Ondřej Černoš created CASSANDRA-5485:
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Summary: Cannot set varchar column to null when using cql3/thrift
and prepared statements
Key: CASSANDRA-5485
URL: https://issues.apache.org/jira/browse/CASSANDRA-5485
Project: Cassandra
Issue Type: Bug
Components: API
Affects Versions: 1.2.4
Reporter: Ondřej Černoš
We use cql3 over thrift (there is no native driver for Erlang now) and prepared
statements. There is no way to set null to a varchar column in insert statement
created from prepared statement (as Thrift doesn't support null representation
afaik). Empty byte array (empty binary in Erlang) is translated to empty string.
There are two workarounds for this:
* don't use prepared statements
* pass empty strings to null columns and delete these columns afterwards in a
batch
Both are inferior solutions however.
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