Wait in concurrent insert in a table
I have a serious problem in my database which significantly increase concurrency .
It leads to long-time waits and force me to kill some sessions.
I have a table (KP...) in a specific time of day there is up to 4 concurrent heavy insert in this
table.
what is the possibilities in improving the performance of this table ?
How can i reduce this kind of wait events?
thank you in advance
this the script of tablespace and that specific table
CREATE TABLESPACE ADMIN_DATA DATAFILE
'/opt/oradata/datafile/admin01.dbf' SIZE 250M AUTOEXTEND ON NEXT 1M MAXSIZE 4000M
LOGGING
ONLINE
PERMANENT
EXTENT MANAGEMENT LOCAL AUTOALLOCATE
BLOCKSIZE 8K
SEGMENT SPACE MANAGEMENT AUTO;
CREATE TABLE KPSTRNT
SRL NUMBER(12),
NUM VARCHAR2(13 BYTE),
DAY NUMBER(2),
MON NUMBER(2),
YER NUMBER(4),
ST1 NUMBER(2),
VER NUMBER(4),
U_DATE_TIME VARCHAR2(30 BYTE),
UAUSER_SRL NUMBER(6),
PRN_STS VARCHAR2(1 BYTE),
OGCOST_SRL NUMBER(6),
ISSINF_SRL NUMBER(6),
SRSTCK_SRL VARCHAR2(10 BYTE),
SRSTCK_SRL_TWO VARCHAR2(10 BYTE),
KPSTRN_SRL NUMBER(12),
KPSTRN_SRL_TWO NUMBER(12),
KPTDES_KCODE VARCHAR2(6 BYTE),
KPBDOC_SRL VARCHAR2(4 BYTE),
KPDCTP_SRL VARCHAR2(2 BYTE),
KPDCTP_SRL_REF VARCHAR2(2 BYTE),
CMMISR_SRL NUMBER(6),
U_DATE_TIME0 VARCHAR2(30 BYTE),
EFC_DTE VARCHAR2(20 BYTE),
ISSINF_SRL_OWN NUMBER(7),
CMSTAT_SRL NUMBER(6),
OLD_NUM VARCHAR2(30 BYTE),
NAME VARCHAR2(50 BYTE),
CAR_NUM VARCHAR2(20 BYTE),
CAR_TYPE VARCHAR2(20 BYTE),
PRPBLC_SRL NUMBER(6)
TABLESPACE ADMIN_DATA
PCTUSED 0
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 120M
NEXT 20M
MINEXTENTS 1
MAXEXTENTS 5
BUFFER_POOL KEEP
LOGGING
PARTITION BY RANGE (KPDCTP_SRL)
PARTITION KPSTRN_P10 VALUES LESS THAN ('11')
LOGGING
TABLESPACE KP_DATAP10
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 3120K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL KEEP
PARTITION KPSTRN_P11 VALUES LESS THAN ('12')
LOGGING
TABLESPACE KP_DATAP11
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 4160K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL KEEP
PARTITION KPSTRN_P20 VALUES LESS THAN ('21')
LOGGING
TABLESPACE KP_DATAP20
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 22680K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL KEEP
PARTITION KPSTRN_P21 VALUES LESS THAN ('22')
LOGGING
TABLESPACE KP_DATAP21
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 23720K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL KEEP
PARTITION KPSTRN_P30 VALUES LESS THAN ('31')
LOGGING
TABLESPACE KP_DATAP30
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 3120K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL KEEP
PARTITION KPSTRN_P31 VALUES LESS THAN ('32')
LOGGING
TABLESPACE KP_DATAP31
PCTFREE 20
INITRANS 20
MAXTRANS 255
STORAGE (
INITIAL 3120K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL KEEP
CACHE
NOPARALLEL
MONITORING;
and this id the script for my partitioned tablespace
CREATE TABLESPACE KP_DATAP20 DATAFILE
'/opt/oradata/datafile/kp_datap20_reorg0.dbf' SIZE 100M AUTOEXTEND OFF
LOGGING
ONLINE
PERMANENT
EXTENT MANAGEMENT LOCAL AUTOALLOCATE
BLOCKSIZE 8K
SEGMENT SPACE MANAGEMENT AUTO;
what do you suggest to improve the performance?
Edited by: Hesam on Dec 27, 2008 8:58 AM
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Oracle 10g performance degrades while concurrent inserts into a table
Hello Team,
I am trying to insert into single table via multiple threads, Some of these threads perform reasonably well but some will take really longer time, As the time goes on performance drastically degrades (even down by 500 to 600 times). With AWR report i see that there quite huge number of buffer gets there. I am not sure how can i reduce those. If i ran on a single thread this operation is consistent.
I tried quite a few options like
1. Increasing SGA Memory
2. Moving redo logs to another disk drive.
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Satish Kumar Ballepuuser11150696 wrote:
Can you please guide me how do i do that, I am not aware of how to generate explain plan for that query.Since you have the trace file already (and I don't mean the tkprof output), you could do the following:
Read the trace file to find the statement you're interested id - the line above it will be a +"PARSING"+ line, and will include a reference to the statement hash_value look like +'hv=3838377475845'+.
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Use the sql_id and child number in a call to dbms_xplan.display_cursor:
PARSING IN CURSOR #7 len=68 dep=0 uid=55 oct=3 lid=55 tim=448839952404 *hv=3413100263* ad='2f6ede48'
select ... etc. (the statement I want the plan for)
SQL> select sql_id , child_number from v$sql where hash_value = *3413100263*;
SQL_ID CHILD_NUMBER
053tyaz5qzjr7 0
SQL> select * from table(dbms_xplan.display_cursor(*'053tyaz5qzjr7'*,*0*));
PLAN_TABLE_OUTPUT
SQL_ID 053tyaz5qzjr7, child number 0
select /*+ use_concat */ small_vc from t1 where n1 = 1 or n2 = 2
Plan hash value: 82564388
| Id | Operation | Name | Rows | Bytes | Cost |
| 0 | SELECT STATEMENT | | | | 4 |
| 1 | CONCATENATION | | | | |
| 2 | TABLE ACCESS BY INDEX ROWID| T1 | 10 | 190 | 2 |
|* 3 | INDEX RANGE SCAN | T1_N2 | 10 | | 1 |
|* 4 | TABLE ACCESS BY INDEX ROWID| T1 | 10 | 190 | 2 |
|* 5 | INDEX RANGE SCAN | T1_N1 | 10 | | 1 |
Predicate Information (identified by operation id):
3 - access("N2"=2)
4 - filter(LNNVL("N2"=2))
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Note
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Jonathan Lewis
http://jonathanlewis.wordpress.com
http://www.jlcomp.demon.co.uk
"For every expert there is an equal and opposite expert."
