本文整理汇总了Java中org.apache.drill.exec.record.RecordBatch.getSelectionVector4方法的典型用法代码示例。如果您正苦于以下问题：Java RecordBatch.getSelectionVector4方法的具体用法？Java RecordBatch.getSelectionVector4怎么用？Java RecordBatch.getSelectionVector4使用的例子？那么恭喜您, 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.drill.exec.record.RecordBatch的用法示例。
在下文中一共展示了RecordBatch.getSelectionVector4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: setup
import org.apache.drill.exec.record.RecordBatch; //导入方法依赖的package包/类
@Override
public final void setup(FragmentContext context, RecordBatch incoming, RecordBatch outgoing, List<TransferPair> transfers) throws SchemaChangeException{
this.svMode = incoming.getSchema().getSelectionVectorMode();
switch (svMode) {
case FOUR_BYTE:
this.vector4 = incoming.getSelectionVector4();
break;
case TWO_BYTE:
this.vector2 = incoming.getSelectionVector2();
break;
}
this.transfers = ImmutableList.copyOf(transfers);
doSetup(context, incoming, outgoing);
}
示例2: setup
import org.apache.drill.exec.record.RecordBatch; //导入方法依赖的package包/类
@Override
public void setup(FragmentContext context, RecordBatch incoming, RecordBatch outgoing, TransferPair[] transfers)
throws SchemaChangeException {
this.transfers = transfers;
this.outgoingSelectionVector = outgoing.getSelectionVector4();
this.incomingSelectionVector = incoming.getSelectionVector4();
doSetup(context, incoming, outgoing);
}
示例3: setupRemover
import org.apache.drill.exec.record.RecordBatch; //导入方法依赖的package包/类
@Override
public void setupRemover(FragmentContext context, RecordBatch incoming, RecordBatch outgoing) throws SchemaChangeException{
this.outgoing = outgoing;
this.sv4 = incoming.getSelectionVector4();
doSetup(context, incoming, outgoing);
}
示例4: setup
import org.apache.drill.exec.record.RecordBatch; //导入方法依赖的package包/类
@Override
public final void setup(FragmentContext context,
RecordBatch incoming,
HashPartitionSender popConfig,
OperatorStats stats,
OperatorContext oContext,
int start, int end) throws SchemaChangeException {
this.incoming = incoming;
this.stats = stats;
this.start = start;
this.end = end;
doSetup(context, incoming, null);
// Half the outgoing record batch size if the number of senders exceeds 1000 to reduce the total amount of memory
// allocated.
if (popConfig.getDestinations().size() > 1000) {
// Always keep the recordCount as (2^x) - 1 to better utilize the memory allocation in ValueVectors
outgoingRecordBatchSize = (DEFAULT_RECORD_BATCH_SIZE + 1)/2 - 1;
}
int fieldId = 0;
for (MinorFragmentEndpoint destination : popConfig.getDestinations()) {
// create outgoingBatches only for subset of Destination Points
if ( fieldId >= start && fieldId < end ) {
logger.debug("start: {}, count: {}, fieldId: {}", start, end, fieldId);
outgoingBatches.add(new OutgoingRecordBatch(stats, popConfig,
context.getDataTunnel(destination.getEndpoint()), context, oContext.getAllocator(), destination.getId()));
}
fieldId++;
}
for (OutgoingRecordBatch outgoingRecordBatch : outgoingBatches) {
outgoingRecordBatch.initializeBatch();
}
SelectionVectorMode svMode = incoming.getSchema().getSelectionVectorMode();
switch(svMode){
case FOUR_BYTE:
this.sv4 = incoming.getSelectionVector4();
break;
case TWO_BYTE:
this.sv2 = incoming.getSelectionVector2();
break;
case NONE:
break;
default:
throw new UnsupportedOperationException("Unknown selection vector mode: " + svMode.toString());
}
}