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# Changes in python-sqlparse

## Upcoming Deprecations

- `sqlparse.SQLParseError` is deprecated (version 0.1.5), use `sqlparse.exceptions.SQLParseError` instead.

## 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.

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