Arthur C. Clarke
To post code, statspack/AWR report, execution plans or trace files, start and end the section with the tag {noformat}{noformat} (lowercase, curly brackets, no spaces) so that the text appears in fixed format. -
High Buffer Busy Wait due to Concurrent INSERTS
Hi All,
One of my OLTP database is running on 11.1.0.7 (11.1.0.7.0 - 64bit Production) with RHEL 5.4.
On frequent basis, i am observing 'BUFFER BUSY WAITS' and last time i tried to capture some dictionary information to dig the waits.
1. Session Watis :
Oracle Sec Hash
Sid,Serial User OS User Svr-Pgm Wait Event State-Seq Wt Module Cmnd Value P1 P2 P3
633,40830 OLTP_USE fateadm 21646-orac buffer busy wai Wtng-9999 1 ORDERS ISRT 3932487748 384 1863905 1
647, 1761 OLTP_USE fateadm 22715-orac buffer busy wai Wtng-3837 0 ORDERS ISRT 3932487748 384 1863905 1
872, 5001 OLTP_USE fateadm 21836-orac buffer busy wai Wtng-9999 1 ORDERS ISRT 3932487748 384 1863905 1
702, 1353 OLTP_USE fateadm 21984-orac buffer busy wai Wtng-9999 1 ORDERS ISRT 3932487748 384 1863905 1
337,10307 OLTP_USE fateadm 21173-orac buffer busy wai Wtng-9999 1 ORDERS ISRT 3932487748 384 1863905 1
751,43016 OLTP_USE fateadm 21619-orac buffer busy wai Wtng-9999 1 ORDERS ISRT 3932487748 384 1863905 1
820,17959 OLTP_USE fateadm 21648-orac buffer busy wai Wtng-9999 0 ORDERS ISRT 3932487748 384 1863905 1
287,63359 OLTP_USE fateadm 27053-orac buffer busy wai Wtng-9999 0 ORDERS ISRT 3932487748 384 1863905 1
629, 1653 OLTP_USE fateadm 22468-orac buffer busy wai Wtng-9999 1 ORDERS ISRT 3932487748 384 1863905 1
788,14160 OLTP_USE fateadm 22421-orac buffer busy wai Wtng-9999 0 ORDERS ISRT 3932487748 384 1863905 1
615, 4580 OLTP_USE fateadm 21185-orac buffer busy wai Wtng-9999 0 ORDERS ISRT 3932487748 384 1863905 1
525,46068 OLTP_USE fateadm 27043-orac buffer busy wai Wtng-9034 1 ORDERS ISRT 3932487748 384 1863905 1
919,23243 OLTP_USE fateadm 21428-orac buffer busy wai Wtng-6340 1 ORDERS ISRT 3932487748 384 1863906 1
610,34557 OLTP_USE fateadm 21679-orac buffer busy wai Wtng-6422 1 ORDERS ISRT 3932487748 384 1863906 1
803, 1583 OLTP_USE fateadm 21580-orac buffer busy wai Wtng-6656 1 ORDERS ISRT 3932487748 384 1863906 1
781, 1523 OLTP_USE fateadm 21781-orac buffer busy wai Wtng-9999 0 ORDERS ISRT 3932487748 384 1863906 1
369,11005 OLTP_USE fateadm 21718-orac buffer busy wai Wtng-9999 0 ORDERS ISRT 3932487748 384 1863906 1
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select owner,segment_name,segment_type from dba_extents where file_id = 384 and 1863905 between block_id and block_id + blocks -1;
OWNER SEGMENT_NAME SEGMENT_TYPE
ORDER ORDER_DETAILS TABLE
select TABLE_NAME,PARTITIONED,ini_trans ,degree,compression,FREELISTS from dba_TABLES WHERE TABLE_NAME='ORDER_DETAILS';
TABLE_NAME PAR INI_TRANS DEGREE COMPRESS FREELISTS
ORDER_DETAILS NO 1 1 ENABLED 1
Tablespace is not ASSM managed !
select
object_name,
statistic_name,
value
from
V$SEGMENT_STATISTICS
where
object_name = 'ORDER_DETAILS';
OBJECT_NAME STATISTIC_NAME VALUE
ORDER_DETAILS logical reads 487741104
ORDER_DETAILS buffer busy waits 4715174
ORDER_DETAILS db block changes 200858896
ORDER_DETAILS physical reads 143642724
ORDER_DETAILS physical writes 20581330
ORDER_DETAILS physical reads direct 55239903
ORDER_DETAILS physical writes direct 19500551
ORDER_DETAILS space allocated 1.6603E+11
ORDER_DETAILS segment scans 9727
ORDER_DETAILS table is ~ 153 GB non-partitioned table.
It seems its not a READ BY OTHER SESSIONS wait but BUFFER BUSY due to write-wirte contention inside same block. I have never observed Cache Buffer Chain/ ITL-Wait/ High wait time on dbfile sequential/scattered reads.Table contains one PK (composite index on 3 columns) which seems to be highly fragmented.This non partitioned global Index has 3182037735 rows and blevel is 4.
BHAVIK_DBA.FATE1NA>select index_name,status,num_rows,blevel,pct_free,ini_trans,clustering_factor from dba_indexes where index_name='IDX_ORDERS';
INDEX_NAME STATUS NUM_ROWS BLEVEL PCT_FREE INI_TRANS CLUSTERING_FACTOR
IDX_ORDERS VALID 3182037735 4 2 2 2529462377
1 row selected.
One of the index column value is being populated by sequence. (Monotonically increasing value)
SEGMENT_NAME MB
IDX_ORDERS 170590.438
Index size is greater than table size !Tuning goal here is to reduce buffer busy waits and thus commit latencies.
I think, i need to increase FREELISTS and PCT_FREE to address this issue, but not much confident whether it is going to solve the issue or not?
Can i ask for any help here ?Hi Johnathan;
Many thanks for your detailed write-up. I was expecting you !
