68 lines
2.0 KiB
Plaintext
68 lines
2.0 KiB
Plaintext
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-- 修正版全库ID字段索引创建脚本
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BEGIN TRY
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BEGIN TRANSACTION;
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-- 创建临时表存储需要创建索引的表和字段
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CREATE TABLE #IndexCreationList (
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TableName NVARCHAR(128),
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ColumnName NVARCHAR(128)
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);
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-- 找出所有需要创建索引的字段
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INSERT INTO #IndexCreationList
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SELECT
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t.name AS TableName,
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c.name AS ColumnName
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FROM sys.tables t
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JOIN sys.columns c ON t.object_id = c.object_id
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WHERE c.name LIKE '%ID'
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AND t.is_ms_shipped = 0
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AND NOT EXISTS (
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SELECT 1 FROM sys.indexes i
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JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
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WHERE i.object_id = t.object_id
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AND ic.column_id = c.column_id
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AND i.name = 'IX_' + t.name + '_' + c.name
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);
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-- 动态生成并执行创建索引的SQL
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DECLARE @sql NVARCHAR(MAX) = '';
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SELECT @sql = @sql +
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'CREATE INDEX IX_' + TableName + '_' + ColumnName +
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' ON ' + QUOTENAME(TableName) + '(' + QUOTENAME(ColumnName) + ');' + CHAR(13)
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FROM #IndexCreationList;
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IF LEN(@sql) > 0
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BEGIN
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EXEC sp_executesql @sql;
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PRINT '成功创建 ' + CAST(@@ROWCOUNT AS NVARCHAR(10)) + ' 个索引';
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END
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ELSE
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BEGIN
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PRINT '没有需要创建的索引，所有ID字段索引已存在';
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END
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-- 验证结果
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SELECT
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t.name AS 表名,
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i.name AS 索引名称,
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c.name AS 字段名
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FROM sys.tables t
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JOIN sys.indexes i ON t.object_id = i.object_id
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JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
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JOIN sys.columns c ON ic.object_id = c.object_id AND ic.column_id = c.column_id
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WHERE i.name LIKE 'IX_%_%ID'
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ORDER BY t.name, i.name;
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DROP TABLE #IndexCreationList;
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COMMIT TRANSACTION;
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END TRY
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BEGIN CATCH
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IF @@TRANCOUNT > 0
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ROLLBACK TRANSACTION;
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PRINT '错误发生: ' + ERROR_MESSAGE();
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PRINT '错误行号: ' + CAST(ERROR_LINE() AS NVARCHAR(10));
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END CATCH;
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