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[英]How to call oracle stored procedure which include user-defined type in java?
[英]Oracle stored function/procedure with VARRAY or user-defined type as IN parameter
我已經定義了用戶定義類型的 VARRAY,例如:
CREATE OR REPLACE TYPE TEST_T AS OBJECT
(C1 VARCHAR2(20 BYTE), C2 VARCHAR2 (11 Byte));
CREATE OR REPLACE TYPE ARRAY_TEST_T AS VARRAY(200) OF TEST_T;
是否可以創建一個接受 VARRAY 或用戶定義類型作為 IN 參數的 java 存儲函數/過程?
如果可能的話,我應該用什么替換“??????” 和 :
CREATE OR REPLACE FUNCTION FOOBAR (p1 IN ?????? )
RETURN VARCHAR2 AUTHID CURRENT_USER AS
LANGUAGE JAVA
NAME 'foobar.FoobarFunction.test_function(?????? array) return java.lang.String';
package foobar;
public class FoobarFunction {
public static String test_function(?????? array) {
return "ok";
}
}
回答我自己的問題。 這是對我有用的解決方案。
CREATE OR REPLACE FUNCTION FOOBAR (p1 IN ARRAY_TEST_T )
RETURN VARCHAR2 AUTHID CURRENT_USER AS
LANGUAGE JAVA
NAME 'foobar.FoobarFunction.test_function(java.sql.Array)
return lava.lang.String';
package foobar;
public class FoobarFunction {
public static String test_function(java.sql.Array array) {
final Object[] content = (Object[]) array.getArray();
for (Object c : content) {
// expecting java.sql.Struct type for c;
// get TEST_T attribute values for c1 and c2
final Object[] attrs = ((java.sql.Struct) c).getAttributes();
String c1 = (String) attrs[0];
String c2 = (String) attrs[1];
.......
}
return null;
}
}
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