> In psql, the "\do" command (list operators), shows:
>
> op |left_arg |right_arg |result |description
> ---+----------+----------+---------+-----------------------------------------
> ...
> || |text |text |text |concatenate
slick. doesn't work on solaris 6.5.3
=> \do ||
ERROR: regcomp failed with error empty (sub)expression
but our days with 6.5.3 are numbered ;)
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