first I think your schema declares each field as mandatory. You should use the union form to declare an optional field.
.... "type": ["null", "long"] second - the avro file is not intended as a database - just serialize the whole file again, updating does not really make sense. 2014-11-12 16:53 GMT+01:00 Murali K. Kandula <[email protected] >: > Hello All, > > > "{\"type\":\"record\",\ \"name\":\"Person\",\ \"fields\":[\ {\"name\": > \"ID\", \"type\": \"long\"},\ {\"name\": \"First\", \"type\": > \"string\"},\ {\"name\": \"Last\", \"type\": \"string\"},\ {\"name\": > \"Phone\", \"type\": \"string\"},\ {\"name\": \"Age\", \"type\": > \"int\"}]}”; > > > For the schema mentioned above is it possible to add fields one at a time for > a particular record. Ex: Let say a record with values ( ID: 1, first: abcd, > last:xyz, phone: 111-222-3344, age:30) can we write this record to the file > with only the field ID(with value 1) and then later update the record with > ID( of value 1) with first,last,phone and age. > > > Please let me know if it’s possible. > > > Thanks > > Murali > >
