本文整理汇总了Java中org.apache.tajo.engine.eval.AggregationFunctionCallEval.setFirstPhase方法的典型用法代码示例。如果您正苦于以下问题：Java AggregationFunctionCallEval.setFirstPhase方法的具体用法？Java AggregationFunctionCallEval.setFirstPhase怎么用？Java AggregationFunctionCallEval.setFirstPhase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.tajo.engine.eval.AggregationFunctionCallEval的用法示例。
在下文中一共展示了AggregationFunctionCallEval.setFirstPhase方法的4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: testCountFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入方法依赖的package包/类
@Test
public final void testCountFunction() throws IOException, PlanningException {
FileFragment[] frags = StorageManager.splitNG(conf, "score", score.getMeta(), score.getPath(),
Integer.MAX_VALUE);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/testCountFunction");
TaskAttemptContext ctx = new TaskAttemptContext(conf, LocalTajoTestingUtility.newQueryUnitAttemptId(masterPlan),
new FileFragment[] { frags[0] }, workDir);
ctx.setEnforcer(new Enforcer());
Expr context = analyzer.parse(QUERIES[9]);
LogicalPlan plan = planner.createPlan(context);
LogicalNode rootNode = optimizer.optimize(plan);
// Set all aggregation functions to the first phase mode
GroupbyNode groupbyNode = PlannerUtil.findTopNode(rootNode, NodeType.GROUP_BY);
for (AggregationFunctionCallEval function : groupbyNode.getAggFunctions()) {
function.setFirstPhase();
}
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf,sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, rootNode);
exec.init();
Tuple tuple = exec.next();
assertEquals(30, tuple.get(0).asInt8());
assertNull(exec.next());
exec.close();
}
示例2: testCountFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入方法依赖的package包/类
@Test
public final void testCountFunction() throws IOException, PlanningException {
FileFragment[] frags = StorageManager.splitNG(conf, "default.score", score.getMeta(), score.getPath(),
Integer.MAX_VALUE);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/testCountFunction");
TaskAttemptContext ctx = new TaskAttemptContext(conf, LocalTajoTestingUtility.newQueryUnitAttemptId(masterPlan),
new FileFragment[] { frags[0] }, workDir);
ctx.setEnforcer(new Enforcer());
Expr context = analyzer.parse(QUERIES[9]);
LogicalPlan plan = planner.createPlan(session, context);
LogicalNode rootNode = optimizer.optimize(plan);
// Set all aggregation functions to the first phase mode
GroupbyNode groupbyNode = PlannerUtil.findTopNode(rootNode, NodeType.GROUP_BY);
for (AggregationFunctionCallEval function : groupbyNode.getAggFunctions()) {
function.setFirstPhase();
}
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf,sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, rootNode);
exec.init();
Tuple tuple = exec.next();
assertEquals(30, tuple.get(0).asInt8());
assertNull(exec.next());
exec.close();
}
示例3: testAggregationFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入方法依赖的package包/类
@Test
public final void testAggregationFunction() throws IOException, PlanningException {
FileFragment[] frags = StorageManager.splitNG(conf, "score", score.getMeta(), score.getPath(),
Integer.MAX_VALUE);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/testAggregationFunction");
TaskAttemptContext ctx = new TaskAttemptContext(conf, LocalTajoTestingUtility.newQueryUnitAttemptId(masterPlan),
new FileFragment[] { frags[0] }, workDir);
ctx.setEnforcer(new Enforcer());
Expr context = analyzer.parse(QUERIES[8]);
LogicalPlan plan = planner.createPlan(context);
LogicalNode rootNode = optimizer.optimize(plan);
// Set all aggregation functions to the first phase mode
GroupbyNode groupbyNode = PlannerUtil.findTopNode(rootNode, NodeType.GROUP_BY);
for (AggregationFunctionCallEval function : groupbyNode.getAggFunctions()) {
function.setFirstPhase();
}
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf,sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, rootNode);
exec.init();
Tuple tuple = exec.next();
assertEquals(30, tuple.get(0).asInt8());
assertEquals(3, tuple.get(1).asInt4());
assertEquals(1, tuple.get(2).asInt4());
assertNull(exec.next());
exec.close();
}
示例4: testAggregationFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入方法依赖的package包/类
@Test
public final void testAggregationFunction() throws IOException, PlanningException {
FileFragment[] frags = StorageManager.splitNG(conf, "default.score", score.getMeta(), score.getPath(),
Integer.MAX_VALUE);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/testAggregationFunction");
TaskAttemptContext ctx = new TaskAttemptContext(conf, LocalTajoTestingUtility.newQueryUnitAttemptId(masterPlan),
new FileFragment[] { frags[0] }, workDir);
ctx.setEnforcer(new Enforcer());
Expr context = analyzer.parse(QUERIES[8]);
LogicalPlan plan = planner.createPlan(session, context);
LogicalNode rootNode = optimizer.optimize(plan);
// Set all aggregation functions to the first phase mode
GroupbyNode groupbyNode = PlannerUtil.findTopNode(rootNode, NodeType.GROUP_BY);
for (AggregationFunctionCallEval function : groupbyNode.getAggFunctions()) {
function.setFirstPhase();
}
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf,sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, rootNode);
exec.init();
Tuple tuple = exec.next();
assertEquals(30, tuple.get(0).asInt8());
assertEquals(3, tuple.get(1).asInt4());
assertEquals(1, tuple.get(2).asInt4());
assertNull(exec.next());
exec.close();
}