OpenEuphoria

• Posted by Oct 23, 2003
• 2187 views

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 with ESMTPA id <0HN600FYZQUF5M at TDIMSO27.backend.tdata.com.ar> for
 EUforum at topica.com; Wed, 22 Oct 2003 22:01:28 -0300 (GMT)
From: Guillermo Bonvehi <knixeur at speedy.com.ar>
Subject: Re: Simple eusql prog now works - kinda
lla
 vundefinedundefined) Gecko/20030624

I hadn=B4t been following this threat but you create a variable named data=
=20
  and you don=B4t assing anything to it, and then pass it in the=20
get_record function. What are u passing if data contains nothing? :)
That=B4s the error.

ronaustin at alltel.net wrote:
>=20
>=20
> Thanks to Matt I saw the error of my way and now have a new simple=20
> program that does write records to the eusql database.
>=20
> include database.e
> include eusql.e
>=20
> sequence   dbname,
> 	   tname,
> 	   ok,
> 	   code,    -- code=20
> 	   descrip, -- descripton
> 	   categ    -- category
>=20=09=20
>=20=09=20
>     dbname    =3D open_db("TEST.EDB")
>     tname     =3D "DIAG"
>     code      =3D "V43.1"
>     descrip   =3D "Psudoaphakia"
>     categ     =3D "Surg"
>=20=20=20=20=20
>     ok =3D    insert_record(dbname,tname,blank_record(dbname,tname),
>     {code,descrip,categ},{{1},{2},{3}})
>=20
>     close_db (dbname)
>=20
> Before I started dancing around and throwing my hat in the air I thought=
=20
> I should try to read a record out of the database.  Alas, this program=
=20
> don't work.
>=20
> include database.e
> include eusql.e
>=20
>=20
> sequence ok,
> 	 dbname,
> 	 tname,
> 	 data
>=20
>          integer key
>                  key =3D 1
>=20
> 	 dbname =3D "TEST.EDB"
> 	 tname  =3D "DIAG"
>=20=09=09=20=20=20=20=20
>     ok =3D open_db(dbname)
>     ok =3D get_record(dbname,tname,"V43.1",data,key)
>     puts(1,data)
>=20
>     close_db (dbname)
>=20
> I get an error that says,"variable data not defined".  Can someone tell=
=20
> me why?
>=20
> In the database I have an index for all three fields.  I'm trying to use=
=20
> the code for the key and I have the key set to 1.
>=20
> If I wanted to find by diagnosis do I replace the "V43.1" with what I'm=
=20
> looking for and change the key to 3?=20=20
>=20
> (Since the index table is sorted in alph order, the indexes are  1 =3D=
=20
> code, 2 =3D category and 3 =3D Description)