[英]invalid number oracle jdbc
我正在嘗試執行以下查詢:
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)";
但是一個 java.sql.SQLException: ORA-01722: invalid number is being throwed。 有誰知道為什么? 因為如果我使用 sqlplus 直接在 sql 中執行查詢,它工作正常。
使用 sqlplus 執行查詢的結果:
NUMERO_CHAUFFEUR AVG(DISTANCE)
---------------- -------------
1 507.064894
2 703.326572
5 846.966137
4 511.914202
我已經嘗試了以下但錯誤仍然存在:
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)";
嘗試將字符串轉換為數字時,會出現 ORA-01722 錯誤,但無法將字符串轉換為數字。 regexp_substr
將返回字符串,您將其稱為 LATITUDE_DEPART,然后您使用該值進行數學regexp_substr
,這是不正確的。 您應該首先將其轉換為數字。 這可能會幫助你:
TO_NUMBER(regexp_substr(d1.COORDONNEES, '^[^,]')) LATITUDE_DEPART
對所有相同的部分執行此操作。
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