[英]send array of object from java to oracle procedure
我嘗試將包含 json 數組的 json 發送到程序,該程序會將數據添加到兩個表中,我構建了以下程序:
create or replace PROCEDURE INSERT_ELE
(
ELEMENT_SET_NAME IN VARCHAR2
, ELEMENT_SET_TYPE VARCHAR2
, EFFECTIVE_START_DATE IN VARCHAR2
, EFFECTIVE_END_DATE IN VARCHAR2
, ELEMENT_TYPE_ID IN VARCHAR2
, OUT_SEQ OUT NUMBER
) AS
BEGIN
INSERT ALL INTO payroll_test.PAY_ELEMENT_SETS(ELEMENT_SET_NAME, ELEMENT_SET_TYPE, EFFECTIVE_START_DATE, EFFECTIVE_END_DATE)
VALUES (ELEMENT_SET_NAME, ELEMENT_SET_TYPE, EFFECTIVE_START_DATE, EFFECTIVE_END_DATE)
INTO payroll_test.PAY_ELEMENT_SET_MEMBERS(ELEMENT_TYPE_ID, ELEMENT_SET_ID)
VALUES (ELEMENT_TYPE_ID, PAY_ELEMENT_SETS_MEMBERS_SEQ.NEXTVAL +1)
select ELEMENT_SET_NAME as ELEMENT_SET_NAME, ELEMENT_SET_TYPE as ELEMENT_SET_TYPE, EFFECTIVE_START_DATE as EFFECTIVE_START_DATE, EFFECTIVE_END_DATE as EFFECTIVE_END_DATE, ELEMENT_TYPE_ID as ELEMENT_TYPE_ID from dual;
COMMIT;
END INSERT_ELE
這是我的 java 代碼:
String query = null;
query = "{call INSERT_ELE(?,?,?,?,?,?)}";
cstmt = connection.prepareCall(query);
cstmt.setString(1, objectGroupFormBean.getElementSetName());
cstmt.setString(2, objectGroupFormBean.getElementSetType());
cstmt.setString(3, objectGroupFormBean.getEffectiveStartDate());
cstmt.setString(4, objectGroupFormBean.getEffectiveEndDate());
cstmt.setString(5, objectGroupFormBean.getElementTypeId());
cstmt.registerOutParameter(6, OracleTypes.NUMBER);
cstmt.executeUpdate();
objectGroupFormBean.setElementSetId(cstmt.getInt(6));
objectGroupFormBean.getElementSetId();
objectGroupFormBeanList.add(objectGroupFormBean);
但這只是接受這樣的有效載荷:
{
"elementSetName": "test",
"elementSetType": "App",
"effectiveStartDate": "10-10-1981",
"effectiveEndDate": "20-08-2020",
"element":
{
"elementId": "181",
"inclusionStatus": "Include"
}
}
我怎樣才能使它成為像這樣的對象的 json 元素:
{
"elementSetName": "test",
"elementSetType": "App",
"effectiveStartDate": "10-10-1981",
"effectiveEndDate": "20-08-2020",
"element": [
{
"elementId": "181",
"inclusionStatus": "Include"
},
{
"elementId": "189",
"inclusionStatus": "Include"
}
]
}
如何翻轉它以避免所有參數傳遞。 只需將 JSON 發送到程序並讓它進行插入,例如
SQL> with t as
2 (
3 select
4 '{
5 "elementSetName": "test",
6 "elementSetType": "App",
7 "effectiveStartDate": "10-10-1981",
8 "effectiveEndDate": "20-08-2020",
9 "element": [
10 {
11 "elementId": "181",
12 "inclusionStatus": "Include"
13 },
14 {
15 "elementId": "189",
16 "inclusionStatus": "Include"
17 }
18 ]
19 }' j from dual
20 )
21 select
22 json_value(j,'$.elementSetName') name,
23 json_value(j,'$.elementSetType') type,
24 json_value(j,'$.effectiveStartDate') sdate,
25 json_value(j,'$.effectiveEndDate') edate
26 from t;
NAME TYPE SDATE EDATE
--------------- --------------- --------------- ---------------
test App 10-10-1981 20-08-2020
1 row selected.
SQL>
SQL> with t as
2 (
3 select
4 '{
5 "elementSetName": "test",
6 "elementSetType": "App",
7 "effectiveStartDate": "10-10-1981",
8 "effectiveEndDate": "20-08-2020",
9 "element": [
10 {
11 "elementId": "181",
12 "inclusionStatus": "Include"
13 },
14 {
15 "elementId": "189",
16 "inclusionStatus": "Include"
17 }
18 ]
19 }' j from dual
20 )
21 select jt.*
22 from t,
23 json_table(j,'$.element[*]' columns ( elementId number path '$.elementId',
24 inclusionStatus varchar2(20) path '$.inclusionStatus')) jt;
ELEMENTID INCLUSIONSTATUS
---------- --------------------
181 Include
189 Include
2 rows selected.
SQL>
SQL>
SQL>
因此,您的程序最終將是
procedure INS(p_json varchar2) is
begin
insert into ...
select ...
end;
其中 SELECT 只是基於上述
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