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<?php
class CPerfomanceTableList extends CDBResult
{
public static function GetList($bFull = true)
{
global $DB;
if ($bFull)
{
$rsTables = $DB->Query('show table status');
}
else
{
$rsTables = $DB->Query('show tables from ' . CPerfomanceTable::escapeTable($DB->DBName));
}
return new CPerfomanceTableList($rsTables);
}
public function Fetch()
{
global $DB;
$ar = parent::Fetch();
if ($ar)
{
if (isset($ar['Tables_in_' . $DB->DBName]))
{
$ar = [
'TABLE_NAME' => $ar['Tables_in_' . $DB->DBName],
'ENGINE_TYPE' => '',
'NUM_ROWS' => '',
'BYTES' => '',
'BYTES_INDEX' => '',
];
}
else
{
$ar = [
'TABLE_NAME' => $ar['Name'],
'ENGINE_TYPE' => $ar['Comment'] === 'VIEW' ? 'VIEW' : $ar['Engine'],
'NUM_ROWS' => $ar['Rows'],
'BYTES' => $ar['Data_length'],
'BYTES_INDEX' => $ar['Index_length'],
];
}
}
return $ar;
}
}
class CPerfomanceTable extends CAllPerfomanceTable
{
public function Init($TABLE_NAME)
{
$TABLE_NAME = trim($TABLE_NAME, '`');
$this->TABLE_NAME = $TABLE_NAME;
}
public function IsExists($TABLE_NAME = false)
{
global $DB;
if ($TABLE_NAME === false)
{
$TABLE_NAME = $this->TABLE_NAME;
}
if ($TABLE_NAME == '')
{
return false;
}
$TABLE_NAME = trim($TABLE_NAME, '`');
$strSql = "
SHOW TABLES LIKE '" . $DB->ForSql($TABLE_NAME) . "'
";
$rs = $DB->Query($strSql);
if ($rs->Fetch())
{
return true;
}
else
{
return false;
}
}
public function GetIndexes($TABLE_NAME = false)
{
global $DB;
static $cache = [];
if ($TABLE_NAME === false)
{
$TABLE_NAME = $this->TABLE_NAME;
}
if ($TABLE_NAME == '')
{
return [];
}
$TABLE_NAME = trim($TABLE_NAME, '`');
if (!array_key_exists($TABLE_NAME, $cache))
{
$strSql = 'SHOW INDEXES FROM ' . static::escapeTable($TABLE_NAME);
$arResult = [];
$rsInd = $DB->Query($strSql, true);
if ($rsInd)
{
while ($arInd = $rsInd->Fetch())
{
$arResult[$arInd['Key_name']][$arInd['Seq_in_index']] = $arInd['Column_name'];
}
}
$cache[$TABLE_NAME] = $arResult;
}
return $cache[$TABLE_NAME];
}
public function GetUniqueIndexes($TABLE_NAME = false)
{
global $DB;
static $cache = [];
if ($TABLE_NAME === false)
{
$TABLE_NAME = $this->TABLE_NAME;
}
if ($TABLE_NAME == '')
{
return [];
}
$TABLE_NAME = trim($TABLE_NAME, '`');
if (!array_key_exists($TABLE_NAME, $cache))
{
$strSql = 'SHOW INDEXES FROM ' . static::escapeTable($TABLE_NAME);
$arResult = [];
$rsInd = $DB->Query($strSql, true);
if ($rsInd)
{
while ($arInd = $rsInd->Fetch())
{
if (!$arInd['Non_unique'])
{
$arResult[$arInd['Key_name']][$arInd['Seq_in_index']] = $arInd['Column_name'];
}
}
}
$cache[$TABLE_NAME] = $arResult;
}
return $cache[$TABLE_NAME];
}
public function GetTableFields($TABLE_NAME = false, $bExtended = false)
