Slow SDO_RELATE operation on a spatial view

Hi Folks,
I need some help to understand what's going on with a spatial query that is taking so long to be executed (about 7 minutes).
I have a spatial view as below:
create or replace view v_lote_fiscal_relac as
select
lf.objectid,lf.numbloco,lf.setor,lf.quarteirao,lf.origem,lf.tipo,lf.nome,lf.superquadra,lf.quadra,lf.area,lf.observacao,lf.motivo,lf.data,lf.matricula,
vlf.idf_lote,vlf.ind_tipo_lote,vlf.num_lote,vlf.num_seq_lote,vlf.num_setor,vlf.num_quarteirao,vlf.mtr_area_real,vlf.des_tipo_categoria,
lf.geom
from
GEOSMFAGP.Lote_Fiscal lf, IMO_VW_LOTE_FISCAL@POAGEO vlf
where
retorna_num_lote(lf.numbloco) = vlf.num_lote AND
retorna_num_seq_lote(lf.numbloco) = vlf.num_seq_lote;
The functions retorna_num_lote and retorna_num_seq_lote just do a substr to extract information from lf.numbloco column
This is the spatial query created by a mapping application
SELECT
OBJECTID
FROM
GEOPONTO.V_LOTE_FISCAL_RELAC T
WHERE
SDO_RELATE(T.GEOM,
SDO_GEOMETRY(2003,1010101,NULL,
SDO_ELEM_INFO_ARRAY(1,1003,1),
SDO_ORDINATE_ARRAY(180514.7833451195,1663508.6932339652,
180514.84948680276,1663504.0633161366,
180517.6274375,1663503.9971744534,
180517.69357918325,1663508.4948089155,
180514.7833451195,1663508.6932339652)), 'mask=ANYINTERACT') = 'TRUE'
Please, correct me if I'm wrong, but it looks like the query will first get all the records that satisfy the where clause and then apply the spatial filter on this resultset.
How can it be improved?
I did some tests using SQL Developer (SQL Profiler) and it was possible to create a better execution plan to this query. The time was reduced to 4 seconds.
But the SQL Profile seems to have effect only to the query analyzed. I mean, if a change the sdo_geometry parameter, the query takes 7 minutes again.
Any ideas?
Regards,
Luis

Hi Stefan,
Please, see below the Explain Plan that I mentioned and the SQL Profiler command that makes the query be executed very fast.
*1- Original*
Plan hash value: 2780585567
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Inst |IN-OUT|
| 0 | SELECT STATEMENT | | 4808 | 1596K | 25 (0)| 00:00:01 | | |
| 1 | NESTED LOOPS | | 4808 | 1596K| 25 (0)| 00:00:01 | | |
| 2 | REMOTE | IMO_VW_LOTE_FISCAL | 25553 | 648K | 25 (0)| 00:00:01 | POAGEO | R->S |
|* 3 | TABLE ACCESS BY INDEX ROWID| LOTE_FISCAL | 1 | 314 | 25 (0)| 00:00:01 | | |
|* 4 | DOMAIN INDEX | XSPLOTE_FISCAL_GEO | | | 0 (0)| 00:00:01 | | |
uery Block Name / Object Alias (identified by operation id):
1 - SEL$F5BB74E1
2 - SEL$F5BB74E1 / VLF@SEL$2
3 - SEL$F5BB74E1 / LF@SEL$2
4 - SEL$F5BB74E1 / LF@SEL$2
Predicate Information (identified by operation id):
3 - filter("VLF"."NUM_LOTE"="RETORNA_NUM_LOTE"("LF"."NUMBLOCO") AND
"VLF"."NUM_SEQ_LOTE"="RETORNA_NUM_SEQ_LOTE"("LF"."NUMBLOCO"))
4 - access("MDSYS"."SDO_RELATE"("LF"."GEOM","MDSYS"."SDO_GEOMETRY"(2003,1010101,NULL,"SDO_ELEM_INFO_ARRA
Y"(1,1003,1),"SDO_ORDINATE_ARRAY"(180514.7833451195,1663508.6932339652,180514.84948680276,1663504.063316136
6,180517.6274375,1663503.9971744534,180517.69357918325,1663508.4948089155,180514.7833451195,1663508.6932339
652)),'mask=ANYINTERACT')='TRUE')
*2- Using SQL Profile*
Plan hash value: 3617866586
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Inst |IN-OUT|
| 0 | SELECT STATEMENT | | 4808 | 1596K| 485 (1) | 00:00:06 | | |
|* 1 | HASH JOIN | | 4808 | 1596K| 485 (1) | 00:00:06 | | |
| 2 | TABLE ACCESS BY INDEX ROWID| LOTE_FISCAL | 1882 | 577K| 459 (1) | 00:00:06 | | |
|* 3 | DOMAIN INDEX | XSPLOTE_FISCAL_GEO | | | 0 (0) | 00:00:01 | | |
| 4 | REMOTE | IMO_VW_LOTE_FISCAL | 25553 | 648K| 25 (0) | 00:00:01 | POAGEO | R->S |
uery Block Name / Object Alias (identified by operation id):
1 - SEL$F5BB74E1
2 - SEL$F5BB74E1 / LF@SEL$2
3 - SEL$F5BB74E1 / LF@SEL$2
4 - SEL$F5BB74E1 / VLF@SEL$2
Predicate Information (identified by operation id):
1 - access("VLF"."NUM_LOTE"="RETORNA_NUM_LOTE"("LF"."NUMBLOCO") AND
"VLF"."NUM_SEQ_LOTE"="RETORNA_NUM_SEQ_LOTE"("LF"."NUMBLOCO"))
3 - access("MDSYS"."SDO_RELATE"("LF"."GEOM","MDSYS"."SDO_GEOMETRY"(2003,1010101,NULL,"SDO_ELEM_INFO_ARRA
Y"(1,1003,1),"SDO_ORDINATE_ARRAY"(180514.7833451195,1663508.6932339652,180514.84948680276,1663504.063316136
6,180517.6274375,1663503.9971744534,180517.69357918325,1663508.4948089155,180514.7833451195,1663508.6932339
652)),'mask=ANYINTERACT')='TRUE')
Recommendation (estimated benefit: 99.96%)
- Consider this SQL Profile:.
execute dbms_sqltune.accept_sql_profile(task_name => 'staName68255',
task_owner => 'GEOPONTO', replace => TRUE);
After the execution o the command above, the same query is executed in 3 seconds.
P.S: I Cannot change the view, the column is indexed and SDO_FILTER will not work for me, because I need an exact match.
Regards,
Luis

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Sdo_filter fail when query against a spatial view in different schema

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--create view
CREATE VIEW USER1.MY_VIEW AS SELECT ID ,X_COORD,Y_COORD, SDO_GEOMETRY(2001,2264,SDO_POINT_TYPE(NVL(X_COORD,0),NVL(Y_COORD,0),NULL),NULL,NULL) SHAPE
FROM USER1.LOCATIONS WHERE X_COORD>0 AND Y_COORD>0;
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SELECT SHAPE FROM (
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-- run spatial query from table directly, simply replace the view with actual statements that created the view. works fine by user1 AND user2.
SELECT SHAPE FROM (
SELECT ID ,X_COORD,Y_COORD, SDO_GEOMETRY(2001,2264,SDO_POINT_TYPE(NVL(X_COORD,0),NVL(Y_COORD,0),NULL),NULL,NULL) SHAPE
FROM USER1.LOCATIONS WHERE X_COORD>0 AND Y_COORD>0
) a WHERE sdo_filter (shape, sdo_geometry ('POLYGON ((1447000 540000, 1453000 540000, 1453000 545000, 1447000 545000, 1447000 540000))', 2264), 'querytype=window') = 'TRUE';
When run against the view by user2, the error is:
ORA-13226: interface not supported without a spatial index
ORA-06512: at "MDSYS.MD", line 1723
ORA-06512: at "MDSYS.MDERR", line 8
ORA-06512: at "MDSYS.SDO_3GL", line 1173
13226. 00000 - "interface not supported without a spatial index"
*Cause: The geometry table does not have a spatial index.
*Action: Verify that the geometry table referenced in the spatial operator
has a spatial index on it.
Note, the SELECT SHAPE FROM (****) A WHERE SDO_FILTER(....) syntax is a third party application, all we have control is the part inside "(select ...)".
So it appears Oracle is treating view differently. Have attempted fake the view name into USER_SDO_GEOM_METADATA, did not work. Also, granted select on the index table to user2, did not work.
if we re-created the view in user2 schema, it worked for user2 but not user1, so it's not something we can do for every user.
Searched the forum, no good match found. A few posts talked about "union all" in view caused the problem but I do not have the union.
We are only use Oracle 10g Locator, not full spatial edition.
Any ideas?
Thanks!
Edited by: liu.284 on Oct 4, 2011 12:08 PM

It seems a bug, where a function-based spatial index is not correctly handled in a view query transformation.
Not sure if the following works for you or not.
add a new column "shape" (mdsys.sdo_geometry) in table locations, use a trigger and x_coord/y_coord
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and error that I get. I have taken care with the grants from
mdsys for the SDO_RELATE and all the other operators.
DEV>SHO USER
USER ist "GEODIS"
DEV>CREATE OR REPLACE VIEW REPORT_STREETINFO AS
2 SELECT DT.ID, MKT.CODE MKT_CODE, PRIM_NAME,
3 NVL(MIN(DECODE(ST.FROMNRLE, 0, NULL, ST.FROMNRLE)),0)
MIN_FROMNRLE,
4 MAX(ST.TONRLE) MAX_TONRLE,
5 NVL(MIN(DECODE(ST.FROMNRRI, 0, NULL, ST.FROMNRRI)),0)
MIN_FROMNRRI,
6 MAX(ST.TONRRI) MAX_TONRRI,
7 MKT.NAME MKT_NAME, MKT.NAME2 MKT_NAME2, MKT.STREET
MKT_STREET, MKT.CITY MKT_CITY,
8 MKT.ZIP MKT_ZIP,
9 MKT.PO_BOX MKT_POBOX
10 FROM STREETINFO ST, DISTAREA DT, MARKET MKT, DISTAREA_WA
DTWA,WALKERAREA WA
11 WHERE PRIM_NAME IS NOT NULL AND
12 (ST.FROMNRLE != 0 AND ST.TONRLE != 0 OR
13 ST.FROMNRRI != 0 AND ST.TONRRI != 0) AND
14 DTWA.DISTAREA_ID = DT.ID AND
15 WA.WASID = DTWA.WASID AND
16 MKT.SRNO = DT.MARKET_ID AND
17 MDSYS.SDO_RELATE(ST.GEOLOC, WA.GEOLOC, 'mask=
(inside+coveredby+on)
18 querytype=window') = 'TRUE'
19 GROUP BY PRIM_NAME, MKT.CODE, DT.ID,
20 MKT.NAME, MKT.NAME2, MKT.STREET, MKT.CITY, MKT.ZIP,
MKT.PO_BOX
21 ORDER BY PRIM_NAME
22 /
View wurde angelegt.
DEV>SELECT PRIM_NAME FROM REPORT_STREETINFO WHERE ID = 108;
PRIM_NAME
Altenhagener
Weg
Alter
Zollweg
Am
Knill
Am
Kroog
Am
Lehmberg
Babenstieg
Bargteheider
Strasse
Bekassinenau
Blomeweg
Boltenhagener
Strasse
Bublitzer
Strasse
Carlssonweg
Farmsener
Zoll
Finkenfurth
Grvmitzer
Weg
Grundherrenstrasse
Herwardistrasse
Hohenkamp
Hoher
Berg
Im
Wiesengrund
Jacobshagener
Weg
Kohvvedstrasse
Kvsliner
Strasse
Krohnsheide
K|hlungsborner
Strasse
Nienhagener
Strasse
Pfefferstrasse
Rahlstedter
Stieg
Rahlstedter
Weg
Raschweg
R|genwalder
Strasse
Rummelsburger
Strasse
Sandkule
Scharbeutzer
Strasse
Sierksdorfer
Strasse
Stargarder
Strasse
Thiessenweg
Timmendorfer
Stieg
Timmendorfer
Strasse
Treptower
Strasse
Wolliner
Strasse
41 Zeilen ausgewdhlt.
DEV>GRANT SELECT ON REPORT_STREETINFO TO PWEIH;
Benutzerzugriff (Grant) wurde erteilt.
DEV>CREATE SYNONYM PWEIH.REPORT_STREETINFO FOR
GEODIS.REPORT_STREETINFO;
Synonym wurde angelegt.
DEV>CONN PWEIH/PWEIH@DEVELOP
Connect durchgef|hrt.
DEV>DESC REPORT_STREETINFO;
Name Null? Typ
ID NOT NULL NUMBER(10)
MKT_CODE VARCHAR2(10)
PRIM_NAME VARCHAR2(40)
MIN_FROMNRLE VARCHAR2(40)
MAX_TONRLE NUMBER
MIN_FROMNRRI VARCHAR2(40)
MAX_TONRRI NUMBER
MKT_NAME VARCHAR2(40)
MKT_NAME2 VARCHAR2(40)
MKT_STREET VARCHAR2(40)
MKT_CITY VARCHAR2(40)
MKT_ZIP VARCHAR2(9)
MKT_POBOX VARCHAR2(40)
DEV>SELECT PRIM_NAME FROM REPORT_STREETINFO WHERE ID = 108;
SELECT PRIM_NAME FROM REPORT_STREETINFO WHERE ID = 108
FEHLER in Zeile 1:
ORA-03113: Unerwartetes \bertragungsende in Kommunikation
DEV>SPOOL OFF;
Regards,
Amol.

