Checks the existance of data.
Optional_data: unknownChecks whether value is less than or equal to (i.e. <=) the query.
Optional_data: unknownChecks whether value is greater than or equal to (i.e. >=) the query.
Optional_data: unknownCasts data. This function is used by getters to cast an object to document instances. If the value is null, the default value will be returned.
Optionalvalue: unknownOptional_data: unknownCompares data. This function is used when sorting.
Checks the equality of data.
Optional_data: unknownParses data. This function is used when restoring data from database files.
Checks the existance of data.
Optional_data: unknownChecks whether value is greater than (i.e. >) the query.
Optional_data: unknownChecks whether value is greater than or equal to (i.e. >=) the query.
Optional_data: unknownChecks whether value is equal to one of elements in query.
Optional_data: unknownChecks whether value is less than (i.e. <) the query.
Optional_data: unknownChecks whether value is less than or equal to (i.e. <=) the query.
Optional_data: unknownChecks the equality of data. Returns true if the value doesn't match.
Optionaldata: unknownChecks whether value is not equal to any elements in query.
Optional_data: unknownRenames a field.
Validates data. This function is used by setters.
Optional_data: unknownTransforms value. This function is used when saving data to database files.
Optional_data: unknown
Object schema type.