34 lines
706 B
Transact-SQL
34 lines
706 B
Transact-SQL
CREATE OR ALTER TRIGGER TR_Chamado_GerarCodigo
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ON Chamado
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AFTER INSERT
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AS
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BEGIN
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SET NOCOUNT ON;
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DECLARE @UltimoNumero INT;
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SELECT @UltimoNumero =
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ISNULL(
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MAX(
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CAST(
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REPLACE(CODIGO, 'CH', '')
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AS INT)
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),
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99)
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FROM Chamado
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WHERE CODIGO IS NOT NULL;
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;WITH Numerados AS
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(
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SELECT
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ID_CHAMADO,
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ROW_NUMBER() OVER (ORDER BY ID_CHAMADO) AS Linha
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FROM inserted
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)
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UPDATE C
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SET CODIGO = 'CH' + RIGHT('0000' + CAST(@UltimoNumero + N.Linha AS VARCHAR), 4)
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FROM Chamado C
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INNER JOIN Numerados N
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ON C.ID_CHAMADO = N.ID_CHAMADO;
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END
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GO |