Create a trigger (pk of sequence) &; JPA
When I tried to create the trigger (pk of sequence), I noticed that the generated code is automatically:CREATE OR REPLACE TRIGGER "ORA11111". "ID_GEN ' before insert on 'S_PROJ' for each row begin if insertion then if: NEW." ' ' ID ' is null then select PROJ_SEQ.nextval in: NEW. ' ' ID ' from dual; end if; end if; end;
ALTER TRIGGER 'ORA11111 '. "' ID_GEN ' ENABLE
I have the JPA mapped to this table data object class, the primary key 'ID' field is declared 'int', so 'create' APP is not successful because the default type int is 0 (will never be NULL, primary key so trigger the auto-increment). How to do this?
Thank you
Mike
Yes, it works for new records.
Oracle DB has sequences. It could be used by the @SequenceGenerator. If it is properly set up the warranty that the PK constraint does not occur.
-olaf
Tags: Database
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Whenever you post provide your Oracle version 4-digit
>
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Hi, first off I want to just say that I am a complete newbie when it comes to creating triggers so please bear with me.
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ON THE OTHER
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Best regardsantok1015 wrote:
HelloI would like to ask how to create a trigger after insert on a table. Basically, what I wanted to do are when an insert to table1 it will insert the records to table2.
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What is this error when creating a trigger
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1 CREATE OR REPLACE TRIGGER TRG_AUDIT_LOGON AFTER
2 LOG ON TO THE DATABASE
3 Declare
4 v_sid v$session.sid%type;
type of v_serial 5 v$ session.serial # %;
v_username 6 v$session.username%type;
v_osuserid 7 v$session.osuser%type;
8 v_machinename v$session.machine%type.
v_PROGRAM 9 v$session.program%type;
v_TERMINAL 10 v$session.terminal%type;
11 v_hostname v$instance.host_name%type;
v_instance_name 12 v$instance.instance_name%type;
13 v_application_id v$database.dbid%type;
date of v_logon_time 14;
15 v_Audit_tab_check varchar2 (30);
16 v_system_users_tab_check varchar2 (30);
17 v_sql_Audit_upload varchar2 (1000): = "INSERT INTO dbaoper. T_AUDIT (HOST_NAME, APPLICATION_ID, INSTANCE_NAME, SID, SERIAL #, username, OSUSERID, MACHINENAME, PROGRAM, TERMINAL, LOGON_TIME) VALUES (: v_hostname,: v_application_id,: v_instance_name,: v_sid,: v_serial,: v_username,: v_osuserid,: v_machinename,: v_program,: v_TERMINAL,: v_logon_time) ';
18 type c_audit_cur_typ is ref cursor;
19 C_Audit c_audit_cur_typ;
20 V_system_users_tab: = "T_SYSTEM_USERS";
21 No_Audit_records Exception;
Begin 22
23 select table_name in v_Audit_tab_check from dba_tables where owner = 'DBAOPER' and table_name = "T_AUDIT";
24 select table_name in v_system_users_tab_check from dba_tables where owner = 'DBAOPER' and table_name = "T_SYSTEM_USERS";
25 c_Audit open for ' SELECT sid, serial # username, osuser, machine, terminal program v $ session WHERE audsid = userenv ("' sessionid" ') and program not as "'oracle@%J0%"' and no user name (select * from dbaoper.' |) V_system_users_tab |') and type! = "' BACKGROUND"' ';
26 c_Audit of fetch in v_sid, v_serial, v_username, v_osuserid, v_machinename, v_program, v_TERMINAL;
27 if c_Audit % Notfound then
28 lift No_Audit_records;
Else 29
30 select host_name, instance_name in v_hostname, v_instance_name from v$ instance;
31 select dbid from v_application_id from v$ database;
32 select sysdate in double v_logon_time;
33 execute immediate v_sql_Audit_upload using v_hostname, v_application_id, v_instance_name, v_sid, v_serial, v_username, v_osuserid, v_machinename, v_program, v_TERMINAL, v_logon_time;
34 end if;
35 close C_Audit;
exception of 36
37 when no_data_found then
38 dbms_system.ksdwrt (2, 'ORA-20001 Audit T_AUDIT or T_SYSTEM_USERS not found Audit information tables are not entered'
(39);
40 what then No_Audit_records
41 dbms_output.put_line ('Audit number to insert records");
42 * end;
SQL > /.
WARNING: Trigger created with compilation errors.
SQL > sho err
Errors for TRG_AUDIT_LOGON TRIGGER:
LINE/COL ERROR
-------- -----------------------------------------------------------------
18/20 PLS-00103: encountered the symbol "=" when expecting one of the
Next:
constant exception < an ID >
< a between double quote delimited identifiers > double Ref table Fedya
char time timestamp interval date binary national character
NCHAR
The '< an identifier >' replaced with '=' to
continue.
Thank you
Pramodreplace * "' * with *" *. For example userenv ("' sessionid" ') to userenv ("sessionid")
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