnsupportedException
* @throws RelConversionException
*/
protected DrillRel convertToDrel(RelNode relNode) throws SqlUnsupportedException, RelConversionException {
try {
final DrillRel convertedRelNode;
if (! context.getPlannerSettings().isHepJoinOptEnabled()) {
convertedRelNode = (DrillRel) logicalPlanningVolcano(relNode);
} else {
convertedRelNode = (DrillRel) logicalPlanningVolcanoAndLopt(relNode);
}
if (convertedRelNode instanceof DrillStoreRel) {
throw new UnsupportedOperationException();
} else {
// If the query contains a limit 0 clause, disable distributed mode since it is overkill for determining schema.
if (FindLimit0Visitor.containsLimit0(convertedRelNode)) {
context.getPlannerSettings().forceSingleMode();
}
return convertedRelNode;
}
} catch (RelOptPlanner.CannotPlanException ex) {
logger.error(ex.getMessage());
if(JoinUtils.checkCartesianJoin(relNode, new ArrayList<Integer>(), new ArrayList<Integer>())) {
throw new UnsupportedRelOperatorException("This query cannot be planned possibly due to either a cartesian join or an inequality join");
} else {
throw ex;
}
}
}
示例2: convertToDrel
import org.apache.calcite.plan.RelOptPlanner; //导入方法依赖的package包/类
/**
* Given a relNode tree for SELECT statement, convert to Dremio Logical RelNode tree.
* @param relNode
* @return
* @throws SqlUnsupportedException
* @throws RelConversionException
*/
public static Rel convertToDrel(SqlHandlerConfig config, final RelNode relNode) throws SqlUnsupportedException, RelConversionException {
try {
final RelNode convertedRelNode;
final RelTraitSet logicalTraits = relNode.getTraitSet().plus(Rel.LOGICAL);
final RelNode intermediateNode = transform(config, PlannerType.VOLCANO, PlannerPhase.LOGICAL, relNode, logicalTraits, true);
// Do Join Planning.
convertedRelNode = transform(config, PlannerType.HEP_BOTTOM_UP, PlannerPhase.JOIN_PLANNING, intermediateNode, intermediateNode.getTraitSet(), true);
FlattenRelFinder flattenFinder = new FlattenRelFinder();
final RelNode flattendPushed;
if (flattenFinder.run(convertedRelNode)) {
flattendPushed = transform(config, PlannerType.VOLCANO, PlannerPhase.FLATTEN_PUSHDOWN, convertedRelNode, convertedRelNode.getTraitSet(), true);
} else {
flattendPushed = convertedRelNode;
}
final Rel drel = (Rel) flattendPushed;
if (drel instanceof TableModify) {
throw new UnsupportedOperationException("TableModify " + drel);
} else {
final Optional<SubstitutionInfo> acceleration = findUsedMaterializations(config, drel);
if (acceleration.isPresent()) {
config.getObserver().planAccelerated(acceleration.get());
}
return drel;
}
} catch (RelOptPlanner.CannotPlanException ex) {
logger.error(ex.getMessage(), ex);
if(JoinUtils.checkCartesianJoin(relNode, Lists.<Integer>newArrayList(), Lists.<Integer>newArrayList(), Lists.<Boolean>newArrayList())) {
throw new UnsupportedRelOperatorException("This query cannot be planned possibly due to either a cartesian join or an inequality join");
} else {
throw ex;
}
}
}