diff options
Diffstat (limited to 'user_guide_src/source')
| -rw-r--r-- | user_guide_src/source/changelog.rst | 12 | ||||
| -rw-r--r-- | user_guide_src/source/database/results.rst | 7 |
2 files changed, 16 insertions, 3 deletions
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index d652f1cbd..1e602ad1c 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -55,6 +55,13 @@ Release Date: Not Released - Added dsn if the group connections in the config use PDO or any driver which need DSN. - Improved PDO database support. - An optional database name parameter was added db_select(). + - Improved support of the Oracle (OCI8) driver, including: + - Added DSN string support (Easy Connect and TNS). + - 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 @@ -123,6 +130,7 @@ Bug fixes for 3.0 - Fixed a bug (#638) - db_set_charset() ignored its arguments and always used the configured charset and collation instead. - Fixed a bug (#413) - Oracle's _error_message() and _error_number() methods used to only return connection-related errors. - Fixed a bug (#804) - Profiler library was trying to handle objects as strings in some cases, resulting in warnings being issued by htmlspecialchars(). +- 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. Version 2.1.1 ============= @@ -205,11 +213,9 @@ Release Date: November 14, 2011 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 @@ -1208,7 +1214,7 @@ 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() ===================== |