WordPress database error: [$str]
$query
We have been unable to connect to the specified database.
The error message received was %s"), $this->dbh->errorInfo()));
return;
}
$is_enabled_foreign_keys = @$this->get_var('PRAGMA foreign_keys');
if ($is_enabled_foreign_keys == '0') @$this->query('PRAGMA foreign_keys = ON');
$this->ready = true;
}
/**
* Method to dummy out wpdb::check_connection()
*
*/
function check_connection($allow_bail=true) {
return true;
}
/**
* Method to execute the query.
*
* This overrides wpdb::query(). In fact, this method does all the database
* access jobs.
*
* @see wpdb::query()
*/
function query($query) {
if (!$this->ready)
return false;
$query = apply_filters('query', $query);
$return_val = 0;
$this->flush();
$this->func_call = "\$db->query(\"$query\")";
$this->last_query = $query;
if (defined('SAVEQUERIES') && SAVEQUERIES)
$this->timer_start();
$this->result = $this->dbh->query($query);
$this->num_queries++;
if (defined('SAVEQUERIES') && SAVEQUERIES)
$this->queries[] = array($query, $this->timer_stop(), $this->get_caller());
if ($this->last_error = $this->dbh->get_error_message()) {
if (defined('WP_INSTALLING') && WP_INSTALLING) {
//$this->suppress_errors();
} else {
$this->print_error($this->last_error);
return false;
}
}
if (preg_match('/^\\s*(create|alter|truncate|drop|optimize)\\s*/i', $query)) {
//$return_val = $this->result;
$return_val = $this->dbh->get_return_value();
} elseif (preg_match('/^\\s*(insert|delete|update|replace)\s/i', $query)) {
$this->rows_affected = $this->dbh->get_affected_rows();
if (preg_match('/^\s*(insert|replace)\s/i', $query)) {
$this->insert_id = $this->dbh->get_insert_id();
}
$return_val = $this->rows_affected;
} else {
$this->last_result = $this->dbh->get_query_results();
$this->num_rows = $this->dbh->get_num_rows();
$return_val = $this->num_rows;
}
return $return_val;
}
/**
*
*/
private function _do_query($query) {
if (defined('SAVEQUERIES') && SAVEQUERIES) {
$this->timer_start();
}
$this->result = $this->dbh->query($query);
$this->num_queries++;
if (defined('SAVEQUERIES') && SAVEQUERIES) {
$this->queries[] = array($query, $this->timer_stop(), $this->get_caller());
}
}
/**
* Method to set the class variable $col_info.
*
* This overrides wpdb::load_col_info(), which uses a mysql function.
*
* @see wpdb::load_col_info()
* @access protected
*/
protected function load_col_info() {
if ($this->col_info)
return;
$this->col_info = $this->dbh->get_columns();
}
/**
* Method to return what the database can do.
*
* This overrides wpdb::has_cap() to avoid using MySQL functions.
* SQLite supports subqueries, but not support collation, group_concat and set_charset.
*
* @see wpdb::has_cap()
*/
function has_cap($db_cap) {
switch(strtolower($db_cap)) {
case 'collation':
case 'group_concat':
case 'set_charset':
return false;
case 'subqueries':
return true;
default:
return false;
}
}
/**
* Method to return database version number.
*
* This overrides wpdb::db_version() to avoid using MySQL function.
* It returns mysql version number, but it means nothing for SQLite.
* So it return the newest mysql version.
*
* @see wpdb::db_version()
*/
function db_version() {
//global $required_mysql_version;
//return $required_mysql_version;
return '5.5';
}
}
/*
* Initialize $wpdb with PDODB class
*/
if (!isset($wpdb)) {
global $wpdb;
$wpdb = new PDODB();
}
?>