SDO_DISTANCE returning incorrect results
I have a query that uses sdo_distance to find N nearest neighbors (line strings) to a lat/lon (point). The problem is that sdo_distance is giving me geometries which it says are 0 units (in this case meters) from that lat/lon when in fact they are much farther away.
here is an example:
SELECT
vw.reach_geom,
round(SDO_GEOM.SDO_DISTANCE(vw.REACH_GEOM, sdo_geometry(2001, 8307,
sdo_point_type(-88.23579545454545, 44.87982954545455, NULL),
NULL, NULL), 0.00005, 'unit=M'),4) Dist_In_Meters
FROM all_geom_vw
ORDER BY Dist_In_Meters;
i get two geometries. the first is incorrect:
GEOM
SDO_GEOMETRY(2002, 8307, NULL, SDO_ELEM_INFO_ARRAY(1, 2, 1), SDO_ORDINATE_ARRAY(-86.687042, 45.836369, -86.687042, 45.836369, -86.689133, 45.836567))
Dist_In_Meters
0
The second one is the correct one:
GEOM
SDO_GEOMETRY(2002, 8307, NULL, SDO_ELEM_INFO_ARRAY(1, 2, 1), SDO_ORDINATE_ARRAY(-88.380611, 44.996681, -88.380718, 44.995281, -88.380917, 44.993782,.....several other ordinates)
Dist_In_Meters
15.3559
you can tell that the second one is much closer to the point since that lat/lon coords are pretty much the same.
Any ideas what's happening here?
thanks,
John
The first two points of the bad result geometry are the same point. "-86.687042, 45.836369, -86.687042, 45.836369," I'm pretty sure this will hose many spatial operations and may not throw an exception. Edit the geometry or do a "migrate to current" and it should work.
-Ted
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import java.io.IOException;
import java.util.Date;
import com.tangosol.io.AbstractEvolvable;
import com.tangosol.io.pof.EvolvablePortableObject;
import com.tangosol.io.pof.PofReader;
import com.tangosol.io.pof.PofWriter;
* The Class AbstractCacheDTO.
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* @author apanwa
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/** The Constant MODIFICATION_TIME. */
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/** The modification time. */
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* Gets the creation time.
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import com.tangosol.io.pof.PofWriter;
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import java.io.IOException;
import org.apache.commons.lang.StringUtils;
import com.tangosol.io.AbstractEvolvable;
import com.tangosol.io.pof.EvolvablePortableObject;
import com.tangosol.io.pof.PofReader;
import com.tangosol.io.pof.PofWriter;
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* @see java.lang.Object#hashCode()
@Override
public int hashCode() {
return recordId.hashCode();
* @return the recordId
public String getRecordId() {
return recordId;
* @param recordId
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public void setRecordId(final String recordId) {
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import java.io.IOException;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.Set;
import org.apache.log4j.Logger;
import com.ladbrokes.dtos.cache.TestDTO;
import com.ladbrokes.dtos.cache.TestIdentifier;
import com.cache.services.CacheService;
import com.tangosol.net.CacheFactory;
import com.tangosol.net.NamedCache;
import com.tangosol.util.Filter;
import com.tangosol.util.ValueExtractor;
import com.tangosol.util.extractor.ReflectionExtractor;
import com.tangosol.util.filter.LessFilter;
* @author nkhatw
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private static final String TEST_CACHE = "testcache";
private static final NamedCache CACHE = CacheFactory.getCache(TEST_CACHE);
private static final Logger LOGGER = Logger.getLogger(TestService.class);
* Push DTO objects with a) modTime of java.util.Date type b) timeInMillis of Long type
* @throws IOException
public void init() throws IOException {
for (int i = 0; i < 30; i++) {
final TestDTO dto = new TestDTO();
final Date modTime = new Date();
dto.setModificationTime(modTime);
final Long timeInMillis = Long.valueOf(System.currentTimeMillis());
dto.setTimeinMillis(timeInMillis);
final TestIdentifier testId = new TestIdentifier();
testId.setRecordId(String.valueOf(i));
dto.setId(testId);
final CacheService testService = new TestService();
testService.createOrUpdate(dto, null);
