(self)
| 87 | |
| 88 | @property |
| 89 | def default_querystrings(self) -> Sequence[QueryString]: |
| 90 | columns_str = ", ".join( |
| 91 | f'"{col._meta.db_column_name}" = {{}}' |
| 92 | for col, _ in self.values_delegate._values.items() |
| 93 | ) |
| 94 | |
| 95 | query = f"UPDATE {self.table._meta.get_formatted_tablename()} SET {columns_str}" # noqa: E501 |
| 96 | |
| 97 | querystring = QueryString( |
| 98 | query, *self.values_delegate.get_sql_values() |
| 99 | ) |
| 100 | |
| 101 | if self.where_delegate._where: |
| 102 | # The JOIN syntax isn't allowed in SQL UPDATE queries, so we need |
| 103 | # to write the WHERE clause differently, using a sub select. |
| 104 | |
| 105 | querystring = QueryString( |
| 106 | "{} WHERE {}", |
| 107 | querystring, |
| 108 | self.where_delegate._where.querystring_for_update_and_delete, |
| 109 | ) |
| 110 | |
| 111 | if self.returning_delegate._returning: |
| 112 | querystring = QueryString( |
| 113 | "{}{}", |
| 114 | querystring, |
| 115 | self.returning_delegate._returning.querystring, |
| 116 | ) |
| 117 | |
| 118 | return [querystring] |
nothing calls this directly
no test coverage detected