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From "Jonathan Rudenberg (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-4739) Native protocol doesn't accept collections in EXECUTE
Date Mon, 01 Oct 2012 16:33:07 GMT
Jonathan Rudenberg created CASSANDRA-4739:
---------------------------------------------

             Summary: Native protocol doesn't accept collections in EXECUTE
                 Key: CASSANDRA-4739
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4739
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 1.2.0 beta 1
         Environment: Cassandra 937f15e1
OS X 10.8.2
java version "1.6.0_35"
Java(TM) SE Runtime Environment (build 1.6.0_35-b10-428-11M3811)
Java HotSpot(TM) 64-Bit Server VM (build 20.10-b01-428, mixed mode)
            Reporter: Jonathan Rudenberg


I'm putting a collection onto the wire in an EXECUTE request with exactly the same bytes that
Cassandra encodes the same data in a response:

"Can't apply operation on column with org.apache.cassandra.db.marshal.SetType(org.apache.cassandra.db.marshal.UTF8Type)
type"

Here's the full trace log from cassandra:

{noformat}
DEBUG 19:24:15,414 Received: PREPARE INSERT INTO things (id, set_text) VALUES (?, ?);
TRACE 19:24:15,414 CQL QUERY: INSERT INTO things (id, set_text) VALUES (?, ?);
TRACE 19:24:15,415 Stored prepared statement #413587006 with 2 bind markers
DEBUG 19:24:15,415 Responding: RESULT PREPARED 413587006 [id(gocql_collections, things), org.apache.cassandra.db.marshal.TimeUUIDType][set_text(gocql_collections,
things), org.apache.cassandra.db.marshal.SetType(org.apache.cassandra.db.marshal.UTF8Type)]
DEBUG 19:24:15,416 Received: EXECUTE 413587006 with 2 values
TRACE 19:24:15,416 [1] 'java.nio.HeapByteBuffer[pos=18 lim=34 cap=53]'
TRACE 19:24:15,416 [2] 'java.nio.HeapByteBuffer[pos=38 lim=51 cap=53]'
DEBUG 19:24:15,417 Responding: ERROR INVALID: Can't apply operation on column with org.apache.cassandra.db.marshal.SetType(org.apache.cassandra.db.marshal.UTF8Type)
type.
{noformat}


The prepared statement is:

{noformat}
INSERT INTO things (id, set_text) VALUES (?, ?);
{noformat}

and the collection value ({'asdf', 'sdf'}) is encoded as:

{noformat}
00 02 00 04 61 73 64 66 00 03 73 64 66
{noformat}

which is byte-for-byte exactly the same as what I get from Cassandra off the wire when I do
a query for the same data.

I already have the driver working with other queries/inserts with all other types, so this
is just a collection encoding problem.

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