_affectedRows = new VARIANT;
}
function ServerInfo()
{
if (!empty($this->_connectionID)) $desc = $this->_connectionID->provider;
return array('description' => $desc, 'version' => '');
}
function _affectedrows()
{
return $this->_affectedRows->value;
}
// you can also pass a connection string like this:
//
// $DB->Connect('USER ID=sa;PASSWORD=pwd;SERVER=mangrove;DATABASE=ai',false,false,'SQLOLEDB');
function _connect($argHostname, $argUsername, $argPassword, $argProvider= 'MSDASQL')
{
$u = 'UID';
$p = 'PWD';
if (!empty($this->charPage))
$dbc = new COM('ADODB.Connection',null,$this->charPage);
else
$dbc = new COM('ADODB.Connection');
if (! $dbc) return false;
/* special support if provider is mssql or access */
if ($argProvider=='mssql') {
$u = 'User Id'; //User parameter name for OLEDB
$p = 'Password';
$argProvider = "SQLOLEDB"; // SQL Server Provider
// not yet
//if ($argDatabasename) $argHostname .= ";Initial Catalog=$argDatabasename";
//use trusted conection for SQL if username not specified
if (!$argUsername) $argHostname .= ";Trusted_Connection=Yes";
} else if ($argProvider=='access')
$argProvider = "Microsoft.Jet.OLEDB.4.0"; // Microsoft Jet Provider
if ($argProvider) $dbc->Provider = $argProvider;
if ($argUsername) $argHostname .= ";$u=$argUsername";
if ($argPassword)$argHostname .= ";$p=$argPassword";
if ($this->debug) ADOConnection::outp( "Host=".$argHostname."
\n version=$dbc->version");
// @ added below for php 4.0.1 and earlier
@$dbc->Open((string) $argHostname);
$this->_connectionID = $dbc;
$dbc->CursorLocation = $this->_cursor_location;
return $dbc->State > 0;
}
// returns true or false
function _pconnect($argHostname, $argUsername, $argPassword, $argProvider='MSDASQL')
{
return $this->_connect($argHostname,$argUsername,$argPassword,$argProvider);
}
/*
adSchemaCatalogs = 1,
adSchemaCharacterSets = 2,
adSchemaCollations = 3,
adSchemaColumns = 4,
adSchemaCheckConstraints = 5,
adSchemaConstraintColumnUsage = 6,
adSchemaConstraintTableUsage = 7,
adSchemaKeyColumnUsage = 8,
adSchemaReferentialContraints = 9,
adSchemaTableConstraints = 10,
adSchemaColumnsDomainUsage = 11,
adSchemaIndexes = 12,
adSchemaColumnPrivileges = 13,
adSchemaTablePrivileges = 14,
adSchemaUsagePrivileges = 15,
adSchemaProcedures = 16,
adSchemaSchemata = 17,
adSchemaSQLLanguages = 18,
adSchemaStatistics = 19,
adSchemaTables = 20,
adSchemaTranslations = 21,
adSchemaProviderTypes = 22,
adSchemaViews = 23,
adSchemaViewColumnUsage = 24,
adSchemaViewTableUsage = 25,
adSchemaProcedureParameters = 26,
adSchemaForeignKeys = 27,
adSchemaPrimaryKeys = 28,
adSchemaProcedureColumns = 29,
adSchemaDBInfoKeywords = 30,
adSchemaDBInfoLiterals = 31,
adSchemaCubes = 32,
adSchemaDimensions = 33,
adSchemaHierarchies = 34,
adSchemaLevels = 35,
adSchemaMeasures = 36,
adSchemaProperties = 37,
adSchemaMembers = 38
*/
function MetaTables()
{
$arr= array();
$dbc = $this->_connectionID;
$adors=@$dbc->OpenSchema(20);//tables
if ($adors){
$f = $adors->Fields(2);//table/view name
$t = $adors->Fields(3);//table type
while (!$adors->EOF){
$tt=substr($t->value,0,6);
if ($tt!='SYSTEM' && $tt !='ACCESS')
$arr[]=$f->value;
//print $f->value . ' ' . $t->value.'
';
$adors->MoveNext();
}
$adors->Close();
}
return $arr;
}
function MetaColumns($table)
{
$table = strtoupper($table);
$arr= array();
$dbc = $this->_connectionID;
$adors=@$dbc->OpenSchema(4);//tables
if ($adors){
$t = $adors->Fields(2);//table/view name
while (!$adors->EOF){
if (strtoupper($t->Value) == $table) {
$fld = new ADOFieldObject();
$c = $adors->Fields(3);
$fld->name = $c->Value;
$fld->type = 'CHAR'; // cannot discover type in ADO!
$fld->max_length = -1;
$arr[strtoupper($fld->name)]=$fld;
}
$adors->MoveNext();
}
$adors->Close();
}
return $arr;
}
/* returns queryID or false */
function &_query($sql,$inputarr=false)
{
$dbc = $this->_connectionID;
// return rs
if ($inputarr) {
if (!empty($this->charPage))
$oCmd = new COM('ADODB.Command',null,$this->charPage);
else
$oCmd = new COM('ADODB.Command');
$oCmd->ActiveConnection = $dbc;
$oCmd->CommandText = $sql;
$oCmd->CommandType = 1;
foreach($inputarr as $val) {
// name, type, direction 1 = input, len,
$this->adoParameterType = 130;
$p = $oCmd->CreateParameter('name',$this->adoParameterType,1,strlen($val),$val);
//print $p->Type.' '.$p->value;
$oCmd->Parameters->Append($p);
}
$p = false;
$rs = $oCmd->Execute();
$e = $dbc->Errors;
if ($dbc->Errors->Count > 0) return false;
return $rs;
}
$rs = @$dbc->Execute($sql,$this->_affectedRows, $this->_execute_option);
/*
$rs = new COM('ADODB.Recordset');
if ($rs) {
$rs->Open ($sql, $dbc, $this->_cursor_type,$this->_lock_type, $this->_execute_option);
}
*/
if ($dbc->Errors->Count > 0) return false;
if (! $rs) return false;
if ($rs->State == 0) return true; // 0 = adStateClosed means no records returned
return $rs;
}
function BeginTrans()
{
if ($this->transOff) return true;
if (isset($this->_thisTransactions))
if (!$this->_thisTransactions) return false;
else {
$o = $this->_connectionID->Properties("Transaction DDL");
$this->_thisTransactions = $o ? true : false;
if (!$o) return false;
}
@$this->_connectionID->BeginTrans();
$this->transCnt += 1;
return true;
}
function CommitTrans($ok=true)
{
if (!$ok) return $this->RollbackTrans();
if ($this->transOff) return true;
@$this->_connectionID->CommitTrans();
if ($this->transCnt) @$this->transCnt -= 1;
return true;
}
function RollbackTrans() {
if ($this->transOff) return true;
@$this->_connectionID->RollbackTrans();
if ($this->transCnt) @$this->transCnt -= 1;
return true;
}
/* Returns: the last error message from previous database operation */
function ErrorMsg()
{
$errc = $this->_connectionID->Errors;
if ($errc->Count == 0) return '';
$err = $errc->Item($errc->Count-1);
return $err->Description;
}
function ErrorNo()
{
$errc = $this->_connectionID->Errors;
if ($errc->Count == 0) return 0;
$err = $errc->Item($errc->Count-1);
return $err->NativeError;
}
// returns true or false
function _close()
{
if ($this->_connectionID) $this->_connectionID->Close();
$this->_connectionID = false;
return true;
}
}