Your post here gave lot of information and wisdom that made me think last couple of hrs that is the reason for the delay in reply.
I did visited your index explosion posts couple of times and that scenario only gave me insight that concurrent DML (INSERT) is cause of index fragmentation in my case.
Let me also pick the opportunity to ask you to shed more light on some of the information you have highlighted.
if you can work out the number of concurrent inserts that are really likely to happen at any one instant then a value of freelists that in the range of
concurrency/4 to concurrency/2 is probably appropriate.May i ask you how did you derive this formula ? I dont want to miss learning opportunity here !
Note - with multiple freelists, you may find that you now get buffer busy waits on the segment header block.I did not quite get this point ? Can you shed more light please? What piece in segment header block is going to result contention(BBW on SEGMENT HEADER) on all concurrent inserts ?
The solution to this is to increase the number of freelist groups (making sure that
freelists and freelist groups have no common factors).My prod db NON-RAC environment. Can i use FREELIST GROUPS here ? My little knowledge did not get, What "common factors" you are referring here ?
The reads could be related to leaf block splits, but there are several possible scenarios that could lead to that pattern of activity - so the next step is to find out which blocks are being
read. Capture a sample of the waits, then query dba_extents for the extent_id, file_id, and block_id (don't run that awful query with the "block_id + blocks" predicate) and cross-check the
list of blocks to see if they are typically the first couple of blocks of an extent or randomly scattered throughout extents. If the former the problem is probably related to ASSM, if the
latter it may be related to failed probes on index leaf block reuse (i.e. after large scale deletes).I have 10046 trace file with me (giving you some sample below) that can give some information. However, since the issue was critical, i killed the insert process and rebuilt both the indexes. Since, index is rebuilt, i am not able to find any information in dba_extents.
select SEGMENT_NAME,SEGMENT_TYPE,EXTENT_ID from dba_extents where file_id=42 and block_id=1109331;
no rows selected
select SEGMENT_NAME,SEGMENT_TYPE,EXTENT_ID from dba_extents where file_id=42 and block_id=1109395 ;
no rows selected
select SEGMENT_NAME,SEGMENT_TYPE,EXTENT_ID from dba_extents where file_id=42 and block_id=1109459;
no rows selected
select SEGMENT_NAME,SEGMENT_TYPE,EXTENT_ID from dba_extents where file_id=10 and block_id=1107475;
no rows selected
select SEGMENT_NAME,SEGMENT_TYPE,EXTENT_ID from dba_extents where file_id=10 and block_id=1107539;
no rows selected
select object_name,object_Type from dba_objects where object_id=17599;
no rows selected
WAIT #4: nam='db file sequential read' ela= 49 file#=42 block#=1109331 blocks=1 obj#=17599 tim=1245687162307379
WAIT #4: nam='db file sequential read' ela= 59 file#=42 block#=1109395 blocks=1 obj#=17599 tim=1245687162307462
WAIT #4: nam='db file sequential read' ela= 51 file#=42 block#=1109459 blocks=1 obj#=17599 tim=1245687162307538
WAIT #4: nam='db file sequential read' ela= 49 file#=10 block#=1107475 blocks=1 obj#=17599 tim=1245687162307612
WAIT #4: nam='db file sequential read' ela= 49 file#=10 block#=1107539 blocks=1 obj#=17599 tim=1245687162307684
WAIT #4: nam='db file sequential read' ela= 198 file#=10 block#=1107603 blocks=1 obj#=17599 tim=1245687162307905
WAIT #4: nam='db file sequential read' ela= 88 file#=10 block#=1107667 blocks=1 obj#=17599 tim=1245687162308016
WAIT #4: nam='db file sequential read' ela= 51 file#=10 block#=1107731 blocks=1 obj#=17599 tim=1245687162308092
WAIT #4: nam='db file sequential read' ela= 49 file#=10 block#=1107795 blocks=1 obj#=17599 tim=1245687162308166
WAIT #4: nam='db file sequential read' ela= 49 file#=10 block#=1107859 blocks=1 obj#=17599 tim=1245687162308240
WAIT #4: nam='db file sequential read' ela= 52 file#=10 block#=1107923 blocks=1 obj#=17599 tim=1245687162308314
WAIT #4: nam='db file sequential read' ela= 57 file#=42 block#=1109012 blocks=1 obj#=17599 tim=1245687162308395
WAIT #4: nam='db file sequential read' ela= 52 file#=42 block#=1109076 blocks=1 obj#=17599 tim=1245687162308470
WAIT #4: nam='db file sequential read' ela= 98 file#=42 block#=1109140 blocks=1 obj#=17599 tim=1245687162308594
WAIT #4: nam='db file sequential read' ela= 67 file#=42 block#=1109204 blocks=1 obj#=17599 tim=1245687162308686
WAIT #4: nam='db file sequential read' ela= 53 file#=42 block#=1109268 blocks=1 obj#=17599 tim=1245687162308762
WAIT #4: nam='db file sequential read' ela= 54 file#=42 block#=1109332 blocks=1 obj#=17599 tim=1245687162308841
WAIT #4: nam='db file sequential read' ela= 55 file#=42 block#=1109396 blocks=1 obj#=17599 tim=1245687162308920
WAIT #4: nam='db file sequential read' ela= 54 file#=42 block#=1109460 blocks=1 obj#=17599 tim=1245687162308999
WAIT #4: nam='db file sequential read' ela= 52 file#=10 block#=1107476 blocks=1 obj#=17599 tim=1245687162309074
WAIT #4: nam='db file sequential read' ela= 89 file#=10 block#=1107540 blocks=1 obj#=17599 tim=1245687162309187
WAIT #4: nam='db file sequential read' ela= 407 file#=10 block#=1107604 blocks=1 obj#=17599 tim=1245687162309618TKPROF for above trace
INSERT into
order_rev
(aggregated_revenue_id,
legal_entity_id,
gl_product_group,
revenue_category,
warehouse_id,
tax_region,
gl_product_subgroup,
total_shipments,
total_units_shipped,
aggregated_revenue_amount,
aggregated_tax_amount,
base_currency_code,
exchange_rate,
accounting_date,
inventory_owner_type_id,
fin_commission_structure_id,
seller_of_record_vendor_id,
organizational_unit_id,
merchant_id,
last_updated_date,
revenue_owner_type_id,
sales_channel,
location)
VALUES
(order_rev.nextval,:p1,:p2,:p3,:p4,:p5,:p6,:p7,:p8,:p9,:p10,:p11,:p12,to_date(:p13, 'dd-MON-yyyy'),:p14,:p15,:p16,:p17,:p18,sysdate,:p19,:p20,:p21)
call count cpu elapsed disk query current rows
Parse 0 0.00 0.00 0 0 0 0
Execute 613 5.50 40.32 96672 247585 306916 613
Fetch 0 0.00 0.00 0 0 0 0
total 613 5.50 40.32 96672 247585 306916 613
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: 446
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
db file sequential read 164224 0.04 62.33
SQL*Net message to client 613 0.00 0.00
SQL*Net message from client 613 0.03 0.90
latch: cache buffers chains 8 0.00 0.00
latch: object queue header operation 2 0.00 0.00Is there any other way to find out culprit amongst the two you have listed (ASSM / failed probes on index leaf block reuse ) ? -
Deadlock issue in while inserting in oracle table.
