sdo_inside - results vary according to the number of input lines
Hello... Using the Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production on Linux 64-bit...
When I use SDO_INSIDE to find the 8 million points inside 30 000 polygons of postal code, I get the expected results, with the exception of 10 items that are duplicated in the results of each point being assigned to two different zip codes.
When I change the where clause to use only 10 points in question, then SDO_INSIDE will return the correct results.
Tables of point and polygon validates without errors. Does anyone have an explanation for this behavior?
Thanks for your help,
David
SQL> explain plan for
2 create table custom.out_table nologging
3 as
4 select
5 a.blc_gcode blc_gcode, b.postcode postcode, '1' maskflag
6 from
7 custom.bnd_zip_2012_03 b,
8 xref2012.aux_01_blc a
9 where
10 sdo_inside(a.geom, b.geom) = 'TRUE';
Explained.
SQL>
SQL> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------
Plan hash value: 2405185576
-----------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
-----------------------------------------------------------------------------------------------------
| 0 | CREATE TABLE STATEMENT | | 2424M| 212G| 3853K (1)| 19:15:56 |
| 1 | LOAD AS SELECT | OUT_TABLE | | | | |
| 2 | NESTED LOOPS | | 2424M| 212G|213 (1)| 00:00:04 |
| 3 | TABLE ACCESS FULL | BND_ZIP_2012_03 | 30241 | 502K|213 (1)| 00:00:04 |
| 4 | TABLE ACCESS BY INDEX ROWID| AUX_01_BLC | 80177 | 6028K|213 (1)| 00:00:04 |
|* 5 | DOMAIN INDEX | AUX_01_BLC_GEOM_IDX | | | 0 (0)| 00:00:01 |
-----------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
5 - access("MDSYS"."SDO_INSIDE"("A"."GEOM","B"."GEOM")='TRUE')
17 rows selected.
SQL>
find duplicates:SQL> select a.blc_gcode, a.postcode, a.maskflag
2 from
3 out_table a,
4 (select
5 blc_gcode, count (blc_gcode) cnt
6 from out_table
7 group by blc_gcode) b
8 where a.blc_gcode = b.blc_gcode and b.cnt > 1
9 order by a.blc_gcode;
BLC_GCODE POSTCODE MASKFLAG
--------------- ---------------------------------------- ---------------
131150017011025 30125 1
131150017011025 30104 1
131150017011029 30125 1
131150017011029 30104 1
131150017011030 30104 1
131150017011030 30125 1
131150017011031 30104 1
131150017011031 30125 1
132339901003004 30125 1
132339901003004 30173 1
132339901003006 30125 1
132339901003006 30104 1
132339901003007 30125 1
132339901003007 30104 1
132339901003017 30104 1
132339901003017 30125 1
132339901003019 30104 1
132339901003019 30125 1
482299501002426 79837 1
482299501002426 79839 1
20 rows selected.
SQL>
Re-test the duplicates only:SQL> select
2 a.blc_gcode, b.postcode, '1' maskflag
3 from
4 custom.bnd_zip_2012_03 b,
5 xref2012.aux_01_blc a
6 where
7 a.blc_gcode IN
8 ('131150017011025','131150017011029',
9 '131150017011030','131150017011031',
10 '132339901003004','132339901003006',
11 '132339901003007','132339901003017',
12 '132339901003019','482299501002426')
13 AND
14 sdo_inside(a.geom, b.geom) = 'TRUE';
BLC_GCODE POSTCODE MASKFLAG
--------------- ---------------------------------------- --------------
131150017011025 30104 1
131150017011029 30104 1
131150017011030 30104 1
131150017011031 30104 1
132339901003004 30173 1
132339901003006 30104 1
132339901003007 30104 1
132339901003017 30104 1
132339901003019 30104 1
482299501002426 79839 1
10 rows selected.
SQL>
Hi David,
I tested the ZIP code = (30104, 30125) with 10 points.
I ran the same query (as below) both 11.2.0.2 and 11.2.0.3:
SQL> select a.blc_gcode blc_gcode, b.postcode postcode from bnd_zip_2012_03 b, aux_01_blc a where sdo_inside(a.geom, b.geom) = 'TRUE';
11.2.0.2, I learned
BLC_GCODE POSTCODE
-------------------------- --------------------------
131150017011031 30104
131150017011029 30104
131150017011025 30104
131150017011030 30104
132339901003019 30104
132339901003006 30104
132339901003007 30104
132339901003017 30104
131150017011031 30125
131150017011029 30125
131150017011025 30125
131150017011030 30125
132339901003004 30125
132339901003019 30125
132339901003006 30125
132339901003007 30125
132339901003017 30125
17 rows selected.