/*--------------------------------------------------------------------------------------
Class Name: Recordset
--------------------------------------------------------------------------------------*/
class ADORecordSet_ado extends ADORecordSet {
var $bind = false;
var $databaseType = "ado";
var $dataProvider = "ado";
var $_tarr = false; // caches the types
var $_flds; // and field objects
var $canSeek = true;
var $hideErrors = true;
function ADORecordSet_ado($id,$mode=false)
{
if ($mode === false) {
global $ADODB_FETCH_MODE;
$mode = $ADODB_FETCH_MODE;
}
$this->fetchMode = $mode;
return $this->ADORecordSet($id,$mode);
}
// returns the field object
function FetchField($fieldOffset = -1) {
$off=$fieldOffset+1; // offsets begin at 1
$o= new ADOFieldObject();
$rs = $this->_queryID;
$f = $rs->Fields($fieldOffset);
$o->name = $f->Name;
$t = $f->Type;
$o->type = $this->MetaType($t);
$o->max_length = $f->DefinedSize;
$o->ado_type = $t;
//print "off=$off name=$o->name type=$o->type len=$o->max_length
";
return $o;
}
/* Use associative array to get fields array */
function Fields($colname)
{
if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname];
if (!$this->bind) {
$this->bind = array();
for ($i=0; $i < $this->_numOfFields; $i++) {
$o = $this->FetchField($i);
$this->bind[strtoupper($o->name)] = $i;
}
}
return $this->fields[$this->bind[strtoupper($colname)]];
}
function _initrs()
{
$rs = $this->_queryID;
$this->_numOfRows = $rs->RecordCount;
$f = $rs->Fields;
$this->_numOfFields = $f->Count;
}
// should only be used to move forward as we normally use forward-only cursors
function _seek($row)
{
$rs = $this->_queryID;
// absoluteposition doesn't work -- my maths is wrong ?
// $rs->AbsolutePosition->$row-2;
// return true;
if ($this->_currentRow > $row) return false;
@$rs->Move((integer)$row - $this->_currentRow-1); //adBookmarkFirst
return true;
}
/*
OLEDB types
enum DBTYPEENUM
{ DBTYPE_EMPTY = 0,
DBTYPE_NULL = 1,
DBTYPE_I2 = 2,
DBTYPE_I4 = 3,
DBTYPE_R4 = 4,
DBTYPE_R8 = 5,
DBTYPE_CY = 6,
DBTYPE_DATE = 7,
DBTYPE_BSTR = 8,
DBTYPE_IDISPATCH = 9,
DBTYPE_ERROR = 10,
DBTYPE_BOOL = 11,
DBTYPE_VARIANT = 12,
DBTYPE_IUNKNOWN = 13,
DBTYPE_DECIMAL = 14,
DBTYPE_UI1 = 17,
DBTYPE_ARRAY = 0x2000,
DBTYPE_BYREF = 0x4000,
DBTYPE_I1 = 16,
DBTYPE_UI2 = 18,
DBTYPE_UI4 = 19,
DBTYPE_I8 = 20,
DBTYPE_UI8 = 21,
DBTYPE_GUID = 72,
DBTYPE_VECTOR = 0x1000,
DBTYPE_RESERVED = 0x8000,
DBTYPE_BYTES = 128,
DBTYPE_STR = 129,
DBTYPE_WSTR = 130,
DBTYPE_NUMERIC = 131,
DBTYPE_UDT = 132,
DBTYPE_DBDATE = 133,
DBTYPE_DBTIME = 134,
DBTYPE_DBTIMESTAMP = 135
ADO Types
adEmpty = 0,
adTinyInt = 16,
adSmallInt = 2,
adInteger = 3,
adBigInt = 20,
adUnsignedTinyInt = 17,
adUnsignedSmallInt = 18,
adUnsignedInt = 19,
adUnsignedBigInt = 21,
adSingle = 4,
adDouble = 5,
adCurrency = 6,
adDecimal = 14,
adNumeric = 131,
adBoolean = 11,
adError = 10,
adUserDefined = 132,
adVariant = 12,
adIDispatch = 9,
adIUnknown = 13,
