55 lines
1.7 KiB
SQL
55 lines
1.7 KiB
SQL
-- 添加作品热门相关字段
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-- 执行时间：2026-01-08
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USE `zhibo`;
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-- 检查字段是否已存在，如果不存在则添加
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-- 添加 is_hot 字段（如果不存在）
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SET @col_exists = 0;
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SELECT COUNT(*) INTO @col_exists
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = 'zhibo'
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AND TABLE_NAME = 'eb_works'
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AND COLUMN_NAME = 'is_hot';
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SET @sql = IF(@col_exists = 0,
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'ALTER TABLE `eb_works` ADD COLUMN `is_hot` tinyint DEFAULT 0 COMMENT ''是否热门：1-是 0-否'' AFTER `status`',
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'SELECT ''字段 is_hot 已存在'' AS message');
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 添加 hot_time 字段（如果不存在）
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SET @col_exists = 0;
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SELECT COUNT(*) INTO @col_exists
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = 'zhibo'
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AND TABLE_NAME = 'eb_works'
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AND COLUMN_NAME = 'hot_time';
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SET @sql = IF(@col_exists = 0,
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'ALTER TABLE `eb_works` ADD COLUMN `hot_time` datetime DEFAULT NULL COMMENT ''设置热门的时间'' AFTER `is_hot`',
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'SELECT ''字段 hot_time 已存在'' AS message');
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 添加索引（如果不存在）
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SET @index_exists = 0;
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SELECT COUNT(*) INTO @index_exists
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FROM information_schema.STATISTICS
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WHERE TABLE_SCHEMA = 'zhibo'
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AND TABLE_NAME = 'eb_works'
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AND INDEX_NAME = 'idx_is_hot';
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SET @sql = IF(@index_exists = 0,
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'ALTER TABLE `eb_works` ADD INDEX `idx_is_hot` (`is_hot`)',
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'SELECT ''索引 idx_is_hot 已存在'' AS message');
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 查看最终结果
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SHOW COLUMNS FROM `eb_works` LIKE '%hot%';
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SELECT '作品热门字段添加完成！' AS result;
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