38 lines
1.2 KiB
SQL
38 lines
1.2 KiB
SQL
-- 产品/客户名称拼音首字母（小写）
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-- 若列已存在会报 Duplicate column；可忽略或先查 information_schema。
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-- 建议仅执行一次。
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-- crm_product.name_pinyin_abbr
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SET @col_exists := (
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SELECT COUNT(*)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'crm_product'
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AND COLUMN_NAME = 'name_pinyin_abbr'
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);
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SET @sql := IF(
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@col_exists = 0,
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'ALTER TABLE `crm_product` ADD COLUMN `name_pinyin_abbr` varchar(100) DEFAULT NULL COMMENT ''产品名称拼音首字母(小写)'' AFTER `product_name`',
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'SELECT ''crm_product.name_pinyin_abbr already exists, skip'''
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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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-- crm_customer.name_pinyin_abbr
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SET @col_exists := (
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SELECT COUNT(*)
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'crm_customer'
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AND COLUMN_NAME = 'name_pinyin_abbr'
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);
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SET @sql := IF(
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@col_exists = 0,
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'ALTER TABLE `crm_customer` ADD COLUMN `name_pinyin_abbr` varchar(100) DEFAULT NULL COMMENT ''客户名称拼音首字母(小写)'' AFTER `customer_name`',
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'SELECT ''crm_customer.name_pinyin_abbr already exists, skip'''
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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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