adGUID = 72,
adDate = 7,
adDBDate = 133,
adDBTime = 134,
adDBTimeStamp = 135,
adBSTR = 8,
adChar = 129,
adVarChar = 200,
adLongVarChar = 201,
adWChar = 130,
adVarWChar = 202,
adLongVarWChar = 203,
adBinary = 128,
adVarBinary = 204,
adLongVarBinary = 205,
adChapter = 136,
adFileTime = 64,
adDBFileTime = 137,
adPropVariant = 138,
adVarNumeric = 139
*/
function MetaType($t,$len=-1,$fieldobj=false)
{
if (is_object($t)) {
$fieldobj = $t;
$t = $fieldobj->type;
$len = $fieldobj->max_length;
}
if (!is_numeric($t)) return $t;
switch ($t) {
case 0:
case 12: // variant
case 8: // bstr
case 129: //char
case 130: //wc
case 200: // varc
case 202:// varWC
case 128: // bin
case 204: // varBin
case 72: // guid
if ($len <= $this->blobSize) return 'C';
case 201:
case 203:
return 'X';
case 128:
case 204:
case 205:
return 'B';
case 7:
case 133: return 'D';
case 134:
case 135: return 'T';
case 11: return 'L';
case 16:// adTinyInt = 16,
case 2://adSmallInt = 2,
case 3://adInteger = 3,
case 4://adBigInt = 20,
case 17://adUnsignedTinyInt = 17,
case 18://adUnsignedSmallInt = 18,
case 19://adUnsignedInt = 19,
case 20://adUnsignedBigInt = 21,
return 'I';
default: return 'N';
}
}
// time stamp not supported yet
function _fetch()
{
$rs = $this->_queryID;
if (!$rs or $rs->EOF) {
$this->fields = false;
return false;
}
$this->fields = array();
if (!$this->_tarr) {
$tarr = array();
$flds = array();
for ($i=0,$max = $this->_numOfFields; $i < $max; $i++) {
$f = $rs->Fields($i);
$flds[] = $f;
$tarr[] = $f->Type;
}
// bind types and flds only once
$this->_tarr = $tarr;
$this->_flds = $flds;
}
$t = reset($this->_tarr);
$f = reset($this->_flds);
if ($this->hideErrors) $olde = error_reporting(E_ERROR|E_CORE_ERROR);// sometimes $f->value be null
for ($i=0,$max = $this->_numOfFields; $i < $max; $i++) {
switch($t) {
case 135: // timestamp
$this->fields[] = date('Y-m-d H:i:s',(integer)$f->value);
break;
case 133:// A date value (yyyymmdd)
$val = $f->value;
$this->fields[] = substr($val,0,4).'-'.substr($val,4,2).'-'.substr($val,6,2);
break;
case 7: // adDate
$this->fields[] = date('Y-m-d',(integer)$f->value);
break;
case 1: // null
$this->fields[] = false;
break;
case 6: // currency is not supported properly;
ADOConnection::outp( ''.$f->Name.': currency type not supported by PHP');
$this->fields[] = (float) $f->value;
break;
default:
$this->fields[] = $f->value;
break;
}
//print " $f->value $t, ";
$f = next($this->_flds);
$t = next($this->_tarr);
} // for
if ($this->hideErrors) error_reporting($olde);
@$rs->MoveNext(); // @ needed for some versions of PHP!
if ($this->fetchMode & ADODB_FETCH_ASSOC) {
$this->fields = $this->GetRowAssoc(ADODB_ASSOC_CASE);
}
return true;
}
function _close() {
$this->_flds = false;
@$this->_queryID->Close();// by Pete Dishman (peterd@telephonetics.co.uk)
$this->_queryID = false;
}
}
?>
e-REdING. Biblioteca de la Escuela Superior de Ingenieros de Sevilla.
