16 lines
696 B
SQL
16 lines
696 B
SQL
-- ============================================================
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-- cc_carousel 补 status 列（幂等）
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-- 新后台 CRUD / 启停开关依赖此列；老表从未有 status
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-- ============================================================
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SET @db := DATABASE();
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SET @exists := (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'cc_carousel' AND COLUMN_NAME = 'status'
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);
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SET @sql := IF(@exists = 0,
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'ALTER TABLE `cc_carousel` ADD COLUMN `status` tinyint(1) NOT NULL DEFAULT 0 COMMENT ''状态 0显示 1隐藏'' AFTER `sort`',
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'SELECT ''skip cc_carousel.status'' AS msg'
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);
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PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
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