2011-11-03 61 views
2
DELIMITER $$ 

USE `horizon_jake`$$ 

DROP FUNCTION IF EXISTS `GPS_Distance_Meters`$$ 

CREATE DEFINER=`horizon_jake`@`localhost` FUNCTION `GPS_Distance_Meters`(lat1 DOUBLE, lng1 DOUBLE, lat2 DOUBLE, lng2 DOUBLE) RETURNS DOUBLE 
BEGIN 
    DECLARE rlo1 DOUBLE; 
    DECLARE rla1 DOUBLE; 
    DECLARE rlo2 DOUBLE; 
    DECLARE rla2 DOUBLE; 
    DECLARE dlo DOUBLE; 
    DECLARE dla DOUBLE; 
    DECLARE a DOUBLE; 

    SET rlo1 = RADIANS(lng1); 
    SET rla1 = RADIANS(lat1); 
    SET rlo2 = RADIANS(lng2); 
    SET rla2 = RADIANS(lat2); 
    SET dlo = (rlo2 - rlo1)/2; 
    SET dla = (rla2 - rla1)/2; 
    SET a = SIN(dla) * SIN(dla) + COS(rla1) * COS(rla2) * SIN(dlo) * SIN(dlo); 
    RETURN (6378137 * 2 * ATAN2(SQRT(a), SQRT(1 - a))); 
END$$ 

DELIMITER ; 

數據庫名稱:horizo​​n_jake
數據庫用戶:horizo​​n_jake爲什麼這個查詢沒有執行?

MySQL版本:56年5月1日

錯誤信息

Error 

SQL query: 

DELIMITER $$ USE `horizon_jake` $$ DROP FUNCTION IF EXISTS `GPS_Distance_Meters` $$ CREATE DEFINER = `horizon_jake`@`localhost` FUNCTION `GPS_Distance_Meters` (
lat1 DOUBLE, 
lng1 DOUBLE, 
lat2 DOUBLE, 
lng2 DOUBLE 
) RETURNS DOUBLE BEGIN DECLARE rlo1 DOUBLE; 

MySQL said: Documentation 
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DELIMITER $$ 

    USE `horizon_jake`$$ 

    DROP FUNCTION IF EXISTS ' at line 1 
+1

你是在MySQL命令行客戶端上執行此操作還是像PHPMyAdmin? 'DELIMITER'是命令行客戶端的一個功能。 –

+0

@Michael:當然phpMyAdmin不會奇蹟般地重新發明MySQL命令界面;它將查詢和命令傳遞給MySQL。 –

+0

@ TomalakGeret'kal PHPMyAdmin有一個單獨的輸入欄來設置分隔符。看到http://stackoverflow.com/questions/2068331/mysql-phpmyadmin-freezes-from-delimiter和其他... –

回答

0

DELIMITER定義分隔符的SQL語句。 USE不是SQL語句,因此不需要使用$$進行分隔。

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