There is no check for presence of keys in expected field of put_item.

[Ajaya Agrawal]

Log
======
code=2200 [Invalid query] message="PRIMARY KEY column 'u_Author' cannot have IF conditions"
======
The query goes to cassandra and fails. We could validate that before that reaches cassandra.

[Ilya Sviridov (isviridov)]

ajayya, could you please provide the table schema and query.
Primary key could be in expected in case of checking item existing

http://magnetodb.readthedocs.org/en/latest/put_item.html#conditions-support

~ isviridov

[Ajaya Agrawal (ajayaa)]

isviridov,

table schema:
https://gist.github.com/bfcfd3876dd2c91c114c

put_item reqeust:
https://gist.github.com/62a6c1d6f9722070a3ad
https://gist.github.com/b6b133a38e6987b4491a