Bad performance with many xmlqueries in select and big resultset

I'm running into big performance problems with the following query (edited the query a bit to remove sensitive information):
SELECT id "id",created "created",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/element2/name' passing xml returning content) as varchar2(182))"element2Name",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/element3/name' passing xml returning content) as varchar2(182))"element3Name",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/ror/gcor' passing xml returning content) as varchar2(5))"gcor",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:status/c:cStatus' passing xml returning content) as integer)"cStatus",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:status/c:lrrm' passing xml returning content) as integer)"lrrm",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:status/c:sent' passing xml returning content) as integer)"sent",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:status/c:success' passing xml returning content) as integer)"success",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:status/c:processStep' passing xml returning content) as integer)"processStep",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/header/status/aseod' passing xml returning content) as number(1))"aseod",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/submission/deferred' passing xml returning content) as number(1))"deferred",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/header/status/eventReportReceived' passing xml returning content) as number(1))"eventReports",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:status/c:isOpen' passing xml returning content) as number(1))"isOpen",
xmlcast(xmlquery('declare default element namespace "http://www.example.com/myproject/schema/namespace2";declare namespace c="http://www.example.com/myproject/schema/common";/element1/c:element1Header/c:hasNotes' passing xml returning content) as number(1))"hasNotes"
FROM tablename,xmltable(xmlnamespaces(default 'http://www.example.com/myproject/schema/namespace2','http://www.example.com/myproject/schema/common' as "c"),'/element1' passing xml columns
created timestamp path 'c:element1Header/c:creationTime/text()',
organization_id integer path 'c:element1Header/c:organization/c:organizationId/text()',
is_sender number(1) path 'c:element1Header/c:isSender/text()')
WHERE organization_id = 5 AND is_sender = 1 AND created >= sysdate-20 AND created <= sysdate+1;This query is fast as long as the results is small (<1000), but when the resultset grows bigger, the performance seems to decrease exponentially. The cause of this slowdown seems to be in the xmlqueries; commenting out the xmlqueries makes the query very fast again (in the order of a few seconds), even with a 15000+ resultset, while including the xmlqueries makes the query take many minutes.
Workaround I tried: using a rownum < 1000 works fairly well, but only if I don't use order by (which is required). order by forces the resultset to be full built regardless of the rownum limit. (this was done with a subquery orderby and a rownum on the superquery)
Other workaround i tried: Having the subquery only return the xml column, and doing the xmlqueries in the superquery. I couldn't get this to work, something about no longer having a key-preserved table.
Background info about the database: Oracle 11.2.0.3.0, binary xmltype column, with a xmlindex unstructured component on all paths in this query, and a structured component with secondary indexes on the paths used in the WHERE (created, organization_id and is_sender). Database has about 140k records total.
My question is, if anyone knows if this xmlquery bottleneck can be remedied somehow?
Addition: graph i made indicating the performance at different resultset sizes. Horizontal axis is size of resultset, vertical axis is time spent in seconds: http://i.imgur.com/F2tyg.png

Just count(*), nothing else in the select:
COUNT(*)
15432
Plan hash value: 1584286506
| Id | Operation                      | Name                  | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT               |                       |     1 |    39 |    31   (0)| 00:00:01 |
|   1 | SORT AGGREGATE                |                       |     1 |    39 |            |          |
|* 2 |   FILTER                       |                       |       |       |            |          |
|   3 |    NESTED LOOPS                |                       |    15 |   585 |    31   (0)| 00:00:01 |
|   4 |     TABLE ACCESS BY INDEX ROWID| TABLENAME_SC          |    15 |   405 |    16   (0)| 00:00:01 |
|* 5 |      INDEX RANGE SCAN          | TABLENAME_SC_SUB_IX   |    15 |       |     3   (0)| 00:00:01 |
|   6 |     TABLE ACCESS BY USER ROWID | TABLENAME             |     1 |    12 |     1   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   2 - filter(SYSDATE@!-500<=SYSDATE@!-50)
   5 - access("SYS_SXI_0"."ORGANIZATION_ID"=6 AND "SYS_SXI_0"."IS_SENDER"=1 AND
              "SYS_SXI_0"."CREATION_TIME">=SYSDATE@!-500 AND "SYS_SXI_0"."CREATION_TIME"<=SYSDATE@!-50)Original query with ORDER BY on 2 structured component columns, 1 descending and 1 ascending (NOTE: While the explain plan says the time is 00:00:01, the query takes 763 seconds to complete)
| Id | Operation                      | Name                           | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT               |                                |    15 | 23880 |    32   (4)| 00:00:01 |
|   1 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 2 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 3 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
|   4 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 5 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    16 |   656 |     5   (0)| 00:00:01 |
|* 6 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    16 |       |     3   (0)| 00:00:01 |
|   7 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 8 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    15 |   615 |     4   (0)| 00:00:01 |
|* 9 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    15 |       |     3   (0)| 00:00:01 |
| 10 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 11 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 12 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 13 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 14 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 15 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 16 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 17 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 18 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 19 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 20 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 21 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 22 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 23 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 24 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 25 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 26 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     1 |    41 |     4   (0)| 00:00:01 |
|* 27 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |     1 |       |     3   (0)| 00:00:01 |
| 28 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 29 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     8 |   328 |     4   (0)| 00:00:01 |
|* 30 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |     8 |       |     3   (0)| 00:00:01 |
| 31 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 32 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     1 |    41 |     4   (0)| 00:00:01 |
|* 33 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |     1 |       |     3   (0)| 00:00:01 |
| 34 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 35 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 36 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 37 | SORT ORDER BY                 |                                |    15 | 23880 |    32   (4)| 00:00:01 |
|* 38 |   FILTER                       |                                |       |       |            |          |
| 39 |    NESTED LOOPS                |                                |    15 | 23880 |    31   (0)| 00:00:01 |
| 40 |     TABLE ACCESS BY INDEX ROWID| TABLENAME_SC                   |    15 | 1350 |    16   (0)| 00:00:01 |
