Now there're field expression and filter expression which serve for different purposes. However, they share similar ANTLR grammar, and if we want to support function expression in the filter expression, there will be more code to be the same.
We need to blend these two dedicated expression into one.
Now there're field expression and filter expression which serve for different purposes. However, they share similar ANTLR grammar, and if we want to support function expression in the filter expression, there will be more code to be the same.
We need to blend these two dedicated expression into one.