Question

如果插入的记录符合某些条件，我需要在SQL表中创建一个触发器来发送电子邮件。也就是说，我在表1中创建触发器，如果在插入的记录中，则向X发送电子邮件，字段IdCircuito = 53，IdTipoDoc = 45，Gestor ='Gest1'。此外，在电子邮件正文中，我希望显示该插入记录的某个字段的值。我做过类似的事情，但无论插入的记录如何，触发器总是执行：

CREATE TRIGGER dbo.SendEmail   
   ON  dbo.TitulosDoc 
   AFTER INSERT
AS 

BEGIN        
SET NOCOUNT ON;
IF EXISTS (SELECT 1 FROM TitulosDoc WHERE IdCircuito = 53 AND IdTipoDoc = 45 AND Gestor = 'Gest1')
BEGIN
    EXEC msdb.dbo.sp_send_dbmail
      @recipients = 'rsg@gmail.com', 
      @subject = 'New requeriment', 
      @body = 'It's a new requeriment: ';
END
END
GO

在body中我想要显示带有插入记录字段值的文字文本： @body ='这是一个新的requeriment：'+ TitulosDoc.NombreDocumento;

有人能帮助我吗？谢谢

Answer 1

要访问插入的行，您需要从INSERTED中进行选择。试试这个：

CREATE TRIGGER dbo.SendEmail   
   ON  dbo.TitulosDoc 
   AFTER INSERT
AS 

BEGIN        
SET NOCOUNT ON;

DECLARE @NombreDocumento VARCHAR(MAX) = (SELECT INSERTED.NombreDocumento 
                                         FROM INSERTED 
                                         WHERE INSERTED.IdCircuito = 53 
                                         AND INSERTED.IdTipoDoc = 45 
                                         AND INSERTED.Gestor = 'Gest1')

IF @NombreDocumento IS NOT NULL
BEGIN

    EXEC msdb.dbo.sp_send_dbmail
      @recipients = 'rsg@gmail.com', 
      @subject = 'New requeriment', 
      @body = 'It''s a new requeriment: ' + @NombreDocumento;
END
END
GO

Answer 2

我会做Sean Lange所说的...创建一个名为TempTitulosDoc的物理表，然后将您的记录插入需要通过电子邮件发送的记录。在触发器中执行此操作。

CREATE TRIGGER dbo.SendEmail   
   ON  dbo.TitulosDoc 
   AFTER INSERT
AS 

BEGIN        
SET NOCOUNT ON;
BEGIN

    INSERT INTO TempTiulosDoc(field1, field2, EmailStatus)
    SELECT field1, field2, 0 AS EmailStatus --Email NOT sent
    FROM TitulosDoc 
    WHERE IdCircuito = 53 AND IdTipoDoc = 45 AND Gestor = 'Gest1'

END
END
GO

创建一个这样的存储过程，循环遍历这些记录并发送电子邮件。完成后，更新TempTitlosDoc，状态为1表示已发送的电子邮件。

DECLARE @loopCount      INT
DECLARE @field1         VARCHAR(10)
DECLARE @field2         VARCHAR(10)
DECLARE @EmailStatus    int

--Create Temp Table
CREATE TABLE #Temp
(
    id int not null identity,
    field1 VARCHAR(10),
    field2 VARCHAR(10),
    EmailStatus int
)

--Insert Tasks to temp table
INSERT INTO #Temp (field1, field2, EmailStatus) 
SELECT field1, field2, EmailStatus
FROM dbo.TempTiulosDoc
WHERE Status = 0

--Set a loopCount for while loop
SET @loopCount = 1

--Use the while loop to check if we have any Tasks left to send
while ( exists(SELECT id FROM #Temp WHERE id = @loopCount) )
    BEGIN

        --Get current record in temp table
        SELECT  @field1             = field1,
                @field2             = field2,
                @EmailStatus        = EmailStatus
        FROM #Temp
        WHERE id = @loopCount

        EXEC msdb.dbo.sp_send_dbmail
          @recipients = 'rsg@gmail.com', 
          @subject = 'New requeriment', 
          @body = 'It''s a new requeriment: ' + @NombreDocumento;

        --Update your work table with the status of 1 so it's not picked up again
        UPDATE teq
        SET teq.@EmailStatus = 1
        FROM dbo.TempTiulosDoc teq
        WHERE teq.id = @field1

        SET @loopCount = @loopCount + 1

    END

SQL触发器发送电子邮件

2 个答案: