def includes(self, relation, *conditions, foreign_key_relation=False):
include_condition = condition.includes(relation, list(conditions),
foreign_key_relation)
return query.SelectQuery(
models.ForeignKeyTestModel
if foreign_key_relation else models.RelationshipTestModel,
[include_condition],
)
def where(cls, transaction: Optional[spanner_transaction.Transaction],
*conditions: condition.Condition) -> List[ModelObject]:
"""Retrieves objects from Spanner based on the provided conditions.
Args:
transaction: The existing transaction to use, or None to start a new
transaction
*conditions: Instances of subclasses of Condition that help specify which
objects should be retrieved
Returns:
A list containing all requested objects that exist in the table (can be
an empty list)
"""
builder = query.SelectQuery(cls, conditions)
args = [builder.sql(), builder.parameters(), builder.types()]
results = cls._execute_read(table_apis.sql_query, transaction, args)
return builder.process_results(results)
def select(self, *conditions):
return query.SelectQuery(models.UnittestModel, list(conditions))
def includes(self, relation, *conditions):
include_condition = condition.includes(relation, list(conditions))
return query.SelectQuery(models.RelationshipTestModel,
[include_condition])