from bulk_manager_django.BulkManager import BulkManager
BM = BulkManager()

BM.prepareCreate([
   DemoTable(
      name        = 'built-in create1',
      is_enabled  = True,
      insert_type = 'built-in',
   ),
   DemoTable(
      name        = 'built-in create2',
      is_enabled  = True,
      insert_type = 'built-in',
   ),
   DemoTable(
      name        = 'built-in create3',
      is_enabled  = True,
      insert_type = 'built-in',
   )
])

BM.create() # or BM.execute()

for record in DemoTable.objects.filter(insert_type = 'bulk-manager'):
      BM.set(record, 'description', 'updated description')
      
      BM.set(record, 'platform_name', 'updated platform_name')
      
      BM.set(record, 'is_enabled', randomBool())
      
BM.update() # or BM.execute()

for record in DemoTable.objects.filter(insert_type = 'bulk-manager'):
      BM.prepareDelete(record)
      
   

BM.delete(['DemoTable']) # or BM.delete() or BM.execute() or BM.execute(delete_order= ['DemoTable'])