Case insensitive searches

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От Paulo Parola
Тема Case insensitive searches
Дата
Msg-id 00e601be980a$d5b5a9e0$0300000a@cpqivx-2
обсуждение исходный текст
Ответы Re: [GENERAL] Case insensitive searches  (Aaron Holtz <aholtz@bright.net>)
Список pgsql-general
Hi,

When using mSQL I can perform case insensitive queries by using statements
like below:

   select some_field
   from table
   where another_field clike '%substring_entered_by_user%'

How should I do that with PostgreSQL? (I understand 'clike' is not a
standard SQL feature and there is no similar in PostgreSQL).

If I change the substring entered by the user, lets say for example 'more',
to the following form '[mM][oO][rR][eE]' would it work?

And if I have words with accents (lets say 'Künstler') how should I do to
return the same entries no matter if the user types the accent or not? In
the previous case, the search should return the same values no matter if the
user entered the word 'Künstler' (with accent) or if he typed 'Kunstler'
(without accent).

TIA,
PAulo



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