How to reduce number of output parameters in case of determination engine API
Hi
We are using determination engine API to integrate with the third party (OBRM) . In that case all the base/top/intermediate attributes have been sent in xml as output.
Is there any way to filter out the output parameters as I don't want to send all attributes in output XML.
Thanks and Regards
Vandana
There are the following possible copies of an object that can be made in TopLink.
- Session cache - copy of object stored in the Session cache, this instance is considered read-only and can be shared. In the case of a shared cache, this copy exists in the ServerSession cache, in the case of an isolated cache, this copy exists in the ClientSession cache.
This copy can be created whenever a query is executed against a ClientSession, or non-isolated UnitOfWork. To avoid this copy for an update operation, you can query in a UnitOfWork, and set your descriptor's unitOfWorkCacheIsolationLevel to ISOLATE_CACHE_ALWAYS (added in 10.1.3).
This copy can be created after a inserted object is committed as well. ISOLATE_CACHE_ALWAYS will also avoid this.
- UnitOfWork working copy. Instance of the object that is modified in the UnitOfWork. This instance must exist as at least one instance is required, unless UpdateAll / DeleteAll / SQL queries are used.
- UnitOfWork backup copy. This copy is used to track changes to the object. This copy can be avoided if attribute change tracking is used (added in 10.1.3, weaving added in 11g).
So, it is possible to only have a single copy.
You can also use a DatabaseSession which only maintains a single copy. You can use Insert and UpdateObjectQuery's, these will update everything and not give you the benefit of change tracking nor a shared cache, but may be useful in batch transactions such as yours.
-- James : http://www.eclipselink.org
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SELECT czci.config_hdr_id,
czci.config_rev_nbr,
asoqla.quantity,
(SELECT
node_desc.LOCALIZED_STR
FROM CZ_LOCALIZED_TEXTS node_desc,
CZ_PS_NODES ps_nodes,
CZ_CONFIG_ITEMS czci1
WHERE czci1.config_hdr_id = asoqld.config_header_id
AND czci1.config_rev_nbr = asoqld.config_revision_num
AND node_desc.INTL_TEXT_ID = ps_nodes.INTL_TEXT_ID
AND NVL(node_desc.LANGUAGE,userenv('LANG')) = userenv('LANG')
AND czci1.PS_NODE_ID = ps_nodes.PERSISTENT_NODE_ID
AND ps_nodes.DEVL_PROJECT_ID = (SELECT MAX(DEVL_PROJECT_ID) FROM CZ_DEVL_PROJECTS WHERE NAME LIKE 'Control Model')
AND czci1.PARENT_CONFIG_ITEM_ID IN (SELECT sub_sub.CONFIG_ITEM_ID FROM CZ_CONFIG_ITEMS sub_sub
WHERE sub_sub.CONFIG_HDR_ID = asoqld.config_header_id
AND sub_sub.CONFIG_REV_NBR = asoqld.config_revision_num
AND sub_sub.PS_NODE_NAME = 'fittings')) fitting_material,
(SELECT
node_desc.LOCALIZED_STR
FROM CZ_LOCALIZED_TEXTS node_desc,
CZ_PS_NODES ps_nodes,
CZ_CONFIG_ITEMS czci
WHERE czci.config_hdr_id = asoqld.config_header_id
AND czci.config_rev_nbr = asoqld.config_revision_num
AND node_desc.INTL_TEXT_ID = ps_nodes.INTL_TEXT_ID
AND NVL(node_desc.LANGUAGE,userenv('LANG')) = userenv('LANG')
AND czci.PS_NODE_ID = ps_nodes.PERSISTENT_NODE_ID
AND ps_nodes.DEVL_PROJECT_ID = (SELECT MAX(DEVL_PROJECT_ID) FROM CZ_DEVL_PROJECTS WHERE NAME LIKE 'Control Model')
AND czci.PARENT_CONFIG_ITEM_ID IN (SELECT sub_sub.CONFIG_ITEM_ID FROM CZ_CONFIG_ITEMS sub_sub
WHERE sub_sub.CONFIG_HDR_ID = czci.CONFIG_HDR_ID
AND sub_sub.CONFIG_REV_NBR = czci.CONFIG_REV_NBR
AND sub_sub.PS_NODE_NAME = 'tubing')) tubing_material
FROM aso_quote_lines_all asoqla,
aso_quote_line_details asoqld,
cz_config_items czci
WHERE asoqla.quote_header_id = 55774
AND asoqla.item_type_code = 'MDL'
--AND asoqla.org_id = 2763
AND asoqla.quote_line_id = asoqld.quote_line_id
AND asoqld.config_header_id = czci.config_hdr_id
AND asoqld.config_revision_num = czci.config_rev_nbr
AND czci.ps_node_name = 'CONTROL MASTER ASLY'
call count cpu elapsed disk query current rows
Parse 1 0.04 0.03 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 3 0.09 0.08 0 5100 0 19
total 5 0.13 0.12 0 5100 0 19
Misses in library cache during parse: 1
Optimizer goal: ALL_ROWS
Parsing user id: 173 (APPS)
Rows Row Source Operation
3 TABLE ACCESS BY INDEX ROWID CZ_LOCALIZED_TEXTS (cr=2161 pr=0 pw=0 time=32425 us)
40 NESTED LOOPS (cr=2158 pr=0 pw=0 time=32276 us)
3 NESTED LOOPS (cr=2147 pr=0 pw=0 time=32156 us)
3 NESTED LOOPS (cr=925 pr=0 pw=0 time=15885 us)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=665 pr=0 pw=0 time=13456 us)
5490 INDEX RANGE SCAN CZ_CONFIG_ITEMS_PK (cr=96 pr=0 pw=0 time=1237 us)(object id 3049621)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=260 pr=0 pw=0 time=2401 us)
1094 INDEX RANGE SCAN CZ_CONFIG_ITEMS_PK (cr=19 pr=0 pw=0 time=250 us)(object id 3049621)
3 TABLE ACCESS BY INDEX ROWID CZ_PS_NODES (cr=1222 pr=0 pw=0 time=16249 us)
3 INDEX RANGE SCAN CZ_PS_NODES_N12 (cr=1219 pr=0 pw=0 time=16211 us)(object id 750095)
1 SORT AGGREGATE (cr=1211 pr=0 pw=0 time=16125 us)
209 TABLE ACCESS FULL CZ_DEVL_PROJECTS (cr=1211 pr=0 pw=0 time=15883 us)
18 INDEX RANGE SCAN CZ_LOCALIZED_TEXTS_N1 (cr=11 pr=0 pw=0 time=68 us)(object id 31504)
3 TABLE ACCESS BY INDEX ROWID CZ_LOCALIZED_TEXTS (cr=2161 pr=0 pw=0 time=31499 us)
40 NESTED LOOPS (cr=2158 pr=0 pw=0 time=31351 us)
3 NESTED LOOPS (cr=2147 pr=0 pw=0 time=31215 us)
3 NESTED LOOPS (cr=925 pr=0 pw=0 time=15271 us)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=665 pr=0 pw=0 time=12441 us)
5490 INDEX RANGE SCAN CZ_CONFIG_ITEMS_PK (cr=96 pr=0 pw=0 time=1230 us)(object id 3049621)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=260 pr=0 pw=0 time=2795 us)
1094 INDEX RANGE SCAN CZ_CONFIG_ITEMS_PK (cr=19 pr=0 pw=0 time=264 us)(object id 3049621)
3 TABLE ACCESS BY INDEX ROWID CZ_PS_NODES (cr=1222 pr=0 pw=0 time=15920 us)
3 INDEX RANGE SCAN CZ_PS_NODES_N12 (cr=1219 pr=0 pw=0 time=15863 us)(object id 750095)
1 SORT AGGREGATE (cr=1211 pr=0 pw=0 time=15753 us)
209 TABLE ACCESS FULL CZ_DEVL_PROJECTS (cr=1211 pr=0 pw=0 time=15452 us)
18 INDEX RANGE SCAN CZ_LOCALIZED_TEXTS_N1 (cr=11 pr=0 pw=0 time=79 us)(object id 31504)
19 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=778 pr=0 pw=0 time=20571 us)
5816 NESTED LOOPS (cr=202 pr=0 pw=0 time=8497 us)
21 NESTED LOOPS (cr=96 pr=0 pw=0 time=2037 us)
23 TABLE ACCESS BY INDEX ROWID ASO_QUOTE_LINES_ALL (cr=47 pr=0 pw=0 time=1427 us)
1058 INDEX RANGE SCAN ASO_QUOTE_LINES_ALL_N1 (cr=9 pr=0 pw=0 time=51 us)(object id 81688)
21 TABLE ACCESS BY INDEX ROWID ASO_QUOTE_LINE_DETAILS (cr=49 pr=0 pw=0 time=596 us)
21 INDEX RANGE SCAN ASO_QUOTE_LINE_DETAILS_N1 (cr=28 pr=0 pw=0 time=323 us)(object id 81706)
5794 INDEX RANGE SCAN CZ_CONFIG_ITEMS_PK (cr=106 pr=0 pw=0 time=1424 us)(object id 3049621)Hi
After affed the exist operator i got below output. But it is more than that the previous one.