|* 41 |      INDEX RANGE SCAN          | TABLENAME_SC_SUB_IX            |    15 |       |     3   (0)| 00:00:01 |
| 42 |     TABLE ACCESS BY USER ROWID | TABLENAME                      |     1 | 1502 |     1   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   2 - filter(SYS_XMLI_LOC_ISNODE("SYS_P1"."LOCATOR")=1)
   3 - access("SYS_P1"."RID"=:B1 AND "SYS_P1"."PATHID"=HEXTORAW('509D') )
   5 - filter(SYS_XMLI_LOC_ISNODE("SYS_P3"."LOCATOR")=1)
   6 - access("SYS_P3"."RID"=:B1 AND "SYS_P3"."PATHID"=HEXTORAW('4FDE') )
   8 - filter(SYS_XMLI_LOC_ISNODE("SYS_P5"."LOCATOR")=1)
   9 - access("SYS_P5"."RID"=:B1 AND "SYS_P5"."PATHID"=HEXTORAW('7129') )
11 - filter(SYS_XMLI_LOC_ISNODE("SYS_P7"."LOCATOR")=1)
12 - access("SYS_P7"."RID"=:B1 AND "SYS_P7"."PATHID"=HEXTORAW('73C0') )
14 - filter(SYS_XMLI_LOC_ISNODE("SYS_P9"."LOCATOR")=1)
15 - access("SYS_P9"."RID"=:B1 AND "SYS_P9"."PATHID"=HEXTORAW('3092') )
17 - filter(SYS_XMLI_LOC_ISNODE("SYS_P11"."LOCATOR")=1)
18 - access("SYS_P11"."RID"=:B1 AND "SYS_P11"."PATHID"=HEXTORAW('30AA') )
20 - filter(SYS_XMLI_LOC_ISNODE("SYS_P13"."LOCATOR")=1)
21 - access("SYS_P13"."RID"=:B1 AND "SYS_P13"."PATHID"=HEXTORAW('3415') )
23 - filter(SYS_XMLI_LOC_ISNODE("SYS_P15"."LOCATOR")=1)
24 - access("SYS_P15"."RID"=:B1 AND "SYS_P15"."PATHID"=HEXTORAW('4972') )
26 - filter(SYS_XMLI_LOC_ISNODE("SYS_P17"."LOCATOR")=1)
27 - access("SYS_P17"."RID"=:B1 AND "SYS_P17"."PATHID"=HEXTORAW('745F') )
29 - filter(SYS_XMLI_LOC_ISNODE("SYS_P19"."LOCATOR")=1)
30 - access("SYS_P19"."RID"=:B1 AND "SYS_P19"."PATHID"=HEXTORAW('6BA9') )
32 - filter(SYS_XMLI_LOC_ISNODE("SYS_P21"."LOCATOR")=1)
33 - access("SYS_P21"."RID"=:B1 AND "SYS_P21"."PATHID"=HEXTORAW('62DB') )
35 - filter(SYS_XMLI_LOC_ISNODE("SYS_P23"."LOCATOR")=1)
36 - access("SYS_P23"."RID"=:B1 AND "SYS_P23"."PATHID"=HEXTORAW('1FD9') )
38 - filter(SYSDATE@!-500<=SYSDATE@!-50)
41 - access("SYS_SXI_0"."ORGANIZATION_ID"=6 AND "SYS_SXI_0"."IS_SENDER"=1 AND
              "SYS_SXI_0"."CREATION_TIME">=SYSDATE@!-500 AND "SYS_SXI_0"."CREATION_TIME"<=SYSDATE@!-50)
Note
   - Unoptimized XML construct detected (enable XMLOptimizationCheck for more information)The same query with ORDER BY only on CREATED DESC (takes 15 seconds to complete):
| Id | Operation                      | Name                           | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT               |                                |    15 | 23880 |    31   (0)| 00:00:01 |
|   1 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 2 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 3 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
|   4 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 5 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    16 |   656 |     5   (0)| 00:00:01 |
|* 6 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    16 |       |     3   (0)| 00:00:01 |
|   7 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 8 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    15 |   615 |     4   (0)| 00:00:01 |
|* 9 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    15 |       |     3   (0)| 00:00:01 |
| 10 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 11 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 12 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 13 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 14 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 15 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 16 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 17 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 18 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 19 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 20 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 21 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 22 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 23 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 24 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
| 25 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 26 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     1 |    41 |     4   (0)| 00:00:01 |
|* 27 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |     1 |       |     3   (0)| 00:00:01 |
