FFFire小火1. 金蝶K3数据库架构解析
作为国内主流ERP系统之一，金蝶K3采用典型的三层架构设计，数据存储层主要依赖SQL Server关系型数据库。系统运行时会产生超过2000张数据表，这些表通过主外键关系构成完整的业务逻辑网络。理解这些基础数据表的结构，是进行二次开发、数据分析和系统运维的重要前提。
从技术实现角度看，K3的数据表命名遵循"模块前缀_业务描述"的规则。例如：
- t_ICItem 表示基础资料模块的物料主表
- t_Organization 存储组织架构信息
- t_Voucher 是总账模块的凭证主表
重要提示：直接操作生产环境数据库存在风险，建议在测试环境进行SQL验证，并做好完整备份
需要模型API调用？ 免费领10W Token，多模型网关一键接入 Claude、DeepSeek 等主流模型。
2. 核心基础数据表详解
2.1 物料主数据表结构
t_ICItem表是物料管理的核心，包含以下关键字段：
sql复制CREATE TABLE t_ICItem (
FItemID int PRIMARY KEY, -- 物料内码
FNumber varchar(50), -- 物料编码
FName varchar(100), -- 物料名称
FModel varchar(100), -- 规格型号
FUnitID int, -- 计量单位
FDefaultLoc int, -- 默认仓库
FIsBatchManage bit, -- 批次管理
FIsSNManage bit, -- 序列号管理
FDeleted bit -- 删除标记
)
关联表说明：
- t_ICItemCustom：物料自定义字段
- t_ICItemBase：物料基本属性
- t_ICItemPlan：物料计划属性
2.2 财务凭证相关表
凭证处理涉及的主要表结构：
sql复制-- 凭证头表
SELECT * FROM t_Voucher WHERE FYear=2023 AND FPeriod=7
-- 凭证分录表
SELECT * FROM t_VoucherEntry
WHERE FVoucherID IN (SELECT FVoucherID FROM t_Voucher
WHERE FDate BETWEEN '2023-07-01' AND '2023-07-31')
关键关联表：
- t_Account：会计科目表
- t_Currency：币别表
- t_ExchangeRate：汇率表
3. 常用SQL查询示例
3.1 基础查询模板
sql复制-- 查询库存余额
SELECT a.FItemID, b.FNumber, b.FName, a.FQty
FROM t_ICInventory a
JOIN t_ICItem b ON a.FItemID = b.FItemID
WHERE a.FStockID = 101 -- 仓库ID
-- 查询供应商往来余额
SELECT a.FSupplierID, b.FName, a.FAmount
FROM t_APBalance a
JOIN t_Supplier b ON a.FSupplierID = b.FItemID
WHERE a.FYear = 2023 AND a.FPeriod = 6
3.2 业务分析查询
销售分析查询示例：
sql复制SELECT
c.FNumber AS 客户编码,
c.FName AS 客户名称,
SUM(a.FAmount) AS 销售金额,
COUNT(DISTINCT a.FBillNo) AS 订单数
FROM t_SOOrder a
JOIN t_Customer c ON a.FCustID = c.FItemID
WHERE a.FDate BETWEEN '2023-01-01' AND '2023-06-30'
GROUP BY c.FNumber, c.FName
ORDER BY SUM(a.FAmount) DESC
4. 数据维护与优化实践
4.1 数据清洗SQL示例
sql复制-- 重复物料检查
SELECT FNumber, COUNT(*)
FROM t_ICItem
GROUP BY FNumber
HAVING COUNT(*) > 1
-- 无效单据清理
DELETE FROM t_PORequestEntry
WHERE FInterID NOT IN (SELECT FInterID FROM t_PORequest)
-- 库存负数修正
UPDATE t_ICInventory
SET FQty = 0
WHERE FQty < 0 AND FStockID = 102
4.2 性能优化建议
- 索引优化：
sql复制-- 为常用查询字段创建索引
CREATE INDEX IX_t_Voucher_FDate ON t_Voucher(FDate)
CREATE INDEX IX_t_ICInventory_FItemID ON t_ICInventory(FItemID)
- 查询优化技巧：
- 避免使用SELECT *
- 使用参数化查询防止SQL注入
- 复杂查询拆分为临时表
5. 安全操作规范
- 生产环境操作三原则：
- 必须备份后操作
- 必须限制WHERE条件范围
- 必须使用事务进行测试
sql复制BEGIN TRANSACTION
-- 测试SQL语句
UPDATE t_ICItem SET FName = '测试' WHERE FItemID = 1001
ROLLBACK TRANSACTION
