On Mon, Mar 02, 2020 at 01:00:44PM +0100, Juan José Santamaría Flecha wrote: > - The new entry in the documentation, specially as the PG_COLORS parameter > seems to be currently undocumented. The programs that can use PG_COLOR > would benefit from getting a link to it.
The actual problem here is that we don't have an actual centralized place where we could put that stuff. And anything able to use this option is basically anything using src/common/logging.c. Regarding PG_COLORS, the commit message of cc8d415 mentions it, but we have no actual example of how to use it, and the original thread has zero reference to it: https://www.postgresql.org/message-id/6a609b43-4f57-7348-6480-bd022f924...@2ndquadrant.com And in fact, it took me a while to figure out that using it is a mix of three keywords ("error", "warning" or "locus") separated by colons which need to have an equal sign to the color defined. Here is for example how to make the locus show up in yellow with errors in blue: export PG_COLORS='error=01;34:locus=01;33' Having to dig into the code to find out that stuff is not a good user experience. And I found out about that only because I worked on a patch touching this area yesterday. -- Michael
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