无效号码 oracle jdbc

Question

我正在尝试执行以下查询：

String query =  "select NUMERO_CHAUFFEUR, avg(DISTANCE) as DISTANCE " +
                "from " +
                "(select NUMERO_CHAUFFEUR, " +
                "6387.7 * ACOS((sin(LATITUDE_DEPART / 57.29577951) * SIN(LATITUDE_ARRIVEE / 57.29577951)) + " +
                "(COS(LATITUDE_DEPART / 57.29577951) * COS(LATITUDE_ARRIVEE / 57.29577951) * " +
                "COS(LONGITUDE_ARRIVEE / 57.29577951 - LONGITUDE_DEPART / 57.29577951))) as DISTANCE " +
                "from " +
                "(select l.NUMERO_CHAUFFEUR, " +
                "regexp_substr(d1.COORDONNEES, '^[^,]+') as LATITUDE_DEPART, " +
                "trim(leading ',' FROM regexp_substr(d1.COORDONNEES, ',.*$')) AS LONGITUDE_DEPART, " +
                "regexp_substr(d2.COORDONNEES, '^[^,]+') as LATITUDE_ARRIVEE, " +
                "trim(leading ',' FROM regexp_substr(d2.COORDONNEES, ',.*$')) AS LONGITUDE_ARRIVEE " +
                "from LIVRAISONS l " +
                "inner join DEPOTS d1 on(l.NUMERO_DEPOT_DEPART = d1.NUMERO_DEPOT) " +
                "inner join DEPOTS d2 on(l.NUMERO_DEPOT_ARRIVE = d2.NUMERO_DEPOT) " +
                ")) " +
                "group by (NUMERO_CHAUFFEUR)";

但是一个 java.sql.SQLException: ORA-01722: invalid number is being throwed。 有谁知道为什么？ 因为如果我使用 sqlplus 直接在 sql 中执行查询，它工作正常。

使用 sqlplus 执行查询的结果：

NUMERO_CHAUFFEUR AVG(DISTANCE)
---------------- -------------
           1    507.064894
           2    703.326572
           5    846.966137
           4    511.914202

我已经尝试了以下但错误仍然存​​在：

String query =  "select NUMERO_CHAUFFEUR, avg(DISTANCE) as DISTANCE " +
                "from " +
                "(select NUMERO_CHAUFFEUR, " +
                "to_number('6387.7') * ACOS((sin(LATITUDE_DEPART / to_number('57.29577951')) * SIN(LATITUDE_ARRIVEE / to_number('57.29577951'))) + " +
                "(COS(LATITUDE_DEPART / to_number('57.29577951')) * COS(LATITUDE_ARRIVEE / to_number('57.29577951')) * " +
                "COS(LONGITUDE_ARRIVEE / to_number('57.29577951') - LONGITUDE_DEPART / to_number('57.29577951')))) as DISTANCE " +
                "from " +
                "(select l.NUMERO_CHAUFFEUR, " +
                "to_number(regexp_substr(d1.COORDONNEES, '^[^,]+')) as LATITUDE_DEPART, " +
                "to_number(trim(leading ',' FROM to_number(regexp_substr(d1.COORDONNEES, ',.*$')))) AS LONGITUDE_DEPART, " +
                "to_number(regexp_substr(d2.COORDONNEES, '^[^,]+')) as LATITUDE_ARRIVEE, " +
                "to_number(trim(leading ',' FROM to_number(regexp_substr(d2.COORDONNEES, ',.*$')))) AS LONGITUDE_ARRIVEE " +
                "from LIVRAISONS l " +
                "inner join DEPOTS d1 on(l.NUMERO_DEPOT_DEPART = d1.NUMERO_DEPOT) " +
                "inner join DEPOTS d2 on(l.NUMERO_DEPOT_ARRIVE = d2.NUMERO_DEPOT) " +
                ")) " +
                "group by (NUMERO_CHAUFFEUR)";

Answer 1

尝试将字符串转换为数字时，会出现 ORA-01722 错误，但无法将字符串转换为数字。 regexp_substr将返回字符串，您将其称为 LATITUDE_DEPART，然后您使用该值进行数学regexp_substr ，这是不正确的。 您应该首先将其转换为数字。 这可能会帮助你：

TO_NUMBER(regexp_substr(d1.COORDONNEES, '^[^,]')) LATITUDE_DEPART

对所有相同的部分执行此操作。