| 28 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 29 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     8 |   328 |     4   (0)| 00:00:01 |
|* 30 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |     8 |       |     3   (0)| 00:00:01 |
| 31 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 32 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     1 |    41 |     4   (0)| 00:00:01 |
|* 33 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |     1 |       |     3   (0)| 00:00:01 |
| 34 | SORT GROUP BY                 |                                |     1 |    41 |            |          |
|* 35 |   TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |    17 |   697 |     5   (0)| 00:00:01 |
|* 36 |    INDEX RANGE SCAN            | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
|* 37 | FILTER                        |                                |       |       |            |          |
| 38 |   NESTED LOOPS                 |                                |    15 | 23880 |    31   (0)| 00:00:01 |
| 39 |    TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |    15 | 1350 |    16   (0)| 00:00:01 |
|* 40 |     INDEX RANGE SCAN DESCENDING| TABLENAME_SC_SUB_IX            |    15 |       |     3   (0)| 00:00:01 |
| 41 |    TABLE ACCESS BY USER ROWID | TABLENAME                      |     1 | 1502 |     1   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   2 - filter(SYS_XMLI_LOC_ISNODE("SYS_P1"."LOCATOR")=1)
   3 - access("SYS_P1"."RID"=:B1 AND "SYS_P1"."PATHID"=HEXTORAW('509D') )
   5 - filter(SYS_XMLI_LOC_ISNODE("SYS_P3"."LOCATOR")=1)
   6 - access("SYS_P3"."RID"=:B1 AND "SYS_P3"."PATHID"=HEXTORAW('4FDE') )
   8 - filter(SYS_XMLI_LOC_ISNODE("SYS_P5"."LOCATOR")=1)
   9 - access("SYS_P5"."RID"=:B1 AND "SYS_P5"."PATHID"=HEXTORAW('7129') )
11 - filter(SYS_XMLI_LOC_ISNODE("SYS_P7"."LOCATOR")=1)
12 - access("SYS_P7"."RID"=:B1 AND "SYS_P7"."PATHID"=HEXTORAW('73C0') )
14 - filter(SYS_XMLI_LOC_ISNODE("SYS_P9"."LOCATOR")=1)
15 - access("SYS_P9"."RID"=:B1 AND "SYS_P9"."PATHID"=HEXTORAW('3092') )
17 - filter(SYS_XMLI_LOC_ISNODE("SYS_P11"."LOCATOR")=1)
18 - access("SYS_P11"."RID"=:B1 AND "SYS_P11"."PATHID"=HEXTORAW('30AA') )
20 - filter(SYS_XMLI_LOC_ISNODE("SYS_P13"."LOCATOR")=1)
21 - access("SYS_P13"."RID"=:B1 AND "SYS_P13"."PATHID"=HEXTORAW('3415') )
23 - filter(SYS_XMLI_LOC_ISNODE("SYS_P15"."LOCATOR")=1)
24 - access("SYS_P15"."RID"=:B1 AND "SYS_P15"."PATHID"=HEXTORAW('4972') )
26 - filter(SYS_XMLI_LOC_ISNODE("SYS_P17"."LOCATOR")=1)
27 - access("SYS_P17"."RID"=:B1 AND "SYS_P17"."PATHID"=HEXTORAW('745F') )
29 - filter(SYS_XMLI_LOC_ISNODE("SYS_P19"."LOCATOR")=1)
30 - access("SYS_P19"."RID"=:B1 AND "SYS_P19"."PATHID"=HEXTORAW('6BA9') )
32 - filter(SYS_XMLI_LOC_ISNODE("SYS_P21"."LOCATOR")=1)
33 - access("SYS_P21"."RID"=:B1 AND "SYS_P21"."PATHID"=HEXTORAW('62DB') )
35 - filter(SYS_XMLI_LOC_ISNODE("SYS_P23"."LOCATOR")=1)
36 - access("SYS_P23"."RID"=:B1 AND "SYS_P23"."PATHID"=HEXTORAW('1FD9') )
37 - filter(SYSDATE@!-500<=SYSDATE@!-50)
40 - access("SYS_SXI_0"."ORGANIZATION_ID"=6 AND "SYS_SXI_0"."IS_SENDER"=1 AND
              "SYS_SXI_0"."CREATION_TIME">=SYSDATE@!-500 AND "SYS_SXI_0"."CREATION_TIME"<=SYSDATE@!-50)
Note
   - Unoptimized XML construct detected (enable XMLOptimizationCheck for more information)Removing all XmlQueries from the SELECT and adding 1 of them to the XmlTable in the FROM (full table scan, takes 25 seconds to complete):
| Id | Operation                    | Name                           | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT             |                                | 1522 | 2232K| 15515   (3)| 00:03:07 |
|   1 | TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |     1 |    21 |     2   (0)| 00:00:01 |
|* 2 |   INDEX RANGE SCAN           | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
|   3 | TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |     1 |    32 |     2   (0)| 00:00:01 |
|* 4 |   INDEX RANGE SCAN           | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
|   5 | TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |     1 |    23 |     2   (0)| 00:00:01 |
|* 6 |   INDEX RANGE SCAN           | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
|   7 | TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |     1 |    27 |     2   (0)| 00:00:01 |
