Crossdata Release 0.3.0

[Miguel Angel Fernandez]

Hi all,

From the Crossdata team, we are happy to announce a new version:

Changes from version 0.2.1:

• Support for collections (List)
• Support for multiple joins
• Full support for connector native datatypes.
• Full support of aliases.
• Register/unregister tables.
• Import catalog/table from an existent datastore.
• Add support for operators preference
• SQL92 Grammar support extended:
  • CASE WHEN
  • LIKE
  • LEFT/RIGTH/INNER/CROSS JOIN
  • AND/OR/NOT/IN/BETWEEN
  • NULL
  • HAVING
• Case sensitive
• Subqueries: Complex structures like Select from select or where clauses with another select
• Support for Insert into from select:
  • Batch in same datastore
  • Batch with select of one datastore and insert into another datastore
  • Select from a streaming datastore and insert into a batch datastore
• Better communication & stability between connectors and crossdata server.
• Support for several nodes of the same connector (High availability)
• Added metrics to measure times in every phase of a query
• Add priority weight to connectors
• Improvement in server concurrency
  
• Update Metadata of tables can be requested from connectors to server
• Generate SQLDirect clause that can be used for the connectors
• Improve connector choice in Planner
• Improvement in IConnector interface
• Improvement in shell with better information to users
• First approach to crossdata security module
• Bug fixing from 0.2 version

For reporting bugs, please go to:

https://crossdata.atlassian.net

You can find the code here:

https://github.com/Stratio/crossdata