-- 确认无误后改为COMMIT
- 常用系统表查询：
sql复制-- 查询锁表情况
SELECT * FROM sys.dm_tran_locks
WHERE resource_database_id = DB_ID('K3DB')
-- 查询长时间运行会话
SELECT * FROM sys.dm_exec_requests
WHERE status = 'running' AND DB_NAME(database_id) = 'K3DB'
6. 典型问题解决方案
6.1 凭证反过账实现
通过分析数据库操作日志发现，反过账实质是逆向操作：
sql复制-- 1. 查询已过账凭证
SELECT * FROM t_GLVoucher
WHERE FPosted = 1 AND FVoucherID = 12345
-- 2. 反过账操作（需在测试环境验证）
UPDATE t_GLVoucher
SET FPosted = 0, FPosterID = NULL, FPostDate = NULL
WHERE FVoucherID = 12345
-- 3. 删除总账记录
DELETE FROM t_GLBalance
WHERE FVoucherID = 12345
6.2 数据修复案例
科目余额不平修复步骤：
- 先备份相关表
- 查询差异金额：
sql复制SELECT FAccountID, FYear, FPeriod,
FDebit - FCredit AS Balance,
FEndBalance
FROM t_GLBalance
WHERE ABS((FDebit - FCredit) - FEndBalance) > 0.01
- 分析差异原因后修正
7. 高级应用技巧
7.1 跨年度数据查询
sql复制-- 使用UNION ALL合并多年度数据
SELECT FAccountID, FYear, FPeriod, FEndBalance
FROM t_GLBalance
WHERE FAccountID = 5001 AND FYear = 2022
UNION ALL
SELECT FAccountID, FYear, FPeriod, FEndBalance
FROM t_GLBalance
WHERE FAccountID = 5001 AND FYear = 2023
ORDER BY FYear, FPeriod
7.2 存储过程示例
创建月度结账检查存储过程：
sql复制CREATE PROCEDURE sp_GL_MonthEnd_Check
@Year INT,
@Period INT
AS
BEGIN
-- 检查未过账凭证
SELECT COUNT(*) AS UnpostedVouchers
FROM t_Voucher
WHERE FYear = @Year AND FPeriod = @Period AND FPosted = 0
-- 检查损益科目余额
SELECT a.FAccountID, b.FNumber, b.FName, a.FEndBalance
FROM t_GLBalance a
JOIN t_Account b ON a.FAccountID = b.FAccountID
WHERE a.FYear = @Year AND a.FPeriod = @Period
AND b.FAccountType = 5 -- 损益类科目
AND a.FEndBalance <> 0
END
8. 数据接口开发
8.1 外部系统对接方案
- 直接数据库访问（需审批）：
python复制import pyodbc
conn = pyodbc.connect('DRIVER={SQL Server};SERVER=K3DBServer;DATABASE=K3DB;UID=readonly;PWD=123456')
cursor = conn.cursor()
cursor.execute("SELECT FItemID, FNumber, FName FROM t_ICItem WHERE FDeleted=0")
for row in cursor:
print(row.FNumber, row.FName)
conn.close()
- 通过K3 API接口（推荐方式）：
csharp复制KDWebAPI api = new KDWebAPI("http://k3server/K3API");
var result = api.Invoke("BD_Material", "Query", new {
Filter = "FNumber LIKE '01.%'",
PageSize = 100
});
8.2 数据导出优化
大批量数据导出方案：
sql复制-- 使用BCP工具导出
EXEC xp_cmdshell 'bcp "SELECT * FROM K3DB.dbo.t_ICItem" queryout D:\Export\Items.csv -c -t, -T -S K3DBServer'
-- 使用SSIS包定时导出
-- 配置数据流任务时设置合适的缓冲区大小(默认10MB可调整到50MB)
9. 系统表关系图谱
主要模块表关系说明：
-
财务模块：
- t_Voucher → t_VoucherEntry → t_Account
- t_GLBalance ← t_Account
-
供应链模块：
- t_ICItem → t_ICInventory
- t_POOrder → t_POOrderEntry → t_ICItem
