<commit_before>======================
Changes for Crate Data
======================

Unreleased
==========

 - fix: ``COPY FROM`` could result in a deadlock on high concurrency

 - performance improved of scalar function 'substr'

 - updated crate-admin to 0.9.0 which contains following changes

    - use new sys.nodes.fs expression in order to
      calculate disk utilization of data disks correctly

 - fix: return used disk space in bytes

 - changed sys.nodes.fs column to contain stats about all mounted disks,
   total disk stats and node data path locations

 - changed output of colum names in information schema to subscript notation

 - implemented sys.nodes.process expressions

 - implemented sys.nodes.os expressions to show uptime and cpu utilization

 - implemented sys.nodes.network expressions to show tcp network stats

 - updated elasticsearch to 1.2.1

 - added insert by query support

 - added ``distance`` and ``within`` geo scalar functions

 - implemented ``sys.cluster.master_node`` expression.

 - it is now possible to use `is null` on columns of any data type.

 - added support for ``alter table add column``

2014/07/06 0.39.2
=================

 - fix: concurrent issues at ``COPY FROM`` retry logic

2014/07/03 0.39.1
=================

 - fix: ``COPY FROM`` will now throttle and retry if there are failures due to
   full thread pool queues
   The ``concurrency`` option has also been removed.

 - fix: improve input validation for objects and object arrays

 - fix: avoid failed execution of ``DROP TABLE`` on partitioned table
   to leave unrecoverable inconsistent state behind

 - fix: columns referenced by positional arguments in a ``ORDER BY`` or
   ``GROUP BY`` clause are now validated for their data types

 - fix: revised incorrect documentation about geo_point definition<commit_msg>updated changelog according to 0.39.3 release<commit_after>======================
Changes for Crate Data
======================

Unreleased
==========

 - performance improved of scalar function 'substr'

 - updated crate-admin to 0.9.0 which contains following changes

    - use new sys.nodes.fs expression in order to
      calculate disk utilization of data disks correctly

 - fix: return used disk space in bytes

 - changed sys.nodes.fs column to contain stats about all mounted disks,
   total disk stats and node data path locations

 - changed output of colum names in information schema to subscript notation

 - implemented sys.nodes.process expressions

 - implemented sys.nodes.os expressions to show uptime and cpu utilization

 - implemented sys.nodes.network expressions to show tcp network stats

 - updated elasticsearch to 1.2.1

 - added insert by query support

 - added ``distance`` and ``within`` geo scalar functions

 - implemented ``sys.cluster.master_node`` expression.

 - it is now possible to use `is null` on columns of any data type.

 - added support for ``alter table add column``

2014/07/08 0.39.3
=================

 - fix: ``COPY FROM`` could result in a deadlock on high concurrency

 - fix: apply proper quoting to crash arguments when used as ``bin/crash``

2014/07/06 0.39.2
=================

 - fix: concurrent issues at ``COPY FROM`` retry logic

2014/07/03 0.39.1
=================

 - fix: ``COPY FROM`` will now throttle and retry if there are failures due to
   full thread pool queues
   The ``concurrency`` option has also been removed.

 - fix: improve input validation for objects and object arrays

 - fix: avoid failed execution of ``DROP TABLE`` on partitioned table
   to leave unrecoverable inconsistent state behind

 - fix: columns referenced by positional arguments in a ``ORDER BY`` or
   ``GROUP BY`` clause are now validated for their data types

 - fix: revised incorrect documentation about geo_point definition
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