Global secondary index for pynamodb

pynamoGlobalSecondaryIndex.py

from pynamodb.indexes import GlobalSecondaryIndex, AllProjection
from pynamodb.attributes import NumberAttribute, BooleanAttribute
 
class Database(Model):
  class Meta:
    aws_access_key_id = ACCESS_KEY_ID
    aws_secret_access_key = SECRET_ACCESS_KEY
    table_name = DATABASE_TABLE_NAME
    region = REGION
  ib_prcode = UnicodeAttribute(hash_key=True, default = '')
  lastUpdate = NumberAttribute( default = 0)
  inventory = JSONAttribute(default={})
  needUpdate = BooleanAttribute(default=False)
  needUpdateIndex = Database.NeedUpdateIndex()
  
  class NeedUpdateIndex(GlobalSecondaryIndex):
    class Meta:
        index_name = 'need-update'
        projection = AllProjection()

    # This attribute is the hash key for the index
    # Note that this attribute must also exist
    # in the model
    needUpdate = BooleanAttribute(default=False, hash_key=True)