LOGGER.debug("Pushed record in cache with key: " + i + " modTime: " + modTime + " Time in millis: "
+ timeInMillis);
* 1) Fetch Data from cache based on LessFilter with args:
* a) ValueExtractor: extracting time property
* b) java.util.Date value to be compared with
* 2) Verify extracted entryset
* @throws IOException
public void testbyDate(final Date startDate) throws IOException {
final ValueExtractor extractor = new ReflectionExtractor("getModificationTime");
LOGGER.debug("Fetching records from cache with modTime less than: " + startDate);
final Filter lessFilter = new LessFilter(extractor, startDate);
final Set results = CACHE.entrySet(lessFilter);
LOGGER.debug("Fetched Records:" + results.size());
assert results.isEmpty();
* 1) Fetch Data from cache based on LessFilter with args:
* a) ValueExtractor: extracting "time in millis property"
* b) java.Long value to be compared with
* 2) Verify extracted entryset
public void testbyTime(final Long time) throws IOException {
final ValueExtractor extractor = new ReflectionExtractor("getTimeinMillis");
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final Filter lessFilter = new LessFilter(extractor, time);
final Set results = CACHE.entrySet(lessFilter);
LOGGER.debug("Fetched Records:" + results.size());
assert results.isEmpty();
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CACHE.put(testDTO.getId(), testDTO);
@Override
public void createOrUpdate(final Collection<TestDTO> arg0, final Object arg1) throws IOException {
// YTODO Auto-generated method stub
@Override
public <G>G read(final TestIdentifier arg0) throws IOException {
// YTODO Auto-generated method stub
return null;
@Override
public Collection<?> read(final Map<TestIdentifier, Object> arg0) throws IOException {
// YTODO Auto-generated method stub
return null;
@Override
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// YTODO Auto-generated method stub
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"testbyTime" method returns correct results.
However, "testbyDate" method gives random and incorrect results. -
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but,
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Fanny Liu
TechNet Community Support -
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@id = [ID],
@includecount = @includecount + (CASE WHEN @id > 0 THEN 1 ELSE 0 END),
@excludecount = @excludecount + (CASE WHEN @id < 0 THEN 1 ELSE 0 END),
[Include] = CASE WHEN @id > 0 THEN 1 ELSE 0 END,
[ID] = ABS(@id)
SELECT @includecount as IncludeCount, @excludecount as ExcludeCount
SELECT * FROM @filtersWhat part is undocumented?
http://technet.microsoft.com/en-us/library/ms177523.aspx
The above link states I can update variables inside an UPDATE statement ...
But it does not say what the correct result of what you are trying to would be. Variable assignment in UPDATE only makes sense if the UPDATE hits one row. If the UPDATE matches several rows, which value you the variable is set to is not defined.
It gets even more complicated when you have the variable on both sides of the expression. But I'd say that the only two values that makes as the final value of @includecount 0. An UPDATE statement, like other DML statements in SQL, is logically defined
as all-at-once. There are no intermediate results. Therefore the only possible values are the initial value of @includecount plus the value of the CASE statement, which always should returns 0, since @id is NULL when the UPDATE statement starts to execute.
I'm afraid that what you have is nonsense from a language perspective, and the result is undefined. Whenever you get different results from a query depending on whether you have certain indexes in place, you know that the query is indeterministic. There
are certainly part of SQL that are indeterministic, for instance ORDER BY on a non-unique columns. But in this particular case you have also wandered out into the land that is also undefined.
I'm not sure what you are trying to achieve, but I can only advice you to go back to the drawing board.
Erland Sommarskog, SQL Server MVP, [email protected] -
Does compare aggregates mode produce incorrect results?
Has anyone encountered a problem with using compare aggregates mode with arrays.