I have written a procedure which copy data in to oracle tables.Other user can also start inserting in that table so to prevent these intervention.
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Can we get this error if i execute a SELECT statement on some table which is not locked by me and some other other is updating/deletig/inserting in that table ?
*Select statement is without update clause.user620101 wrote:
I have written a procedure which copy data in to oracle tables.Other user can also start inserting in that table so to prevent these intervention.
i have applied locks on these two tables and assume that my procedure will wait for other users to finish and it will apply lock on the tables and other users will now wait till this procedure finishes.
My Procedure looks like:--
lock table table1 in exclusive mode;
lock table table2 in exclusive mode;
update table1 set where rownum < x;
forall .....insert in table 2.
commit;
EXCEPTION
WHEN OTHERS THEN
dbms_printline(SQLERRM)
commit;
END;
But my problem is i am still receiving oracle error as below and the above procedure fails in between:-
ORA-00060: deadlock detected while waiting for resource
Any hint ??But if you successfully lock TABLE1 (in session #1) and another session (session #2) is holding a lock against TABLE2 (say it's currently updating a row) then session #1 has to wait when you issue the Lock table command for table2. So session #1 is waiting, and then session #2 tries to do ANY modification to TABLE1 (which session #1 still has locked, and is still waiting to obtain the lock on TABLE2)... whamo, deadlock.
user620101 wrote:
Can we get this error if i execute a SELECT statement on some table which is not locked by me and some other other is updating/deletig/inserting in that table ?
*Select statement is without update clause.No, writes (and locks) do not block reads. So a simple select statement (unless you issued a FOR UPDATE clause) would not cause this issue.
What does your actual code look like, and what are you actually attempting to do? Why do you think you need to lock the tables, is this a one time operation, a continual operation of the system? Please explain in much more detail what you've got going on here. -
Insert Data into Table from TXT or CSV file !!!!!
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Recently I have started working on APEX. In Oracle Forms, we used to use TEXT_IO for inserting records into tables from txt files. Now I want to do the same thing in apex 3.2. How can I insert data into tables from txt of csv files.
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There is a new features on ASE15.7 SP121 and ASE16.0:"wait on uncommitted insert"
The doc wrote:
When wait on uncommitted insert is set to 1:
• at isolation level 0, delete and update queries block on uncommitted inserted rows with the key value of interest, and select queries read dirty and do not block on uncommitted inserts
• at isolation levels 1 and 2, select, delete, and update queries, all block on uncommitted inserted rows
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Is there any testing steps about this feature and what's the default behavior about the previous releases?The default behavior is that at transaction isolation levels 1 or 2, uncommitted inserts in tables with the datarow lock scheme do not block other processes. Uncommitted inserts in tables with the datapages or allpages lock scheme do block, this blocking is a side effect of the lock granularity. See: Skipping uncommitted inserts during selects
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How can I insert into a table other than the default table in a form
Hi,
I want to insert into a table with some fields value of a form of another table. I have written insert code On successful submission of that form, but after submit it gives the following error
An unexpected error occurred: ORA-06502: PL/SQL: numeric or value error (WWV-16016)
My code is like this
declare
l_trn_id number;
l_provider_role varchar2(3);
l_provider_id varchar2(10);
begin
l_trn_id := p_session.get_value_as_number(p_block_name=>'DEFAULT',p_attribute_name=>'A_TRANSACTION_ID');
l_provider_id := p_session.get_value_as_varchar2(p_block_name=>'DEFAULT',p_attribute_name=>'A_PROVIDER1');
l_PROVIDER_ROLE := p_session.get_value_as_varchar2(p_block_name=>'DEFAULT',p_attribute_name=>'A_PROVIDER_ROLE1');
if (l_provider_role is not null) and (l_provider_id is not null) then
insert into service_provider_trans_records(service_provider_id,transaction_id,role_type_id)
values(l_provider_id, l_trn_id, l_provider_role);
commit;
end if;
end;
Where 'PROVIDER1' and 'PROVIDER_ROLE1' are not table fields.
How can do that or why this error comes ? Any idea?
Thanks
SumitaHi,
When do you get this error? Is it while running or while creating the form.
Here is a sample code which inserts a non-database column dummy into a table called dummy. This is done in successful procedure.
declare
l_dummy varchar2(1000);
begin
l_dummy := p_session.get_value_as_varchar2(p_block_name=>'DEFAULT',
p_attribute_name=>'A_DUMMY');
insert into sjayaram903_1g.dummy values(l_dummy);commit;
end;
Please check in your case if the size of the local variable is enough to hold the values being returned.
Thanks,
Sharmila -
Can not insert or update [TABLE] from internal table in method
I've faced a problem with OO abap. I've tried to insert into [ TABLE ] from internal table, but i've got error msg after i compiled.
"An explicit work area is necessary in the OO context. Use "INSERT wa INTO [TABLE] itab""
After i changed to loop in work area and INSERT INTO [TABLE] VALUES gw_data., everything is fine, can compile and run.
This is error code.
METHOD set_data_to_table.
REFRESH gi_data.
CLEAR gi_data.
IF gi_file[] IS NOT INITIAL.
* Set data for modify table
LOOP AT gi_file INTO gw_file.
