Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:  David Eklund
 Type:  Bug  |   Status:  closed
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:  fixed
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+

Comment (by Tim Graham ):

 In [changeset:"9e12e02afdadcea438f6f706e4fbae5dc659ac3a" 9e12e02a]:
 {{{
 #!CommitTicketReference repository=""
 revision="9e12e02afdadcea438f6f706e4fbae5dc659ac3a"
 [2.0.x] Refs #17448 -- Fixed GeoModelTest.test_raw_sql_query.

 The test was a false positive.

 Backport of 69922d303dbe8e83952f769caff205abbe100bba from master
 }}}

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:  David Eklund
 Type:  Bug  |   Status:  closed
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:  fixed
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+

Comment (by Tim Graham ):

 In [changeset:"69922d303dbe8e83952f769caff205abbe100bba" 69922d3]:
 {{{
 #!CommitTicketReference repository=""
 revision="69922d303dbe8e83952f769caff205abbe100bba"
 Refs #17448 -- Fixed GeoModelTest.test_raw_sql_query.

 The test was a false positive.
 }}}

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  closed
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:  fixed
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---

Comment (by DavidEklund):

 Replying to [comment:14 Claude Paroz ]:
 > In [62e1c5a441d957e44d7527a6d901587b40203a51]:
 > {{{
 > #!CommitTicketReference repository=""
 revision="62e1c5a441d957e44d7527a6d901587b40203a51"
 > Fixed #17448 -- Improved test and documented raw-sql gis query
 > }}}

 Ok, thanks for finishing this!

 I'm a bit surprised that the test failed for MySQL as it went right
 through when I ran it using MySQL (5.5.24) on Ubuntu.

 Anyway, with the documentation that you added this should be ok now.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  closed
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:  fixed
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---
Changes (by Claude Paroz ):

 * status:  reopened => closed
 * resolution:   => fixed


Comment:

 In [62e1c5a441d957e44d7527a6d901587b40203a51]:
 {{{
 #!CommitTicketReference repository=""
 revision="62e1c5a441d957e44d7527a6d901587b40203a51"
 Fixed #17448 -- Improved test and documented raw-sql gis query
 }}}

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  reopened
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---
Changes (by claudep):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 This is failing with MySQL, see http://ci.django-cms.org/job/Django/1571/

 As far as I understand, the default return value from a geometry field in
 `PostGis` is returned as a HEXEWKB string which is recognized by the
 GEOSGeometry constructor. However, with MySQL, the default return value is
 an internal representation not understood by GEOSGeometry. Hence the
 required asText() or asBinary() function around the geometry field in the
 SQL query string. This should be documented.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  closed
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:  fixed
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---
Changes (by claudep):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 I committed a test anyway. Let's create a new ticket if this is not
 working in any other backend. Thanks again.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  assigned
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---

Comment (by Claude Paroz ):

 In [d7a2e816a15a121c50b85c4470c91a676cbc827b]:
 {{{
 #!CommitTicketReference repository=""
 revision="d7a2e816a15a121c50b85c4470c91a676cbc827b"
 Added a GeoDjango test with a raw query (Refs #17448)

 Thanks David Eklund for the initial patch.
 }}}

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  assigned
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---

Comment (by DavidEklund):

 This seems to work fine with MySQL. It remains to test Oracle and
 SpatiaLite.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  assigned
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---

Comment (by DavidEklund):

 Note though that I have only run the test using the postgis spatial
 database backend. This is beacuse I have some general problems with
 running GeoDjango's test suite with the other backends. I would like to
 confirm that it works using mysql, oracle and spatialite as well and I'll
 be back when this is done.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  assigned
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---

Comment (by DavidEklund):

 I have added a test for raw SQL queries to the GeoDjango test suite.

 The branch on my github is called ticket_17448 and is found here:

 https://github.com/davideklund/django/tree/ticket_17448

 I also created a pull request on github.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+---
 Reporter:  oluckyman|Owner:  DavidEklund
 Type:  Bug  |   Status:  assigned
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+---
Changes (by DavidEklund):

 * owner:   => DavidEklund
 * status:  new => assigned


Comment:

 Replying to [comment:6 claudep]:
 > Even if the problem cannot be reproduced, I suggest to add a test with a
 raw query in django/contrib/gis/tests/geoapp before closing this ticket.

 Ok, that sounds like a good idea. I will do that.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:
 Type:  Bug  |   Status:  new
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+
Changes (by claudep):

 * owner:  nobody =>
 * status:  reopened => new


Comment:

 Even if the problem cannot be reproduced, I suggest to add a test with a
 raw query in django/contrib/gis/tests/geoapp before closing this ticket.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:  nobody
 Type:  Bug  |   Status:  reopened
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+
Changes (by DavidEklund):

 * cc: daek@… (added)


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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:  nobody
 Type:  Bug  |   Status:  reopened
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+

Comment (by DavidEklund):

 This works for me, I can't reproduce this bug.

