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Added description, example, and SQL equivalents for equals and same_as GIS lookups.

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Sergey Fedoseev 2018-06-22 14:13:49 +05:00 committed by Tim Graham
parent 7cdeb23ae7
commit 9af83a62e7
1 changed files with 32 additions and 0 deletions
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32
docs/ref/contrib/gis/geoquerysets.txt
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@ -279,6 +279,21 @@ SpatiaLite ``Disjoint(poly, geom)``
*Availability*: `PostGIS <https://postgis.net/docs/ST_Equals.html>`__, *Availability*: `PostGIS <https://postgis.net/docs/ST_Equals.html>`__,
Oracle, MySQL, SpatiaLite, PGRaster (Conversion) Oracle, MySQL, SpatiaLite, PGRaster (Conversion)
Tests if the geometry field is spatially equal to the lookup geometry.
Example::
Zipcode.objects.filter(poly__equals=geom)
========== =================================================
Backend SQL Equivalent
========== =================================================
PostGIS ``ST_Equals(poly, geom)``
Oracle ``SDO_EQUAL(poly, geom)``
MySQL ``MBREquals(poly, geom)``
SpatiaLite ``Equals(poly, geom)``
========== =================================================
.. fieldlookup:: exact .. fieldlookup:: exact
.. fieldlookup:: same_as .. fieldlookup:: same_as
@ -288,6 +303,23 @@ Oracle, MySQL, SpatiaLite, PGRaster (Conversion)
*Availability*: `PostGIS <https://postgis.net/docs/ST_Geometry_Same.html>`__, *Availability*: `PostGIS <https://postgis.net/docs/ST_Geometry_Same.html>`__,
Oracle, MySQL, SpatiaLite, PGRaster (Bilateral) Oracle, MySQL, SpatiaLite, PGRaster (Bilateral)
Tests if the geometry field is "equal" to the lookup geometry. On Oracle and
SpatiaLite it tests spatial equality, while on MySQL and PostGIS it tests
equality of bounding boxes.
Example::
Zipcode.objects.filter(poly=geom)
========== =================================================
Backend SQL Equivalent
========== =================================================
PostGIS ``poly ~= geom``
Oracle ``SDO_EQUAL(poly, geom)``
MySQL ``MBREquals(poly, geom)``
SpatiaLite ``Equals(poly, geom)``
========== =================================================
.. fieldlookup:: intersects .. fieldlookup:: intersects
``intersects`` ``intersects``