Sv: Like Command returning wrong result set
От | Andreas Joseph Krogh |
---|---|
Тема | Sv: Like Command returning wrong result set |
Дата | |
Msg-id | VisenaEmail.188.af6da13ea9c4fbc4.17b16a0cab8@tc7-visena обсуждение исходный текст |
Ответ на | Like Command returning wrong result set ("Tchouante, Merlin" <mtchouan@umaryland.edu>) |
Ответы |
Re: Like Command returning wrong result set
|
Список | pgsql-sql |
På torsdag 05. august 2021 kl. 16:00:38, skrev Tchouante, Merlin <mtchouan@umaryland.edu>:
Hello group,
I’m writing a script and a bit confused on the results with the like command.
gm.title like 'CP_%'
The above command gives me records with titles like CP_40, CP_2, CP_23, etc.
gm.title like '%_CT'
The above command give me records with tiles like Quiz: RadiInterpretation w/ CBCT.
I was expecting it to return titles that contained *_CT, i.e. FX_CT or DR_CT. It’s as if it’s ignoring the underscore the way it would do if you were using ‘%CT’. Does it ignore the underscore when it’s right after the ‘%’?
- Percent sign (
%
) matches any sequence of zero or more characters. - Underscore sign (
_
) matches any single character.
--
Andreas Joseph Krogh
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