-
生产模块：
- t_MO → t_MOEntry → t_ICItem
- t_BOM → t_BOMChild
经验分享：使用SQL Server Diagram功能可以可视化这些关系，但大型数据库建议只加载部分表避免卡顿
10. 实战案例：库存预警系统
基于K3数据库开发库存预警：
sql复制-- 创建库存预警视图
CREATE VIEW v_InventoryAlert AS
SELECT
i.FItemID,
it.FNumber,
it.FName,
i.FStockID,
s.FName AS StockName,
i.FQty,
ib.FMinStock
FROM t_ICInventory i
JOIN t_ICItem it ON i.FItemID = it.FItemID
JOIN t_Stock s ON i.FStockID = s.FItemID
JOIN t_ICItemBase ib ON i.FItemID = ib.FItemID
WHERE i.FQty < ib.FMinStock AND it.FDeleted = 0
-- 创建邮件预警存储过程
CREATE PROCEDURE sp_SendInventoryAlert
AS
BEGIN
DECLARE @body NVARCHAR(MAX)
SET @body = N'<table border="1"><tr><th>物料编码</th><th>物料名称</th><th>仓库</th><th>当前库存</th><th>安全库存</th></tr>'
SELECT @body = @body +
N'<tr><td>' + FNumber + '</td><td>' + FName + '</td><td>' + StockName +
'</td><td>' + CAST(FQty AS VARCHAR) + '</td><td>' + CAST(FMinStock AS VARCHAR) + '</td></tr>'
FROM v_InventoryAlert
SET @body = @body + N'</table>'
EXEC msdb.dbo.sp_send_dbmail
@profile_name = 'K3Alert',
@recipients = 'inventory@company.com',
@subject = '库存预警通知',
@body = @body,
@body_format = 'HTML'
END
11. 数据迁移专项
11.1 新旧系统迁移方案
- 基础资料迁移：
sql复制-- 使用INSERT SELECT语句迁移
INSERT INTO NewK3DB.dbo.t_ICItem(
FItemID, FNumber, FName, FModel, FUnitID)
SELECT
FItemID, FNumber, FName, FModel, FUnitID
FROM OldK3DB.dbo.t_ICItem
WHERE FDeleted = 0
-- 处理自增ID冲突
DBCC CHECKIDENT('t_ICItem', RESEED, 100000)
- 业务数据迁移注意事项：
- 按模块顺序迁移（先基础资料后业务单据）
- 迁移后检查关联完整性
- 使用事务确保一致性
11.2 数据清洗脚本
sql复制-- 处理无效字符
UPDATE t_ICItem
SET FName = REPLACE(REPLACE(FName, CHAR(10), ''), CHAR(13), '')
WHERE FName LIKE '%' + CHAR(10) + '%' OR FName LIKE '%' + CHAR(13) + '%'
-- 标准化日期格式
UPDATE t_Voucher
SET FDate = CONVERT(varchar(10), CONVERT(datetime, FDate, 112), 120)
WHERE ISDATE(FDate) = 1
12. 系统维护SQL集锦
12.1 日常维护脚本
sql复制-- 重建索引
EXEC sp_MSforeachtable 'PRINT ''?''; DBCC DBREINDEX(''?'', '''', 0)'
-- 更新统计信息
EXEC sp_updatestats
-- 检查数据库一致性
DBCC CHECKDB('K3DB') WITH NO_INFOMSGS
12.2 性能监控查询
sql复制-- 查询最耗CPU的SQL
SELECT TOP 10
qs.total_worker_time/qs.execution_count AS avg_cpu_cost,
qs.execution_count,
SUBSTRING(qt.text, (qs.statement_start_offset/2)+1,
((CASE qs.statement_end_offset
WHEN -1 THEN DATALENGTH(qt.text)
ELSE qs.statement_end_offset
END - qs.statement_start_offset)/2)+1) AS query_text
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
ORDER BY avg_cpu_cost DESC
-- 查询缺失索引建议
SELECT
