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It defines a set of methods, variables and conventions that provide a consistent database interface independent of the actual database being used.
It is an open source module for interfacing Perl programs with databases of all kinds.
DBI stands for database independent interface for Perl.
What is new in this release:
New in DBI 1.630 (October 29th, 2013)
What is new in version 1.634:
- Fixed err_hash handling of integer err
- Fixed use of \Q vs \E in t/70callbacks.t
- Changed the handle passed to Callbacks from being an 'inner' handle to being an 'outer' handle.
- Improved reliability of concurrent testing
- Changed optional dependencies to "suggest"
- Changed to avoid mg_get in neatsvpv during global destruction
What is new in version 1.633:
- Fixed err_hash handling of integer err
- Fixed use of \Q vs \E in t/70callbacks.t
- Changed the handle passed to Callbacks from being an 'inner' handle to being an 'outer' handle.
- Improved reliability of concurrent testing
- Changed optional dependencies to "suggest"
- Changed to avoid mg_get in neatsvpv during global destruction
What is new in version 1.630:
- Fixed err for new drh to be undef not to 0
- Fixed RT#83132 - moved DBIstcf* constants to util export tag
- PrintWarn is now triggered by warnings recorded in methods like STORE that don't clear err
What is new in version 1.628:
- Fixed stack corruption on callbacks.
- Fixed DBI::SQL::Nano_::Statement handling of "0".
- Fixed exit op precedence in test.
What is new in version 1.627:
- Fixed VERSION regression in DBI::SQL::Nano.
What is new in version 1.623:
- Added logic to force destruction of children before parents during global destruction.
- Added DBD::File Plugin-Support for table names and data sources.
- Added extra internal handle type check.
- Added cubrid_ registered prefix for DBD::cubrid.
What is new in version 1.622:
- Fixed lack of =encoding in non-ASCII pod docs.
- Corrected typo in DBI::ProfileDumper.
What is new in version 1.621:
- Fixed segmentation fault when a thread is created from within another thread.
What is new in version 1.620:
- Reworked the fetchall_arrayref documentation.
- Hash slices in fetchall_arrayref now detect invalid column names.
What is new in version 1.618:
- Significantly optimized method dispatch via cache.
- Significantly optimized DBI internals for threads.
- Xsub to xsub calling optimization now enabled for threaded perls.
- Corrected typo in example in docs.
- Added note that calling clone() without an arg may warn in future.
- Minor changes to the install_method() docs in DBI::DBD.
- Updated dbipport.h from Devel::PPPort 3.20.
What is new in version 1.615:
- Fixed t/51dbm_file for file/directory names with whitespaces.
- Fixed compiler warnings from ignored hv_store result.
- Fixed portability to VMS.
What is new in version 1.609:
- Fixes to DBD::File added f_schema attribute table names case sensitive when quoted, insensitive when unquoted workaround a bug in SQL::Statement (temporary fix) related to the "You passed x parameters where y required" error.
- Added ImplementorClass and Name info to the "Issuing rollback() due to DESTROY without explicit disconnect" warning to identify the handle. Applies to compiled drivers when they are recompiled.
- Added DBI->visit_handles($coderef) method.
- Added $h->visit_child_handles($coderef) method.
- Added docs for column_info()'s COLUMN_DEF value.
- Clarified docs on stickyness of data type via bind_param().
- Clarified docs on stickyness of data type via bind_col().
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