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<?php
/**
* ADOdb PDO dblib driver.
*
* 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.
*
* @version v5.21.1-dev Unreleased
* @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
* @copyright (c) 2019 Damien Regad, Mark Newnham and the ADOdb community
*/
class ADODB_pdo_dblib extends ADODB_pdo
{
var $hasTop = 'top';
var $sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
var $sysTimeStamp = 'GetDate()';
var $metaDatabasesSQL = "select name from sysdatabases where name <> 'master'";
var $metaTablesSQL="select name,case when type='U' then 'T' else 'V' end from sysobjects where (type='U' or type='V') and (name not in ('sysallocations','syscolumns','syscomments','sysdepends','sysfilegroups','sysfiles','sysfiles1','sysforeignkeys','sysfulltextcatalogs','sysindexes','sysindexkeys','sysmembers','sysobjects','syspermissions','sysprotects','sysreferences','systypes','sysusers','sysalternates','sysconstraints','syssegments','REFERENTIAL_CONSTRAINTS','CHECK_CONSTRAINTS','CONSTRAINT_TABLE_USAGE','CONSTRAINT_COLUMN_USAGE','VIEWS','VIEW_TABLE_USAGE','VIEW_COLUMN_USAGE','SCHEMATA','TABLES','TABLE_CONSTRAINTS','TABLE_PRIVILEGES','COLUMNS','COLUMN_DOMAIN_USAGE','COLUMN_PRIVILEGES','DOMAINS','DOMAIN_CONSTRAINTS','KEY_COLUMN_USAGE','dtproperties'))";
var $metaColumnsSQL = "SELECT c.NAME, OBJECT_NAME(c.id) as tbl_name, c.length, c.isnullable, c.status, ( CASE WHEN c.xusertype=61 THEN 0 ELSE c.xprec END), ( CASE WHEN c.xusertype=61 THEN 0 ELSE c.xscale END), ISNULL(i.is_primary_key, 0) as primary_key FROM syscolumns c INNER JOIN systypes t ON t.xusertype=c.xusertype INNER JOIN sysobjects o ON o.id=c.id LEFT JOIN sys.index_columns ic ON ic.object_id = c.id AND c.colid = ic.column_id LEFT JOIN sys.indexes i ON i.object_id = ic.object_id AND i.index_id = ic.index_id WHERE c.id = OBJECT_ID('%s') ORDER by c.colid";
function _init(ADODB_pdo $parentDriver)
{
$parentDriver->hasTransactions = true;
$parentDriver->_bindInputArray = true;
$parentDriver->hasInsertID = true;
$parentDriver->fmtTimeStamp = "'Y-m-d H:i:s'";
$parentDriver->fmtDate = "'Y-m-d'";
}
function BeginTrans()
{
$returnval = parent::BeginTrans();
return $returnval;
}
function MetaColumns($table, $normalize=true)
{
$this->_findschema($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];
$fld->type = $rs->fields[1];
$fld->primary_key = $rs->fields[7];
$fld->not_null = (!$rs->fields[3]);
$fld->auto_increment = ($rs->fields[4] == 128); // sys.syscolumns status field. 0x80 = 128 ref: http://msdn.microsoft.com/en-us/library/ms186816.aspx
if (isset($rs->fields[5]) && $rs->fields[5]) {
if ($rs->fields[5]>0) $fld->max_length = $rs->fields[5];
$fld->scale = $rs->fields[6];
if ($fld->scale>0) $fld->max_length += 1;
} else
$fld->max_length = $rs->fields[2];
if ($save == ADODB_FETCH_NUM) {
$retarr[] = $fld;
} else {
$retarr[strtoupper($fld->name)] = $fld;
}
$rs->MoveNext();
}
$rs->Close();
return $retarr;
}
function MetaTables($ttype=false,$showSchema=false,$mask=false)
{
if ($mask) {
$save = $this->metaTablesSQL;
$mask = $this->qstr(($mask));
$this->metaTablesSQL .= " AND name like $mask";
}
$ret = ADOConnection::MetaTables($ttype,$showSchema);
if ($mask) {
$this->metaTablesSQL = $save;
}
return $ret;
}
function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
{
if ($nrows > 0 && $offset <= 0) {
$sql = preg_replace(
'/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
if ($secs2cache)
$rs = $this->CacheExecute($secs2cache, $sql, $inputarr);
else
$rs = $this->Execute($sql,$inputarr);
} else
$rs = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
return $rs;
}
function _query($sql,$inputarr=false)
{
$this->_connectionID->setAttribute(\PDO::ATTR_EMULATE_PREPARES , true);
if (is_array($sql)) {
$stmt = $sql[1];
} else {
$stmt = $this->_connectionID->prepare($sql);
}
if ($stmt) {
$this->_driver->debug = $this->debug;
if ($inputarr) {
foreach ($inputarr as $key => $value) {
if(gettype($key) == 'integer') {
$key += 1;
}
$stmt->bindValue($key, $value, $this->GetPDODataType($value));
}
}
}
$ok = $stmt->execute();
$this->_errormsg = false;
$this->_errorno = false;
if ($ok) {
$this->_stmt = $stmt;
return $stmt;
}
if ($stmt) {
$arr = $stmt->errorinfo();
if ((integer)$arr[1]) {
$this->_errormsg = $arr[2];
$this->_errorno = $arr[1];
}
} else {
$this->_errormsg = false;
$this->_errorno = false;
}
return false;
}
private function GetPDODataType($var)
{
if(gettype($var) == 'integer') {
return PDO::PARAM_INT ;
}
return PDO::PARAM_STR;
}
function ServerInfo()
{
return ADOConnection::ServerInfo();
}
}
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