Updating primary key with jdbc

Trying to update a primary key with:
public static void updateTAXID(String coid,String accountnumber,String oldTAXID,String fundname,String newTAXID){ Properties props = TradeHelper.loadProperties(); Connection conn = null; PreparedStatement st = null; String sql ="update FinancialAccount set taxid=? " + "where dealernumber=? and " + "taxid=? and " + "fundname=? and " + "accountnumber=?"; try{ Class.forName(props.getProperty("driver")); conn = DriverManager.getConnection(props.getProperty("brokerageurl"), props.getProperty("user"),props.getProperty("password")); st = conn.prepareStatement(sql); st.setString(1, newTAXID); st.setString(2, coid); st.setString(3, oldTAXID); st.setString(4, fundname); st.setString(5, accountnumber); st.executeUpdate(); System.out.println("Update: new tx:"+newTAXID+":"+"Ol tx: "+oldTAXID+" act:"+accountnumber); conn.close(); st.close(); }catch(Exception e){ e.printStackTrace(); } }
I keep getting this error:
com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Duplicate entry '02673025561-QA-SLFCA-' for key 'PRIMARY' at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1011) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2542) at com.mysql.jdbc.PreparedStatement.exe
Am I not able to update a single field of a composit key with jdbc? Whay is my update failing telling that there is a duplicate when I am trying to update?

iketurner wrote:
I keep getting this error:
com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Duplicate entry '02673025561-QA-SLFCA-' for key 'PRIMARY'
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1011)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2542)
at com.mysql.jdbc.PreparedStatement.exeAm I not able to update a single field of a composit key with jdbc? Whay is my update failing telling that there is a duplicate when I am trying to update?If you take the error message at its word then the problem is not that you are not permitted to update a primary key but that the values you are trying to use is already in use.
I'll leave it you DBA and/or Data Modeler/Architech to decide if it is a good idea to update the value or not.

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I've two tables: Table1 with only one column (primary key) is a foreign key for table2.column1 (primary key). There is also a second primary key column in table2.
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Always is better be able to undo any change .
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I't a bit unclear what you want.
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Hi,
Can you suggest me best workaround/algorithm for below task:
(Oracle 10g, Solaris OS.)
Situation:
Table P has primary key column "Code", child tables F1, F2, ..., F15 reference with foreign key column "P_Code" column "P.Code", and we don't know which of the child tables has data for particular "P.Code" value.
Task:
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where P_code = 100;The best solution would be that one very easily can repeat that task.
Edited by: CharlesRoos on 28.12.2010 12:10

If you are looking for reusable and repetitive solution, then may be...
SQL> CREATE TABLE p (p_code NUMBER PRIMARY KEY);
Table created.
SQL> INSERT INTO p VALUES(100);
1 row created.
SQL> INSERT INTO p VALUES(300);
1 row created.
SQL> INSERT INTO p VALUES(500);
1 row created.
SQL> commit;
Commit complete.
SQL> CREATE TABLE F1 (p_code NUMBER REFERENCES p(p_code));
Table created.
SQL> CREATE TABLE F2 (p_code NUMBER REFERENCES p(p_code));
Table created.
SQL> CREATE TABLE F3 (p_code NUMBER REFERENCES p(p_code));
Table created.
SQL> INSERT INTO F1 VALUES(100);
1 row created.
SQL> INSERT INTO F3 VALUES(100);
1 row created.
SQL> INSERT INTO F2 VALUES(500);
1 row created.
SQL> commit;
Commit complete.
SQL> CREATE OR REPLACE PROCEDURE update_child_parent(pi_p_code_old NUMBER,
2                                                  pi_p_code_new NUMBER) IS
3    CURSOR table_to_update IS
4      SELECT table_name,
5             to_number(extractvalue(xmltype(DBMS_XMLGEN.getxml('SELECT count(*) c FROM ' ||
6                                                               table_name ||
7                                                               ' WHERE p_code=' ||
8                                                               pi_p_code_old)),
9                                    '/ROWSET/ROW/C')) cnt
10        FROM user_tables
11       WHERE table_name IN ('F1', 'F2', 'F3');
12
13 BEGIN
14    EXECUTE IMMEDIATE 'ALTER TABLE p DISABLE PRIMARY KEY CASCADE';
15    UPDATE p SET p_code = pi_p_code_new WHERE p_code = pi_p_code_old;
16    FOR i IN table_to_update LOOP
17      IF i.cnt > 0 THEN
18        EXECUTE IMMEDIATE 'UPDATE ' || i.table_name || ' SET p_code=' ||
19                          pi_p_code_new || ' WHERE p_code=' || pi_p_code_old;
20      END IF;
21    END LOOP;
22    EXECUTE IMMEDIATE 'ALTER TABLE p ENABLE VALIDATE PRIMARY KEY';
23 END update_child_parent;
24 /
Procedure created.
SQL> EXECUTE update_child_parent(100,200);
PL/SQL procedure successfully completed.
SQL> SELECT * FROM p;
    P_CODE
       200
       300
       500
SQL> SELECT * FROM F1;
    P_CODE
       200
SQL> SELECT * FROM F2;
    P_CODE
       500
SQL> SELECT * FROM F3;
    P_CODE
       200
SQL> INSERT INTO p VALUES(300);
INSERT INTO p VALUES(300)
ERROR at line 1:
ORA-00001: unique constraint (HR.SYS_C005931) violated
SQL> EXECUTE update_child_parent(500,900);
PL/SQL procedure successfully completed.
SQL> SELECT * FROM p;
    P_CODE
       200
       300
       900
SQL> SELECT * FROM F2;
    P_CODE
       900
SQL>

