Mike,
when i execute the below sql statement directly in the database using
sqlyog,it works fine but when tried with sqlalchemy it didn't.
update mytable set EmpMaster = cast(empno as UNSIGNED INTEGER)
On Sep 14, 8:23 pm, pravin battula <pravin.batt...@gmail.com> wrote:
> Hi Mike,
>
> I'm using Mysql 5.0 backend
>
> On Sep 14, 8:20 pm, Mike Conley <mconl...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Don't know what database you are using, but this looks like you are trying
> > to cast the string 'testing' to an integer and the database engine says you
> > can't do that.
>
> > --
> > Mike Conley
>
> > On Wed, Sep 14, 2011 at 9:51 AM, pravin battula
> > <pravin.batt...@gmail.com>wrote:
>
> > > Sorry for the spelling mistake.It shows an error as below.
> > > OperationalError: (OperationalError) (1292, "Truncated incorrect
> > > INTEGER value: 'testing'") 'UPDATE test.mytable SET
> > > `newColumn`=CAST(test.mytable.`empno` AS SIGNED INTEGER)' ()
>
> > > On Sep 14, 6:48 pm, pravin battula <pravin.batt...@gmail.com> wrote:
> > > > Hi,
>
> > > > I'm using cast to update values in a table by issuing following
> > > > command.
>
> > > > table.update().values(empno = cast(empno,Integer)).execute().
>
> > > > Where as empno is an string field,i'm trying to convert the data from
> > > > empno column from string to integer and then issuing the below command
> > > > to alter the data type of the column by issuing following command.
> > > > alter_column(table.c.empno,type=Integer).
>
> > > > It shows an error as
> > > > OperationalError: (OperationalError) (1292, "Truncated incorrect
> > > > INTEGER value: '1d'") 'UPDATE test.mytable SET
> > > > `newColumn`=CAST(CAST(%s AS CHAR) AS SIGNED INTEGER)' ('1d',)
>
> > > > Please do the needful
>
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