@Test
  public void testVectorExpressionSetterDecimal() throws HiveException {
    DecimalTypeInfo typeInfo = TypeInfoFactory.getDecimalTypeInfo(38, 18);
    testSetterDecimal(typeInfo);
  }
Unit tests for vector expression writers.
ql/src/test/org/apache/hadoop/hive/ql/exec/vector/expressions/TestVectorExpressionWriters.java