diff options
Diffstat (limited to 'user_guide_src')
| -rw-r--r-- | user_guide_src/source/changelog.rst | 16 | ||||
| -rw-r--r-- | user_guide_src/source/database/results.rst | 7 |
2 files changed, 17 insertions, 6 deletions
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index 763f58b8f..42d348bb2 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -45,6 +45,12 @@ Release Date: Not Released get_compiled_insert(), get_compiled_update(), get_compiled_delete(). - Taking care of LIKE condition when used with MySQL UPDATE statement. - Adding $escape parameter to the order_by function, this enables ordering by custom fields. + - Improved support of the Oracle (OCI8) driver, including: + - Added support for dropping tables to :doc:`Database Forge <database/forge>`. + - Added support for listing database schemas to :doc:`Database Utilities <database/utilities>`. + - Generally improved for speed and cleaned up all of its components. + - *Row* result methods now really only fetch only the needed number of rows, instead of depending entirely on ``result()``. + - ``num_rows()`` is now only called explicitly by the developer and no longer re-executes statements. - Libraries @@ -75,8 +81,7 @@ Bug fixes for 3.0 ------------------ - Unlink raised an error if cache file did not exist when you try to delete it. -- Fixed a bug (#181) where a mis-spelling was in the form validation - language file. +- Fixed a bug (#181) where a mis-spelling was in the form validation language file. - Fixed a bug (#159, #163) that mishandled Active Record nested transactions because _trans_depth was not getting incremented. - Fixed a bug (#737, #75) where pagination anchor class was not set properly when using initialize method. - Fixed a bug (#419) - auto_link() now recognizes URLs that come after a word boundary. @@ -93,7 +98,8 @@ Bug fixes for 3.0 - Fixed a bug in CI_Image_lib::gd_loaded() where it was possible for the script execution to end or a PHP E_WARNING message to be emitted. - In Pagination library, when use_page_numbers=TRUE previous link and page 1 link do not have the same url - Fixed a bug (#561) - Errors in :doc:`XML-RPC Library <libraries/xmlrpc>` were not properly escaped. - +- Fixed a bug in the Oracle (oci8) instance of :doc:`Database Forge Class <database/forge>` where ``create_table()`` would fail if used with ``AUTO_INCREMENT`` as it's not supported by Oracle. +- Fixed a bug (#413) - The Oracle (oci8) database driver only used to return connection-related errors in `_error_message()` and `_error_number()`. Version 2.1.0 ============= @@ -156,11 +162,9 @@ Release Date: Not Released override them. - Removed CI_CORE boolean constant from CodeIgniter.php (no longer Reactor and Core versions). - Bug fixes for 2.1.0 ------------------- - - Fixed #378 Robots identified as regular browsers by the User Agent class. - If a config class was loaded first then a library with the same name @@ -1159,7 +1163,7 @@ Bug fixes for 1.6.3 - Added a language key for valid_emails in validation_lang.php. - Amended fixes for bug (#3419) with parsing DSN database connections. -- Moved the _has_operators() function (#4535) into DB_driver from +- Moved the _has_operator() function (#4535) into DB_driver from DB_active_rec. - Fixed a syntax error in upload_lang.php. - Fixed a bug (#4542) with a regular expression in the Image library. diff --git a/user_guide_src/source/database/results.rst b/user_guide_src/source/database/results.rst index 4f93c794d..de4a337cb 100644 --- a/user_guide_src/source/database/results.rst +++ b/user_guide_src/source/database/results.rst @@ -150,6 +150,13 @@ is the variable that the query result object is assigned to:: echo $query->num_rows(); +.. note:: Oracle (OCI8 driver) doesn't have a way of returning the + total number of rows in a result set without actually fetching + all of them. The only way to achieve this is to get all of the + results first and do a ``count()`` on the resulting array, + therefore you can't use ``num_rows()`` to increase performance + when using the OCI8 driver. + $query->num_fields() ===================== |