X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Changes;h=0ac232139847fdd6f37094e8ee3c39eab8794886;hb=c36f8d8d60e965f3409e8f77dda9a7eab6621540;hp=995dc25b44eb1407c7477743941667c128d58dd2;hpb=97e130fa48aca5a1255b7014b4cbcb0c30c95328;p=dbsrgits%2FDBIx-Class.git diff --git a/Changes b/Changes index 995dc25..0ac2321 100644 --- a/Changes +++ b/Changes @@ -1,19 +1,80 @@ Revision history for DBIx::Class +0.08250 2013-04-29 22:00 (UTC) * New Features / Changes + - Rewrite from scratch the result constructor codepath - many bugfixes + and performance improvements (the current codebase is now capable of + outperforming both DBIx::DataModel and Rose::DB::Object on some + workloads). Some notable benefits: + - Multiple has_many prefetch + - Partial prefetch - you now can select only columns you are + interested in, while preserving the collapse functionality + (collapse is now exposed as a first-class API attribute) + - Prefetch of resultsets with arbitrary order + (RT#54949, RT#74024, RT#74584) + - Prefetch no longer inserts right-side table order_by clauses + (massively helps the deficient MySQL optimizer) + - Prefetch with limit on right-side ordered resultsets now works + correctly (via aggregated grouping) + - No longer order the insides of a complex prefetch subquery, + unless required to satisfy a limit + - Stop erroneously considering order_by criteria from a join under + distinct => 1 (the distinct should apply to the main source only) + - Massively optimize codepath around ->cursor(), over 10x speedup + on some iterating workloads. + - Support standalone \[ $sql, $value ] in literal SQL with bind + specifications: \[ '? + ?', 42, 69 ] is now equivalent to + \[ '? + ?', [ {} => 42 ], [ {} => 69 ] ] - Changing the result_class of a ResultSet in progress is now explicitly forbidden. The behavior was undefined before, and would result in wildly differing outcomes depending on $rs attributes. - - Scale back validation of the 'as' attribute - in the field - there are legitimate-ish uses of a inflating into an apparently - invalid relationship graph - - Warn in case of iterative collapse being upgraded to an eager - cursor slurp + - Deprecate returning of prefetched 'filter' rels as part of + get_columns() and get_inflated_columns() data + - Invoking get_inflated_columns() no longer fires get_columns() but + instead retrieves data from individual non-inflatable columns via + get_column() + - Emit a warning on incorrect use of nullable columns within a + primary key + - Limited checks are performed on whether columns without declared + is_nullable => 1 metadata do in fact sometimes fetch NULLs from + the database (the check is currently very limited and is performed + only on resultset collapse when the alternative is rather worse) + + * Fixes + - Fix _dbi_attrs_for_bind() being called befor DBI has been loaded + (regression in 0.08210) + - Fix update/delete operations on resultsets *joining* the updated + table failing on MySQL. Resolves oversights in the fixes for + RT#81378 and RT#81897 + - Fix open cursors silently resetting when inherited across a fork + or a thread + - Properly support "MySQL-style" left-side group_by with prefetch + - Fix $grouped_rs->get_column($col)->func($func) producing incorrect + SQL (RT#81127) + - Stop Sybase ASE storage from generating invalid SQL in subselects + when a limit without offset is encountered + - Even more robust behavior of GenericSubQuery limit dialect + - Make sure deployment_statements() and cursor_class() are called on + a resolved storage subclass + + * Misc + - Fix tests failing due to unspecified resultset retrieval order + (test suite now will pass with newest SQLite libs) + +0.08210 2013-04-04 15:30 (UTC) + * New Features / Changes + - Officially deprecate the 'cols' and 'include_columns' resultset + attributes + - Remove ::Storage::DBI::sth() deprecated in 0.08191 * Fixes - - Properly consider unselected order_by criteria during complex - subqueried prefetch + - Work around a *critical* bug with potential for data loss in + DBD::SQLite - RT#79576 + - Audit and correct potential bugs associated with braindead reuse + of $1 on unsuccessful matches + - Fix incorrect warning/exception originator reported by carp*() and + throw_exception() 0.08209 2013-03-01 12:56 (UTC) * New Features / Changes @@ -43,45 +104,6 @@ Revision history for DBIx::Class tarball contents (implicitly fixes RT#83084) - Added strict and warnings tests for all lib and test files -0.08241-TRIAL (EXPERIMENTAL BETA RELEASE) 2013-02-20 11:97 (UTC) - * New Features / Changes - - Revert to passing the original (pre-0.08240) arguments to - inflate_result() and remove the warning about ResultClass - inheritance. - - Optimize the generated rowparsers even more - no user-visible - changes. - - Emit a warning on incorrect use of nullable columns within a - primary key - -0.08240-TRIAL (EXPERIMENTAL BETA RELEASE) 2013-02-14 05:56 (UTC) - * New Features / Changes - - Rewrite from scratch the result constructor codepath - many bugfixes - and performance improvements (the current codebase is now capable of - outperforming both DBIx::DataModel and Rose::DB::Object on some - workloads). Some notable benefits: - - Multiple has_many prefetch - - Partial prefetch - you now can select only columns you are - interested in, while preserving the collapse functionality - (collapse is now exposed as a first-class API attribute) - - Prefetch of resultsets with arbitrary order - (RT#54949, RT#74024, RT#74584) - - Prefetch no longer inserts right-side table order_by clauses - (massively helps the deficient MySQL optimizer) - - Massively optimize codepath around ->cursor(), over 10x speedup - on some iterating workloads. - - * Fixes - - Fix open cursors silently resetting when inherited across a fork - or a thread - - Fix duplicated selected columns when calling 'count' when a same - aggregate function is used more than once in a 'having' clause - (RT#83305) - - * Misc - - Fixup our distbuilding process to stop creating world-writable - tarball contents (implicitly fixes RT#83084) - - Added strict and warnings tests for all lib and test files - 0.08206 2013-02-08 * Fixes - Fix dbh_do() failing to properly reconnect (regression in 0.08205)