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CHANGELOG
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Development Version
-------------------
Nothing yet.
Release 0.5.0 (Apr 13, 2024)
----------------------------
Notable Changes
* Drop support for Python 3.5, 3.6, and 3.7.
* Python 3.12 is now supported (pr725, by hugovk).
* IMPORTANT: Fixes a potential denial of service attack (DOS) due to recursion
error for deeply nested statements. Instead of recursion error a generic
SQLParseError is raised. See the security advisory for details:
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-2m57-hf25-phgg
The vulnerability was discovered by @uriyay-jfrog. Thanks for reporting!
Enhancements:
* Splitting statements now allows to remove the semicolon at the end.
Some database backends love statements without semicolon (issue742).
* Support TypedLiterals in get_parameters (pr749, by Khrol).
* Improve splitting of Transact SQL when using GO keyword (issue762).
* Support for some JSON operators (issue682).
* Improve formatting of statements containing JSON operators (issue542).
* Support for BigQuery and Snowflake keywords (pr699, by griffatrasgo).
* Support parsing of OVER clause (issue701, pr768 by r33s3n6).
Bug Fixes
* Ignore dunder attributes when creating Tokens (issue672).
* Allow operators to precede dollar-quoted strings (issue763).
* Fix parsing of nested order clauses (issue745, pr746 by john-bodley).
* Thread-safe initialization of Lexer class (issue730).
* Classify TRUNCATE as DDL and GRANT/REVOKE as DCL keywords (based on pr719
by josuc1, thanks for bringing this up!).
* Fix parsing of PRIMARY KEY (issue740).
Other
* Optimize performance of matching function (pr799, by admachainz).
Release 0.4.4 (Apr 18, 2023)
----------------------------
Notable Changes
* IMPORTANT: This release fixes a security vulnerability in the
parser where a regular expression vulnerable to ReDOS (Regular
Expression Denial of Service) was used. See the security advisory
for details: https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2
The vulnerability was discovered by @erik-krogh from GitHub
Security Lab (GHSL). Thanks for reporting!
Bug Fixes
* Revert a change from 0.4.0 that changed IN to be a comparison (issue694).
The primary expectation is that IN is treated as a keyword and not as a
comparison operator. That also follows the definition of reserved keywords
for the major SQL syntax definitions.
* Fix regular expressions for string parsing.
Other
* sqlparse now uses pyproject.toml instead of setup.cfg (issue685).
Release 0.4.3 (Sep 23, 2022)
----------------------------
Enhancements
* Add support for DIV operator (pr664, by chezou).
* Add support for additional SPARK keywords (pr643, by mrmasterplan).
* Avoid tokens copy (pr622, by living180).
* Add REGEXP as a comparision (pr647, by PeterSandwich).
* Add DISTINCTROW keyword for MS Access (issue677).
* Improve parsing of CREATE TABLE AS SELECT (pr662, by chezou).
Bug Fixes
* Fix spelling of INDICATOR keyword (pr653, by ptld).
* Fix formatting error in EXTRACT function (issue562, issue670, pr676, by ecederstrand).
* Fix bad parsing of create table statements that use lower case (issue217, pr642, by mrmasterplan).
* Handle backtick as valid quote char (issue628, pr629, by codenamelxl).
* Allow any unicode character as valid identifier name (issue641).
Other
* Update github actions to test on Python 3.10 as well (pr661, by cclaus).
Release 0.4.2 (Sep 10, 2021)
----------------------------
Notable Changes
* IMPORTANT: This release fixes a security vulnerability in the
strip comments filter. In this filter a regular expression that was
vulnerable to ReDOS (Regular Expression Denial of Service) was
used. See the security advisory for details: https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-p5w8-wqhj-9hhf
The vulnerability was discovered by @erik-krogh and @yoff from
GitHub Security Lab (GHSL). Thanks for reporting!
Enhancements
* Add ELSIF as keyword (issue584).
* Add CONFLICT and ON_ERROR_STOP keywords (pr595, by j-martin).
Bug Fixes
* Fix parsing of backticks (issue588).
* Fix parsing of scientific number (issue399).
Release 0.4.1 (Oct 08, 2020)
----------------------------
Bug Fixes
* Just removed a debug print statement, sorry...
Release 0.4.0 (Oct 07, 2020)
----------------------------
Notable Changes
* Remove support for end-of-life Python 2.7 and 3.4. Python 3.5+ is now
required.
* Remaining strings that only consist of whitespaces are not treated as
statements anymore. Code that ignored the last element from
sqlparse.split() should be updated accordingly since that function
now doesn't return an empty string as the last element in some
cases (issue496).
Enhancements
* Add WINDOW keyword (pr579 by ali-tny).
* Add RLIKE keyword (pr582 by wjones1).
Bug Fixes
* Improved parsing of IN(...) statements (issue566, pr567 by hurcy).
* Preserve line breaks when removing comments (issue484).
* Fix parsing error when using square bracket notation (issue583).
* Fix splitting when using DECLARE ... HANDLER (issue581).
* Fix splitting of statements using CASE ... WHEN (issue580).
* Improve formatting of type casts in parentheses.
* Stabilize formatting of invalid SQL statements.
Release 0.3.1 (Feb 29, 2020)
----------------------------
Enhancements
* Add HQL keywords (pr475, by matwalk).
* Add support for time zone casts (issue489).
* Enhance formatting of AS keyword (issue507, by john-bodley).
* Stabilize grouping engine when parsing invalid SQL statements.
Bug Fixes
* Fix splitting of SQL with multiple statements inside
parentheses (issue485, pr486 by win39).
