添加创建索引的脚本

创建索引的脚本.txt

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+
+-- T_PLN_RESERVEBILL表索引创建脚本
+BEGIN TRANSACTION;
+GO
+
+-- 动态生成表名+字段名的索引
+DECLARE @table_name NVARCHAR(128) = 'T_PLN_RESERVEBILL';
+DECLARE @sql NVARCHAR(MAX) = '';
+
+SELECT @sql += 
+    CASE WHEN NOT EXISTS (
+        SELECT * FROM sys.indexes 
+        WHERE name = 'IX_' + @table_name + '_' + COLUMN_NAME 
+        AND object_id = OBJECT_ID(@table_name)
+    )
+    THEN 'CREATE INDEX IX_' + @table_name + '_' + COLUMN_NAME + ' ON ' + 
+         QUOTENAME(@table_name) + '(' + QUOTENAME(COLUMN_NAME) + ');' + CHAR(13) +
+         'PRINT ''索引IX_' + @table_name + '_' + COLUMN_NAME + '创建成功'';' + CHAR(13)
+    ELSE 'PRINT ''索引IX_' + @table_name + '_' + COLUMN_NAME + '已存在'';' + CHAR(13)
+    END
+FROM INFORMATION_SCHEMA.COLUMNS 
+WHERE TABLE_NAME = @table_name
+AND COLUMN_NAME LIKE '%ID';
+
+EXEC sp_executesql @sql;
+GO
+
+-- 验证索引创建结果
+SELECT 
+    i.name AS 索引名称,
+    COL_NAME(ic.object_id, ic.column_id) AS 字段名
+FROM sys.indexes i
+INNER JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
+WHERE i.object_id = OBJECT_ID('T_PLN_RESERVEBILL')
+ORDER BY i.name;
+GO
+
+COMMIT TRANSACTION;
+GO