David Garamond <[EMAIL PROTECTED]> writes:
> Peter Eisentraut wrote:
>>> What is "text + text" supposed to do right now?
>>
>> Nothing.
> Then are these bugs? (7.4.5 and 8.0.0beta1 give same results). Frankly,
> the current behaviour is quite strange to me.
CVS tip gives
regression=# select coalesce('1'+'0','NULL');
ERROR: operator is not unique: "unknown" + "unknown"
HINT: Could not choose a best candidate operator. You may need to add explicit type
casts.
regression=#
See http://archives.postgresql.org/pgsql-hackers/2004-10/msg00041.php
regards, tom lane
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