|* 8 |   INDEX RANGE SCAN           | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
|   9 | TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |     1 |    18 |     2   (0)| 00:00:01 |
|* 10 |   INDEX RANGE SCAN           | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
| 11 | TABLE ACCESS BY INDEX ROWID | TABLENAME_SC                   |     1 |    13 |     2   (0)| 00:00:01 |
|* 12 |   INDEX RANGE SCAN           | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
|* 13 | TABLE ACCESS BY INDEX ROWID | SYS63339_TABL_XML_I_PATH_TABLE |     1 |    37 |     4   (0)| 00:00:01 |
|* 14 |   INDEX RANGE SCAN           | SYS63339_TABL_XML_I_PIKEY_IX   |    17 |       |     3   (0)| 00:00:01 |
|* 15 | FILTER                      |                                |       |       |            |          |
|* 16 |   TABLE ACCESS FULL          | TABLENAME                      | 1522 | 2232K| 9423   (4)| 00:01:54 |
| 17 |   TABLE ACCESS BY INDEX ROWID| TABLENAME_SC                   |     1 |    13 |     2   (0)| 00:00:01 |
|* 18 |    INDEX RANGE SCAN          | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
| 19 |   TABLE ACCESS BY INDEX ROWID| TABLENAME_SC                   |     1 |    13 |     2   (0)| 00:00:01 |
|* 20 |    INDEX RANGE SCAN          | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
| 21 |   TABLE ACCESS BY INDEX ROWID| TABLENAME_SC                   |     1 |    21 |     2   (0)| 00:00:01 |
|* 22 |    INDEX RANGE SCAN          | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
| 23 |   TABLE ACCESS BY INDEX ROWID| TABLENAME_SC                   |     1 |    21 |     2   (0)| 00:00:01 |
|* 24 |    INDEX RANGE SCAN          | SYS63339_63348_RID_IDX         |     1 |       |     1   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   2 - access("SYS_SXI_7"."RID"=:B1)
   4 - access("SYS_SXI_6"."RID"=:B1)
   6 - access("SYS_SXI_5"."RID"=:B1)
   8 - access("SYS_SXI_4"."RID"=:B1)
10 - access("SYS_SXI_3"."RID"=:B1)
12 - access("SYS_SXI_2"."RID"=:B1)
13 - filter(SYS_XMLI_LOC_ISTEXT("SYS_P0"."LOCATOR","SYS_P0"."PATHID")=1)
14 - access("SYS_P0"."RID"=:B1 AND "SYS_P0"."PATHID"=HEXTORAW('509D') )
15 - filter(CAST(TO_NUMBER(SYS_XQ_UPKXML2SQL(SYS_XQEXVAL( (SELECT
              SYS_XQ_PKSQL2XML("SYS_SXI_11"."ORGANIZATION_ID",2,4,2) FROM "USERN"."TABLENAME_SC" "SYS_SXI_11" WHERE
              "SYS_SXI_11"."RID"=:B1),0,0,54525952,0),50,1,2)) AS integer )=6 AND
              CAST(TO_NUMBER(SYS_XQ_UPKXML2SQL(SYS_XQEXVAL( (SELECT SYS_XQ_PKSQL2XML("SYS_SXI_10"."IS_SENDER",2,4,2)
              FROM "USERN"."TABLENAME_SC" "SYS_SXI_10" WHERE "SYS_SXI_10"."RID"=:B2),0,0,54525952,0),50,1,2)) AS
              number(1) )=1 AND CAST(TO_TIMESTAMP(SYS_XQ_UPKXML2SQL(SYS_XQEXVAL( (SELECT
              SYS_XQ_PKSQL2XML("SYS_SXI_9"."CREATION_TIME",180,8,2) FROM "USERN"."TABLENAME_SC" "SYS_SXI_9" WHERE
              "SYS_SXI_9"."RID"=:B3),0,0,20971520,0),50,1,2),'SYYYY-MM-DD"T"HH24:MI:SSXFF') AS timestamp
              )>=SYSDATE@!-300 AND CAST(TO_TIMESTAMP(SYS_XQ_UPKXML2SQL(SYS_XQEXVAL( (SELECT
              SYS_XQ_PKSQL2XML("SYS_SXI_8"."CREATION_TIME",180,8,2) FROM "USERN"."TABLENAME_SC" "SYS_SXI_8" WHERE
              "SYS_SXI_8"."RID"=:B4),0,0,20971520,0),50,1,2),'SYYYY-MM-DD"T"HH24:MI:SSXFF') AS timestamp
              )<=SYSDATE@!-200)
16 - filter(EXISTSNODE(SYS_MAKEXML(0,"SYS_ALIAS_11"."SYS_NC00003$"),'/oraxq_defpfx:element1','
              xmlns:oraxq_defpfx="http://www.example.com/myproject/schema/namespace2"')=1)
18 - access("SYS_SXI_11"."RID"=:B1)
20 - access("SYS_SXI_10"."RID"=:B1)
22 - access("SYS_SXI_9"."RID"=:B1)
24 - access("SYS_SXI_8"."RID"=:B1)Index creation script:
CREATE INDEX tabl_xml_ix
ON tablename(xml)
INDEXTYPE IS XDB.XMLIndex
PARAMETERS('
    PATHS (INCLUDE (/element1/common:header/common:kind
/element1/common:element1Header/common:referenceNumber
/element1/common:element1Header/common:reference
/element1/common:element1Header/common:organization/common:organizationId
/element1/common:element1Header/common:status/common:cStatus
/element1/common:element1Header/common:status/common:isOpen
/element1/common:element1Header/common:status/common:processStep
/element1/common:element1Header/common:status/common:lrrm
/element1/common:element1Header/common:status/common:sent
