本文整理汇总了Java中io.netty.buffer.DrillBuf.reallocIfNeeded方法的典型用法代码示例。如果您正苦于以下问题：Java DrillBuf.reallocIfNeeded方法的具体用法？Java DrillBuf.reallocIfNeeded怎么用？Java DrillBuf.reallocIfNeeded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io.netty.buffer.DrillBuf的用法示例。
在下文中一共展示了DrillBuf.reallocIfNeeded方法的8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: getVarCharHolder
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public static VarCharHolder getVarCharHolder(DrillBuf buf, String s){
VarCharHolder vch = new VarCharHolder();
byte[] b = s.getBytes(Charsets.UTF_8);
vch.start = 0;
vch.end = b.length;
vch.buffer = buf.reallocIfNeeded(b.length);
vch.buffer.setBytes(0, b);
return vch;
}
示例2: getDecimal28Holder
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public static Decimal28SparseHolder getDecimal28Holder(DrillBuf buf, String decimal) {
Decimal28SparseHolder dch = new Decimal28SparseHolder();
BigDecimal bigDecimal = new BigDecimal(decimal);
dch.scale = bigDecimal.scale();
dch.precision = bigDecimal.precision();
Decimal28SparseHolder.setSign(bigDecimal.signum() == -1, dch.start, dch.buffer);
dch.start = 0;
dch.buffer = buf.reallocIfNeeded(5 * DecimalUtility.integerSize);
DecimalUtility.getSparseFromBigDecimal(bigDecimal, dch.buffer, dch.start, dch.scale, dch.precision, dch.nDecimalDigits);
return dch;
}
示例3: getDecimal38Holder
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public static Decimal38SparseHolder getDecimal38Holder(DrillBuf buf, String decimal) {
Decimal38SparseHolder dch = new Decimal38SparseHolder();
BigDecimal bigDecimal = new BigDecimal(decimal);
dch.scale = bigDecimal.scale();
dch.precision = bigDecimal.precision();
Decimal38SparseHolder.setSign(bigDecimal.signum() == -1, dch.start, dch.buffer);
dch.start = 0;
dch.buffer = buf.reallocIfNeeded(dch.maxPrecision * DecimalUtility.integerSize);
DecimalUtility.getSparseFromBigDecimal(bigDecimal, dch.buffer, dch.start, dch.scale, dch.precision, dch.nDecimalDigits);
return dch;
}
示例4: HivePartitionDescriptor
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public HivePartitionDescriptor(@SuppressWarnings("unused") final PlannerSettings settings, final DrillScanRel scanRel,
final DrillBuf managedBuffer, final String defaultPartitionValue) {
int i = 0;
this.scanRel = scanRel;
this.managedBuffer = managedBuffer.reallocIfNeeded(256);
this.defaultPartitionValue = defaultPartitionValue;
for (HiveTable.FieldSchemaWrapper wrapper : ((HiveScan) scanRel.getGroupScan()).hiveReadEntry.table.partitionKeys) {
partitionMap.put(wrapper.name, i);
i++;
}
numPartitionLevels = i;
}
示例5: mappify
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public static DrillBuf mappify(FieldReader reader, BaseWriter.ComplexWriter writer, DrillBuf buffer) {
// Currently we expect single map as input
if (DataMode.REPEATED == reader.getType().getMode() || !(reader.getType().getMinorType() == TypeProtos.MinorType.MAP)) {
throw new DrillRuntimeException("kvgen function only supports Simple maps as input");
}
BaseWriter.ListWriter listWriter = writer.rootAsList();
listWriter.start();
BaseWriter.MapWriter mapWriter = listWriter.map();
// Iterate over the fields in the map
Iterator<String> fieldIterator = reader.iterator();
while (fieldIterator.hasNext()) {
String str = fieldIterator.next();
FieldReader fieldReader = reader.reader(str);
// Skip the field if its null
if (fieldReader.isSet() == false) {
mapWriter.end();
continue;
}
// writing a new field, start a new map
mapWriter.start();
// write "key":"columnname" into the map
VarCharHolder vh = new VarCharHolder();
byte[] b = str.getBytes(Charsets.UTF_8);
buffer = buffer.reallocIfNeeded(b.length);
buffer.setBytes(0, b);
vh.start = 0;
vh.end = b.length;
vh.buffer = buffer;
mapWriter.varChar(fieldKey).write(vh);
// Write the value to the map
MapUtility.writeToMapFromReader(fieldReader, mapWriter);
mapWriter.end();
}
listWriter.end();
return buffer;
}
示例6: DrillBinaryToDecimal28Converter
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public DrillBinaryToDecimal28Converter(Decimal28SparseWriter writer, int precision, int scale, DrillBuf buf) {
this.writer = writer;
this.buf = buf.reallocIfNeeded(28);
holder.precision = precision;
holder.scale = scale;
}
示例7: DrillBinaryToDecimal38Converter
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public DrillBinaryToDecimal38Converter(Decimal38SparseWriter writer, int precision, int scale, DrillBuf buf) {
this.writer = writer;
this.buf = buf.reallocIfNeeded(38);
holder.precision = precision;
holder.scale = scale;
}
示例8: DrillFixedBinaryToVarbinaryConverter
import io.netty.buffer.DrillBuf; //导入方法依赖的package包/类
public DrillFixedBinaryToVarbinaryConverter(VarBinaryWriter writer, int length, DrillBuf buf) {
this.writer = writer;
holder.buffer = buf = buf.reallocIfNeeded(length);
holder.start = 0;
holder.end = length;
}