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Co-authored-by: Cursor <cursoragent@cursor.com>
39 lines
1.1 KiB
SQL
39 lines
1.1 KiB
SQL
-- 存量库：SKU / 订单申报增加「出口申报要素」DeclareElement
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-- 可重复执行；仅在列不存在时 ADD。
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SET @db := DATABASE();
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-- c_sku.DeclareElement
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SET @exists := (
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SELECT COUNT(1)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db
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AND TABLE_NAME = 'c_sku'
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AND COLUMN_NAME = 'DeclareElement'
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);
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SET @sql := IF(
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@exists = 0,
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'ALTER TABLE `c_sku` ADD COLUMN `DeclareElement` VARCHAR(255) NULL COMMENT ''出口申报要素'' AFTER `ImHsCode`',
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'SELECT ''c_sku.DeclareElement already exists'' AS info'
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);
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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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-- t_order_declaration.DeclareElement
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SET @exists := (
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SELECT COUNT(1)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db
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AND TABLE_NAME = 't_order_declaration'
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AND COLUMN_NAME = 'DeclareElement'
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);
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SET @sql := IF(
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@exists = 0,
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'ALTER TABLE `t_order_declaration` ADD COLUMN `DeclareElement` VARCHAR(255) NULL COMMENT ''出口申报要素'' AFTER `ExHsCode`',
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'SELECT ''t_order_declaration.DeclareElement already exists'' AS info'
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);
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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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