在sql查询编辑器中,我有以下命令:
SET IDENTITY_INSERT tUserPreference ON
BULK INSERT tUserPreference
FROM 'D:\test.txt'
WITH
( KEEPIDENTITY,
BATCHSIZE = 2,
FIRSTROW = 2,
FIELDTERMINATOR = ',' ,
ROWTERMINATOR = '\n',
DATAFILETYPE = 'char',
KEEPNULLS
);
SET IDENTITY_INSERT tUserPreference OFF
GO
test.txt的内容:
"UserPreferenceId","UserId","UserPreferenceValue","UserPreferenceTypeId"
7858,1194,"FSP,FRB,FWF,FBVS,FRRC",15
7859,1194,"FIRM",21
7860,1194,"009,61,114,142,174,233,262,286,303,325,369,389,411,671,690,735,938,943,977,105,200",11
7861,1194,"B545,B441",12
7862,1194,"{"FIRM":{"accountType":"Firm","timeInForce":"DAY","routing":"DNR","isAllOrNone":false}}",2
但是当我执行这些命令时,我看到以下结果:
Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 2, column 4 (UserPreferenceTypeId).
Msg 2627, Level 14, State 1, Line 3
Violation of PRIMARY KEY constraint 'PK_tUserPreference_UserPreferenceId'. Cannot insert duplicate key in object 'dbo.tUserPreference'. The duplicate key value is (7859).
The statement has been terminated.
且只插入一行(7861,1194,"B545,B441",12
)
表创建脚本:
CREATE TABLE [dbo].[tUserPreference](
[UserPreferenceId] [int] IDENTITY(1,1) NOT NULL,
[UserId] [int] NULL,
[UserPreferenceValue] [varchar](max) NULL,
[UserPreferenceTypeId] [int] NOT NULL,
CONSTRAINT [PK_tUserPreference_UserPreferenceId] PRIMARY KEY CLUSTERED
....
如何使用批量插入正确插入?
答案 0 :(得分:0)
CREATE TABLE tUserPreference1 (DataField VARCHAR(1000))
BULK INSERT tUserPreference1
FROM 'C:\Shared\text.txt'
WITH
(
FIRSTROW = 2,
ROWTERMINATOR = '\n',
DATAFILETYPE = 'char',
KEEPNULLS
);
select SUBSTRING(DataField,1,4) AS UserPreferenceId
,SUBSTRING(DataField,6,4) AS UserId
,REVERSE(SUBSTRING(REVERSE(DataField),1,CHARINDEX(',',REVERSE(DataField))-1)) UserPreferenceTypeId
,DataField
INTO tUserPreference2
from tUserPreference1
SELECT *
,SUBSTRING(DataField,11,LEN(DataField)-(11+LEN(UserPreferenceTypeId))) AS UserPreferenceValue
FROM tUserPreference2