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| author | Igor Wiedler <igor@wiedler.ch> | 2013-07-14 11:34:58 -0400 |
|---|---|---|
| committer | Igor Wiedler <igor@wiedler.ch> | 2013-07-14 11:34:58 -0400 |
| commit | f6865dc33a8cedb7d21a64401ed80d2edbac36bd (patch) | |
| tree | 66aa645c4d86636f0bce04a7125a7757a466b224 /phpBB/phpbb/db/driver/mysql_base.php | |
| parent | fa3cdb6bf2cfdca9c26168bd258752718bc8a43f (diff) | |
| parent | c15bde161a93fc2abc48cacd7e5a71c682880e52 (diff) | |
| download | forums-f6865dc33a8cedb7d21a64401ed80d2edbac36bd.tar forums-f6865dc33a8cedb7d21a64401ed80d2edbac36bd.tar.gz forums-f6865dc33a8cedb7d21a64401ed80d2edbac36bd.tar.bz2 forums-f6865dc33a8cedb7d21a64401ed80d2edbac36bd.tar.xz forums-f6865dc33a8cedb7d21a64401ed80d2edbac36bd.zip | |
Merge remote-tracking branch 'upstream/develop' into ticket/11574
* upstream/develop: (575 commits)
[ticket/11702] Fix forum_posts left over for link-click counts in viewforum.php
[ticket/11696] Move file to new directory
[ticket/11696] Rename constructor to __construct()
[ticket/11696] Remove manual loading of db_tools in extension controller test
[ticket/11696] Rename db_tools.php so it can be autoloaded
[ticket/11698] Moving all autoloadable files to phpbb/
[ticket/11694] Do not locate assets with root path
[ticket/11692] Don't update search_type in dev migration if already appended
[ticket/11675] Fix template loop
[ticket/11690] Old module class names may get autoloaded by class_exists
[ticket/9649] Display information on index for moderators on unapproved posts
[ticket/10999] Fix assets_version in ACP
[prep-release-3.0.12] More changelog items for the 3.0.12 release.
[ticket/11687] Add assets_version to phpbb_config
[ticket/11686] Not checking for phpBB Debug errors on functional tests
[ticket/11670] Consistency with logo: Replace "phpBB(tm)" with "phpBB(R)".
[ticket/11674] Do not include vendor folder if there are no dependencies.
[ticket/11685] Remove logout confirmation page
[ticket/11684] Remove useless confirmation page after login and admin login
[ticket/9657] Define user before injecting
...
Conflicts:
phpBB/includes/functions_container.php
phpBB/install/database_update.php
phpBB/install/index.php
Diffstat (limited to 'phpBB/phpbb/db/driver/mysql_base.php')
| -rw-r--r-- | phpBB/phpbb/db/driver/mysql_base.php | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/phpBB/phpbb/db/driver/mysql_base.php b/phpBB/phpbb/db/driver/mysql_base.php new file mode 100644 index 0000000000..ba44ea61aa --- /dev/null +++ b/phpBB/phpbb/db/driver/mysql_base.php @@ -0,0 +1,145 @@ +<?php +/** +* +* @package dbal +* @copyright (c) 2013 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +/** +* Abstract MySQL Database Base Abstraction Layer +* @package dbal +*/ +abstract class phpbb_db_driver_mysql_base extends phpbb_db_driver +{ + /** + * {@inheritDoc} + */ + public function sql_concatenate($expr1, $expr2) + { + return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')'; + } + + /** + * Build LIMIT query + */ + function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) + { + $this->query_result = false; + + // if $total is set to 0 we do not want to limit the number of rows + if ($total == 0) + { + // MySQL 4.1+ no longer supports -1 in limit queries + $total = '18446744073709551615'; + } + + $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total); + + return $this->sql_query($query, $cache_ttl); + } + + /** + * Gets the estimated number of rows in a specified table. + * + * @param string $table_name Table name + * + * @return string Number of rows in $table_name. + * Prefixed with ~ if estimated (otherwise exact). + * + * @access public + */ + function get_estimated_row_count($table_name) + { + $table_status = $this->get_table_status($table_name); + + if (isset($table_status['Engine'])) + { + if ($table_status['Engine'] === 'MyISAM') + { + return $table_status['Rows']; + } + else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000) + { + return '~' . $table_status['Rows']; + } + } + + return parent::get_row_count($table_name); + } + + /** + * Gets the exact number of rows in a specified table. + * + * @param string $table_name Table name + * + * @return string Exact number of rows in $table_name. + * + * @access public + */ + function get_row_count($table_name) + { + $table_status = $this->get_table_status($table_name); + + if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM') + { + return $table_status['Rows']; + } + + return parent::get_row_count($table_name); + } + + /** + * Gets some information about the specified table. + * + * @param string $table_name Table name + * + * @return array + * + * @access protected + */ + function get_table_status($table_name) + { + $sql = "SHOW TABLE STATUS + LIKE '" . $this->sql_escape($table_name) . "'"; + $result = $this->sql_query($sql); + $table_status = $this->sql_fetchrow($result); + $this->sql_freeresult($result); + + return $table_status; + } + + /** + * Build LIKE expression + * @access private + */ + function _sql_like_expression($expression) + { + return $expression; + } + + /** + * Build db-specific query data + * @access private + */ + function _sql_custom_build($stage, $data) + { + switch ($stage) + { + case 'FROM': + $data = '(' . $data . ')'; + break; + } + + return $data; + } +} |