Hi, Thanks for your reply. Indeed, why not?
Tena Sakai tsa...@gallo.ucsf.edu On 2/3/10 3:38 AM, "msi77" <ms...@yandex.ru> wrote: > Why not to use > > select subjectid, height > from tsakai.pheno > where height like '%.%'; > > ? > >> Hi everybody, >> I need a bit of help on postgres reqular expression. >> With a table of the following definition: >> Table "tsakai.pheno" >> Column | Type | Modifiers >> -----------+-------------------+----------- >> subjectid | integer | not null >> height | character varying | not null >> race | character varying | not null >> blood | character varying | not null >> I want to catch entries in height column that includes a >> decimal point. Here's my attempt: >> select subjectid, height >> from tsakai.pheno >> where height ~ '[:digit:]+.[:digit:]+'; >> Which returns 0 rows, but if I get rid of where clause, >> I get rows like: >> subjectid | height >> -----------+-------- >> 55379 | 70.5 >> 55383 | 69 >> 55395 | 70 >> 56173 | 71 >> 56177 | 65.5 >> 56178 | 70 >> . . >> . . >> And when I escape that dot after first plus sign with a backslash, >> like this: >> where height ~ '[:digit:]+\.[:digit:]+'; >> then I get complaint: >> WARNING: nonstandard use of escape in a string literal >> LINE 3: where height ~ '[:digit:]+\.[:digit:]+'; >> ^ >> HINT: Use the escape string syntax for escapes, e.g., E'\r\n'. >> From there, it was a downward spiral descent... >> Please help. >> Thank you. >> Regards, >> Tena Sakai >> tsa...@gallo.ucsf.edu >> > > Здесь спама нет http://mail.yandex.ru/nospam/sign -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