migs.avg_total_user_cost * (migs.avg_user_impact / 100.0) * (migs.user_seeks + migs.user_scans) AS improvement_measure,
mid.statement AS table_name,
mid.equality_columns,
mid.inequality_columns,
mid.included_columns
FROM sys.dm_db_missing_index_group_stats migs
JOIN sys.dm_db_missing_index_groups mig ON migs.group_handle = mig.index_group_handle
JOIN sys.dm_db_missing_index_details mid ON mig.index_handle = mid.index_handle
WHERE mid.database_id = DB_ID('K3DB')
ORDER BY improvement_measure DESC
13. 数据仓库集成方案
13.1 增量抽取设计
sql复制-- 使用时间戳增量抽取
CREATE TABLE dbo.ETL_LastExtract(
TableName varchar(100) PRIMARY KEY,
LastExtractTime datetime
)
-- 凭证增量抽取示例
INSERT INTO DW.dbo.FactVoucher(
VoucherID, Date, Amount)
SELECT
v.FVoucherID, v.FDate, e.FAmount
FROM t_Voucher v
JOIN t_VoucherEntry e ON v.FVoucherID = e.FVoucherID
WHERE v.FDate > (SELECT LastExtractTime FROM ETL_LastExtract
WHERE TableName = 't_Voucher')
-- 更新抽取时间
UPDATE ETL_LastExtract
SET LastExtractTime = GETDATE()
WHERE TableName = 't_Voucher'
13.2 维度表处理技巧
sql复制-- 缓慢变化维处理(Type 2)
INSERT INTO DW.dbo.DimItem(
ItemKey, ItemID, Number, Name,
StartDate, EndDate, CurrentFlag)
SELECT
ROW_NUMBER() OVER(ORDER BY i.FItemID) +
(SELECT MAX(ItemKey) FROM DW.dbo.DimItem),
i.FItemID, i.FNumber, i.FName,
GETDATE(), NULL, 1
FROM t_ICItem i
WHERE NOT EXISTS (
SELECT 1 FROM DW.dbo.DimItem d
WHERE d.ItemID = i.FItemID AND d.CurrentFlag = 1
AND d.Number = i.FNumber AND d.Name = i.FName
)
-- 标记变更记录
UPDATE DW.dbo.DimItem
SET EndDate = GETDATE(), CurrentFlag = 0
WHERE ItemID IN (
SELECT i.FItemID
FROM t_ICItem i
JOIN DW.dbo.DimItem d ON i.FItemID = d.ItemID
WHERE d.CurrentFlag = 1
AND (d.Number <> i.FNumber OR d.Name <> i.FName)
)
AND CurrentFlag = 1
14. 报表开发实战
14.1 财务报表SQL优化
资产负债表查询优化方案：
sql复制-- 原始写法（性能差）
SELECT a.FNumber, a.FName,
(SELECT SUM(FEndBalance)
FROM t_GLBalance b
WHERE b.FAccountID = a.FAccountID
AND b.FYear = 2023 AND b.FPeriod = 6) AS Balance
FROM t_Account a
WHERE a.FAccountType IN (1,2,3,4)
-- 优化写法（使用JOIN）
SELECT a.FNumber, a.FName, SUM(b.FEndBalance) AS Balance
FROM t_Account a
LEFT JOIN t_GLBalance b ON a.FAccountID = b.FAccountID
AND b.FYear = 2023 AND b.FPeriod = 6
WHERE a.FAccountType IN (1,2,3,4)
GROUP BY a.FNumber, a.FName
14.2 自定义报表开发
销售毛利分析报表SQL：
sql复制SELECT
c.FNumber AS 客户编码,
c.FName AS 客户名称,
i.FNumber AS 产品编码,
i.FName AS 产品名称,
SUM(e.FQuantity) AS 销售数量,
SUM(e.FAmount) AS 销售金额,
SUM(e.FCostAmount) AS 成本金额,
