From 8e89df8f92444eb02dc73b6c3e66077a4fb3f710 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 03:48:12 +0200 Subject: Add db_set_charset() support for PostgreSQL and change its implementation for 'mysql' --- system/database/drivers/mysql/mysql_driver.php | 2 +- system/database/drivers/postgre/postgre_driver.php | 13 +++++++++++++ user_guide_src/source/changelog.rst | 1 + 3 files changed, 15 insertions(+), 1 deletion(-) diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 7108a6db1..84f7791c7 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -147,7 +147,7 @@ class CI_DB_mysql_driver extends CI_DB { * @param string * @return bool */ - public function db_set_charset($charset, $collation) + protected function _db_set_charset($charset, $collation) { return function_exists('mysql_set_charset') ? @mysql_set_charset($charset, $this->conn_id) diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index d6681086a..8df90f6a4 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -146,6 +146,19 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- + /** + * Set client character set + * + * @param string + * @return bool + */ + protected function _db_set_charset($charset) + { + return (pg_set_client_encoding($this->conn_id, $charset) === 0); + } + + // -------------------------------------------------------------------- + /** * Database version number * diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index ca36ecd31..6f3b030a0 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -59,6 +59,7 @@ Release Date: Not Released - Replaced the _error_message() and _error_number() methods with error(), that returns an array containing the last database error code and message. - Improved version() implementation so that drivers that have a native function to get the version number don't have to be defined in the core DB_driver class. - PostgreSQL driver now uses pg_version() to get the database version number, when possible. + - Added db_set_charset() support for PostgreSQL. - Libraries -- cgit v1.2.3-24-g4f1b From 5fa729827d63774457ad34b57109a2f6ab20d20f Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 04:13:20 +0200 Subject: Added _optimize_table() support for PostgreSQL --- system/database/DB_driver.php | 2 +- .../database/drivers/postgre/postgre_utility.php | 35 ++++++++-------------- user_guide_src/source/changelog.rst | 6 ++-- 3 files changed, 17 insertions(+), 26 deletions(-) diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index b41a42051..15195b20a 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -651,7 +651,7 @@ class CI_DB_driver { */ public function is_write_type($sql) { - return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|OPTIMIZE)\s+/i', $sql); + return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|OPTIMIZE|REINDEX)\s+/i', $sql); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php index dffd8c549..c426b363b 100644 --- a/system/database/drivers/postgre/postgre_utility.php +++ b/system/database/drivers/postgre/postgre_utility.php @@ -1,13 +1,13 @@ -db->protect_identifiers($table); } // -------------------------------------------------------------------- @@ -68,13 +62,10 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Repair table query * - * Are table repairs supported in Postgre? - * - * @access private * @param string the table name - * @return object + * @return bool */ - function _repair_table($table) + public function _repair_table($table) { return FALSE; } @@ -84,7 +75,6 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Postgre Export * - * @access private * @param array Preferences * @return mixed */ @@ -95,6 +85,5 @@ class CI_DB_postgre_utility extends CI_DB_utility { } } - /* End of file postgre_utility.php */ -/* Location: ./system/database/drivers/postgre/postgre_utility.php */ \ No newline at end of file +/* Location: ./system/database/drivers/postgre/postgre_utility.php */ diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index 6f3b030a0..cb33336a1 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -58,8 +58,10 @@ Release Date: Not Released - Added an optional database name parameter to db_select(). - Replaced the _error_message() and _error_number() methods with error(), that returns an array containing the last database error code and message. - Improved version() implementation so that drivers that have a native function to get the version number don't have to be defined in the core DB_driver class. - - PostgreSQL driver now uses pg_version() to get the database version number, when possible. - - Added db_set_charset() support for PostgreSQL. + - Improved support of the PostgreSQL driver, including: + - pg_version() is now used to get the database version number, when possible. + - Added db_set_charset() support. + - Added _optimize_table() support for the :doc:`Database Utility Class ` (rebuilds table indexes). - Libraries -- cgit v1.2.3-24-g4f1b From a19beb0c580ac78c4b75548a046240a85f30cb29 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 04:20:50 +0200 Subject: Replace usage of legacy alias pg_exec() in favor of pg_query() and improve PostgreSQL driver trans_*() methods --- system/database/drivers/postgre/postgre_driver.php | 38 ++++++---------------- 1 file changed, 10 insertions(+), 28 deletions(-) diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 8df90f6a4..df0f50da5 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -222,18 +222,12 @@ class CI_DB_postgre_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -241,9 +235,9 @@ class CI_DB_postgre_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); - return @pg_exec($this->conn_id, "begin"); + return @pg_query($this->conn_id, 'BEGIN'); } // -------------------------------------------------------------------- @@ -251,23 +245,17 @@ class CI_DB_postgre_driver extends CI_DB { /** * Commit Transaction * - * @access public * @return bool */ - function trans_commit() + public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } - return @pg_exec($this->conn_id, "commit"); + return @pg_query($this->conn_id, 'COMMIT'); } // -------------------------------------------------------------------- @@ -275,23 +263,17 @@ class CI_DB_postgre_driver extends CI_DB { /** * Rollback Transaction * - * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } - return @pg_exec($this->conn_id, "rollback"); + return @pg_query($this->conn_id, 'ROLLBACK'); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b