def mutate(self, app_label, proj_sig):
app_sig = proj_sig[app_label]
model_sig = app_sig[self.model_name]
sql_statements = []
model = MockModel(proj_sig, app_label, self.model_name, model_sig)
# Remove any many to many tables.
for field_name, field_sig in model_sig['fields'].items():
if field_sig['field_type'] == models.ManyToManyField:
field = model._meta.get_field(field_name)
m2m_table = field._get_m2m_db_table(model._meta)
sql_statements += evolver.delete_table(m2m_table)
# Remove the table itself.
sql_statements += evolver.delete_table(model._meta.db_table)
return sql_statements
def mutate(self, app_label, proj_sig):
app_sig = proj_sig[app_label]
model_sig = app_sig[self.model_name]
sql_statements = []
model = MockModel(proj_sig, app_label, self.model_name, model_sig)
# Remove any many to many tables.
for field_name, field_sig in model_sig['fields'].items():
if field_sig['field_type'] == models.ManyToManyField:
field = model._meta.get_field(field_name)
m2m_table = field._get_m2m_db_table(model._meta)
sql_statements += evolver.delete_table(m2m_table)
# Remove the table itself.
sql_statements += evolver.delete_table(model._meta.db_table)
return sql_statements
def mutate(self, app_label, proj_sig):
app_sig = proj_sig[app_label]
model_sig = app_sig[self.model_name]
field_sig = model_sig['fields'][self.field_name]
model = MockModel(proj_sig, app_label, self.model_name, model_sig)
# Temporarily remove field_type from the field signature
# so that we can create a field
field_type = field_sig.pop('field_type')
field = create_field(proj_sig, self.field_name, field_type, field_sig)
field_sig['field_type'] = field_type
if field_type == models.ManyToManyField:
sql_statements = evolver.delete_table(field._get_m2m_db_table(model._meta))
else:
sql_statements = evolver.delete_column(model, field)
return sql_statements
def mutate(self, app_label, proj_sig):
app_sig = proj_sig[app_label]
model_sig = app_sig[self.model_name]
field_sig = model_sig['fields'][self.field_name]
model = MockModel(proj_sig, app_label, self.model_name, model_sig)
# Temporarily remove field_type from the field signature
# so that we can create a field
field_type = field_sig.pop('field_type')
field = create_field(proj_sig, self.field_name, field_type, field_sig)
field_sig['field_type'] = field_type
if field_type == models.ManyToManyField:
sql_statements = evolver.delete_table(
field._get_m2m_db_table(model._meta))
else:
sql_statements = evolver.delete_column(model, field)
return sql_statements
