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from django.contrib.gis.db.models.sql.compiler import GeoSQLCompiler as BaseGeoSQLCompiler
from django.db.backends.oracle import compiler
SQLCompiler = compiler.SQLCompiler
class GeoSQLCompiler(BaseGeoSQLCompiler, SQLCompiler):
pass
class SQLInsertCompiler(compiler.SQLInsertCompiler, GeoSQLCompiler):
def placeholder(self, field, val):
if field is None:
# A field value of None means the value is raw.
return val
elif hasattr(field, 'get_placeholder'):
# Some fields (e.g. geo fields) need special munging before
# they can be inserted.
ph = field.get_placeholder(val, self.connection)
if ph == 'NULL':
# If the placeholder returned is 'NULL', then we need to
# to remove None from the Query parameters. Specifically,
# cx_Oracle will assume a CHAR type when a placeholder ('%s')
# is used for columns of MDSYS.SDO_GEOMETRY. Thus, we use
# 'NULL' for the value, and remove None from the query params.
# See also #10888.
param_idx = self.query.columns.index(field.column)
params = list(self.query.params)
params.pop(param_idx)
self.query.params = tuple(params)
return ph
else:
# Return the common case for the placeholder
return '%s'
class SQLDeleteCompiler(compiler.SQLDeleteCompiler, GeoSQLCompiler):
pass
class SQLUpdateCompiler(compiler.SQLUpdateCompiler, GeoSQLCompiler):
pass
class SQLAggregateCompiler(compiler.SQLAggregateCompiler, GeoSQLCompiler):
pass
class SQLDateCompiler(compiler.SQLDateCompiler, GeoSQLCompiler):
pass
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