Postgres Omnis
Much Faster in Postgres to eliminate all data from a table is
Truncate fcustomer
————
Doug Easterbrook
Arts Management Systems Ltd.
doug@artsman.com
> On Feb 14, 2018, at 4:59 PM, Das Goravani <das@Goravani.com> wrote:
>
>
> I use Postgres too. This one line of code deletes all records from a table:
>
> Do $ctask.tstaobj.$execdirect(‘DELETE FROM customers’)
>
> It doesn’t need to be harder. It’s done from the statement object and you just say Delete from
>
>
>> On Feb 14, 2018, at 2:57 PM, Chris Hughes <ataddata@bigpond.net.au> wrote:
>>
>> I am trying to delete a whole table with following command.
>>
>> This basic command runs in the PGAdmin window.
>>
>>
>>
>> ; pTableName
>>
>> ; “Truncate” is SQL for delete all records
>>
>> ;
>>
>> Do tSessionObj.$newstatement Returns LvStatementObj
>>
>> If isclear(LvStatementObj)
>>
>> Breakpoint {bug trap}
>>
>> End If
>>
>> Calculate LvSQL as con(‘TRUNCATE TABLE ‘,pTableName,’ RESTART IDENTITY;’)
>>
>> Do LvStatementObj.$prepare([LvSQL]) Returns LvError ;; LvStatementObj
>>
>> Do LvStatementObj.$execute() Returns LvError ;; LvStatementObj
>>
>> If LvStatementObj.$errorcode
>>
>> OK message Truncate Delete Failed {[LvStatementObj.$nativeerrortext]
>> [LvStatementObj.$errorcode]}
>>
>> Quit method kFalse
>>
>> End If
>>
>> Quit method kTrue
>>
>>
>>
>>
>>
>>
>>
>> Chris Hughes
>>
>>
>>
>> Copious Data Pty Ltd (Trading as Atad Data)
>>
>> Unit 8 /3460 Pacific Highway
>>
>> Springwood QLD 4127
>>
>> Phone No:- 07 3208 6347
>>
>> Mobile No:- 0409 263 349
>>
>> Fax No:- 07 3208 9347
>>
>> Email:- ataddata@bigpond.net.au
>>
>> Web Site:- ataddata.com.au
>>
>>
>>
>>
>>
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