/django/contrib/gis/db/backends/mysql/creation.py

 1from django.db.backends.mysql.creation import DatabaseCreation
 2
 3class MySQLCreation(DatabaseCreation):
 4
 5    def sql_indexes_for_field(self, model, f, style):
 6        from django.contrib.gis.db.models.fields import GeometryField
 7        output = super(MySQLCreation, self).sql_indexes_for_field(model, f, style)
 8
 9        if isinstance(f, GeometryField) and f.spatial_index:
10            qn = self.connection.ops.quote_name
11            db_table = model._meta.db_table
12            idx_name = '%s_%s_id' % (db_table, f.column)
13            output.append(style.SQL_KEYWORD('CREATE SPATIAL INDEX ') +
14                          style.SQL_TABLE(qn(idx_name)) +
15                          style.SQL_KEYWORD(' ON ') +
16                          style.SQL_TABLE(qn(db_table)) + '(' +
17                          style.SQL_FIELD(qn(f.column)) + ');')
18        return output