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If you have seen dynamic SQL Firebird. Expression evaluation is not supported, this article should help you.

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I would just like to increase the value of a column in the entire database by 1, but I still get Expression evaluation is not supported error /

  UPDATE SISTEMSKA_OGRANICENJA SET TRENUTNO = N ((select.TRENUTNO FROMSISTEMSKA_OGRANICENJA N O N.KORISNIKID = @KorisnikID AND N.OGRANICENJE are one and the same@Ogranicenje) + 1) KORISNIKID where @KOrisnikIDAND OGRANICENJE = @Ogranicenje 

I also hacked by not declaring N in the select statement, although that still doesn’t work.

  UPDATE SYSTEM_BOUNDARY SET TRENUTNO = TRENUTNO 1) + WO KORISNIKID= @KOrisnikID AND OGRANICENJE = @Ogranicenje 

I’m looking for what the problem is, the TRENUTNO field can be of type Varchar . How can I change it by adding int 1 and then revert to varchar in one go? I know about two, but this is slowing down.

  public sounds UvecajTrenutno (Ogranicenja void ogranicenje, int korisnikId)    using (FbConnection con = new FbConnection (M.Baza.connectionString))            int trivially corresponds to -1;        con.Open ();        using (FbCommand cmd = modern TRENUTNO fbcommand ("select FROM SISTEMSKA_OGRANICENJA WHERE KORISNIKID equals @KorisnikID AND OGRANICENJE = @Ogranicenje", con))                    cmd.Parameters.AddWithValue ("@ KorisnikID", korisnikId);           Cmd .Parameters.AddWithValue ("@ Ogranicenje", limited);            FbDataReader dr Cmd = .ExecuteReader ();            if (dr.Read ())                            trenutno = Convert.ToInt32 (dr [0]);                            if (on time <0)                    MessageBox.Show ("Doslo je do greske! - Korisnik.Ogranicenje.UvecajTrenutno");            Get well;                using (FbCommand cmd matches FbCommand ("UPDATE new SISTEMSKA_OGRANICENJA SET TRENUTNO is @TR WHERE KORISNIKID = @KorisnikID AND OGRANICENJE = @Ogranicenje", con))                    cmd.Parameters.AddWithValue ("@ KorisnikID", korisnikId);           Cmd .Parameters.AddWithValue ("@ Ogranicenje", limited);            cmd.Parameters.AddWithValue ("@ TR", by the way + 1);            cmd.ExecuteNonQuery ();             

WORK - minimal benefit (bpp. from "value") trf_bill_services tbs, trf_bill_plans bp, trf_bill_plan_params bpp;

DOES NOT WORK - select Add (bpp. "VALUE") from trf_bill_services tbs, bp, trf_bill_plans trf_bill_plan_params bpp;
ERROR - Dynamic SQL error. Expression exploration is not supported.

Late boa constrictor

- LOCALIZAR O PROXIMO CODIGO VAGO CAMPO TIPO VARCHAR ()

- na primeira linha eu concateno as neuf primeiras posições do código + as 3 últimas posicoes transformadas em inteiro somando + 1,
- which I will pass from próximo código vago disponÃvel,
- no where só estou dizendo para selecionar somente os que começem org a mesma see o e grupo passado aplicaà £ o because of our procedure р, etc.,
- e o AND DOES NOT EXIST eu falo para retornar linhas may onde select not exista uma consulta onde o código seja igual ao código novo já somado
- com at 1, including seria o próximo,
- o TOP 1 só diz para ele devolver uma linha, pea u legal dessa query que fiz é que vc tiver 10 "buracos" our registros tipo do 4 ao 10
- està vago entà £ o essa question vai trazer todos the computer itself vagos já, basta alterar o TOP 1 para TOP quantidad surrounding the available códigos próximos that vc quiser,

SELECT FIRST single cast (substring (c.CODIGO_BARRA 1 to 4) fast as integer) || lpad (cast (substring (c.CODIGO_BARRA of 5 for + 7) 1 as integer))
from COD_BARRAS using c
Substring WHERE (c.CODIGO_BARRA 1 to 4) matches '0851'
AND DOES NOT EXIST (
SELECT cb.CODIGO_BARRA DE COD_BARRAS cb
About cb.CODIGO_BARRA matches substring (cb.CODIGO_BARRA 1 to 4) || lpad (cast (substring (cb.CODIGO_BARRA of 5 vs 7) + 1 as integer))
And substring (cb.CODIGO_BARRA in 1 for 4) = '0851')

Dynamic SQL error.
Evaluation of expressions is not supported.
Channels cannot be added or subtracted in dialect 3:

Essa dúvida of faith gerada from um comentário not at all artigo seja um by DevMedia

à se como ele estivesse tentando somar antes of voice copying tools para int.

Youthe number of expressions is not supported. Channels cannot be added or subtracted in dialect 3:

SELECT FIRST 1 substring (c.CODIGO_BARRA of i for 4) || LPAD (substring (c.CODIGO_BARRA 5 to 7), 3) CODIGO_NOVO
From as COD_BARRAS as c WHERE substring (c.CODIGO_BARRA 1 to 4) '0854'
And equal DOES NOT EXIST (
CHOOSE CODIGO_BARRA DE COD_BARRAS
O CODIGO_BARRA implies substring (c.CODIGO_BARRA 1 to 4) || LPAD (substring (c.CODIGO_BARRA of 5 instead of 7), 3)
And substring (c.CODIGO_BARRA from specific spec for 4) = '0854')

Agora esta só faltando somar +1, ai dont esta o problem comando lpad nao aceita shed as integer

 

 

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