MOVE-CORRESPONDING gw_file TO gw_data.
me->conversion_input( EXPORTING im_vendor = gw_data-vendor
CHANGING ch_vendor = gw_data-vendor ).
APPEND gw_data TO gi_data.
ENDLOOP.
INSERT [TABLE] FROM TABLE gi_data.
* LOOP AT gi_data INTO gw_data.
* INSERT INTO [TABLE] VALUES gw_data.
* IF sy-subrc = 0.
* COMMIT WORK.
* ELSE.
* ROLLBACK WORK.
* ENDIF.
* ENDLOOP.
ELSE.
MESSAGE 'No data found' TYPE 'I'.
ENDIF.
ENDMETHOD. "set_data_to_tableHi Matthew,
I think there is no difference in database insert between OO and non-OO.
The correct syntax according to ECC600 online documentation is
[Inserting Several Lines|http://help.sap.com/saphelp_erp2005vp/helpdata/en/fc/eb3a6d358411d1829f0000e829fbfe/content.htm]
To insert several lines into a database table, use the following:
INSERT target FROM TABLE itab \[ACCEPTING DUPLICATE KEYS].
This writes all lines of the internal table itabto the database table in one single operation. If one or more lines cannot be inserted because the database already contains a line with the same primary key, a runtime error occurs. You can prevent the runtime error occurring by using the addition ACCEPTING DUPLICATE KEYS.
Whenever you want to insert more than one line into a database table, it is more efficient to work with an internal table than to insert the lines one by one.
I think the syntax
INSERT my_dbtable FROM TABLE gi_data.
should work, your suggestion may lead to syntax error.
Regards,
Clemens -
Inserting into a table which is created "on the fly" from a trigger
Hello all,
I am trying to insert into a table from a trigger in Oracle form. The table name however, is inputted by the user in am item form.
here is what the insert looks like:
insert into :table_name
values (:value1, :value2);
the problem is that forms does not recognize ::table_name. If I replace :table_name with an actual database table, it works fine. However, I need to insert to a table_name based from oracle form item.
By the way, the table|_name is built on the fly using a procedure before I try to insert into it.
Any suggestion on how can I do that? My code in the trigger is:
declare
dm_drop_tbl(:table_name,'table) // a call to an external procedure to drop the table
dm_create_tbl(:table_name,'att1','att2');
insert into :table_name
values (:value1, :value2);
this give me an error:
encounter "" when the symbol expecting one.....Hi ,
You should use the FORMS_DDL built_in procedure. Read the on-line documentation of forms ...
Simon -
Insert From Master Table which is not based on EO
Hi
I have a Master-Detail relationship table page,now my requirement is to Insert data from Master VO(which is not based on any EO)
Actually I have added four new columns in the VO,only these four columns are of type message Text Input,all others are message Styled Text(just for fetching not inserting)
Now the problem is some fields in the VO will simply query and some will fetch as well as Insert
If at all I am trying to make the VO based on the New EO it is not inserting
Please help it is a bit Urgent
Regards
Ravi
Edited by: user10757594 on Jan 3, 2009 6:11 AMHi Ravi,
I think you should write update statement to insert into the table.
Thanks,
Kumar -
Weird behaviour while inserting in a table
Hi All,
I am coming across a wierd problem.
We are using Oracle 10.2.0.3.0.
There is a collection system where by we give snapshot of the entire database in a pre-requisite format.
Recently a strange thing is happenning.
When we try to insert into a table data for 3 Lac individual (1 row per customer shud be inserted) customers from 12 different tables, it inserts more than 4 million rows.
Another observation is that for one account there are 39,98,300 rows and rest has data for some customers and not all.
When i printed the count of the select query, it returned exactly 3 Lac rows.
But when i run the proc from SQL prompt, it inserted exactly 3 Lac rows.
Has anyone come across such a problem.
Thanks in advance.
Ameya.Ameya wrote:
I am coming across a wierd problem.Problems are always weird,interesting etc until you know how to fix them.
Recently a strange thing is happenning.Since when, was there a change in your code, table re-org, some objects/code dropped etc.
When we try to insert into a table data for 3 Lac individual (1 row per customer shud be inserted) customers from 12 different tables, it inserts more than 4 million rows.How do you define individual customer, do you have unique constraint on the table, what is your business rule for unique customer identification etc.?
Does your 12 different tables same structure or 12 different structures.
What process inserts data - list the code.
Another observation is that for one account there are 39,98,300 rows and rest has data for some customers and not all.
When i printed the count of the select query, it returned exactly 3 Lac rows.Your code ?
But when i run the proc from SQL prompt, it inserted exactly 3 Lac rows.can you recreate problem using some sample representative code.
SS -
Problem while inserting into a table which has ManyToOne relation
Problem while inserting into a table *(Files)* which has ManyToOne relation with another table *(Folder)* involving a attribute both in primary key as well as in foreign key in JPA 1.0.
Relevent Code
Entities:
public class Files implements Serializable {
@EmbeddedId
protected FilesPK filesPK;
private String filename;
@JoinColumns({
@JoinColumn(name = "folder_id", referencedColumnName = "folder_id"),
@JoinColumn(name = "uid", referencedColumnName = "uid", insertable = false, updatable = false)})
@ManyToOne(optional = false)
private Folders folders;
public class FilesPK implements Serializable {
private int fileId;
private int uid;
public class Folders implements Serializable {
@EmbeddedId
protected FoldersPK foldersPK;
private String folderName;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "folders")
private Collection<Files> filesCollection;
@JoinColumn(name = "uid", referencedColumnName = "uid", insertable = false, updatable = false)
@ManyToOne(optional = false)
private Users users;
public class FoldersPK implements Serializable {
private int folderId;
private int uid;
public class Users implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer uid;
private String username;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "users")
private Collection<Folders> foldersCollection;
I left out @Basic & @Column annotations for sake of less code.
EJB method
public void insertFile(String fileName, int folderID, int uid){
FilesPK pk = new FilesPK();
pk.setUid(uid);
Files file = new Files();
file.setFilename(fileName);
file.setFilesPK(pk);
FoldersPK folderPk = new FoldersPK(folderID, uid);
// My understanding that it should automatically handle folderId in files table,
// but it is not…
file.setFolders(em.find(Folders.class, folderPk));
em.persist(file);
It is giving error:
Internal Exception: java.sql.SQLException: Field 'folderid' doesn't have a default value_
Error Code: 1364
Call: INSERT INTO files (filename, uid, fileid) VALUES (?, ?, ?)_
_ bind => [hello.txt, 1, 0]_
It is not even considering folderId while inserting into db.