Slow SDO_RELATE when using group by.. please help!!

Hi All,
I'm fairly new to the spatial side of Oracle so please go easy on me.
I have 2 tables (a and b), each containing line geometries. There is a one(a) to many(b) relationship between the two.
I want to write a query which selects information from table b where the geometries in table b are completely covered by the geometries in table a, but the returned info is grouped by the rows in table a.
Here's my code:
select
a.route_id,
a.step,
max(b.gritter_status),
sum(b.salt_usage)
from
tbl_routedirs a, tbl_routelinks b
where
a.route_id = b.route_id and
sdo_covers(a.geoloc, b.geoloc) = 'TRUE'
group by
a.route_id, a.step
The query is extremely slow, taking up to 15 minutes to execute...The thing which is confusing me is without the group by clause the statement executes in under half a second.
I have checked all indexes etc - all are valid. I've tried re-ordering the tables in the from clause as ive read this can be a factor, and granted i have little knowledge as to what to swap where but this appeared to have no impact on the speed.
Any suggestions would be warmly welcomed... Thankyou.
Edited by: user8760008 on 27-Aug-2009 07:08 - i copied the script and didnt add the aggregate functions on the selected columns...

If that's the case, please try:
select /*+ leading(a) use_nl(a b) index(b your_index_on_b.geoloc) */
a.route_id,
a.step,
max(b.gritter_status),
sum(b.salt_usage)
from
tbl_routedirs a, tbl_routelinks b
where
a.route_id = b.route_id and
sdo_coveredby(b.geoloc, a.geoloc) = 'TRUE'
group by
a.route_id, a.step
i.e. to have a nested loops join, and take a small table as outer.
Note you may not need all three hints to get the nested loops join plan.

MDT 2012 \ WinPE 3.0 Slow Install Operating System

I have an issue with a custom wim I have incorporated into my Task sequence. When I use a custom Wim, at the point where the MDT Tasksequence begins to "Install Operating System" it slows down to a crawl. What previously took 5-10 minutes on a
previous wim, is now taking 30-50. When the "Install Operating System" task begins, it starts a at a very decent rate, you can see the percentage or time increasing/changing every few seconds with out issue, but when it gets to 30% completion, it
starts to slow down dramatically. Eventually it will get to 100% Completion, where it will stay for the next 5 minutes, at which point it will apply the unattend.xml which will also take a very very long time to complete.
Once it reboots from applying the Unattend.xml everything runs normal.
My Setup:
I am using MDT 2012 - with WinPE3.0
To create my Custom Wim I did the following:
I created a brand new standard tasksequence, to deploy an OS to a machine, install updates then sysprep and capture to a wim. I set a custom variable in the tasksequence which set DoCapture=Yes. This allowed me to Capture the Operating system after the windows
updates were done without having to do any additional steps. I then imported the Image into the operating systems section of my MDT Deployment share, and incorporated it into my previous Tasksequence.
I have also noticed that the size of the wim file I created is about 1.5 gigs larger than my previous wim.
Steps I've Taken for remediation:
I've tried rebuilding my boot.wim several times.
Increased the scratch size from 32 -> 64 -> 256 -> 512MB
Removed unnecessary drivers from the boot.wim
Any ideas you guys might have with regard to getting my Install Operating System phase to speed up to normal speeds with be greatly appreciated. Is there an extra step with the install.wim that I importing into MDT that I should be doing?

I completed a robocopy in the full blown OS to download the 4.9g wim, it takes 1 minute and 36 seconds. It does have gigabit connection active in the full blown os.
When I am running WinPE, Task Manager is showing my local area connection is running at 1Gbps.
Another discrepancy I'm noticing is that @ 12:16:04 [Line1801] the task sequence finishes apply the wim. It takes 10 minutes for it to start the next task found on Line 1807. Any Ideas on why it taking so long to apply the bootsect.exe
command?
I did disable the "Apply Patches" task, and it did remove 20 minutes by not applying those patches. Thank you for that suggestion.
MCSA Server 2008R2 \ 2012 MCSE Server Infrastructure CCNA

Differences in operation of Adobe Content Viewer in IPad and IPhone

Seem to have different operation of Content Viewer on IPhone and IPad. On Iphone if I download a folio from the Library I can access Library again and select another folio by tapping top left hand corner. On IPad no such functionality have to delete and reinstall Contect Viewer and download a new folio. Is that how it should work?

heh. That's certainly not how it should work. So you said that you completely deleted the Content Viewer from the iPad? Then reinstalled?

Slow SDO_RELATE operation on a spatial view

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