Development Version
-------------------

IMPORTANT: The supported Python versions have changed with this release.
sqlparse 0.2.x supports Python 2.7 and Python >= 3.3.

Internal Changes

* sqlparse.SQLParseError was removed from top-level module and moved to
  sqlparse.exceptions.
* sqlparse.sql.Token.to_unicode was removed.
* Lots of code cleanups and modernization (thanks esp. to vmuriart!).

Enhancements

* Support WHILE loops (issue215, by shenlongxing).
* Better support for CTEs (issue217, by Andrew Tipton).
* Recognize USING as a keyword more consistently (issue236, by koljonen).
* Improve alignment of columns (issue207, issue235, by vmuriat).
* Add wrap_after option for better alignment when formatting
  lists (issue248, by Dennis Taylor).
* Improved grouping of operations (issue211, by vmuriat).

Bug Fixes

* Leading whitespaces are now removed when format() is called with
  strip_whitespace=True (issue213, by shenlongxing).
* Fix typo in keywords list (issue229, by cbeloni).
* Fix parsing of functions in comparisons (issue230, by saaj).
* Fix grouping of identifiers (issue233).
* Fix parsing of CREATE TABLE statements (issue242, by Tenghuan).
* Minor bug fixes (issue101).


Release 0.1.19 (Mar 07, 2015)
-----------------------------

Bug Fixes

* Fix IndexError when statement contains WITH clauses (issue205).


Release 0.1.18 (Oct 25, 2015)
-----------------------------

Bug Fixes

* Remove universal wheel support, added in 0.1.17 by mistake.


Release 0.1.17 (Oct 24, 2015)
-----------------------------

Enhancements

* Speed up parsing of large SQL statements (pull request: issue201, fixes the
  following issues: issue199, issue135, issue62, issue41, by Ryan Wooden).

Bug Fixes

* Fix another splitter bug regarding DECLARE (issue194).

Misc

* Packages on PyPI are signed from now on.


Release 0.1.16 (Jul 26, 2015)
-----------------------------

Bug Fixes

* Fix a regression in get_alias() introduced in 0.1.15 (issue185).
* Fix a bug in the splitter regarding DECLARE (issue193).
* sqlformat command line tool doesn't duplicat newlines anymore (issue191).
* Don't mix up MySQL comments starting with hash and MSSQL
  temp tables (issue192).
* Statement.get_type() now ignores comments at the beginning of
  a statement (issue186).


Release 0.1.15 (Apr 15, 2015)
-----------------------------

Bug Fixes

* Fix a regression for identifiers with square bracktes
  notation (issue153, by darikg).
* Add missing SQL types (issue154, issue155, issue156, by jukebox).
* Fix parsing of multi-line comments (issue172, by JacekPliszka).
* Fix parsing of escaped backslashes (issue174, by caseyching).
* Fix parsing of identifiers starting with underscore (issue175).
* Fix misinterpretation of IN keyword (issue183).

Enhancements

* Improve formatting of HAVING statements.
* Improve parsing of inline comments (issue163).
* Group comments to parent object (issue128, issue160).
* Add double precision builtin (issue169, by darikg).
* Add support for square bracket array indexing (issue170, issue176,
  issue177 by darikg).
* Improve grouping of aliased elements (issue167, by darikg).
* Support comments starting with '#' character (issue178).


Release 0.1.14 (Nov 30, 2014)
-----------------------------

Bug Fixes

* Floats in UPDATE statements are now handled correctly (issue145).
* Properly handle string literals in comparisons (issue148, change proposed
  by aadis).
* Fix indentation when using tabs (issue146).

Enhancements

* Improved formatting in list when newlines precede commas (issue140).


Release 0.1.13 (Oct 09, 2014)
-----------------------------

Bug Fixes

* Fix a regression in handling of NULL keywords introduced in 0.1.12.


Release 0.1.12 (Sep 20, 2014)
-----------------------------

Bug Fixes

* Fix handling of NULL keywords in aliased identifiers.
* Fix SerializerUnicode to split unquoted newlines (issue131, by Michael Schuller).
* Fix handling of modulo operators without spaces (by gavinwahl).

Enhancements

* Improve parsing of identifier lists containing placeholders.
* Speed up query parsing of unquoted lines (by Michael Schuller).


Release 0.1.11 (Feb 07, 2014)
-----------------------------

Bug Fixes

* Fix incorrect parsing of string literals containing line breaks (issue118).
* Fix typo in keywords, add MERGE, COLLECT keywords (issue122/124,
  by Cristian Orellana).
* Improve parsing of string literals in columns.
* Fix parsing and formatting of statements containing EXCEPT keyword.
* Fix Function.get_parameters() (issue126/127, by spigwitmer).

Enhancements

* Classify DML keywords (issue116, by Victor Hahn).
* Add missing FOREACH keyword.
* Grouping of BEGIN/END blocks.

Other

* Python 2.5 isn't automatically tested anymore, neither Travis nor Tox
  still support it out of the box.


Release 0.1.10 (Nov 02, 2013)
-----------------------------

Bug Fixes

* Removed buffered reading again, it obviously causes wrong parsing in some rare
  cases (issue114).
* Fix regression in setup.py introduced 10 months ago (issue115).

Enhancements

* Improved support for JOINs, by Alexander Beedie.


Release 0.1.9 (Sep 28, 2013)
----------------------------

Bug Fixes

* Fix an regression introduced in 0.1.5 where sqlparse didn't properly
  distinguished between single and double quoted strings when tagging
  identifier (issue111).

Enhancements

* New option to truncate long string literals when formatting.
* Scientific numbers are pares correctly (issue107).
* Support for arithmetic expressions (issue109, issue106; by prudhvi).


