Function Help
От | Brian C. Doyle |
---|---|
Тема | Function Help |
Дата | |
Msg-id | 5.1.0.14.2.20010924162845.05426490@proxy обсуждение исходный текст |
Ответы |
Re: Function Help
Re: Function Help |
Список | pgsql-general |
Hello all, I am working on a function to determine the date of the first saturday of the month. Currently I have: CREATE FUNCTION first_saturday(date) RETURNS date AS ' Select CASE WHEN date_part(\'dow\',\'$1\'::DATE)=0 THEN date(\'$1\')+6 WHEN date_part(\'dow\',\'$1\'::DATE)=1 THEN date(\'$1\')+5 WHEN date_part(\'dow\',\'$1\'::DATE)=2 THEN date(\'$1\')+4 WHEN date_part(\'dow\',\'$1\'::DATE)=3 THEN date(\'$1\')+3 WHEN date_part(\'dow\',\'$1\'::DATE)=4 THEN date(\'$1\')+2 WHEN date_part(\'dow\',\'$1\'::DATE)=5 THEN date(\'$1\')+1 WHEN date_part(\'dow\',\'$1\'::DATE)=6 THEN date(\'$1\')+0 END'LANGUAGE 'sql' I get an error that $1 is not a valid date. But I want that to be the variable I enter... what Am I doing wrong???
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