Andres Freund ebcc7bf949 Rephrase references to "time qualification".
Now that the relevant code has, for other reasons, moved out of
tqual.[ch], it seems time to refer to visiblity rather than time
qualification.

Author: Andres Freund
Discussion: https://postgr.es/m/20180703070645.wchpu5muyto5n647@alap3.anarazel.de
2019-01-21 17:07:10 -08:00
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