On Thursday, November 11, 2021, 孤傲小二~阿沐 <2903807...@qq.com> wrote:
> Hello, I think what you said is right, it should be the problem. But I > don't know what to do in the lexical analysis system of plpgsql to solve > this problem. > > “To match” means keep two copies identical, in this case manually. Try grepping for the pre-change line you are modifying to see where its twin is. David J.