/usr/share/phpmyadmin/libraries/classes/Plugins/Schema
Edit: /usr/share/phpmyadmin/libraries/classes/Plugins/Schema/TableStats.php (6193B)
diagram = $diagram;
$this->db = $db;
$this->pageNumber = $pageNumber;
$this->tableName = $tableName;
$this->showKeys = $showKeys;
$this->tableDimension = $tableDimension;
$this->offline = $offline;
$this->relation = new Relation($dbi);
$this->font = new Font();
// checks whether the table exists
// and loads fields
$this->validateTableAndLoadFields();
// load table coordinates
$this->loadCoordinates();
// loads display field
$this->loadDisplayField();
// loads primary keys
$this->loadPrimaryKey();
}
/**
* Validate whether the table exists.
*
* @return void
*/
protected function validateTableAndLoadFields()
{
global $dbi;
$sql = 'DESCRIBE ' . Util::backquote($this->tableName);
$result = $dbi->tryQuery(
$sql,
DatabaseInterface::CONNECT_USER,
DatabaseInterface::QUERY_STORE
);
if (! $result || ! $dbi->numRows($result)) {
$this->showMissingTableError();
}
if ($this->showKeys) {
$indexes = Index::getFromTable($this->tableName, $this->db);
$all_columns = [];
foreach ($indexes as $index) {
$all_columns = array_merge(
$all_columns,
array_flip(array_keys($index->getColumns()))
);
}
$this->fields = array_keys($all_columns);
} else {
while ($row = $dbi->fetchRow($result)) {
$this->fields[] = $row[0];
}
}
}
/**
* Displays an error when the table cannot be found.
*
* @return void
*
* @abstract
*/
abstract protected function showMissingTableError();
/**
* Loads coordinates of a table
*
* @return void
*/
protected function loadCoordinates()
{
if (! isset($_POST['t_h'])) {
return;
}
foreach ($_POST['t_h'] as $key => $value) {
$db = rawurldecode($_POST['t_db'][$key]);
$tbl = rawurldecode($_POST['t_tbl'][$key]);
if ($this->db . '.' . $this->tableName === $db . '.' . $tbl) {
$this->x = (float) $_POST['t_x'][$key];
$this->y = (float) $_POST['t_y'][$key];
break;
}
}
}
/**
* Loads the table's display field
*
* @return void
*/
protected function loadDisplayField()
{
$this->displayfield = $this->relation->getDisplayField($this->db, $this->tableName);
}
/**
* Loads the PRIMARY key.
*
* @return void
*/
protected function loadPrimaryKey()
{
global $dbi;
$result = $dbi->query(
'SHOW INDEX FROM ' . Util::backquote($this->tableName) . ';',
DatabaseInterface::CONNECT_USER,
DatabaseInterface::QUERY_STORE
);
if ($dbi->numRows($result) <= 0) {
return;
}
while ($row = $dbi->fetchAssoc($result)) {
if ($row['Key_name'] !== 'PRIMARY') {
continue;
}
$this->primary[] = $row['Column_name'];
}
}
/**
* Returns title of the current table,
* title can have the dimensions/co-ordinates of the table
*
* @return string title of the current table
*/
protected function getTitle()
{
return ($this->tableDimension
? sprintf('%.0fx%0.f', $this->width, $this->heightCell)
: ''
)
. ' ' . $this->tableName;
}
}