SUM(e.FAmount - e.FCostAmount) AS 毛利额,
CASE WHEN SUM(e.FAmount) = 0 THEN 0
ELSE SUM(e.FAmount - e.FCostAmount)/SUM(e.FAmount)
END AS 毛利率
FROM t_SOOrder o
JOIN t_SOOrderEntry e ON o.FInterID = e.FInterID
JOIN t_Customer c ON o.FCustID = c.FItemID
JOIN t_ICItem i ON e.FItemID = i.FItemID
WHERE o.FDate BETWEEN '2023-01-01' AND '2023-06-30'
GROUP BY c.FNumber, c.FName, i.FNumber, i.FName
HAVING SUM(e.FAmount) > 0
ORDER BY SUM(e.FAmount - e.FCostAmount) DESC
15. 系统升级数据准备
15.1 版本兼容性检查
sql复制-- 检查已使用的自定义字段
SELECT * FROM t_TableDescription
WHERE FTableName IN (
SELECT name FROM sys.tables
WHERE name LIKE 't_%'
)
-- 检查已弃用表的使用情况
SELECT DISTINCT OBJECT_NAME(referencing_id) AS UsingObject
FROM sys.sql_expression_dependencies
WHERE referenced_id = OBJECT_ID('t_DeprecatedTable')
15.2 数据转换脚本
sql复制-- 新旧版本字段映射转换
INSERT INTO NewK3DB.dbo.t_NewTable(
FID, FName, FType)
SELECT
FItemID, FName,
CASE FType
WHEN 'A' THEN 1
WHEN 'B' THEN 2
ELSE 0
END
FROM OldK3DB.dbo.t_OldTable
WHERE FDeleted = 0
-- 处理数据结构变更
UPDATE t
SET t.FNewField = o.FOldField
FROM NewK3DB.dbo.t_NewTable t
JOIN OldK3DB.dbo.t_OldTable o ON t.FID = o.FItemID
WHERE t.FNewField IS NULL
16. 异常数据处理
16.1 数据一致性修复
凭证借贷不平修复方案：
sql复制-- 查找不平凭证
SELECT v.FVoucherID, v.FDate, v.FBillNo,
SUM(e.FDebit) AS TotalDebit,
SUM(e.FCredit) AS TotalCredit,
SUM(e.FDebit) - SUM(e.FCredit) AS Diff
FROM t_Voucher v
JOIN t_VoucherEntry e ON v.FVoucherID = e.FVoucherID
GROUP BY v.FVoucherID, v.FDate, v.FBillNo
HAVING ABS(SUM(e.FDebit) - SUM(e.FCredit)) > 0.01
-- 修复方案（需根据实际情况调整）
BEGIN TRANSACTION
-- 1. 备份异常凭证
INSERT INTO t_Voucher_Bak
SELECT * FROM t_Voucher WHERE FVoucherID = 12345
INSERT INTO t_VoucherEntry_Bak
SELECT * FROM t_VoucherEntry WHERE FVoucherID = 12345
-- 2. 调整分录金额（示例）
UPDATE t_VoucherEntry
SET FDebit = FCredit
WHERE FVoucherID = 12345 AND FEntryID = 3
-- 3. 验证
SELECT SUM(FDebit), SUM(FCredit)
FROM t_VoucherEntry
WHERE FVoucherID = 12345
COMMIT TRANSACTION
16.2 并发冲突解决
sql复制-- 检测死锁
SELECT
tl.request_session_id,
wt.blocking_session_id,
tl.resource_type,
tl.resource_database_id,
tl.resource_associated_entity_id,
tl.request_mode,
tl.request_status
FROM sys.dm_tran_locks tl
JOIN sys.dm_os_waiting_tasks wt ON tl.lock_owner_address = wt.resource_address
-- 解决锁表现场
KILL 55 -- 终止阻塞会话
17. 数据安全策略
17.1 敏感数据保护
sql复制-- 加密存储银行账号
CREATE SYMMETRIC KEY K3_Data_Key
WITH ALGORITHM = AES_256
ENCRYPTION BY PASSWORD = 'ComplexP@ssw0rd!'
