Tom Lane wrote:
Er, doesn't that change the behavior?

I don't believe so. There is an if statement earlier that assigns opt->footers to footers is the former is non-NULL. In other words:

if (opt->footers)
    footers = opt->footers;
else if (...)
    footers = xyz();
    footers = NULL;

Therefore if footers is NULL then opt->footers must also be NULL, so the previous trinary statement is just confusing.


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