 Which database was used when coming across the bug?

 I'm using:

 OS: Ubuntu 12.04.

 Database backend: Postgis.

 My setup is an app named placeapp with the following model in it:

 {{{
 from django.contrib.gis.db import models

 class Place(models.Model):
 location = models.PointField(srid=4326)
 objects = models.GeoManager()
 }}}

 Then I get the following in a shell:

 {{{
 >>> from placeapp.models import Place
 >>> from django.contrib.gis.geos import Point
 >>> q = Point(1,2)
 >>> p = Place()
 >>> p.location = q
 >>> p.save()
 >>> Place.objects.raw('select * from placeapp_place')[0].location
 
 }}}

 And also:

 {{{
 >>> Place.objects.raw(u'select * from placeapp_place')[0].location
 
 }}}

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:  nobody
 Type:  Bug  |   Status:  reopened
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+
Changes (by julien):

 * status:  closed => reopened
 * resolution:  worksforme =>


Comment:

 Thanks oluckyman for mentioning your workaround. However, please do not
 close a ticket if it hasn't been fixed. "Worksforme" is for when the bug
 cannot be replicated; see:
 https://docs.djangoproject.com/en/dev/internals/contributing/triaging-
 tickets/#closing-tickets

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+--
 Reporter:  oluckyman|Owner:  nobody
 Type:  Bug  |   Status:  closed
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:  worksforme
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+--
Changes (by oluckyman ):

 * status:  new => closed
 * resolution:   => worksforme


Comment:

 There is a workaround:
 {{{#!python
 # to expect error wrap any geometry field in raw sql by `asText()`
 function
 In [12]: Place.objects.raw('select id, asText(location) from
 places_place')[0].location
 Out[12]: 
 }}}

 I have mark this ticket as 'worksforme', but the bug with `select *` from
 geometry fields is still not fixed.

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Re: [Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
-+
 Reporter:  oluckyman|Owner:  nobody
 Type:  Bug  |   Status:  new
Component:  GIS  |  Version:  1.3
 Severity:  Normal   |   Resolution:
 Keywords:  raw sql gis  | Triage Stage:  Accepted
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+
Changes (by aaugustin):

 * needs_better_patch:   => 0
 * needs_docs:   => 0
 * needs_tests:   => 0
 * stage:  Unreviewed => Accepted


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[Django] #17448: Error reading PointField in objects.raw(sql) query

[Django]

#17448: Error reading PointField in objects.raw(sql) query
+-
 Reporter:  oluckyman   |  Owner:  nobody
 Type:  Bug | Status:  new
Component:  GIS |Version:  1.3
 Severity:  Normal  |   Keywords:  raw sql gis
 Triage Stage:  Unreviewed  |  Has patch:  0
Easy pickings:  0   |  UI/UX:  0
+-
 There is a model:
 {{{#!python
 class Place(models.Model):
 ...
 location = models.PointField(srid=4326)
 objects = models.GeoManager()
 ...
 }}}
 Expecting result of {{{Place.objects.raw('select * from
 places_place')[0].location}}} is the same as
 {{{Place.objects.all()[0].location}}}

 Test it in the shell:
 {{{#!python
 In [1]: Place.objects.all()[0].location
 Out[1]: 

 In [2]: Place.objects.raw('select * from places_place')[0].location
 ERROR: An unexpected error occurred while tokenizing input
 The following traceback may be corrupted or invalid
 The error message is: ('EOF in multi-line statement', (140, 0))

 ---
 ValueErrorTraceback (most recent call
 last)
 /usr/local/lib/python2.7/site-
 packages/django_extensions/management/commands/shell_plus.pyc in
 ()
 > 1 Place.objects.raw(u'select * from places_place')[0].location

 /usr/local/lib/python2.7/site-
 packages/django/contrib/gis/db/models/proxy.pyc in __get__(self, obj,
 type)
  36 # Otherwise, a Geometry object is built using the
 field's contents,

  37 # and the model's corresponding attribute is set.

 ---> 38 geom = self._klass(geom_value)
  39 setattr(obj, self._field.attname, geom)
  40 return geom

 /usr/local/lib/python2.7/site-
 packages/django/contrib/gis/geos/geometry.pyc in __init__(self, geo_input,
 srid)
  72 g = wkb_r().read(gdal.OGRGeometry(geo_input).wkb)
  73 else:
 ---> 74 raise ValueError('String or unicode input
 unrecognized as WKT EWKT, and HEXEWKB.')
  75 elif isinstance(geo_input, GEOM_PTR):
  76 # When the input is a pointer to a geomtry (GEOM_PTR).


 ValueError: String or unicode input unrecognized as WKT EWKT, and HEXEWKB.
 }}}

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