ash*_*k_p 6 oracle plsql jdbc oracle11g
我想从Java代码中调用这个程序get_data_Q1包并显示输出,可以任何人请帮助我.提前致谢.ult_pkg
CREATE OR REPLACE PACKAGE ult_pkg
AS
TYPE t_all_record is record (
x_object_type_id number,
x_object_name varchar2(100),
x_object_id varchar2(70),
x_audit_timestamp timestamp(6),
x_payload clob
);
--table type to hold table data after querying
type tt_all_tab is table of t_all_record index by binary_integer;
--declaration pocedures
procedure get_data_Q1(x_object_id in varchar2 , x_all_type out tt_all_tab );
end ult_pkg;
/
--body of 'ult_pkg' package
create or replace package body ult_pkg
AS
--procedure taking 'object_id' as input parameter and gives out table of 't_all_record' type
procedure get_data_Q1(x_object_id in varchar2 , x_all_type out tt_all_tab )
AS
i number:=0;
begin
for r in
(
SELECT
O.object_type_id,O.object_name,O.object_id,A.audit_timestamp,P.payload
FROM
APPLICATION APP, EXCEPTIONS E,MASTER_AUDIT A,MODULE_TYPE M,OBJECT_TYPE O,PAYLOAD P
WHERE
( A.MODULE_TYPE_ID = M.MODULE_TYPE_ID ) AND ( M.APPLICATION_ID = APP.APPLICATION_ID ) AND ( A.OBJECT_TYPE_ID = O.OBJECT_TYPE_ID ) AND ( O.OBJECT_ID = x_object_id )
)
-- loop to asign the data from cursor 'r' to carasponding table type columns
loop
x_all_type(i).x_object_type_id:=r.object_type_id;
x_all_type(i).x_object_name:=r.object_name;
x_all_type(i).x_object_id:=r.object_id;
x_all_type(i).x_audit_timestamp:=r.audit_timestamp;
x_all_type(i).x_payload:=r.payload;
i:=i+1;
end loop;
end get_data_Q1;
end ult_pkg;
/
/
- 'ult_pkg'包的主体创建或替换包体ult_pkg AS
CREATE OR REPLACE PACKAGE ult_pkg
AS
TYPE t_all_record is record (
x_object_type_id number,
x_object_name varchar2(100),
x_object_id varchar2(70),
x_audit_timestamp timestamp(6),
x_payload clob
);
--table type to hold table data after querying
type tt_all_tab is table of t_all_record index by binary_integer;
--declaration pocedures
procedure get_data_Q1(x_object_id in varchar2 , x_all_type out tt_all_tab );
end ult_pkg;
/
--body of 'ult_pkg' package
create or replace package body ult_pkg
AS
--procedure taking 'object_id' as input parameter and gives out table of 't_all_record' type
procedure get_data_Q1(x_object_id in varchar2 , x_all_type out tt_all_tab )
AS
i number:=0;
begin
for r in
(
SELECT
O.object_type_id,O.object_name,O.object_id,A.audit_timestamp,P.payload
FROM
APPLICATION APP, EXCEPTIONS E,MASTER_AUDIT A,MODULE_TYPE M,OBJECT_TYPE O,PAYLOAD P
WHERE
( A.MODULE_TYPE_ID = M.MODULE_TYPE_ID ) AND ( M.APPLICATION_ID = APP.APPLICATION_ID ) AND ( A.OBJECT_TYPE_ID = O.OBJECT_TYPE_ID ) AND ( O.OBJECT_ID = x_object_id )
)
-- loop to asign the data from cursor 'r' to carasponding table type columns
loop
x_all_type(i).x_object_type_id:=r.object_type_id;
x_all_type(i).x_object_name:=r.object_name;
x_all_type(i).x_object_id:=r.object_id;
x_all_type(i).x_audit_timestamp:=r.audit_timestamp;
x_all_type(i).x_payload:=r.payload;
i:=i+1;
end loop;
end get_data_Q1;
end ult_pkg;
/
结束ult_pkg; /
Mic*_*ons 16
这是不可能的,请参阅按表访问PL/SQL索引:
Oracle JDBC不支持RAW,DATE和PL/SQL RECORD作为元素类型.
我可能会使用自定义(全局,而不是包)对象类型,如下所示:
CREATE TYPE t_all_record AS OBJECT (
x_object_type_id number,
x_object_name varchar2(100),
x_object_id varchar2(70),
x_audit_timestamp timestamp(6),
x_payload clob
)
/
CREATE TYPE t_all_records IS TABLE OF t_all_record
/
引用包中的类型表(t_all_records而不是tt_all_tab)并像这样填充它
procedure get_data_Q1(x_object_id in varchar2 , x_all_type out t_all_records )
AS
begin
SELECT t_all_record(O.object_type_id,O.object_name,O.object_id,A.audit_timestamp,P.payload)
BULK COLLECT INTO x_all_type
FROM APPLICATION APP, EXCEPTIONS E,MASTER_AUDIT A,MODULE_TYPE M,OBJECT_TYPE O,PAYLOAD P
WHERE ( A.MODULE_TYPE_ID = M.MODULE_TYPE_ID ) AND ( M.APPLICATION_ID = APP.APPLICATION_ID ) AND ( A.OBJECT_TYPE_ID = O.OBJECT_TYPE_ID ) AND ( O.OBJECT_ID = x_object_id )
end get_data_Q1;
结果将可以从java中使用,如下所示:
package tests.jdbc;
import java.sql.Array;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSetMetaData;
import java.sql.Struct;
import java.sql.Types;
import oracle.sql.StructDescriptor;
public class OracleTableOfResult {
public static void main(String...a) throws Exception {
Class.forName("oracle.jdbc.OracleDriver");
Connection connection = DriverManager.getConnection("jdbc:oracle:thin:<USER>/<PASS>@<DATABASEHOST>:1521:<SERVICE>");
final String typeName = "T_ALL_RECORD";
final String typeTableName = "T_ALL_RECORDS";
// Get a description of your type (Oracle specific)
final StructDescriptor structDescriptor = StructDescriptor.createDescriptor(typeName.toUpperCase(), connection);
final ResultSetMetaData metaData = structDescriptor.getMetaData();
// Call the procedure (or whatever else) that returns the table of a custom type
CallableStatement cs = connection.prepareCall("{call ult_pkg.get_data_Q1(?, ?)}");
cs.setString(1, "the_id");
// Result is an java.sql.Array...
cs.registerOutParameter(2, Types.ARRAY, typeTableName);
cs.execute();
// ...who's elements are java.sql.Structs
Object[] data = (Object[]) ((Array) cs.getObject(2)).getArray();
for(Object tmp : data) {
Struct row = (Struct) tmp;
// Attributes are index 1 based...
int idx = 1;
for(Object attribute : row.getAttributes()) {
System.out.println(metaData.getColumnName(idx) + " = " + attribute);
++idx;
}
System.out.println("---");
}
cs.close();
connection.close();
}
}
但最后,当你在普通的sql语句中使用你的查询作为预备语句时,是否值得努力是值得怀疑的......