作者/来源:yixinu.com
栏目:运维/编程
日期:2015-10-15 20:37:34
SELECT `villagename`,`loglat`,substring_index(`loglat`, ',' ,1 ) as log , substring_index( `loglat` , ',' ,-1 ) as lat FROM `clo_village`
SELECT `villagename`,`loglat`,substring_index(`loglat`, ',' ,1 ) as lng , substring_index( `loglat` , ',' ,-1 ) as lat , (POWER(MOD(ABS(substring_index(`loglat`, ',' ,1 ) - '112.991345'),360),2) + POWER(ABS(substring_index( `loglat` , ',' ,-1 ) - '28.208682'),2)) AS distance FROM `clo_village` ORDER BY distance