psqlextra/indexes/conditional_unique_index.py
def create_sql(self, model, schema_editor, using=''):
        """Creates the actual SQL used when applying the migration."""
        if django.VERSION >= (2, 0):
            statement = super().create_sql(model, schema_editor, using)
            statement.template = self.sql_create_index
            statement.parts['condition'] = self.condition
            return statement
        else:
            sql_create_index = self.sql_create_index
            sql_parameters = {
                **Index.get_sql_create_template_values(self, model, schema_editor, using),
                'condition': self.condition
            }
            return sql_create_index % sql_parameters
def create_sql(self, model, schema_editor, using=''):
        """Creates the actual SQL used when applying the migration."""
        if django.VERSION >= (2, 0):
            statement = super().create_sql(model, schema_editor, using)
            statement.template = self.sql_create_index
            statement.parts['condition'] = self.condition
            return statement
        else:
            sql_create_index = self.sql_create_index
            sql_parameters = {
                **Index.get_sql_create_template_values(self, model, schema_editor, using),
                'condition': self.condition
            }
            return sql_create_index % sql_parameters
Creates the actual SQL used when applying the migration.