本文整理汇总了Java中org.apache.tajo.engine.eval.AggregationFunctionCallEval类的典型用法代码示例。如果您正苦于以下问题：Java AggregationFunctionCallEval类的具体用法？Java AggregationFunctionCallEval怎么用？Java AggregationFunctionCallEval使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
AggregationFunctionCallEval类属于org.apache.tajo.engine.eval包，在下文中一共展示了AggregationFunctionCallEval类的15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: clone
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
@Override
public Object clone() throws CloneNotSupportedException {
GroupbyNode grp = (GroupbyNode) super.clone();
if (groupingColumns != null) {
grp.groupingColumns = new Column[groupingColumns.length];
for (int i = 0; i < groupingColumns.length; i++) {
grp.groupingColumns[i] = (Column) groupingColumns[i].clone();
}
}
if (aggrFunctions != null) {
grp.aggrFunctions = new AggregationFunctionCallEval[aggrFunctions.length];
for (int i = 0; i < aggrFunctions.length; i++) {
grp.aggrFunctions[i] = (AggregationFunctionCallEval) aggrFunctions[i].clone();
}
}
if (targets != null) {
grp.targets = new Target[targets.length];
for (int i = 0; i < targets.length; i++) {
grp.targets[i] = (Target) targets[i].clone();
}
}
return grp;
}
示例2: AggregationExec
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
public AggregationExec(final TaskAttemptContext context, GroupbyNode plan,
PhysicalExec child) throws IOException {
super(context, plan.getInSchema(), plan.getOutSchema(), child);
this.plan = plan;
evalSchema = plan.getOutSchema();
final Column [] keyColumns = plan.getGroupingColumns();
groupingKeyNum = keyColumns.length;
groupingKeyIds = new int[groupingKeyNum];
Column col;
for (int idx = 0; idx < plan.getGroupingColumns().length; idx++) {
col = keyColumns[idx];
groupingKeyIds[idx] = inSchema.getColumnId(col.getQualifiedName());
}
if (plan.hasAggFunctions()) {
aggFunctions = plan.getAggFunctions();
aggFunctionsNum = aggFunctions.length;
} else {
aggFunctions = new AggregationFunctionCallEval[0];
aggFunctionsNum = 0;
}
}
示例3: testCountFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的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4: clone
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
@Override
public Object clone() throws CloneNotSupportedException {
GroupbyNode grp = (GroupbyNode) super.clone();
if (groupingColumns != null) {
grp.groupingColumns = new Column[groupingColumns.length];
for (int i = 0; i < groupingColumns.length; i++) {
grp.groupingColumns[i] = groupingColumns[i];
}
}
if (aggrFunctions != null) {
grp.aggrFunctions = new AggregationFunctionCallEval[aggrFunctions.length];
for (int i = 0; i < aggrFunctions.length; i++) {
grp.aggrFunctions[i] = (AggregationFunctionCallEval) aggrFunctions[i].clone();
}
}
if (targets != null) {
grp.targets = new Target[targets.length];
for (int i = 0; i < targets.length; i++) {
grp.targets[i] = (Target) targets[i].clone();
}
}
return grp;
}
示例5: testCountFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的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6: createFirstPhaseGroupBy
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
public static GroupbyNode createFirstPhaseGroupBy(LogicalPlan plan, GroupbyNode groupBy) {
Preconditions.checkNotNull(groupBy);
GroupbyNode firstPhaseGroupBy = PlannerUtil.clone(plan, groupBy);
GroupbyNode secondPhaseGroupBy = groupBy;
// Set first phase expressions
if (secondPhaseGroupBy.hasAggFunctions()) {
int evalNum = secondPhaseGroupBy.getAggFunctions().length;
AggregationFunctionCallEval [] secondPhaseEvals = secondPhaseGroupBy.getAggFunctions();
AggregationFunctionCallEval [] firstPhaseEvals = new AggregationFunctionCallEval[evalNum];
String [] firstPhaseEvalNames = new String[evalNum];
for (int i = 0; i < evalNum; i++) {
try {
firstPhaseEvals[i] = (AggregationFunctionCallEval) secondPhaseEvals[i].clone();
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
firstPhaseEvals[i].setFirstPhase();
firstPhaseEvalNames[i] = plan.generateUniqueColumnName(firstPhaseEvals[i]);
FieldEval param = new FieldEval(firstPhaseEvalNames[i], firstPhaseEvals[i].getValueType());
secondPhaseEvals[i].setArgs(new EvalNode[] {param});
}
secondPhaseGroupBy.setAggFunctions(secondPhaseEvals);
firstPhaseGroupBy.setAggFunctions(firstPhaseEvals);
Target [] firstPhaseTargets = ProjectionPushDownRule.buildGroupByTarget(firstPhaseGroupBy, null,
firstPhaseEvalNames);
firstPhaseGroupBy.setTargets(firstPhaseTargets);
secondPhaseGroupBy.setInSchema(PlannerUtil.targetToSchema(firstPhaseTargets));
}
return firstPhaseGroupBy;
}
示例7: testAggregationFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的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8: testAggregationFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的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();
}
示例9: createSumFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
private AggregationFunctionCallEval createSumFunction(EvalNode [] args) throws InternalException {
FunctionDesc functionDesc = getCatalog().getFunction("sum", CatalogProtos.FunctionType.AGGREGATION,
args[0].getValueType());
return new AggregationFunctionCallEval(functionDesc, (AggFunction) functionDesc.newInstance(), args);
}
示例10: createCountFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
private AggregationFunctionCallEval createCountFunction(EvalNode [] args) throws InternalException {
FunctionDesc functionDesc = getCatalog().getFunction("count", CatalogProtos.FunctionType.AGGREGATION,
args[0].getValueType());
return new AggregationFunctionCallEval(functionDesc, (AggFunction) functionDesc.newInstance(), args);
}
示例11: createCountRowFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
private AggregationFunctionCallEval createCountRowFunction(EvalNode[] args) throws InternalException {
FunctionDesc functionDesc = getCatalog().getFunction("count", CatalogProtos.FunctionType.AGGREGATION,
new TajoDataTypes.DataType[]{});
return new AggregationFunctionCallEval(functionDesc, (AggFunction) functionDesc.newInstance(), args);
}
示例12: createMaxFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
private AggregationFunctionCallEval createMaxFunction(EvalNode [] args) throws InternalException {
FunctionDesc functionDesc = getCatalog().getFunction("max", CatalogProtos.FunctionType.AGGREGATION,
args[0].getValueType());
return new AggregationFunctionCallEval(functionDesc, (AggFunction) functionDesc.newInstance(), args);
}
示例13: createMinFunction
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
private AggregationFunctionCallEval createMinFunction(EvalNode [] args) throws InternalException {
FunctionDesc functionDesc = getCatalog().getFunction("min", CatalogProtos.FunctionType.AGGREGATION,
args[0].getValueType());
return new AggregationFunctionCallEval(functionDesc, (AggFunction) functionDesc.newInstance(), args);
}
示例14: RewrittenFunctions
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
public RewrittenFunctions(int firstStageEvalNum) {
firstStageEvals = new AggregationFunctionCallEval[firstStageEvalNum];
firstStageTargets = new Target[firstStageEvalNum];
}
示例15: getAggFunctions
import org.apache.tajo.engine.eval.AggregationFunctionCallEval; //导入依赖的package包/类
public AggregationFunctionCallEval [] getAggFunctions() {
return this.aggrFunctions;
}