{
static $cache = [];
if ($TABLE_NAME === false)
{
$TABLE_NAME = $this->TABLE_NAME;
}
if ($TABLE_NAME == '')
{
return false;
}
$TABLE_NAME = trim($TABLE_NAME, '`');
if (!array_key_exists($TABLE_NAME, $cache))
{
global $DB;
$strSql = 'SHOW COLUMNS FROM ' . static::escapeTable($TABLE_NAME);
$rs = $DB->Query($strSql);
$arResult = [];
$arResultExt = [];
while ($ar = $rs->Fetch())
{
$canSort = true;
$match = [];
if (preg_match('/^(varchar|char|varbinary)\\((\\d+)\\)/', $ar['Type'], $match))
{
$ar['DATA_TYPE'] = 'string';
$ar['DATA_LENGTH'] = $match[2];
if ($match[2] == 1 && ($ar['Default'] === 'N' || $ar['Default'] === 'Y'))
{
$ar['ORM_DATA_TYPE'] = 'boolean';
}
else
{
$ar['ORM_DATA_TYPE'] = 'string';
}
}
elseif (preg_match('/^(varchar|char)/', $ar['Type']))
{
$ar['DATA_TYPE'] = 'string';
$ar['ORM_DATA_TYPE'] = 'string';
}
elseif (preg_match('/^(text|longtext|mediumtext|longblob|mediumblob|blob)/', $ar['Type']))
{
$canSort = false;
$ar['DATA_TYPE'] = 'string';
$ar['ORM_DATA_TYPE'] = 'text';
}
elseif (preg_match('/^(datetime|timestamp)/', $ar['Type']))
{
$ar['DATA_TYPE'] = 'datetime';
$ar['ORM_DATA_TYPE'] = 'datetime';
}
elseif (preg_match('/^(date)/', $ar['Type']))
{
$ar['DATA_TYPE'] = 'date';
$ar['ORM_DATA_TYPE'] = 'date';
}
elseif (preg_match('/^(int|smallint|bigint|tinyint)/', $ar['Type']))
{
$ar['DATA_TYPE'] = 'int';
$ar['ORM_DATA_TYPE'] = 'integer';
}
elseif (preg_match('/^(float|double|decimal)/', $ar['Type']))
{
$ar['DATA_TYPE'] = 'double';
$ar['ORM_DATA_TYPE'] = 'float';
}
else
{
$canSort = false;
$ar['DATA_TYPE'] = 'unknown';
$ar['ORM_DATA_TYPE'] = 'UNKNOWN';
}
$arResult[$ar['Field']] = $ar['DATA_TYPE'];
$arResultExt[$ar['Field']] = [
'type' => $ar['DATA_TYPE'],
'length' => $ar['DATA_LENGTH'] ?? null,
'nullable' => $ar['Null'] !== 'NO',
'default' => $ar['Default'],
'sortable' => $canSort,
'orm_type' => $ar['ORM_DATA_TYPE'],
'increment' => ($ar['Extra'] === 'auto_increment'),
'type~' => $ar['Type'],
];
}
$cache[$TABLE_NAME] = [$arResult, $arResultExt];
}
if ($bExtended)
{
return $cache[$TABLE_NAME][1];
}
else
{
return $cache[$TABLE_NAME][0];
}
}
public static function escapeColumn($column)
{
return '`' . str_replace('`', '``', $column) . '`';
}
public static function escapeTable($tableName)
{
return '`' . str_replace('`', '``', $tableName) . '`';
}
public function getCreateIndexDDL($TABLE_NAME, $INDEX_NAME, $INDEX_COLUMNS)
{
$tableFields = $this->GetTableFields($TABLE_NAME, true);
foreach ($INDEX_COLUMNS as $i => $field)
{
if ($tableFields[trim($field, '`[]"')]['orm_type'] === 'text')
{
$INDEX_COLUMNS[$i] = $field . '(100)';
}
}
return parent::getCreateIndexDDL($TABLE_NAME, $INDEX_NAME, $INDEX_COLUMNS);
}
}