mysql替换语句 部分替换
更新前的查寻：
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SELECT o.description from product_info o WHERE o.description LIKE ‘%HELLO KITTY%’
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SELECT o.`name` from product_info o WHERE INSTR(`name`,’HELLO KITTY’) > 0
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我的更新：
UPDATE `product_info`
SET `description` = REPLACE(`description`, ‘Hello Kitty’, ‘Kitty’)
WHERE INSTR(`description`,’Hello Kitty’) > 0
注意：查寻时是不区分大小写的，但替换更新时有区分大小写。
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将cdb_pms表subject字段中的Welcom to替换成 欢迎光临
UPDATE `cdb_pms`
SET `subject` = REPLACE(`subject`, ‘Welcome to’, ‘欢迎光临’)
WHERE INSTR(`subject`,’Welcome to’) > 0
替换cdb_posts表的message字段，将“viewthread.php?tid=3989”替换成“viewthread.php?tid=16546”
UPDATE `cdb_posts`
SET `message`= REPLACE(`message`, ‘viewthread.php?tid=3989’, ‘viewthread.php?tid=16546’)
WHERE INSTR(`message`,’viewthread.php?tid=3989′) > 0 ;
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删除所有的空格
UPDATE `es_product`?? SET `pro_pub_time` = TRIM(`pro_pub_time`)
删除所有饱含'[‘或者’]’或者’.’的字符UPDATE `es_product`?? SET `pro_pub_time` = REPLACE(`pro_pub_time`, ‘[‘,”)?? WHERE INSTR(`pro_pub_time`,'[‘) > 0
UPDATE `es_product`?? SET `pro_pub_time` = REPLACE(`pro_pub_time`, ‘]’,”)?? WHERE INSTR(`pro_pub_time`,’]’) > 0
UPDATE `es_product`?? SET `pro_pub_time` = REPLACE(`pro_pub_time`, ‘.’,’-‘)?? WHERE INSTR(`pro_pub_time`,’.’) > 0
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替换所有含中文’-‘的为英文’-‘
UPDATE `es_product`?? SET `pro_pub_time` = REPLACE(`pro_pub_time`, ‘－’,’-‘)?? WHERE INSTR(`pro_pub_time`,’－’) > 0
将所有的年月都替换成’-‘
UPDATE `es_product`?? SET `pro_pub_time` = REPLACE(`pro_pub_time`, ‘年’,’-‘)?? WHERE INSTR(`pro_pub_time`,’年’) > 0
UPDATE `es_product`?? SET `pro_pub_time` = REPLACE(`pro_pub_time`, ‘月’,’-‘)?? WHERE INSTR(`pro_pub_time`,’月’) > 0
将所有’2005-04-‘这种类型的替换成’2005-04-01’
UPDATE `es_product`?? SET `pro_pub_time` = CONCAT( `pro_pub_time`, ’01’)?? WHERE SUBSTRING_INDEX( `pro_pub_time`, ‘-‘, -1) = ” AND LENGTH(`pro_pub_time`) > 0 AND LENGTH(`pro_pub_time`) > 5
将所有’2005-‘这种类型替换成’2005-01-01’
UPDATE `es_product`?? SET `pro_pub_time` = CONCAT( `pro_pub_time`, ’01-01′) WHERE INSTR(`pro_pub_time`,’-‘) > 0 AND?? LENGTH(`pro_pub_time`) = 5
将所有 饱含’-‘,但是位数小于8的改成追加’-01′
UPDATE `es_product`?? SET `pro_pub_time` = CONCAT( `pro_pub_time`, ‘-01’) WHERE INSTR(`pro_pub_
