Re: String function to Find how many times str2 is in str1?
От | Pavel Stehule |
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Тема | Re: String function to Find how many times str2 is in str1? |
Дата | |
Msg-id | 162867790802151023i5a2276bj17f3f666aa4e6827@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: String function to Find how many times str2 is in str1? ("Rodrigo E. De León Plicet" <rdeleonp@gmail.com>) |
Ответы |
Re: String function to Find how many times str2 is in str1?
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Список | pgsql-sql |
Hello what about CREATE OR REPLACE FUNCTION Foobar(text, text) RETURNS integer AS $$ SELECT array_upper(string_to_array($1,$2),1) - 1; $$ LANGUAGE SQL IMMUTABLE; On 15/02/2008, Rodrigo E. De León Plicet <rdeleonp@gmail.com> wrote: > On Fri, Feb 15, 2008 at 11:09 AM, Emi Lu <emilu@encs.concordia.ca> wrote: > > Str1 = "test test caa dtest testing EndofString"; > > Str2 = " "; > > > > select funcName(Str1, Str2); > > > > return 5 > > > CREATE OR REPLACE FUNCTION > FOOBAR(TEXT,TEXT) > RETURNS INT AS $$ > SELECT(LENGTH($1) - LENGTH(REPLACE($1, $2, ''))) / LENGTH($2) ; > $$ LANGUAGE SQL IMMUTABLE; > > SELECT FOOBAR('test test caa dtest testing EndofString', ' '); > > foobar > -------- > 5 > (1 row) > > Good luck. > > ---------------------------(end of broadcast)--------------------------- > TIP 2: Don't 'kill -9' the postmaster >
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