Release 0.1.8 (Jun 29, 2013)
----------------------------

Bug Fixes

* Whitespaces within certain keywords are now allowed (issue97, patch proposed
  by xcombelle).

Enhancements

* Improve parsing of assignments in UPDATE statements (issue90).
* Add STRAIGHT_JOIN statement (by Yago Riveiro).
* Function.get_parameters() now returns the parameter if only one parameter is
  given (issue94, by wayne.wuw).
* sqlparse.split() now removes leading and trailing whitespaces from splitted
  statements.
* Add USE as keyword token (by mulos).
* Improve parsing of PEP249-style placeholders (issue103).


Release 0.1.7 (Apr 06, 2013)
----------------------------

Bug Fixes

* Fix Python 3 compatibility of sqlformat script (by Piet Delport).
* Fix parsing of SQL statements that contain binary data (by Alexey
  Malyshev).
* Fix a bug where keywords were identified as aliased identifiers in
  invalid SQL statements.
* Fix parsing of identifier lists where identifiers are keywords too
  (issue10).

Enhancements

* Top-level API functions now accept encoding keyword to parse
  statements in certain encodings more reliable (issue20).
* Improve parsing speed when SQL contains CLOBs or BLOBs (issue86).
* Improve formatting of ORDER BY clauses (issue89).
* Formatter now tries to detect runaway indentations caused by
  parsing errors or invalid SQL statements. When re-indenting such
  statements the formatter flips back to column 0 before going crazy.

Other

* Documentation updates.


Release 0.1.6 (Jan 01, 2013)
----------------------------

sqlparse is now compatible with Python 3 without any patches. The
Python 3 version is generated during install by 2to3. You'll need
distribute to install sqlparse for Python 3.

Bug Fixes

* Fix parsing error with dollar-quoted procedure bodies (issue83).

Other

* Documentation updates.
* Test suite now uses tox and py.test.
* py3k fixes (by vthriller).
* py3k fixes in setup.py (by Florian Bauer).
* setup.py now requires distribute (by Florian Bauer).


Release 0.1.5 (Nov 13, 2012)
----------------------------

Bug Fixes

* Improve handling of quoted identifiers (issue78).
* Improve grouping and formatting of identifiers with operators (issue53).
* Improve grouping and formatting of concatenated strings (issue53).
* Improve handling of varchar() (by Mike Amy).
* Clean up handling of various SQL elements.
* Switch to py.test and clean up tests.
* Several minor fixes.

Other

* Deprecate sqlparse.SQLParseError. Please use
  sqlparse.exceptions.SQLParseError instead.
* Add caching to speed up processing.
* Add experimental filters for token processing.
* Add sqlformat.parsestream (by quest).


Release 0.1.4 (Apr 20, 2012)
----------------------------

Bug Fixes

* Avoid "stair case" effects when identifiers, functions,
  placeholders or keywords are mixed in identifier lists (issue45,
  issue49, issue52) and when asterisks are used as operators
  (issue58).
* Make keyword detection more restrict (issue47).
* Improve handling of CASE statements (issue46).
* Fix statement splitting when parsing recursive statements (issue57,
  thanks to piranna).
* Fix for negative numbers (issue56, thanks to kevinjqiu).
* Pretty format comments in identifier lists (issue59).
* Several minor bug fixes and improvements.


Release 0.1.3 (Jul 29, 2011)
----------------------------

Bug Fixes

* Improve parsing of floats (thanks to Kris).
* When formatting a statement a space before LIMIT was removed (issue35).
* Fix strip_comments flag (issue38, reported by ooberm...@gmail.com).
* Avoid parsing names as keywords (issue39, reported by djo...@taket.org).
* Make sure identifier lists in subselects are grouped (issue40,
  reported by djo...@taket.org).
* Split statements with IF as functions correctly (issue33 and
  issue29, reported by charles....@unige.ch).
* Relax detection of keywords, esp. when used as function names
  (issue36, nyuhu...@gmail.com).
* Don't treat single characters as keywords (issue32).
* Improve parsing of stand-alone comments (issue26).
* Detection of placeholders in paramterized queries (issue22,
  reported by Glyph Lefkowitz).
* Add parsing of MS Access column names with braces (issue27,
  reported by frankz...@gmail.com).

Other

* Replace Django by Flask in App Engine frontend (issue11).


Release 0.1.2 (Nov 23, 2010)
----------------------------

Bug Fixes

* Fixed incorrect detection of keyword fragments embed in names (issue7,
  reported and initial patch by andyboyko).
* Stricter detection of identfier aliases (issue8, reported by estama).
* WHERE grouping consumed closing parenthesis (issue9, reported by estama).
* Fixed an issue with trailing whitespaces (reported by Kris).
* Better detection of escaped single quotes (issue13, reported by
  Martin Brochhaus, patch by bluemaro with test case by Dan Carley).
* Ignore identifier in double-quotes when changing cases (issue 21).
* Lots of minor fixes targeting encoding, indentation, statement
  parsing and more (issues 12, 14, 15, 16, 18, 19).
* Code cleanup with a pinch of refactoring.


Release 0.1.1 (May 6, 2009)
---------------------------

Bug Fixes

* Lexers preserves original line breaks (issue1).
* Improved identifier parsing: backtick quotes, wildcards, T-SQL variables
  prefixed with @.
* Improved parsing of identifier lists (issue2).
* Recursive recognition of AS (issue4) and CASE.
* Improved support for UPDATE statements.

Other

* Code cleanup and better test coverage.


Release 0.1.0 (Apr 8, 2009)
---------------------------

Initial release.
