Re: select an entry with a NULL date field
От | Kate Collins |
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Тема | Re: select an entry with a NULL date field |
Дата | |
Msg-id | 39982628.D75E03FD@wsicorp.com обсуждение исходный текст |
Ответ на | select an entry with a NULL date field (Web Manager <web@inter-resa.com>) |
Список | pgsql-sql |
Try: select entry_id from tbl_date where date02 is null; Kate Web Manager wrote: > Hello, > > I have a problem with PostgreSQL when I try to select or delete an entry > with an empty date. That's a typical entry > > Table tbl_date > ----------------------------- > entry_id 154 > date_01 2000-01-15 > date_02 this date is NULL > name my_test > ----------------------------- > > I want to select every entry containing date_02 as NULL > I tried : > >select entry_id from tbl_date where date_02=NULL; > ERROR: parser: parse error at or near "null" > >select entry_id from tbl_date where date_02=''; > Not work, that's a wrong date format > >select entry_id from tbl_date where date_02=""; > Not work, "" considered as an attribute > > Thank you for your time! > -- > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Marc Andre Paquin -- ================================================= Katherine (Kate) L. Collins Senior Software Engineer/Meteorologist Weather Services International (WSI Corporation) 4 Federal Street Billerica, MA 01821 EMAIL: klcollins@wsicorp.com PHONE: (978) 670-5110 FAX: (978) 670-5100 http://www.intellicast.com
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