SELECT czci.config_hdr_id, czci.config_rev_nbr, asoqla.quantity,
(SELECT node_desc.localized_str
FROM cz_localized_texts node_desc,
cz_ps_nodes ps_nodes,
cz_config_items czci1
WHERE czci1.config_hdr_id = asoqld.config_header_id
AND czci1.config_rev_nbr = asoqld.config_revision_num
AND node_desc.intl_text_id = ps_nodes.intl_text_id
AND NVL (node_desc.LANGUAGE, USERENV ('LANG')) = USERENV ('LANG')
AND czci1.ps_node_id = ps_nodes.persistent_node_id
AND ps_nodes.devl_project_id = (SELECT MAX (devl_project_id)
FROM cz_devl_projects
WHERE NAME = 'Control Model')
AND EXISTS (
SELECT NULL
FROM cz_config_items sub_sub
WHERE sub_sub.config_hdr_id = asoqld.config_header_id
AND sub_sub.config_rev_nbr = asoqld.config_revision_num
AND sub_sub.ps_node_name = 'fittings'
AND czci1.parent_config_item_id = sub_sub.config_item_id))
fitting_material,
(SELECT node_desc.localized_str
FROM cz_localized_texts node_desc,
cz_ps_nodes ps_nodes,
cz_config_items czci1
WHERE czci1.config_hdr_id = asoqld.config_header_id
AND czci1.config_rev_nbr = asoqld.config_revision_num
AND node_desc.intl_text_id = ps_nodes.intl_text_id
AND node_desc.LANGUAGE = USERENV ('LANG')
AND czci1.ps_node_id = ps_nodes.persistent_node_id
AND ps_nodes.devl_project_id = (SELECT MAX (devl_project_id)
FROM cz_devl_projects
WHERE NAME = 'Control Model')
AND EXISTS (
SELECT NULL
FROM cz_config_items sub_sub
WHERE sub_sub.config_hdr_id = czci.config_hdr_id
AND sub_sub.config_rev_nbr = czci.config_rev_nbr
AND sub_sub.ps_node_name = 'tubing'
AND czci1.parent_config_item_id = sub_sub.config_item_id))
tubing_material
FROM aso_quote_lines_all asoqla,
aso_quote_line_details asoqld,
cz_config_items czci
WHERE asoqla.quote_header_id = 55774
AND asoqla.item_type_code = 'MDL'
--AND asoqla.org_id = 2763
AND asoqla.quote_line_id = asoqld.quote_line_id
AND asoqld.config_header_id = czci.config_hdr_id
AND asoqld.config_revision_num = czci.config_rev_nbr
AND czci.ps_node_name = 'CONTROL MASTER ASLY'
call count cpu elapsed disk query current rows
Parse 1 0.02 0.03 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 3 0.16 0.14 0 16526 0 19
total 5 0.18 0.17 0 16526 0 19
Misses in library cache during parse: 1
Optimizer goal: ALL_ROWS
Parsing user id: 173 (APPS)
Rows Row Source Operation
3 TABLE ACCESS BY INDEX ROWID CZ_LOCALIZED_TEXTS (cr=7874 pr=0 pw=0 time=51192 us)
40 NESTED LOOPS (cr=7871 pr=0 pw=0 time=50953 us)
3 NESTED LOOPS (cr=7860 pr=0 pw=0 time=50729 us)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=6638 pr=0 pw=0 time=33183 us)
3 INDEX RANGE SCAN CZ_CONFIG_ITEMS_N1 (cr=6635 pr=0 pw=0 time=33060 us)(object id 31734)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=6536 pr=0 pw=0 time=22873 us)
1292 INDEX UNIQUE SCAN CZ_CONFIG_ITEMS_PK (cr=5244 pr=0 pw=0 time=15326 us)(object id 3049621)
3 TABLE ACCESS BY INDEX ROWID CZ_PS_NODES (cr=1222 pr=0 pw=0 time=17483 us)
3 INDEX RANGE SCAN CZ_PS_NODES_N12 (cr=1219 pr=0 pw=0 time=17411 us)(object id 750095)
1 SORT AGGREGATE (cr=1211 pr=0 pw=0 time=17266 us)
209 TABLE ACCESS FULL CZ_DEVL_PROJECTS (cr=1211 pr=0 pw=0 time=16844 us)
18 INDEX RANGE SCAN CZ_LOCALIZED_TEXTS_N1 (cr=11 pr=0 pw=0 time=122 us)(object id 31504)
3 NESTED LOOPS (cr=7874 pr=0 pw=0 time=48203 us)
3 NESTED LOOPS (cr=7860 pr=0 pw=0 time=47973 us)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=6638 pr=0 pw=0 time=30352 us)
3 INDEX RANGE SCAN CZ_CONFIG_ITEMS_N1 (cr=6635 pr=0 pw=0 time=30218 us)(object id 31734)
3 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=6536 pr=0 pw=0 time=20960 us)
1292 INDEX UNIQUE SCAN CZ_CONFIG_ITEMS_PK (cr=5244 pr=0 pw=0 time=14224 us)(object id 3049621)
3 TABLE ACCESS BY INDEX ROWID CZ_PS_NODES (cr=1222 pr=0 pw=0 time=17570 us)
3 INDEX RANGE SCAN CZ_PS_NODES_N12 (cr=1219 pr=0 pw=0 time=17510 us)(object id 750095)
1 SORT AGGREGATE (cr=1211 pr=0 pw=0 time=17395 us)
209 TABLE ACCESS FULL CZ_DEVL_PROJECTS (cr=1211 pr=0 pw=0 time=16937 us)
3 TABLE ACCESS BY INDEX ROWID CZ_LOCALIZED_TEXTS (cr=14 pr=0 pw=0 time=165 us)
