Your IP : 3.140.196.166
<?php
class CPerfomanceTableList extends CDBResult
{
public static function GetList($bFull = true)
{
global $DB;
$rsTables = $DB->Query("
select
table_name
,pg_table_size(quote_ident(table_name)) data_length
,pg_indexes_size(quote_ident(table_name)) index_length
,pg_catalog.pg_class.reltuples row_count
from
information_schema.tables
left join pg_catalog.pg_class on pg_catalog.pg_class.oid = quote_ident(table_name)::regclass::oid
where
table_schema = 'public'
" . ($bFull ? '' : "and table_catalog = '" . $DB->ForSql($DB->DBName) . "'") . '
');
return new CPerfomanceTableList($rsTables);
}
public function Fetch()
{
$ar = parent::Fetch();
if ($ar)
{
$ar = [
'TABLE_NAME' => $ar['TABLE_NAME'],
'ENGINE_TYPE' => '',
'NUM_ROWS' => $ar['ROW_COUNT'],
'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, '`');
return $DB->TableExists($TABLE_NAME);
}
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))
{
$tableColumns = [];
$r = $DB->Query("
SELECT a.attnum, a.attname
FROM pg_class t
LEFT JOIN pg_attribute a ON a.attrelid = t.oid
WHERE t.relname = '" . $DB->ForSql($TABLE_NAME) . "'
");
while ($a = $r->fetch())
{
if ($a['ATTNUM'] > 0)
{
$tableColumns[$a['ATTNUM']] = $a['ATTNAME'];
}
}
$r = $DB->Query("
SELECT relname, indkey, pg_get_expr(pg_index.indexprs, pg_index.indrelid) full_text
FROM pg_class, pg_index
WHERE pg_class.oid = pg_index.indexrelid
AND pg_class.oid IN (
SELECT indexrelid
FROM pg_index, pg_class
WHERE pg_class.relname = '" . $DB->ForSql($TABLE_NAME) . "'
AND pg_class.oid = pg_index.indrelid
)
");
$arResult = [];
while ($a = $r->fetch())
{
$arResult[$a['RELNAME']] = [];
if ($a['FULL_TEXT'])
{
$match = [];
if (preg_match_all('/,\s*([a-z0-9_]+)/i', $a['FULL_TEXT'], $match))
{
foreach ($match[1] as $i => $colName)
{
$arResult[$a['RELNAME']][$i] = mb_strtoupper($colName);
}
}
}
else
{
foreach (explode(' ', $a['INDKEY']) as $i => $indkey)
{
$arResult[$a['RELNAME']][$i] = mb_strtoupper($tableColumns[$indkey]);
}
}
}
$cache[$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))
{
$tableColumns = [];
$r = $DB->Query("
SELECT a.attnum, a.attname
FROM pg_class t
LEFT JOIN pg_attribute a ON a.attrelid = t.oid
WHERE t.relname = '" . $DB->ForSql($TABLE_NAME) . "'
");
while ($a = $r->fetch())
{
if ($a['ATTNUM'] > 0)
{
$tableColumns[$a['ATTNUM']] = $a['ATTNAME'];
}
}
$r = $DB->Query("
SELECT relname, indkey, pg_get_expr(pg_index.indexprs, pg_index.indrelid) full_text
FROM pg_class, pg_index
WHERE pg_class.oid = pg_index.indexrelid
AND pg_class.oid IN (
SELECT indexrelid
FROM pg_index, pg_class
WHERE pg_class.relname = '" . $DB->ForSql($TABLE_NAME) . "'
AND pg_class.oid = pg_index.indrelid
)
AND (indisprimary OR indisunique)
");
$arResult = [];
while ($a = $r->fetch())
{
$arResult[$a['RELNAME']] = [];
if ($a['FULL_TEXT'])
{
$match = [];
if (preg_match_all('/,\s*([a-z0-9_]+)/i', $a['FULL_TEXT'], $match))
{
foreach ($match[1] as $i => $colName)
{
$arResult[$a['RELNAME']][$i] = mb_strtoupper($colName);
}
}
}
else
{
foreach (explode(' ', $a['INDKEY']) as $i => $indkey)
{
$arResult[$a['RELNAME']][$i] = mb_strtoupper($tableColumns[$indkey]);
}
}
}
$cache[$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 = "
SELECT *
FROM information_schema.columns
WHERE table_schema = 'public'
AND table_name = '" . $DB->ForSql($TABLE_NAME) . "'
";
$rs = $DB->Query($strSql);
$arResult = [];
$arResultExt = [];
while ($ar = $rs->Fetch())
{
$canSort = true;
$match = [];
switch ($ar['DATA_TYPE'])
{
case 'character varying':
$DATA_TYPE = 'string';
$ORM_DATA_TYPE = 'string';
break;
case 'character':
$DATA_TYPE = 'string';
if (
$ar['CHARACTER_MAXIMUM_LENGTH'] == 1
&& (
substr($ar['COLUMN_DEFAULT'], 0, 3) === "'N'"
|| substr($ar['COLUMN_DEFAULT'], 0, 3) === "'Y'"
)
)
{
$ar['COLUMN_DEFAULT'] = $ar['COLUMN_DEFAULT'][1];
$ORM_DATA_TYPE = 'boolean';
}
else
{
$ORM_DATA_TYPE = 'string';
}
break;
case 'text':
case 'bytea':
$canSort = false;
$DATA_TYPE = 'string';
$ORM_DATA_TYPE = 'string';
break;
case 'bigint':
case 'bigserial':
case 'int':
case 'int2':
case 'int4':
case 'int8':
case 'integer':
case 'serial':
case 'serial2':
case 'serial4':
case 'serial8':
case 'smallint':
case 'smallserial':
$DATA_TYPE = 'int';
$ORM_DATA_TYPE = 'integer';
break;
case 'double precision':
case 'float4':
case 'float8':
case 'numeric':
case 'real':
$DATA_TYPE = 'double';
$ORM_DATA_TYPE = 'float';
break;
case 'timestamp without time zone':
$DATA_TYPE = 'datetime';
$ORM_DATA_TYPE = 'datetime';
break;
case 'date':
$DATA_TYPE = 'date';
$ORM_DATA_TYPE = 'date';
break;
default:
$canSort = false;
$DATA_TYPE = 'unknown';
$ORM_DATA_TYPE = 'UNKNOWN';
break;
}
$arResult[mb_strtoupper($ar['COLUMN_NAME'])] = $DATA_TYPE;
$arResultExt[mb_strtoupper($ar['COLUMN_NAME'])] = [
'type' => $DATA_TYPE,
'length' => $ar['CHARACTER_MAXIMUM_LENGTH'],
'nullable' => $ar['IS_NULLABLE'] !== 'NO',
'default' => preg_match('/^\'(.*)\'::/', $ar['COLUMN_DEFAULT'], $match) ? $match[1] : $ar['COLUMN_DEFAULT'],
'sortable' => $canSort,
'orm_type' => $ORM_DATA_TYPE,
'increment' => strpos($ar['COLUMN_DEFAULT'], 'nextval(') !== false || $ar['IS_IDENTITY'] === 'YES',
'info' => $ar,
];
}
$cache[$TABLE_NAME] = [$arResult, $arResultExt];
}
if ($bExtended)
{
return $cache[$TABLE_NAME][1];
}
else
{
return $cache[$TABLE_NAME][0];
}
}
public static function escapeColumn($column)
{
return '"' . str_replace('"', '""', mb_strtolower($column)) . '"';
}
public static function escapeTable($tableName)
{
return '"' . str_replace('"', '""', mb_strtolower($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);
}
}