摘要: CREATE FUNCTION getDistance (latl FLOAT, lonl FLOAT, lat2 FLOAT, lon2 FLOAT)RETURNS FLOATDETERMINISTIC RETURN ROUND(6378.138 * 2 * ASIN(SQRT(PON(SIN(( 阅读全文
posted @ 2020-04-01 23:52 applekingghfhfhbr 阅读(166) 评论(0) 推荐(0) 编辑