-- 加密敏感列
OPEN SYMMETRIC KEY K3_Data_Key DECRYPTION BY PASSWORD = 'ComplexP@ssw0rd!'
UPDATE t_Supplier
SET FBankAccountEncrypt = ENCRYPTBYKEY(KEY_GUID('K3_Data_Key'), FBankAccount)
WHERE FBankAccount IS NOT NULL
CLOSE SYMMETRIC KEY K3_Data_Key
17.2 审计日志实现
sql复制-- 创建审计表
CREATE TABLE t_DBAudit(
FLogID int IDENTITY PRIMARY KEY,
FUserID varchar(50),
FOperationTime datetime,
FTableName varchar(100),
FOperationType varchar(20),
FKeyValue varchar(100),
FOriginalData xml,
FNewData xml
)
-- 创建更新触发器
CREATE TRIGGER tr_ICItem_Audit ON t_ICItem
AFTER UPDATE
AS
BEGIN
INSERT INTO t_DBAudit(
FUserID, FOperationTime, FTableName,
FOperationType, FKeyValue,
FOriginalData, FNewData)
SELECT
SUSER_NAME(), GETDATE(), 't_ICItem',
'UPDATE', CAST(i.FItemID AS varchar),
(SELECT * FROM deleted FOR XML PATH('')),
(SELECT * FROM inserted FOR XML PATH(''))
FROM inserted i
END
18. 云端部署适配
18.1 云数据库配置
sql复制-- 弹性查询配置（跨数据库查询）
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'CloudP@ss123';
CREATE DATABASE SCOPED CREDENTIAL K3CloudCred
WITH IDENTITY = 'k3user', SECRET = 'UserP@ss456';
CREATE EXTERNAL DATA SOURCE K3CloudDB
WITH (
TYPE = RDBMS,
LOCATION = 'k3cloud.database.windows.net',
DATABASE_NAME = 'K3CloudDB',
CREDENTIAL = K3CloudCred
);
-- 创建外部表
CREATE EXTERNAL TABLE dbo.ext_ICItem(
FItemID int,
FNumber varchar(50),
FName varchar(100)
)
WITH (
DATA_SOURCE = K3CloudDB,
SCHEMA_NAME = 'dbo',
OBJECT_NAME = 't_ICItem'
);
18.2 混合云数据同步
sql复制-- 使用事务复制实现数据同步
-- 发布服务器配置
EXEC sp_addpublication
@publication = 'K3Replication',
@description = 'K3 cloud data replication',
@sync_method = 'native',
@repl_freq = 'continuous',
@status = 'active';
-- 订阅服务器配置
EXEC sp_addsubscription
@publication = 'K3Replication',
@subscriber = 'cloudserver.database.windows.net',
@destination_db = 'K3CloudDB',
@subscription_type = 'Push';
19. 性能调优实战
19.1 查询计划优化
sql复制-- 强制使用索引提示
SELECT v.FVoucherID, v.FDate, e.FAccountID, e.FAmount
FROM t_Voucher v WITH (INDEX(IX_t_Voucher_FDate))
JOIN t_VoucherEntry e WITH (INDEX(IX_t_VoucherEntry_FVoucherID))
ON v.FVoucherID = e.FVoucherID
WHERE v.FDate BETWEEN '2023-01-01' AND '2023-06-30'
-- 优化统计信息
UPDATE STATISTICS t_ICInventory WITH FULLSCAN