For example, if compare aggregates mode is selected in using the "In Range and Coerce.vi" with the inputs (upperLimit, lowerLimit, and x value) being an array of integers, then compare aggregates doesnot return correct results. I've also noticed this with the greater than and less than comparison vi's.
I've attached a sample which further illustrates the incorrect results.
Attachments:
compareAggregatesTest.vi 9 KB
compareAggregatesTest1.vi 9 KBI talked to some people at NI and here's how I understand it:
Compare aggregates simply does not do what we think it does. It is NOT the same as comparing all elements and then ANDing the results. Instead, it compares the elements in the cluster in order. This is actually identical to ANDing the results when you do an equality comparison, but it's different if you do a less-than or greater-than comparison.
The LabVIEW help provides the example of a phone book, where "Smith, John" is greater than "Smith, Jane" and where "Smith, Jane" is also greater than "Doe, John" because Doe comes before Smith.
This helps to explain the results of my example:
In the first array element, the comparison fails because 10 is the first element in the cluster and it is less than 40.
In the second array element, 40 and 40 are equal, so the decision is moved to the next element (like having two "Smith"s, and since 40 is greater than 30, the comparison returns true.
So again, the order is important!
Try to take over the world!
Attachments:
Compare Aggregates.png 16 KB -
Rownum giving Incorrect Result in 11gR2 but working ok in 10gR2
Hi All,
We have following query which is working fine in 10g but in 11g it is showing incorrect result.
select x.*,rownum from (select rat.rating_agency_id from bus_ca_cpty_rating rat,MST_CP_RATING mst
where rat.org_id=618
and
rat.rating_agency_id=mst.rating_agency_id
and
rat.rating_value=mst.rating_value
and
rat.heritage_system=mst.heritage_system
order by rat.rating_date,rat.rating_time)x
where rownum=1;
Result Without last Check <where rownum=1> in the query (in both 10g and 11g)
RATING_AGENCY_ID ROWNUM
3 1
1 2
Result of the query in 11gR2 (11.2.0.3)
RATING_AGENCY_ID ROWNUM
1 1
Result of the query in 10gR2 (10.2.0.3)
RATING_AGENCY_ID ROWNUM
3 1
Request your help to resolve the issue(please tell me the bug name if it is a bug) and please let me know how it is processing the query in 11g.
Edited by: 906061 on Jun 19, 2012 2:22 AMT.PD wrote:
906061 wrote:
Result Without last Check <where rownum=1> in the query (in both 10g and 11g)
RATING_AGENCY_ID ROWNUM
3 1
1 2
Result of the query in 11gR2 (11.2.0.3)
RATING_AGENCY_ID ROWNUM
1 1
Result of the query in 10gR2 (10.2.0.3)
RATING_AGENCY_ID ROWNUM
3 1Your desired result depends on the wrong idea if implicid ordering of the results. there is no such!
Database does not sort returned rows any how (unless you use order by in your query). The order of returned rows may be consistent over a long period but if the table contents is reorganized or (as I assume) you import data to anotehr database the order may change.
To make the long storry short: you need another filter condition than <tt>rownum = 1</tt>.
bye
TPDLook closely: it looks like a standard top-n query with the order by in the sub-query. -
Incorrect result between maintain master data and bex query, how can i fix?
Hi ALL,
i get some messages from the users there is incorrect result between SAP R/3 and Report on BW. i controlled the monitor and i saw there was a job for 0CUSTOMER_ATTRIBUTE that it finish correctly but the processing it was only in PSA, i started the full update immediately from PSA into Data Targets and is finished correctly. after when i control the content of the 0CUSTOMER (right click maintain master data) i get the correct attribute result that match the data in SAP R/3, but the problem is when i execute a query Bex on this master data it will not return the same attributes data.
Can SomeBody Help please
Bilalhi,
For any master data attributes loaded you will have to run "Attributes Change Run" for that.Execute for Master data 0CUSTOMER.
The same is avilable in rsa1->Tools(top menu)->apply hierarchy/attribute run.
hope it helps,
regards,
Parth.
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