mysql替换语句 部分替换
将cdb_pms表subject字段中的Welcom to替换成 欢迎光临
NO ash}0UPDATE `cdb_pms`
SET `subject` = REPLACE(`subject`, 'Welcome to', '欢迎光临')
WHERE INSTR(`subject`,'Welcome to') > 051Testing软件测试网 }O:['J }!H2v)B.B
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 ;51Testing软件测试网k+B[2z;P!vv)e
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B Z%?.`7GUR$_p0删除所有的空格
],Q*[#r b Nl4r$C_N0UPDATE `es_product` SET `pro_pub_time` = TRIM(`pro_pub_time`)
2v d2A"mA!|$\0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`,'.') > 051Testing软件测试网1Nj0H8o9g ?
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f^nE0P*wf0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`,'-') > 051Testing软件测试网u1W8C+c;Re
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
uT&W!^x;YX0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`) > 551Testing软件测试网:O.w)T H4x0Q
将所有'2005-'这种类型替换成'2005-01-01'
z{|-XlJ n/m0UPDATE `es_product` SET `pro_pub_time` = CONCAT( `pro_pub_time`, '01-01') WHERE INSTR(`pro_pub_time`,'-') > 0 AND LENGTH(`pro_pub_time`) = 5
,mjUL,u8]X0ODc/\0将所有 饱含'-',但是位数小于8的改成追加'-01'51Testing软件测试网i#DBE.H!HXM
UPDATE `es_product` SET `pro_pub_time` = CONCAT( `pro_pub_time`, '-01') WHERE INSTR(`pro_pub_time`,'-') > 0 AND LENGTH(`pro_pub_time`) < 8
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r[6r[0将所有'2005'这样的改成'2005-01-01'51Testing软件测试网v^%`xXix5`F:e
UPDATE `es_product` SET `pro_pub_time` = CONCAT(`pro_pub_time`,'-01-01') WHERE INSTR(`pro_pub_time`,'-') = 0 AND LENGTH(`pro_pub_time`) = 4
!q&F4N9`K+A*X o*l0最后将所有'2005-01-01'格式化成'2005年01月'
"]]!B5r#HQfF0UPDATE `es_product` SET `pro_pub_time` = DATE_FORMAT(`pro_pub_time`,'%Y年%m月') WHERE INSTR(`pro_pub_time`,'-') > 0
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