UPDATE STATISTICS t_Voucher WITH FULLSCAN, ROWCOUNT = 10000000
19.2 参数化查询最佳实践
sql复制-- 创建参数化存储过程
CREATE PROCEDURE sp_GetVoucherByDate
@StartDate datetime,
@EndDate datetime
AS
BEGIN
SET NOCOUNT ON;
SELECT v.FVoucherID, v.FBillNo, v.FDate,
e.FExplanation, e.FDebit, e.FCredit
FROM t_Voucher v
JOIN t_VoucherEntry e ON v.FVoucherID = e.FVoucherID
WHERE v.FDate BETWEEN @StartDate AND @EndDate
ORDER BY v.FDate, v.FBillNo
END
-- 应用程序调用示例
EXEC sp_GetVoucherByDate '2023-01-01', '2023-06-30'
20. 扩展开发接口
20.1 Web API封装
csharp复制// ASP.NET Core Web API示例
[ApiController]
[Route("api/k3/[controller]")]
public class ItemController : ControllerBase
{
private readonly string _connStr;
public ItemController(IConfiguration config)
{
_connStr = config.GetConnectionString("K3DB");
}
[HttpGet("{id}")]
public IActionResult GetItem(int id)
{
using var conn = new SqlConnection(_connStr);
var item = conn.QueryFirstOrDefault<ItemDto>(
"SELECT FItemID, FNumber, FName FROM t_ICItem WHERE FItemID = @id",
new { id });
return item == null ? NotFound() : Ok(item);
}
}
public class ItemDto
{
public int FItemID { get; set; }
public string FNumber { get; set; }
public string FName { get; set; }
}
20.2 消息队列集成
sql复制-- 配置Service Broker
ALTER DATABASE K3DB SET ENABLE_BROKER;
-- 创建消息类型和队列
CREATE MESSAGE TYPE [K3DataChanged]
VALIDATION = WELL_FORMED_XML;
CREATE CONTRACT [K3Contract] (
[K3DataChanged] SENT BY INITIATOR
);
CREATE QUEUE [K3DataQueue];
CREATE SERVICE [K3DataService]
ON QUEUE [K3DataQueue] ([K3Contract]);
-- 创建变更通知触发器
CREATE TRIGGER tr_ICItem_Notify ON t_ICItem
AFTER INSERT, UPDATE, DELETE
AS
BEGIN
DECLARE @message xml
SET @message = (
SELECT
CASE
WHEN EXISTS(SELECT 1 FROM inserted) AND
EXISTS(SELECT 1 FROM deleted) THEN 'UPDATE'
WHEN EXISTS(SELECT 1 FROM inserted) THEN 'INSERT'
ELSE 'DELETE'
END AS Operation,
GETDATE() AS ChangeTime,
USER_NAME() AS ChangeUser,
(SELECT * FROM inserted FOR XML PATH('Item')) AS Data
FOR XML PATH('Change')
)
DECLARE @handle uniqueidentifier
BEGIN DIALOG @handle
FROM SERVICE [K3DataService]
TO SERVICE 'K3DataService'
ON CONTRACT [K3Contract]
WITH ENCRYPTION = OFF;
SEND ON CONVERSATION @handle
MESSAGE TYPE [K3DataChanged] (@message);
END CONVERSATION @handle;
END