However it works fine when I add folderId variable in Files entity and changed insertFile like this:
public void insertFile(String fileName, int folderID, int uid){
FilesPK pk = new FilesPK();
pk.setUid(uid);
Files file = new Files();
file.setFilename(fileName);
file.setFilesPK(pk);
file.setFolderId(folderId) // added line
FoldersPK folderPk = new FoldersPK(folderID, uid);
file.setFolders(em.find(Folders.class, folderPk));
em.persist(file);
My question is that is this behavior expected or it is a bug.
Is it required to add "column_name" variable separately even when an entity has reference to ManyToOne mapping foreign Entity ?
I used Mysql 5.1 for database, then generate entities using toplink, JPA 1.0, glassfish v2.1.
I've also tested this using eclipselink and got same error.
Please provide some pointers.
ThanksHello,
What version of EclipseLink did you try? This looks like bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=280436 that was fixed in EclipseLink 2.0, so please try a later version.
You can also try working around the problem by making both fields writable through the reference mapping.
Best Regards,
Chris -
Parsing XML file & insert into Oracle Tables
Hi,
Following is a sample xml file which is an input for a oracle procedure :
<Sales ID="1" CreatedDate="16-Jan-2007" CreatedTime="16:09:40">
<Customer ID="1" Name="Scott" Address="City1">
<Order ID="1" Date="15-Jan-2007" TotItems="2" Value="200">
<Item ID="01" Name="Chocolate" Qty="2" Amount="80" />
<Item ID="03" Name="Biscuit" Qty="5" Amount="120" />
</Order>
</Customer>
<Customer ID="2" Name="Tiger" Address="City2">
<Order ID="1" Date="15-Jan-2007" TotItems="1" Value="500">
<Item ID="01" Name="Pizza" Qty="3" Amount="500" />
</Order>
</Customer>
<User ID="ABC" Name="TestUser" LastLogin="16-Jan-2007" />
<City Code="NY" Name="New York" />
<City Code="NJ" Name="New Jersy" />
</Sales>
I have individual tables for Sales, Customer, Order, Item, User & City tags with proper referential constraints. I have to parse the xml & have to insert the corresponsing tables for each & every tag if the ID in individual tag does not exists in the table. If the ID already exist, then, I have to update other attributes in the table for the corresponding ID.
Can anyone suggest me the simplest way to perform the above said scenario?Dera Michael,
Sorry for the confusing previous reply. I went through your solution again and tried for my XML File.
I have stored the XML File in table XXLF_DS_XML.Should I make use of the table in the below query.
Here is my SQL Query erroring Out
SQL> SELECT EXTRACTVALUE(s.COLUMN_VALUE,
2 '/Header@orderID') ID
3 ,EXTRACTVALUE(c.COLUMN_VALUE,
4 '/Detail@lineNumber') lienum
5 ,EXTRACTVALUE(t.COLUMN_VALUE,
6 '/Detail/Tax@currency') currency
7 ,EXTRACTVALUE(t.COLUMN_VALUE,
8 '/Detail/Tax/Money') customer_name
9 FROM TABLE(XMLSEQUENCE(EXTRACT(XMLTYPE('- <Recordset>
10 - <Header dueDate="2007-01-17T16:09:05" orderDate="2004-01-17" orderID="0009" transactionID="1389"
type="new">
11 <KeyIndex>2</KeyIndex>
12 - <BillTo>
13 - <Address addressID="5619" isoCountryCode="US">
14 <Name>fMat</Name>
15 - <PostalAddress name="default">
16 <Street>34545</Street>
17 <City>dfgfg</City>
18 <State>AZ</State>
19 <PostalCode>85086-1693</PostalCode>
20 <County>Maricopa</County>
21 <Country>US</Country>
22 </PostalAddress>
23 <Email name="default">[email protected]</Email>
24 </Address>
25 </BillTo>
26 <PromotionCode />
27 - <SubTotal>
28 <Money currency="USD">32.49</Money>
29 </SubTotal>
30 - <Tax>
31 <Money currency="USD">2.32</Money>
32 <Description />
33 </Tax>
34 - <Shipping>
35 <Money currency="USD">8.95</Money>
36 <Description />
37 </Shipping>
38 </Header>
39 - <Detail lineNumber="1" quantity="1">
40 - <ItemDetail>
41 - <UnitPrice>
42 <Money currency="USD">29.99</Money>
43 </UnitPrice>
44 <ShortName>Little;reg; pxxxx® Learning System</ShortName>
45 </ItemDetail>
46 - <Tax>
47 <Money currency="USD">1.68</Money>
48 <Description />
49 - <TaxDetail category="sales">
50 - <TaxAmount>
51 <Money currency="USD">1.68</Money>
52 </TaxAmount>
53 <TaxLocation>AZ</TaxLocation>
54 </TaxDetail>
55 </Tax>
56 </Detail>
57 - <Detail lineNumber="2" quantity="1">
58 - <ItemDetail>
59 - <UnitPrice>
60 <Money currency="USD">29.99</Money>
61 </UnitPrice>
62 <ShortName>Little;reg; pxxxx® Learning System</ShortName>
63 </ItemDetail>
64 - <Tax>
65 <Money currency="USD">1.68</Money>
66 <Description />
67 - <TaxDetail category="sales">
68 - <TaxAmount>
69 <Money currency="USD">1.68</Money>
70 </TaxAmount>
71 <TaxLocation>AZ</TaxLocation>
72 </TaxDetail>
73 </Tax>
74 - <Tax>
75 <Money currency="USD">0.68</Money>
76 <Description />
77 - <TaxDetail category="sales">
78 - <TaxAmount>
79 <Money currency="USD">0.68</Money>
80 </TaxAmount>
81 <TaxLocation>DISTRICT</TaxLocation>
82 </TaxDetail>
83 </Tax>
84 </Detail>
85 </Recordset>'),'/Recordset/Header'))) s
86 ,TABLE(XMLSEQUENCE(EXTRACT(c.COLUMN_VALUE,
87 '/Recordset/Detail'))) c
88 ,TABLE(XMLSEQUENCE(EXTRACT(t.COLUMN_VALUE,
