CHANGE LOG

New Features:

• Support Routine Load
  Doris now support routine load job, which allow user to create a routine
  load job with simple instruction, and the data will be consumed and loaded
  into Doris automatically. More information and guide can be found in
  Routine Load.

• Support Doris on ES
  Doris now support querying Elasticsearch. User can create an extern table
  with engine type ES, and query it as a normal table. Doris also support a
  new built-in function es_query(), which allow user to write special
  Elasticsearch query language in SQL. More information and guide can be
  found in Doris-On-ES

• Support UDF and UDAF
  Now user can write UDF and UDAF in C++ language.

• New documentation framework
  All documents of Doris will be moved to the directory
  docs/documentation/. You can see README to
  get more information, and help us complete the documentations. Any
  documents are welcome.
  There is also a new directory samples/ which contains some samples of
  using Doris.

Enhancement:

• High performance Decimal type implementation.(#727)
• Parallel execution of fragment instance (#851)
• Support hll_union_agg in Analytic Function (#819)
• Support hll_raw_agg in Aggregate Function (#832)
• Support adding columns to multiple rollup indexes in one ALTER TABLE
  stmt (#931)

Usability:

• Add --daemon option to all start scripts (#642)
• Remove the restrict that delete stmt must specify partition even for
  unpartitioned table (#668)
• Remove restrict of that Analytic function must have partition by clause
  (#659)
• Support enable_insert_strict session variable to control the insert
  request (#1013)
• Support NEGATIVE keyword in Broker Load (#1101)
• Support more functions which can be calculated in Frontends:
  unix_timestamp(), str_to_date(), current_user(), user()
• Support more built-in functions: money_format(), left(), right()
• New metrics: disk_state, tablet_distribution, scheduled_tablet_num
• Forward some requests to Master Frontend to get accurate results (#944)

Bug fixed:

• A lot of bugs fixed. Please see ISSUES to get more
  information.