static void addMultiByteChars(byte[] b) {
    int i = 0;
    b[i++] = (byte) 0x41; // letter "A" (1 byte)
    b[i++] = (byte) 0xC3; // Latin capital A with grave (2 bytes)
    b[i++] = (byte) 0x80;
    b[i++] = (byte) 0xE2; // Euro sign (3 bytes)
    b[i++] = (byte) 0x82;
    b[i++] = (byte) 0xAC;
    b[i++] = (byte) 0xF0; // Asian character U+24B62 (4 bytes)
    b[i++] = (byte) 0xA4;
    b[i++] = (byte) 0xAD;
    b[i++] = (byte) 0xA2;
  }
Test vectorized expression and filter evaluation for strings.
ql/src/test/org/apache/hadoop/hive/ql/exec/vector/expressions/TestVectorStringExpressions.java