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