89 '/Recordset/Detail/Tax'))) t
90 /
,TABLE(XMLSEQUENCE(EXTRACT(c.COLUMN_VALUE,
ERROR at line 86:
ORA-00904: "C"."COLUMN_VALUE": invalid identifier
Here is my XML Data
<Recordset>
<Header dueDate="2007-01-17T16:09:05" orderDate="2004-01-17" orderID="0009" transactionID="1389"
type="new">
<KeyIndex>2</KeyIndex>
<BillTo>
<Address addressID="5619" isoCountryCode="US">
<Name>fMat</Name>
<PostalAddress name="default">
<Street>34545 </Street>
<City>dfgfg</City>
<State>AZ</State>
<PostalCode>85086-1693</PostalCode>
<County>Maricopa</County>
<Country>US</Country>
</PostalAddress>
<Email name="default">[email protected]</Email>
</Address>
</BillTo>
<PromotionCode/>
<SubTotal>
<Money currency="USD">32.49</Money>
</SubTotal>
<Tax>
<Money currency="USD">2.32</Money>
<Description/>
</Tax>
<Shipping>
<Money currency="USD">8.95</Money>
<Description/>
</Shipping>
</Header>
<Detail lineNumber="1" quantity="1">
<ItemDetail>
<UnitPrice>
<Money currency="USD">29.99</Money>
</UnitPrice>
<ShortName>Little;reg; pxxxx® Learning System </ShortName>
</ItemDetail>
<Tax>
<Money currency="USD">1.68</Money>
<Description/>
<TaxDetail category="sales">
<TaxAmount>
<Money currency="USD">1.68</Money>
</TaxAmount>
<TaxLocation>AZ</TaxLocation>
</TaxDetail>
</Tax>
</Detail>
<Detail lineNumber="2" quantity="1">
<ItemDetail>
<UnitPrice>
<Money currency="USD">29.99</Money>
</UnitPrice>
<ShortName>Little;reg; pxxxx® Learning System </ShortName>
</ItemDetail>
<Tax>
<Money currency="USD">1.68</Money>
<Description/>
<TaxDetail category="sales">
<TaxAmount>
<Money currency="USD">1.68</Money>
</TaxAmount>
<TaxLocation>AZ</TaxLocation>
</TaxDetail>
</Tax>
<Tax>
<Money currency="USD">0.68</Money>
<Description/>
<TaxDetail category="sales">
<TaxAmount>
<Money currency="USD">0.68</Money>
</TaxAmount>
<TaxLocation>DISTRICT</TaxLocation>
</TaxDetail>
</Tax>
</Detail>
</Recordset>
Thanks -
If Records of different list items are entered, then the data is not getting inserted in the table.
Hi Everyone,
A Very Very Happy, Fun-filled, Awesome New Year to You All.
Now coming to the discussion of my problem in Oracle Forms 6i:
I have created a form in which the data is entered & saved in the database.
CREATE TABLE MATURED_FD_DTL
ACCT_FD_NO VARCHAR2(17 BYTE) NOT NULL,
CUST_CODE NUMBER(9),
FD_AMT NUMBER(15),
FD_INT_BAL NUMBER(15),
TDS NUMBER(15),
CHQ_NO NUMBER(10),
CREATED_DATE DATE,
CREATED_BY VARCHAR2(15 BYTE),
PREV_YR_TDS NUMBER(15),
ADD_FD_AMT NUMBER(15),
DESCRIPTION VARCHAR2(100 BYTE),
P_SAP_CODE NUMBER(10),
P_TYPE VARCHAR2(1 BYTE)
The form looks like below:
ENTER_QUERY EXECUTE_QUERY SAVE CLEAR EXIT
ACCT_FD_NO
CUST_CODE
FD_AMT
FD_INT_BAL
PREV_YR_TDS
TDS
ADD_FD_AMT
P_SAP_CODE
P_TYPE
CHQ_NO
DESCRIPTION
R
W
P
List Item
There are 5 push buttons namely ENTER_QUERY, EXECUTE_QUERY, SAVE, CLEAR, EXIT.
The table above is same as in the form. All the fields are text_item, except the P_TYPE which is a List_Item ( Elements in List Item are R, W & P).
The user will enter the data & save it.
So all this will get updated in the table MATURED_FD_DTL .
I am updating one column in another table named as KEC_FDACCT_MSTR.
and
I want this details to get updated in another table named as KEC_FDACCT_DTL only if the P_TYPE='P'
CREATE TABLE KEC_FDACCT_DTL
FD_SR_NO NUMBER(8) NOT NULL,
FD_DTL_SL_NO NUMBER(5),
ACCT_FD_NO VARCHAR2(17 BYTE) NOT NULL,
FD_AMT NUMBER(15,2),
INT_RATE NUMBER(15,2),
SAP_GLCODE NUMBER(10),
CATOGY_NAME VARCHAR2(30 BYTE),
PROCESS_YR_MON NUMBER(6),
INT_AMT NUMBER(16,2),
QUTERLY_FD_AMT NUMBER(16,2),
ITAX NUMBER(9,2),
MATURITY_DT DATE,
FDR_STAUS VARCHAR2(2 BYTE),
PAY_ACC_CODE VARCHAR2(85 BYTE),
BANK_CODE VARCHAR2(150 BYTE),
NET_AMOUNT_PAYABLE NUMBER,
QUATERLY_PAY_DT DATE,
CHEQUE_ON VARCHAR2(150 BYTE),
CHEQUE_NUMBER VARCHAR2(10 BYTE),
CHEQUE_DATE DATE,
MICR_NUMBER VARCHAR2(10 BYTE),
PAY_TYPE VARCHAR2(3 BYTE),
ADD_INT_AMT NUMBER(16,2),
ADD_QUTERLY_FD_AMT NUMBER(16,2),
ADD_ITAX NUMBER(16,2),
ECS_ADD_INT_AMT NUMBER(16),
ECS_ADD_QUTERLY_FD_AMT NUMBER(16),
ECS_ADD_ITAX NUMBER(16)
So for the push button 'Save' , i have put in the following code in the Trigger : WHEN BUTTON PRESSED,
BEGIN
Commit_form;
UPDATE KEC_FDACCT_MSTR SET PAY_STATUS='P' WHERE ACCT_FD_NO IN (SELECT ACCT_FD_NO FROM MATURED_FD_DTL);
UPDATE MATURED_FD_DTL SET CREATED_DATE=sysdate, CREATED_BY = :GLOBAL.USER_ID WHERE ACCT_FD_NO = :acct_fd_NO;
IF :P_TYPE='P' THEN
INSERT INTO KEC_FDACCT_DTL
SELECT FD_SR_NO, NULL, MATURED_FD_DTL.ACCT_FD_NO, FD_AMT, INT_RATE, P_SAP_CODE,
GROUP_TYPE, (TO_CHAR(SYSDATE, 'YYYYMM'))PROCESS_YR_MON,
FD_INT_BAL, (FD_INT_BAL-MATURED_FD_DTL.TDS)QUTERLY_FD_AMT , MATURED_FD_DTL.TDS,
MATURITY_DATE, P_TYPE, NULL, NULL, (FD_INT_BAL-MATURED_FD_DTL.TDS)NET_AMOUNT_PAYABLE,
NULL, NULL, CHQ_NO, SYSDATE, NULL, 'CHQ', NULL, NULL, NULL, NULL, NULL, NULL
FROM MATURED_FD_DTL, KEC_FDACCT_MSTR
WHERE KEC_FDACCT_MSTR.ACCT_FD_NO=MATURED_FD_DTL.ACCT_FD_NO;
END IF;
COMMIT;
MESSAGE('RECORD HAS BEEN UPDATED AS PAID');
MESSAGE(' ',no_acknowledge);
END;
If P_TYPE='P' , then the data must get saved in KEC_FDACCT_DTL table.
