Tôi có truy vấn tôi cần chạy truy vấn dưới dạng truy vấn động để xuất tên cột có ý nghĩa. Ví dụ, nếu tôi chạy truy vấn trực tiếp, nó sẽ trả về dữ liệu chính xác. Tuy nhiên, nếu tôi sử dụng mã dưới đây, nó cho thấy:exec không thành công vì tên không phải là số nhận dạng hợp lệ?
The name '
SELECT (CASE WHEN A.Domain IS NOT NULL THEN A.Domain ELSE B.Domain END) AS [Domain],
(CASE WHEN A.Email IS NOT NULL THEN A.Email ELSE B.Email END) AS [Email],
A.[Sender Size] AS [Sender Size 1], A.[Sender Count] AS [Sender Count 1],
A.[Receiver Size] AS [Receiver Size 1], A.[Receiver Count] AS [Receiver Count 1],
A.[Sender Size 2] AS [Sender Size 2], A.[Sender Count 2] AS [Sender Count 2],
A.[Receiver Size 2] AS [Receiver Size 2], A.[Receiver Count 2] AS [Receiver Count 2],
B.SenderSize AS [Sender Size Average], B.SenderCount AS [Sender Count Average],
B.ReceiverSize AS [Receiv' is not a valid identifier.
Dưới đây là các mã:
DECLARE @query NVARCHAR(4000)
SET @query = N'SELECT *
FROM
(
SELECT (CASE WHEN A.Domain IS NOT NULL THEN A.Domain ELSE B.Domain END) AS [Domain],
(CASE WHEN A.Email IS NOT NULL THEN A.Email ELSE B.Email END) AS [Email],
A.[Sender Size] AS [Sender Size 1], A.[Sender Count] AS [Sender Count 1],
A.[Receiver Size] AS [Receiver Size 1], A.[Receiver Count] AS [Receiver Count 1],
A.[Sender Size 2] AS [Sender Size 2], A.[Sender Count 2] AS [Sender Count 2],
A.[Receiver Size 2] AS [Receiver Size 2], A.[Receiver Count 2] AS [Receiver Count 2],
B.SenderSize AS [Sender Size Average], B.SenderCount AS [Sender Count Average],
B.ReceiverSize AS [Receiver Size Average], B.ReceiverCount AS [Receiver Count Average]
FROM
(
SELECT (CASE WHEN tf.Domain IS NOT NULL THEN tf.Domain ELSE tf2.Domain END) AS Domain,
(CASE WHEN tf.Email IS NOT NULL THEN tf.Email ELSE tf2.Email END) AS Email,
ISNULL(tf.SenderSize,0) AS [Sender Size] , ISNULL(tf.SenderCount,0) AS [Sender Count], ISNULL(tf.ReceiverSize,0) AS [Receiver Size], ISNULL(tf.ReceiverCount,0) AS [Receiver Count],
ISNULL(tf2.SenderSize,0) AS [Sender Size 2], ISNULL(tf2.SenderCount,0) AS [Sender Count 2], ISNULL(tf2.ReceiverSize,0) AS [Receiver Size 2], ISNULL(tf2.ReceiverCount,0) AS [Receiver Count 2]
FROM #TrafficFinal tf FULL JOIN #TrafficFinal2 tf2 ON (tf.Email = tf2.Email AND tf.Domain = tf2.Domain)
) A FULL JOIN #TrafficFinal3 B ON (A.Email = B.Email AND A.Domain = B.Domain)
) C
ORDER BY Domain, Email';
PRINT @query;
-- run it
exec @query;
Có phải vì của đầy đủ tham gia?
xin lỗi về điều đó. tôi mất một lúc để tìm ra biểu tượng kiểm tra có thể được nhấp vào. – urlreader