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| author | Oleg Pudeyev <oleg@bsdpower.com> | 2012-03-08 08:44:24 -0500 |
|---|---|---|
| committer | Oleg Pudeyev <oleg@bsdpower.com> | 2012-03-08 08:44:24 -0500 |
| commit | d380a1a36ffd5b2de6e403eb63f8754d8a277386 (patch) | |
| tree | 167e903aad4f7408a131426112a065c19ade0b56 /phpBB/includes/db/mysqli.php | |
| parent | d67fae0f09b339dc0f399062dd228fba94e5aaa0 (diff) | |
| parent | c11607bdd1ad4209a7697f0dc8d46ea81795b14c (diff) | |
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Merge remote-tracking branch 'bantu/ticket/9813' into develop-olympus
* bantu/ticket/9813:
[ticket/10653] Call get_row_count of base class in mysql get_estimated_row_count
[ticket/9813] Only get posts table row count if we detected a fulltext index.
[ticket/9813] Also use estimated row count of posts table for fulltext mysql.
[ticket/10653] Fix parameter to substr() in unit tests. Should be 1, not -1.
[ticket/10653] Unit tests for get_row_count() and get_estimated_row_count().
[ticket/10653] Add ability to count table rows to database abstraction layer.
[ticket/9813] Use table status row count only if greater than 100000 or exact.
[ticket/9813] Use SHOW TABLE STATUS to get search stats for native on MySQL.
Diffstat (limited to 'phpBB/includes/db/mysqli.php')
| -rw-r--r-- | phpBB/includes/db/mysqli.php | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/phpBB/includes/db/mysqli.php b/phpBB/includes/db/mysqli.php index 456ce906d0..a311b8cda6 100644 --- a/phpBB/includes/db/mysqli.php +++ b/phpBB/includes/db/mysqli.php @@ -316,6 +316,76 @@ class dbal_mysqli extends dbal } /** + * 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 */ |