BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Truncate a DATE          BorlandTalk.com Forum Index -> Delphi Databases (SQL Servers) View previous topic :: View next topic   Author Message Cristian Luciano Custodio Guest Posted: Wed Jul 07, 2004 2:50 pm    Post subject: Truncate a DATE How can I do to truncate a date? I have a date: 01/01/2004 15:20:01 and I need to convert to: 01/01/2004 00:00:00 In PostgreSQL and Interbase I can use the ANSI function CAST('01/01/2004 15:20:01' as DATE), but SQL Server it didn't work Cristian Back to top David Gagnon Guest Posted: Wed Jul 07, 2004 7:28 pm    Post subject: Re: Truncate a DATE This is an ugly way to get what you need. select cast(cast(datepart(mm,columnname) as varchar(2)) + '/' + cast(datepart(dd,columnname) as varchar(2)) + '/' + cast(datepart(yyyy,columnname) as varchar(4)) as datetime) from tablename "Cristian Luciano Custodio" <cristian_custodio (AT) terra (DOT) com.br> wrote in message news:40ec0de4$1 (AT) newsgroups (DOT) borland.com... Quote: How can I do to truncate a date? I have a date: 01/01/2004 15:20:01 and I need to convert to: 01/01/2004 00:00:00 In PostgreSQL and Interbase I can use the ANSI function CAST('01/01/2004 15:20:01' as DATE), but SQL Server it didn't work Cristian Back to top David Gagnon Guest Posted: Wed Jul 07, 2004 7:35 pm    Post subject: Re: Truncate a DATE Oops - forgot an easier way select cast (left(columnname, 12) as datetime) from tablename "David Gagnon" <dgagnonATchartermiDOTnet> wrote Quote: This is an ugly way to get what you need. select cast(cast(datepart(mm,columnname) as varchar(2)) + '/' + cast(datepart(dd,columnname) as varchar(2)) + '/' + cast(datepart(yyyy,columnname) as varchar(4)) as datetime) from tablename "Cristian Luciano Custodio" <cristian_custodio (AT) terra (DOT) com.br> wrote in message news:40ec0de4$1 (AT) newsgroups (DOT) borland.com... How can I do to truncate a date? I have a date: 01/01/2004 15:20:01 and I need to convert to: 01/01/2004 00:00:00 In PostgreSQL and Interbase I can use the ANSI function CAST('01/01/2004 15:20:01' as DATE), but SQL Server it didn't work Cristian Back to top Mike Walsh Guest Posted: Wed Jul 07, 2004 7:58 pm    Post subject: Re: Truncate a DATE "Cristian Luciano Custodio" <cristian_custodio (AT) terra (DOT) com.br> wrote in message news:40ec0de4$1 (AT) newsgroups (DOT) borland.com... Quote: How can I do to truncate a date? I have a date: 01/01/2004 15:20:01 and I need to convert to: 01/01/2004 00:00:00 In PostgreSQL and Interbase I can use the ANSI function CAST('01/01/2004 15:20:01' as DATE), but SQL Server it didn't work Cristian Cristian, That's because MS SQL doesn't have a DATE or TIME, only DATETIME. You can do as David suggested, though that relies on the formatting of the date as a string, and I don't know if that's regionally dependent. Another approach is to take the floor of the date like... cast (floor (cast (YourDate as float)) as datetime) Mike Walsh Back to top David Freeman Guest Posted: Wed Jul 07, 2004 9:16 pm    Post subject: Re: Truncate a DATE "Cristian Luciano Custodio" <cristian_custodio (AT) terra (DOT) com.br> wrote in message news:40ec0de4$1 (AT) newsgroups (DOT) borland.com... Quote: How can I do to truncate a date? I have a date: 01/01/2004 15:20:01 and I need to convert to: 01/01/2004 00:00:00 In PostgreSQL and Interbase I can use the ANSI function CAST('01/01/2004 15:20:01' as DATE), but SQL Server it didn't work Cristian Hi, The above suggestions will work on the database side. In delphi you can do datevariable := trunc(datevariable). A date (tdatetime) is just a double. David Back to top Craig van Nieuwkerk Guest Posted: Wed Jul 07, 2004 10:17 pm    Post subject: Re: Truncate a DATE Quote: Hi, The above suggestions will work on the database side. In delphi you can do datevariable := trunc(datevariable). A date (tdatetime) is just a double. Or "datevariable := DateOf(datevariable);" which does the same thing but is more explanatory IMO. Back to top Tomislav Kardaš Guest Posted: Sun Jul 11, 2004 3:32 pm    Post subject: Re: Truncate a DATE Hi! On Wed, 7 Jul 2004 11:50:48 -0300, "Cristian Luciano Custodio" <cristian_custodio (AT) terra (DOT) com.br> wrote: Quote: How can I do to truncate a date? SELECT @TheDate = convert(datetime, convert(varchar(, @Date, 112)) tomi. 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