本文整理了Java中io.prestosql.spi.type.Type.getDouble()方法的一些代码示例，展示了Type.getDouble()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Type.getDouble()方法的具体详情如下：
包路径：io.prestosql.spi.type.Type
类名称：Type
方法名：getDouble

Type.getDouble介绍

[英]Gets the value at the block position as a double.
[中]以双精度形式获取块位置处的值。

代码示例

代码示例来源：origin: io.prestosql/presto-main

@Override
void readFirstField(Block block, int position, DoubleAndBlockPositionValueState state)
{
  state.setFirst(firstType.getDouble(block, position));
}

代码示例来源：origin: io.prestosql/presto-main

@Override
public double getDouble(int field)
{
  return types.get(field).getDouble(page.getBlock(field), position);
}

代码示例来源：origin: prestosql/presto

@Override
public void encodeValueInto(Block block, int position, SliceOutput output)
{
  output.writeLong(Long.reverseBytes(Double.doubleToLongBits(type.getDouble(block, position))));
}

代码示例来源：origin: prestosql/presto

@Override
public double getDouble(int field)
{
  return types.get(field).getDouble(page.getBlock(field), position);
}

代码示例来源：origin: prestosql/presto

@Override
void readFirstField(Block block, int position, DoubleAndBlockPositionValueState state)
{
  state.setFirst(firstType.getDouble(block, position));
}

代码示例来源：origin: prestosql/presto

private void encodeValue(Block block, int position, SliceOutput output)
{
  double value = type.getDouble(block, position);
  buffer.setLength(0);
  buffer.append(value);
  for (int index = 0; index < buffer.length(); index++) {
    output.writeByte(buffer.charAt(index));
  }
}

代码示例来源：origin: io.prestosql/presto-main

@Override
public double getDouble(int field)
{
  checkState(position >= 0, "Not yet advanced");
  checkState(position < page.getPositionCount(), "Already finished");
  Type type = types.get(field);
  return type.getDouble(page.getBlock(field), position);
}

代码示例来源：origin: prestosql/presto

@Override
public double getDouble(int field)
{
  checkState(position >= 0, "Not yet advanced");
  checkState(position < page.getPositionCount(), "Already finished");
  Type type = types.get(field);
  return type.getDouble(page.getBlock(field), position);
}

代码示例来源：origin: io.prestosql/presto-main

@UsedByGeneratedCode
public static Double doubleSubscript(Type elementType, Block array, long index)
{
  checkIndex(array, index);
  int position = toIntExact(index - 1);
  if (array.isNull(position)) {
    return null;
  }
  return elementType.getDouble(array, position);
}

代码示例来源：origin: prestosql/presto

@UsedByGeneratedCode
public static Double doubleSubscript(Type elementType, Block array, long index)
{
  checkIndex(array, index);
  int position = toIntExact(index - 1);
  if (array.isNull(position)) {
    return null;
  }
  return elementType.getDouble(array, position);
}

代码示例来源：origin: io.prestosql/presto-main

public static void input(Type type, NullableDoubleState state, Block block, int position)
{
  if (!state.isNull()) {
    return;
  }
  state.setNull(false);
  state.setDouble(type.getDouble(block, position));
}

代码示例来源：origin: io.prestosql/presto-main

public double getDouble(int channel, int position)
{
  long pageAddress = valueAddresses.getLong(position);
  Block block = channels[channel].get(decodeSliceIndex(pageAddress));
  int blockPosition = decodePosition(pageAddress);
  return types.get(channel).getDouble(block, blockPosition);
}

代码示例来源：origin: prestosql/presto

public double getDouble(int channel, int position)
{
  long pageAddress = valueAddresses.getLong(position);
  Block block = channels[channel].get(decodeSliceIndex(pageAddress));
  int blockPosition = decodePosition(pageAddress);
  return types.get(channel).getDouble(block, blockPosition);
}

代码示例来源：origin: prestosql/presto

public static void input(Type type, NullableDoubleState state, Block block, int position)
{
  if (!state.isNull()) {
    return;
  }
  state.setNull(false);
  state.setDouble(type.getDouble(block, position));
}

代码示例来源：origin: io.prestosql/presto-orc

@Override
public void addBlock(Type type, Block block)
{
  for (int position = 0; position < block.getPositionCount(); position++) {
    if (!block.isNull(position)) {
      double value;
      if (type == RealType.REAL) {
        value = Float.intBitsToFloat((int) type.getLong(block, position));
      }
      else {
        value = type.getDouble(block, position);
      }
      addValue(value);
    }
  }
}

代码示例来源：origin: prestosql/presto

@Override
public void addBlock(Type type, Block block)
{
  for (int position = 0; position < block.getPositionCount(); position++) {
    if (!block.isNull(position)) {
      double value;
      if (type == RealType.REAL) {
        value = Float.intBitsToFloat((int) type.getLong(block, position));
      }
      else {
        value = type.getDouble(block, position);
      }
      addValue(value);
    }
  }
}

代码示例来源：origin: io.prestosql/presto-main

@TypeParameter("T")
@TypeParameterSpecialization(name = "T", nativeContainerType = double.class)
@SqlType("array(T)")
public Block sortDouble(
    @TypeParameter("T") Type type,
    @SqlType("array(T)") Block block,
    @SqlType("function(T, T, int)") ComparatorDoubleLambda function)
{
  int arrayLength = block.getPositionCount();
  initPositionsList(arrayLength);
  Comparator<Integer> comparator = (x, y) -> comparatorResult(function.apply(
      block.isNull(x) ? null : type.getDouble(block, x),
      block.isNull(y) ? null : type.getDouble(block, y)));
  sortPositions(arrayLength, comparator);
  return computeResultBlock(type, block, arrayLength);
}

代码示例来源：origin: prestosql/presto

@TypeParameter("T")
@TypeParameterSpecialization(name = "T", nativeContainerType = double.class)
@SqlType("array(T)")
public Block sortDouble(
    @TypeParameter("T") Type type,
    @SqlType("array(T)") Block block,
    @SqlType("function(T, T, int)") ComparatorDoubleLambda function)
{
  int arrayLength = block.getPositionCount();
  initPositionsList(arrayLength);
  Comparator<Integer> comparator = (x, y) -> comparatorResult(function.apply(
      block.isNull(x) ? null : type.getDouble(block, x),
      block.isNull(y) ? null : type.getDouble(block, y)));
  sortPositions(arrayLength, comparator);
  return computeResultBlock(type, block, arrayLength);
}

代码示例来源：origin: io.prestosql/presto-main

@TypeParameter("E")
@SqlNullable
@SqlType("E")
public static Double doubleElementAt(@TypeParameter("E") Type elementType, @SqlType("array(E)") Block array, @SqlType("bigint") long index)
{
  int position = checkedIndexToBlockPosition(array, index);
  if (position == -1) {
    return null;
  }
  if (array.isNull(position)) {
    return null;
  }
  return elementType.getDouble(array, position);
}

代码示例来源：origin: prestosql/presto

@TypeParameter("E")
@SqlNullable
@SqlType("E")
public static Double doubleElementAt(@TypeParameter("E") Type elementType, @SqlType("array(E)") Block array, @SqlType("bigint") long index)
{
  int position = checkedIndexToBlockPosition(array, index);
  if (position == -1) {
    return null;
  }
  if (array.isNull(position)) {
    return null;
  }
  return elementType.getDouble(array, position);
}