* Correctly identify NULLS FIRST / NULLS LAST as keywords (issue487).
* Fix splitting of SQL statements that contain dollar signs in
identifiers (issue491).
* Remove support for parsing double slash comments introduced in
0.3.0 (issue456) as it had some side-effects with other dialects and
doesn't seem to be widely used (issue476).
* Restrict detection of alias names to objects that actually could
have an alias (issue455, adopted some parts of pr509 by john-bodley).
* Fix parsing of date/time literals (issue438, by vashek).
* Fix initialization of TokenList (issue499, pr505 by john-bodley).
* Fix parsing of LIKE (issue493, pr525 by dbczumar).
* Improve parsing of identifiers (pr527 by liulk).
Release 0.3.0 (Mar 11, 2019)
----------------------------
Notable Changes
* Remove support for Python 3.3.
Enhancements
* New formatting option "--indent_after_first" (pr345, by johshoff).
* New formatting option "--indent_columns" (pr393, by digitalarbeiter).
* Add UPSERT keyword (issue408).
* Strip multiple whitespace within parentheses (issue473, by john-bodley).
* Support double slash (//) comments (issue456, by theianrobertson).
* Support for Calcite temporal keywords (pr468, by john-bodley).
Bug Fixes
* Fix occasional IndexError (pr390, by circld, issue313).
* Fix incorrect splitting of strings containing new lines (pr396, by fredyw).
* Fix reindent issue for parenthesis (issue427, by fredyw).
* Fix from( parsing issue (issue446, by fredyw) .
* Fix for get_real_name() to return correct name (issue369, by fredyw).
* Wrap function params when wrap_after is set (pr398, by soloman1124).
* Fix parsing of "WHEN name" clauses (pr418, by andrew deryabin).
* Add missing EXPLAIN keyword (issue421).
* Fix issue with strip_comments causing a syntax error (issue425, by fredyw).
* Fix formatting on INSERT which caused staircase effect on values (issue329,
by fredyw).
* Avoid formatting of psql commands (issue469).
Internal Changes
* Unify handling of GROUP BY/ORDER BY (pr457, by john-bodley).
* Remove unnecessary compat shim for bytes (pr453, by jdufresne).
Release 0.2.4 (Sep 27, 2017)
----------------------------
Enhancements
* Add more keywords for MySQL table options (pr328, pr333, by phdru).
* Add more PL/pgSQL keywords (pr357, by Demetrio92).
* Improve parsing of floats (pr330, by atronah).
Bug Fixes
* Fix parsing of MySQL table names starting with digits (issue337).
* Fix detection of identifiers using comparisons (issue327).
* Fix parsing of UNION ALL after WHERE (issue349).
* Fix handling of semicolon in assignments (issue359, issue358).
Release 0.2.3 (Mar 02, 2017)
----------------------------
Enhancements
* New command line option "--encoding" (by twang2218, pr317).
* Support CONCURRENTLY keyword (issue322, by rowanseymour).
Bug Fixes
* Fix some edge-cases when parsing invalid SQL statements.
* Fix indentation of LIMIT (by romainr, issue320).
* Fix parsing of INTO keyword (issue324).
Internal Changes
* Several improvements regarding encodings.
Release 0.2.2 (Oct 22, 2016)
----------------------------
Enhancements
* Add comma_first option: When splitting list "comma first" notation
is used (issue141).
Bug Fixes
* Fix parsing of incomplete AS (issue284, by vmuriart).
* Fix parsing of Oracle names containing dollars (issue291).
* Fix parsing of UNION ALL (issue294).
* Fix grouping of identifiers containing typecasts (issue297).
* Add Changelog to sdist again (issue302).
Internal Changes
* `is_whitespace` and `is_group` changed into properties
Release 0.2.1 (Aug 13, 2016)
----------------------------
Notable Changes
* PostgreSQL: Function bodys are parsed as literal string. Previously
sqlparse assumed that all function bodys are parsable psql
strings (see issue277).
Bug Fixes
* Fix a regression to parse streams again (issue273, reported and
test case by gmccreight).
* Improve Python 2/3 compatibility when using parsestream (issue190,
by phdru).
* Improve splitting of PostgreSQL functions (issue277).
Release 0.2.0 (Jul 20, 2016)
----------------------------
IMPORTANT: The supported Python versions have changed with this release.
sqlparse 0.2.x supports Python 2.7 and Python >= 3.3.
Thanks to the many contributors for writing bug reports and working
on pull requests who made this version possible!
Internal Changes
* sqlparse.SQLParseError was removed from top-level module and moved to
sqlparse.exceptions.
* sqlparse.sql.Token.to_unicode was removed.
* The signature of a filter's process method has changed from
process(stack, stream) -> to process(stream). Stack was never used at
all.
* Lots of code cleanups and modernization (thanks esp. to vmuriart!).
* Improved grouping performance. (sjoerdjob)
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).
* Add reindent-aligned option for alternate formatting (Adam Greenhall)
* 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).
* Improve formatting of CASE WHEN constructs (issue164, by vmuriat).
Release 0.1.19 (Mar 07, 2016)
-----------------------------
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 duplicate 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 split
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 Pi 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 pytest.
* 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 pytest 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 [email protected]).
* Avoid parsing names as keywords (issue39, reported by [email protected]).
* Make sure identifier lists in subselects are grouped (issue40,
reported by [email protected]).
* Split statements with IF as functions correctly (issue33 and
issue29, reported by [email protected]).
* Relax detection of keywords, esp. when used as function names
(issue36, [email protected]).
* 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 [email protected]).
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 identifier 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.