示例#1
0
 @Description("concatenates given strings")
 @ScalarFunction
 @SqlType(VarcharType.class)
 public static Slice concat(
     @SqlType(VarcharType.class) Slice str1, @SqlType(VarcharType.class) Slice str2) {
   Slice concat = Slices.allocate(str1.length() + str2.length());
   concat.setBytes(0, str1);
   concat.setBytes(str1.length(), str2);
   return concat;
 }
示例#2
0
  public void addRecord() {
    // record header
    bufferSlice.setInt(
        position, nextVariableLengthDataOffset); // nextVariableLengthDataOffset means record size
    bufferSlice.setBytes(position + 4, nullBitSet);
    count++;

    this.position += nextVariableLengthDataOffset;
    this.nextVariableLengthDataOffset = fixedRecordSize;
    Arrays.fill(nullBitSet, (byte) -1);

    // flush if next record will not fit in this buffer
    if (buffer.capacity() < position + nextVariableLengthDataOffset + stringReferenceSize) {
      flush();
    }
  }