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Diffstat (limited to 'webapp/django/contrib/gis/db/backend/oracle/models.py')
-rw-r--r-- | webapp/django/contrib/gis/db/backend/oracle/models.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/webapp/django/contrib/gis/db/backend/oracle/models.py b/webapp/django/contrib/gis/db/backend/oracle/models.py new file mode 100644 index 0000000000..c740b48efe --- /dev/null +++ b/webapp/django/contrib/gis/db/backend/oracle/models.py @@ -0,0 +1,49 @@ +""" + The GeometryColumns and SpatialRefSys models for the Oracle spatial + backend. + + It should be noted that Oracle Spatial does not have database tables + named according to the OGC standard, so the closest analogs are used. + For example, the `USER_SDO_GEOM_METADATA` is used for the GeometryColumns + model and the `SDO_COORD_REF_SYS` is used for the SpatialRefSys model. +""" +from django.db import models +from django.contrib.gis.models import SpatialRefSysMixin + +class GeometryColumns(models.Model): + "Maps to the Oracle USER_SDO_GEOM_METADATA table." + table_name = models.CharField(max_length=32) + column_name = models.CharField(max_length=1024) + srid = models.IntegerField(primary_key=True) + # TODO: Add support for `diminfo` column (type MDSYS.SDO_DIM_ARRAY). + class Meta: + db_table = 'USER_SDO_GEOM_METADATA' + + @classmethod + def table_name_col(cls): + return 'table_name' + + def __unicode__(self): + return '%s - %s (SRID: %s)' % (self.table_name, self.column_name, self.srid) + +class SpatialRefSys(models.Model, SpatialRefSysMixin): + "Maps to the Oracle MDSYS.CS_SRS table." + cs_name = models.CharField(max_length=68) + srid = models.IntegerField(primary_key=True) + auth_srid = models.IntegerField() + auth_name = models.CharField(max_length=256) + wktext = models.CharField(max_length=2046) + #cs_bounds = models.GeometryField() + + class Meta: + # TODO: Figure out way to have this be MDSYS.CS_SRS without + # having django's quoting mess up the SQL. + db_table = 'CS_SRS' + + @property + def wkt(self): + return self.wktext + + @classmethod + def wkt_col(cls): + return 'wktext' |