How do u automatically generate a primary key using JDBC?

ok, basically i'm given a simple schema
with 5 fields, one of these are made as a constraint made for primary keys.
I am programming under Oracle, using JDBC, and everytime i insert a new record into the table using an INSERT statement it says it cant make the id null, well yeah, then how exactly do i make it generate a new ID?
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In the table schema, the cid field is a INTEGER
type.
Ok i must of accidentally typed an extra digit, it's
working now hmmm but i'm starting from this digit now
: 1000000016
If i go more higher and it truncates again, is there
anyway to fix that?No. You can however write your code to verify it.
Noting of course that the problem will next occur after 1 billion records have been added. So I would question at what rate you think that that table is going to grow.
Of course you could create your own id but that would require modifying the table.

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Hi Developers,
I need to update the primary key for a record but it's also the foreign key in another table.
Example,
Table 1 Details
Name : Parent_Table
Columns : ID, Name, Age
Primary Key : ID
Table 2 Details
Name : Child_Table
Columns : ID, Parent_ID, Name, Age
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ID Name Age
1001 Sam 26
1002 George 25
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ID Parent_ID Name Age
1010 1001 Sam 26
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Now I want to update ID (1001) in Parent_table as 2001 and also, I want to update Parent_ID (1001) in Child_Table as 2001.
How we will write the java code to update these columns.
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dcminter wrote:
If you're looking at changing the primary keys in your data then there's probably something wrong with your data structure.Depends how you feel about business primary keys versus surrogates. Personally I prefer the latter so I'm with you in theory. In practice, however, a DB that uses a business PK may well find that it's a legitimate use case to change the key value (but then that's why I like surrogates in the first place!)Primary keys should not have meaning.

Updating primary key

HI ,
I want to update the primary (DATBI) key of SAP table a017 with new value. I am using update statement and giving all the primary keys for identifying the record, but lasting in short dump.
any pointers on how this can be done?
Regards
saurabh.

hi
chk this
You cannot change the primary key when you UPDATE a table for which a synchronous matchcode is defined.
another eason might b the CLIENT SPECIFIC condition needed
UPDATE sflight CLIENT SPECIFIED
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Hi All,
I have a requirement to update a primary key while the entry is being created in the database table.
The program uses the INSERT statement to create entries but the primary key is unknown at that time. I want to create this primary key value and update that record before being saved in the database.
Is there a place where i can write this code which gets called while INSERT/UPDATE statements.
Request you urgent help.
Thanks in advance

Hello Archana,
As per my understanding providing BADI implementation is one of the better options you have.
Firstly you have to find out the standard BADI Definition provided by SAP for your functionality. You can search the same in the transaction SE18.
Your BADI definition will have predefined interface methods
(like BEFORE_SAVE, AFTER_SAVE, BEFORE_UPDATE, AFTER_UPDATE ... )
with necessary parameters(parameter types: IMPORTING/EXPORTING/CHANGING/RETURNING). Mind you, you can't add your own methods/parameters to these standard BADI definitions.
Now you can create your own BADI implementation(ie., you can write you code in the one of the predefined methods you have) for the standard BADI definition. For that in your BADI Definition screen go to Implementation in Menu bar and click on Create.
I hope you will definitely have Primary Key as importing parameter so you can write your code logic by using this primary key in one of the methods you have based on your requirement
@ Please take Backend expert help in your team for finding out BADI Definition Name & for also BADI Implementation Code if you are not sure about BADI concept.
I hope this answers your question, If YES, !!! REWARD POINTS !!!
Regards, Srikanth

Updating primary key with jdbc

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