private void loadRepeatedOffsetAddress() {
DrillBuf buf = vector.getOffsetVector().getBuffer();
checkBuf(buf);
this.repeatedOffset = buf.memoryAddress() + 4;
this.repeatedOffsetOriginal = buf.memoryAddress() + 4;
this.repeatedOffsetMax = buf.memoryAddress() + buf.capacity();
}
private void loadVarCharDataAddress() {
DrillBuf buf = vector.getDataVector().getBuffer();
checkBuf(buf);
this.characterData = buf.memoryAddress();
this.characterDataOriginal = buf.memoryAddress();
this.characterDataMax = buf.memoryAddress() + buf.capacity();
}
private DrillBuf(
BufferAllocator allocator,
Accountor a,
ByteBuf replacement,
DrillBuf buffer,
int index,
int length,
boolean root) {
super(length);
if (index < 0 || index > buffer.capacity() - length) {
throw new IndexOutOfBoundsException(
buffer.toString() + ".slice(" + index + ", " + length + ')');
}
this.length = length;
writerIndex(length);
this.b = replacement;
this.addr = buffer.memoryAddress() + index;
this.offset = index;
this.acct = a;
this.length = length;
this.rootBuffer = root;
this.allocator = allocator;
}
private void loadVarCharOffsetAddress() {
DrillBuf buf = vector.getDataVector().getOffsetVector().getBuffer();
checkBuf(buf);
this.charLengthOffset = buf.memoryAddress() + 4;
this.charLengthOffsetOriginal =
buf.memoryAddress()
+ 4; // add four as offsets conceptually start at 1. (first item is 0..1)
this.charLengthOffsetMax = buf.memoryAddress() + buf.capacity();
}