adodb-pdo_mysql.inc.php
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<?php
/*
V4.96 24 Sept 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence.
Set tabs to 8.
*/
class ADODB_pfazer_mysql extends ADODB_pdo {
var $metaTablesSQL = "SHOW TABLES";
var $metaColumnsSQL = "SHOW COLUMNS FROM `%s`";
var $sysDate = 'CURDATE()';
var $sysTimeStamp = 'NOW()';
var $nameQuote = '`';
function _init($superiorDriver)
{
$superiorDriver->hasTransactions = false;
$superiorDriver->_bindInputArray = false;
$superiorDriver->hasInsertID = true;
$superiorDriver->_connectionID->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY,true);
}
// diaFraction is a dia in floating point
function OffsetData($diaFraction,$data=false)
{
if (!$data) $data = $this->sysDate;
$fraction = $diaFraction * 24 * 3600;
return $data . ' + INTERVAL ' . $fraction.' SECOND';
// return "from_unixtime(unix_timestamp($data)+$fraction)";
}
function ServerInfo()
{
$arr['description'] = ADOConnection::GetOne("select version()");
$arr['version'] = ADOConnection::_findvers($arr['description']);
return $arr;
}
function &MetaTables($ttype=false,$mostrarSchema=false,$mask=false)
{
$save = $this->metaTablesSQL;
if ($mostrarSchema && is_string($mostrarSchema)) {
$this->metaTablesSQL .= " from $mostrarSchema";
}
if ($mask) {
$mask = $this->qstr($mask);
$this->metaTablesSQL .= " like $mask";
}
$ret =& ADOConnection::MetaTables($ttype,$mostrarSchema);
$this->metaTablesSQL = $save;
return $ret;
}
function SetTransactionMode( $transaction_mode )
{
$this->_transmode = $transaction_mode;
if (empty($transaction_mode)) {
$this->Execute('SET TRANSACTION ISOLATION LEVEL REPEATABLE READ');
return;
}
if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
$this->Execute("SET SESSION TRANSACTION ".$transaction_mode);
}
function &MetaColumns($table)
{
$this->_findschema($table,$schema);
if ($schema) {
$dbName = $this->database;
$this->SelectDB($schema);
}
global $ADODB_FETCH_MODE;
$save = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
$rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
if ($schema) {
$this->SelectDB($dbName);
}
if (isset($savem)) $this->SetFetchMode($savem);
$ADODB_FETCH_MODE = $save;
if (!is_object($rs)) {
$false = false;
return $false;
}
$retarr = array();
while (!$rs->EOF){
$fld = new ADOFieldObject();
$fld->name = $rs->fields[0];
$type = $rs->fields[1];
// split type into type(length):
$fld->scale = null;
if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) {
$fld->type = $query_array[1];
$fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
$fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1;
} elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) {
$fld->type = $query_array[1];
$fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
} elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) {
$fld->type = $query_array[1];
$arr = explode(",",$query_array[2]);
$fld->enums = $arr;
$zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6
$fld->max_length = ($zlen > 0) ? $zlen : 1;
} else {
$fld->type = $type;
$fld->max_length = -1;
}
$fld->not_null = ($rs->fields[2] != 'YES');
$fld->primary_key = ($rs->fields[3] == 'PRI');
$fld->auto_increment = (strpos($rs->fields[5], 'auto_increment') !== false);
$fld->binary = (strpos($type,'blob') !== false);
$fld->unsigned = (strpos($type,'unsigned') !== false);
if (!$fld->binary) {
$d = $rs->fields[4];
if ($d != '' && $d != 'NULL') {
$fld->has_default = true;
$fld->valor_padrao = $d;
} else {
$fld->has_default = false;
}
}
if ($save == ADODB_FETCH_NUM) {
$retarr[] = $fld;
} else {
$retarr[strtoupper($fld->name)] = $fld;
}
$rs->MoveNext();
}
$rs->Close();
return $retarr;
}
// parameters use PostgreSQL convention, not MySQL
function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0)
{
$offsetStr =($offset>=0) ? "$offset," : '';
// jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220
if ($nrows < 0) $nrows = '18446744073709551615';
if ($secs)
$rs =& $this->CacheExecute($secs,$sql." LIMIT $offsetStr$nrows",$inputarr);
else
$rs =& $this->Execute($sql." LIMIT $offsetStr$nrows",$inputarr);
return $rs;
}
}
?>