The problem what is happening is,
If i enter the details with all the records as 'P' , the record gets inserted into the table KEC_FDACCT_DTL
If i enter the details with records of 'P' and 'R' , then nothing gets inserted into the table KEC_FDACCT_DTL.
Even the records with 'P' is not getting updated.
I want the records of 'P' , to be inserted into table KEC_FDACCT_DTL, even when multiple records of all types of 'P_Type' (R, w & P) are entered.
So, can you please help me with this.
Thank You.
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
Oracle Forms Builder 6i.Its not working properly.
At Form_level_Trigger: POST_INSERT, I have put in the following code.
IF :P_TYPE='P'THEN
INSERT INTO KEC_FDACCT_DTL
SELECT FD_SR_NO, NULL, MATURED_FD_DTL.ACCT_FD_NO, FD_AMT, INT_RATE, P_SAP_CODE,
GROUP_TYPE, (TO_CHAR(SYSDATE, 'YYYYMM'))PROCESS_YR_MON,
FD_INT_BAL, (FD_INT_BAL-MATURED_FD_DTL.TDS)QUTERLY_FD_AMT , MATURED_FD_DTL.TDS,
MATURITY_DATE, P_TYPE, NULL, NULL, (FD_INT_BAL-MATURED_FD_DTL.TDS)NET_AMOUNT_PAYABLE,
NULL, NULL, CHQ_NO, SYSDATE, NULL, 'CHQ', NULL, NULL, NULL, NULL, NULL, NULL
FROM MATURED_FD_DTL, KEC_FDACCT_MSTR
WHERE KEC_FDACCT_MSTR.ACCT_FD_NO=MATURED_FD_DTL.ACCT_FD_NO;
END IF;
MESSAGE('RECORD HAS BEEN UPDATED AS PAID');
MESSAGE(' ',no_acknowledge);
It worked properly when i executed first time, but second time , in database duplicate values were stored.
Example: First I entered the following in the form & saved it.
ACCT_FD_NO
CUST_CODE
FD_AMT
FD_INT_BAL
PREV_YR_TDS
TDS
ADD_FD_AMT
P_SAP_CODE
P_TYPE
CHQ_NO
DESCRIPTION
250398
52
50000
6000
0
600
0
45415
P
5678
int1
320107
56
100000
22478
3456
2247
0
45215
R
456
320108
87
50000
6500
0
650
0
21545
W
0
In the database, in table KEC_FDACCT_DTL, the ACCT_FD_NO:250398 with P_TYPE='P' record was inserted.
ACCT_FD_NO
P_TYPE
250398
P
But second time, when i entered the following in the form & saved.
ACCT_FD_NO
CUST_CODE
FD_AMT
FD_INT_BAL
PREV_YR_TDS
TDS
ADD_FD_AMT
P_SAP_CODE
P_TYPE
CHQ_NO
DESCRIPTION
260189
82
50000
6000
0
600
0
45415
P
5678
interest567
120011
46
200000
44478
0
4447
0
45215
R
456
30191
86
50000
6500
0
650
0
21545
W
56
In the database, in the table KEC_FDACCT_DTL, the following rows were inserted.
ACCT_FD_NO
P_TYPE
250398
P
250398
P
260189
P
320107
R
320108
W
There was duplicate of 250398 which i dint enter in the form second time,
All the other P_TYPE was also inserted , but i want only the P_TYPE='P' to be inserted into the database.
I want only those records to be inserted into the form where P_TYPE='P' and duplicate rows must not be entered.
How do i do this??? -
Diffrence between backend insert and front end insert into a table.
I am developing a conversion program for tax exemption. For this program only ZX_EXEMPTIONS table is used to populate the data and we got confirmation from Oracle also regarding this.For inserting the data into this table we are taking the max of tax_exemption_id which is pk for this table and adding one to it and inserting into the table. But problem here is after inserting from back end we are not able to insert from front end.
It seems backend data is holding the tax_exemption_id which is suppose to reserve by front end data.Please explain the different behavior of populating of tax_exemption_id from front end and back end.Hi,
i think the problem is that you are using max-value + 1 for tax_exemption_id. But as ZX_EXEMPTIONS is using sequence ZX_EXEMPTIONS_S
for primary key generation, you encounter situation that you are increasing PK Id for this table without increasing sequence value.
When trying to insert rows from front end - which probably uses sequence value - it tries to use a sequence value already used by your backend
process (which generated it by Maxvalue + 1) and would then encounter a primary key violation.
I think you should use sequence mentioned above to generate your PK Ids in backend process as well. And before doing so, check current value
of ZX_EXEMPTIONS_S, as you might need to rebuild the sequence in order to select nextval sucessfully for both frontend and backend.
Regards
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