CQL3 reference

https://cassandra.apache.org/doc/cql3/CQL.html

Installation

pip install silverberg

Prerequisites:

• Python >= 2.7

• Twisted

• Thrift

• Cassandra >= 1.2

Version History

• 0.1.12

  • Marshalling list correctly

• 0.1.11

  • Unmarshalling bool type

• 0.1.10

  • (vvoznesensky) Fixed authentication

• 0.1.9

  • (harii) Adding new timestamp type from Cassandra 2.0

• 0.1.8

  • Option to disconnect TCP connection when cancelling running query

• 0.1.7

  • (jmahonin) Added support for unmarshalling Cassandra list types, double

    types, and 32-bit signed int types (int, as opposed to varint)

  • fixed incompatibility with Python 2.6

• 0.1.6

  • Added disconnect() method to LoggingCQLClient

• 0.1.5

  • Different claim ids are logged when lock is not acquired

  • Removed logging of intermittent ‘Released lock’ messages that occurred when lock acquisition was tried again

  • Logging node info when connection to a node is lost in an unclean fashion

• 0.1.4

  • LoggingCQLClient logs cql failures as msg

  • null values unmarshal correctly now, no matter what the type, because null values will just always be unmarshalled as None

  • BasicLock takes optional log argument that if given logs when the lock was acquired and released along with time taken

• 0.1.3

  • RoundRobinCassandraCluster tries the next node in the cluster if it gets conection error

  • LoggingCQLClient class implemented that will log every CQL query, parameters and seconds taken to execute the query

  • Fixed bug in locks recipe where it didn’t get row in some rare scenarios

  • Fix marshalling of counter

  • Issue with how round robin cluster keeps track of rotating client

• 0.1.2

  • Fix marshalling of timestamps

• 0.1.1

  • Adding locks recipe for cassandra-based named locks

• 0.1.0

  • Changed API, cleaned up return valeus

• 0.0.x

  • Early development version

Running Tests and Lint

make test and make lint

License

Silverberg is distributed under the Apache license v2.0. See LICENSE.txt

Contributing

We love pull requests! Please:

• Follow reasonable GitHub Pull Request practices

• Make sure that your new contributed code contains reasonable unit tests

• Unit tests and lint continue to pass