On 9/22/17 09:16, Pavel Stehule wrote:
> Example: somebody set SORT_COLUMNS to schema_name value. This is
> nonsense for \l command
> Now, I am thinking so more correct and practical design is based on
> special mode, activated by variable
> PREFER_SIZE_SORT .. (off, asc, desc)
> This has sense for wide group of commands that can show size. And when
> size is not visible, then this option is not active.

Maybe this shouldn't be a variable at all.  It's not like you'll set
this as a global preference.  You probably want it for one command only.
 So a per-command option might make more sense.

Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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