On 11.2.0.3, I got
BLC_GCODE POSTCODE
-------------------------- --------------------------
131150017011031 30104
131150017011029 30104
131150017011025 30104
131150017011030 30104
132339901003019 30104
132339901003006 30104
132339901003007 30104
132339901003017 30104
8 rows selected.
This is so the bug 12724515. Please either get 11.2.0.3 or
ask the oracle support to obtain the fix for bug 12724515.
Why your 10-point query shows the correct results?
select
2 a.blc_gcode, b.postcode, '1' maskflag
3 from
4 custom.bnd_zip_2012_03 b,
5 xref2012.aux_01_blc a
6 where
7 a.blc_gcode IN
8 ('131150017011025','131150017011029',
9 '131150017011030','131150017011031',
10 '132339901003004','132339901003006',
11 '132339901003007','132339901003017',
12 '132339901003019','482299501002426')
13 AND
14 sdo_inside(a.geom, b.geom) = 'TRUE';
This is because the two motions are different. For example, the
top query most likely chooses an index on blc_gcode and sdo_inside
is run by function (i.e. a line a line). In your query
with erroneous results, sdo_inside is run by a spatial index, i.e.
you see the following execution plan:
| 0 | SELECT STATEMENT | |
| 1 | NESTED LOOPS | |
| 2 | TABLE ACCESS FULL | BND_ZIP_2012_03 |
| 3 | TABLE ACCESS BY INDEX ROWID| AUX_01_BLC |
|* 4 | DOMAIN INDEX | SPATIAL_IDX |
Thank you
Ying
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Then go to the detail grid and change the settings.
In this way, you can change the type of mine once, for all models.
You can also include/exclude columns or turn off the automatic preparation of the data in the same way.
I will not disable the automatic data preparation, as this could occur in the model build failure if you haven't posted for the preparation of the data required on your own.Of course, if you can ignore steps 1 and 2 If you don't want Data Miner to a first cut in these settings.
For the moment, I made a request to improve the online help for the settings for using data to better explain this behavior.Thank you, Mark
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How to change the number of items in number to Boolean, function VI table
Hi, I'm working on using the digital output of data acquisition to control the digital input of a DAC, and I used the Number function in Boolean table. VI to convert the number to a Boolean array. The maximum number is 4096, so it must be composed of 12 elements.
For the description of the VI, it is said that Boolean matrix returns a table of 8, 16, 32 or 64 elements, according to the number of bytes in the whole. Therefore, I change the number of channels in the task to 16, but it still does not work. The suggesitions are greatly appreciated.
Thank you!
Possible reasons:
Scripture cannot be performed because the number of data channels does not match number of channels in the task.
When writing, provide data for all channels in the task. You can also change the task so that it contains the same number of channels as the written data.
Number of job channels: 12
Number of data channels : 32Task name: _unnamedTask<1B>
Once you have the array of Boolean, you can resize using table tools. For example you can use the "new range" with a length of 12 to pad the table of 12 elements of Boolean values (you can also use a subset of table).
1B> -
Generate several plots according to the size of table
Hi all
I'm relatively new to LabView and I read several threads that are similar to my problem, but I don't know how to implement it yet. Basically I have a large table that stores the raw data read from multiple text files. This large painting size would vary based on the number of text files generated by a data acquisition system. I would like to draw each line of the table a new field. Instead of manually wiring, is there an easier way around?
Thank you
Lynniz
Lynniz,
If you need a separate chart for each parcel then can determine you at least in advance what the maximum number of locations could be and show/hide your graphics programmatically based on data. All the graphs could be in a Subvi that appears separate from your main application window, or you could use a secondary.
I'm just brainstorming here. There could be a more elegant way to do it, but the graphic masking that already exist is the only thing I can think of right now.
Eric
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Hi, I want to display the number of success / testing failed in the Testtand of xml report, please help me.
Later, my requirement is that I should be able to view the number of test / has not passed in the header of the report too.
I have attached a sequence to give you an idea of how to get the number of results (I don't check it works ), I used 'SequenceFilePostResultListEntry' callback to calculate the number of results.
and the number of results is passed to the 'ModifyReportHeader' through Globals files, where you can edit the XML file to display in the Repot (follow the link in my previous post).
Hope this helps
AshwiN,
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