3 INDEX UNIQUE SCAN CZ_LOCALIZED_TEXTS_PK (cr=11 pr=0 pw=0 time=132 us)(object id 3050530)
19 TABLE ACCESS BY INDEX ROWID CZ_CONFIG_ITEMS (cr=778 pr=0 pw=0 time=41677 us)
5816 NESTED LOOPS (cr=202 pr=0 pw=0 time=16173 us)
21 NESTED LOOPS (cr=96 pr=0 pw=0 time=3617 us)
23 TABLE ACCESS BY INDEX ROWID ASO_QUOTE_LINES_ALL (cr=47 pr=0 pw=0 time=2528 us)
1058 INDEX RANGE SCAN ASO_QUOTE_LINES_ALL_N1 (cr=9 pr=0 pw=0 time=83 us)(object id 81688)
21 TABLE ACCESS BY INDEX ROWID ASO_QUOTE_LINE_DETAILS (cr=49 pr=0 pw=0 time=1053 us)
21 INDEX RANGE SCAN ASO_QUOTE_LINE_DETAILS_N1 (cr=28 pr=0 pw=0 time=598 us)(object id 81706)
5794 INDEX RANGE SCAN CZ_CONFIG_ITEMS_PK (cr=106 pr=0 pw=0 time=8245 us)(object id 3049621) -
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However, if you specify a server group or a special server in customizing, these specifications are not only valid for the activation, but also for the SID creation. The creation of SIDs runs on the application server on which the batch job also runs.
2. DB partitioning in active data tables (technical A table)
By partitioning by database level, you can delete data from the ODS object much more quickly. As a partitioning criterion, choose the characteristic by which you want to delete. For more information on partitioning database tables, see the database documentation (DBMS-CD). Partitioning is supported by the following databases: Oracle, DB2/390, Informix.
3. Indexing
Use selection criteria for queries for ODS objects. If the key fields are specified, the existing primary index is used. The more frequently accessed characteristic should appear on the left-hand side.
If you did not specify the key fields completely in the selection criteria (visible in the SQL trace), you improve the run time of the query by creating additional indexes. You can create these secondary indexes in the ODS object maintenance.
4. Activation of data in an ODS object
To improve system performance when activating data in the ODS object, you can make the following entries in Customizing under SAP Customizing Implementation Guide -> SAP NetWeaver -> Business Information Warehouse -> General BW Settings -> ODS Object Settings:
the maximum number of parallel processes when activating data in the ODS object as when moving SIDs
the minimum number of data records for each data package when activating data in the ODS object, meaning you define the size of the data packages that are activated
the maximum wait time in seconds when activating data in the ODS object. This is the time when the main process (batch process) waits for the dialog process that is split before it classifies it as having failed.
the server group that needs to be used when activating the data in ODS objects in parallel You have to create the server groups beforehand using the following path: Tools -> Administration -> Network -> RFC Destination, RFC -> RFC Groups. If you do not specify anything here, then the activation runs on the server on which the batch process was started for activation. If a server from the server group is not active, then the activation is cancelled.
5. Loading unique data records
If you only load unique data records (meaning data records with nonrecurring key combinations) into the ODS object, then the loading performance is improved when you set the indicator Unique Data Records in the ODS object maintenance.
The records are then updated more quickly because the system no longer needs to check whether the record already exists. You do have to be sure that there duplicate records are definitely not being loaded, because this will lead to termination.
Regards,
Naveen. -
My Macbook Pro is using 320GB on "Backups" and Time Machine is using 640GB. It just seems ridiculous, considering I everything else only takes up 77GB combined. How to I get rid of a good chunk of it from Macbook HD and also how can I reduce the Time Machine parameters, maybe so it starts deleting back up data sooner?
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