How to use add_custom_join method in autotest

Best Python code snippet using autotest_python Github


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...81 def combine(self, rhs, connector):82 super(ExtendedManager.CustomQuery, self).combine(rhs, connector)83 if hasattr(rhs, '_custom_joins'):84 self._custom_joins.extend(rhs._custom_joins)85 def add_custom_join(self, table, condition, join_type,86 condition_values=(), alias=None):87 if alias is None:88 alias = table89 join_dict = dict(table=table,90 condition=condition,91 condition_values=condition_values,92 join_type=join_type,93 alias=alias)94 self._custom_joins.append(join_dict)95 @classmethod96 def convert_query(self, query_set):97 """98 Convert the query set's "query" attribute to a CustomQuery.99 """100 # Make a copy of the query set101 query_set = query_set.all()102 query_set.query = query_set.query.clone(103 klass=ExtendedManager.CustomQuery,104 _custom_joins=[])105 return query_set106 class _WhereClause(object):107 """Object allowing us to inject arbitrary SQL into Django queries.108 By using this instead of extra(where=...), we can still freely combine109 queries with & and |.110 """111 def __init__(self, clause, values=()):112 self._clause = clause113 self._values = values114 def as_sql(self, qn=None, connection=None):115 return self._clause, self._values116 def relabel_aliases(self, change_map):117 return118 def add_join(self, query_set, join_table, join_key, join_condition='',119 join_condition_values=(), join_from_key=None, alias=None,120 suffix='', exclude=False, force_left_join=False):121 """Add a join to query_set.122 Join looks like this:123 (INNER|LEFT) JOIN <join_table> AS <alias>124 ON (<this table>.<join_from_key> = <join_table>.<join_key>125 and <join_condition>)126 :param join_table table to join to127 :param join_key field referencing back to this model to use for the join128 :param join_condition extra condition for the ON clause of the join129 :param join_condition_values values to substitute into join_condition130 :param join_from_key column on this model to join from.131 :param alias alias to use for for join132 :param suffix suffix to add to join_table for the join alias, if no133 alias is provided134 :param exclude if true, exclude rows that match this join (will use a135 LEFT OUTER JOIN and an appropriate WHERE condition)136 :param force_left_join - if true, a LEFT OUTER JOIN will be used137 instead of an INNER JOIN regardless of other options138 """139 join_from_table = query_set.model._meta.db_table140 if join_from_key is None:141 join_from_key = if alias is None:143 alias = join_table + suffix144 full_join_key = _quote_name(alias) + '.' + _quote_name(join_key)145 full_join_condition = '%s = %s.%s' % (full_join_key,146 _quote_name(join_from_table),147 _quote_name(join_from_key))148 if join_condition:149 full_join_condition += ' AND (' + join_condition + ')'150 if exclude or force_left_join:151 join_type = query_set.query.LOUTER152 else:153 join_type = query_set.query.INNER154 query_set = self.CustomQuery.convert_query(query_set)155 query_set.query.add_custom_join(join_table,156 full_join_condition,157 join_type,158 condition_values=join_condition_values,159 alias=alias)160 if exclude:161 query_set = query_set.extra(where=[full_join_key + ' IS NULL'])162 return query_set163 def _info_for_many_to_one_join(self, field, join_to_query, alias):164 """165 :param field: the ForeignKey field on the related model166 :param join_to_query: the query over the related model that we're167 joining to168 :param alias: alias of joined table169 """...

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