/element1/common:element1Header/common:status/common:success
/element1/common:element1Header/common:creationTime)
                   NAMESPACE MAPPING (xmlns="http://www.example.com/myproject/schema/namespace2"
                        xmlns:common="http://www.example.com/myproject/schema/common"))');
ALTER INDEX tabl_xml_ix
PARAMETERS ('PATHS (INCLUDE ADD (/element1/e/referenceCode
/element1/e/header/sNumber
/element1/element2/name
/element1/element3/name
/element1/element4/id
/element1/submission/deferred
/element1/common:element1Header/common:organization/common:pNumber
/element1/e/iNumber
/element1/header/status/aseod
/element1/common:element1Header/common:isSender
/element1/ror/gcor
/element1/header/status/eventReportReceived
/element1/pod/eNumber)
                   NAMESPACE MAPPING (xmlns="http://www.example.com/myproject/schema/namespace2"
                        xmlns:common="http://www.example.com/myproject/schema/common"))');
BEGIN
DBMS_XMLINDEX.registerParameter(
    'tablename_add_sc','ADD_GROUP GROUP tablename_group
XMLTABLE tablename_sc
XMLNAMESPACES(
DEFAULT ''http://www.example.com/myproject/schema/namespace2'',
''http://www.example.com/myproject/schema/common'' AS "common"
''/element1''
COLUMNS
is_sender NUMBER(1) path ''common:element1Header/common:isSender/text()'',
creation_time TIMESTAMP PATH ''common:element1Header/common:creationTime/text()'',
rn VARCHAR2(22 CHAR) PATH ''common:element1Header/common:referenceNumber/text()'',
rc VARCHAR2(21) PATH ''e/referenceCode/text()'',
reference VARCHAR2(35 CHAR) PATH ''common:element1Header/common:reference/text()'',
i_nr VARCHAR2(35 CHAR) PATH ''e/iNumber/text()'',
p_nr VARCHAR2(32) PATH ''common:element1Header/common:organization/common:pNumber/text()'',
pod_e_nr VARCHAR2(13) PATH ''pod/eNumber/text()'',
d_id VARCHAR2(16) PATH ''element4/id/text()'',
organization_id INTEGER PATH ''common:element1Header/common:organization/common:organizationId/text()'',
sequence_number INTEGER PATH ''e/eHeader/sequenceNumber/text()''
END;
ALTER INDEX tabl_xml_ix PARAMETERS('PARAM tablename_add_sc');
create index tablename_sc_rn_ix on tablename_sc(rn);
create index tablename_sc_time_ix on tablename_sc(creation_time);
create index tablename_sc_sub_ix on tablename_sc (organization_id, is_sender, creation_time);Edited by: Michiel Weggen on Apr 11, 2012 2:02 AM Reason: Forgot secondary indexes.
Edited by: Michiel Weggen on Apr 11, 2012 5:51 AM: changed path of d_id to element4/id in the structured component

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Select----
End Select.
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Disclaimer
The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
Liability Disclaimer
In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
Posting
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This bad performance happened in both Webi web and Rich Client. (in Webi Rich Client, the performance is a little bit better. The 'delete column' action takes about 8 seconds to complete).
Do anyone know how to tune this performance in webi? Thank you.
Besides, it seems that each time we are making change in the webi report structure in IE or Rich Client, webi need to interact with Server site to upload the changes. Is there any option to change this behavior? Say, do not upload change to Server for when 'deleting report column', only trigger the upload after a set of actions(e.g. trigger when click the "Save" button).
Thank you.
Regards,
Eton.

Hi all,
Could anyone help me on this? Thanks!
What customer concerns now is that when they did the same 'column editing' action in BO XI R2 for the same report, they did not need to wait. And they need to wait for at least 7-8 second in the BO 4.1SP02 environment for this action to complete.(data already purged, in structure-only mode)
One more information about the webi report being editing is: there are many sheets in the report(about 6~10 sheets in one report). Customer don't want to separate these sheet into different reports as it will increase the effort of their end users to locate similar report sheets.
Regards,
Eton.

Bad performance with many xmlqueries in select and big resultset

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