VectorExpressionDescriptor.Descriptor d2 = builder2.setMode(VectorExpressionDescriptor.Mode.FILTER)
.setNumArguments(2).setArgumentTypes(VectorExpressionDescriptor.ArgumentType.LONG,
VectorExpressionDescriptor.ArgumentType.DOUBLE).setInputExpressionTypes(
VectorExpressionDescriptor.InputExpressionType.COLUMN,
VectorExpressionDescriptor.InputExpressionType.SCALAR).build();
FilterLongColLessDoubleScalar v2 = new FilterLongColLessDoubleScalar();
Assert.assertEquals(d2, v2.getDescriptor());
VectorExpressionDescriptor.Builder builder3 = new VectorExpressionDescriptor.Builder();
VectorExpressionDescriptor.Descriptor d3 = builder3.setMode(VectorExpressionDescriptor.Mode.PROJECTION)
.setNumArguments(1).setArgumentTypes(VectorExpressionDescriptor.ArgumentType.STRING)
.setInputExpressionTypes(VectorExpressionDescriptor.InputExpressionType.COLUMN).build();