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✏️ Editing: adodb-ibase.inc.php

<?php
/**
 * Interbase driver.
 *
 * Requires interbase client. Works on Windows and Unix.
 *
 * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
 *
 * @package ADOdb
 * @link https://adodb.org Project's web site and documentation
 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
 *
 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
 * any later version. This means you can use it in proprietary products.
 * See the LICENSE.md file distributed with this source code for details.
 * @license BSD-3-Clause
 * @license LGPL-2.1-or-later
 *
 * @copyright 2000-2013 John Lim
 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
 */

// security - hide paths
if (!defined('ADODB_DIR')) die();

class ADODB_ibase extends ADOConnection {
	var $databaseType = "ibase";
	var $dataProvider = "ibase";
	var $replaceQuote = "''"; // string to use to replace quotes
	var $ibase_datefmt = '%Y-%m-%d'; // For hours,mins,secs change to '%Y-%m-%d %H:%M:%S';
	var $fmtDate = "'Y-m-d'";
	var $ibase_timestampfmt = "%Y-%m-%d %H:%M:%S";
	var $ibase_timefmt = "%H:%M:%S";
	var $fmtTimeStamp = "'Y-m-d, H:i:s'";
	var $concat_operator='||';
	var $_transactionID;
	var $metaTablesSQL = "select rdb\$relation_name from rdb\$relations where rdb\$relation_name not like 'RDB\$%'";
	//OPN STUFF start
	var $metaColumnsSQL = "select a.rdb\$field_name, a.rdb\$null_flag, a.rdb\$default_source, b.rdb\$field_length, b.rdb\$field_scale, b.rdb\$field_sub_type, b.rdb\$field_precision, b.rdb\$field_type from rdb\$relation_fields a, rdb\$fields b where a.rdb\$field_source = b.rdb\$field_name and a.rdb\$relation_name = '%s' order by a.rdb\$field_position asc";
	//OPN STUFF end
	var $ibasetrans;
	var $hasGenID = true;
	var $_bindInputArray = true;
	var $buffers = 0;
	var $dialect = 1;
	var $sysDate = "cast('TODAY' as timestamp)";
	var $sysTimeStamp = "CURRENT_TIMESTAMP"; //"cast('NOW' as timestamp)";
	var $ansiOuter = true;
	var $hasAffectedRows = false;
	var $poorAffectedRows = true;
	var $blobEncodeType = 'C';
	var $role = false;

function __construct()
	{
		if (defined('IBASE_DEFAULT')) $this->ibasetrans = IBASE_DEFAULT;
	}

// returns true or false
	function _connect($argHostname, $argUsername, $argPassword, $argDatabasename,$persist=false)
	{
		if (!function_exists('ibase_pconnect')) return null;
		if ($argDatabasename) $argHostname .= ':'.$argDatabasename;
		$fn = ($persist) ? 'ibase_pconnect':'ibase_connect';
		if ($this->role)
			$this->_connectionID = $fn($argHostname,$argUsername,$argPassword,
					$this->charSet,$this->buffers,$this->dialect,$this->role);
		else
			$this->_connectionID = $fn($argHostname,$argUsername,$argPassword,
					$this->charSet,$this->buffers,$this->dialect);

if ($this->dialect != 1) { // http://www.ibphoenix.com/ibp_60_del_id_ds.html
			$this->replaceQuote = "''";
		}
		if ($this->_connectionID === false) {
			$this->_handleerror();
			return false;
		}

// PHP5 change.
		if (function_exists('ibase_timefmt')) {
			ibase_timefmt($this->ibase_datefmt,IBASE_DATE );
			if ($this->dialect == 1) {
				ibase_timefmt($this->ibase_datefmt,IBASE_TIMESTAMP );
			}
			else {
				ibase_timefmt($this->ibase_timestampfmt,IBASE_TIMESTAMP );
			}
			ibase_timefmt($this->ibase_timefmt,IBASE_TIME );

} else {
			ini_set("ibase.timestampformat", $this->ibase_timestampfmt);
			ini_set("ibase.dateformat", $this->ibase_datefmt);
			ini_set("ibase.timeformat", $this->ibase_timefmt);
		}
		return true;
	}

// returns true or false
	function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
	{
		return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename,true);
	}

function MetaPrimaryKeys($table,$owner_notused=false,$internalKey=false)
	{
		if ($internalKey) {
			return array('RDB$DB_KEY');
		}

$table = strtoupper($table);

$sql = 'SELECT S.RDB$FIELD_NAME AFIELDNAME
	FROM RDB$INDICES I JOIN RDB$INDEX_SEGMENTS S ON I.RDB$INDEX_NAME=S.RDB$INDEX_NAME
	WHERE I.RDB$RELATION_NAME=\''.$table.'\' and I.RDB$INDEX_NAME like \'RDB$PRIMARY%\'
	ORDER BY I.RDB$INDEX_NAME,S.RDB$FIELD_POSITION';

$a = $this->GetCol($sql,false,true);
		if ($a && sizeof($a)>0) return $a;
		return false;
	}

function ServerInfo()
	{
		$arr['dialect'] = $this->dialect;
		switch($arr['dialect']) {
		case '':
		case '1': $s = 'Interbase 5.5 or earlier'; break;
		case '2': $s = 'Interbase 5.6'; break;
		default:
		case '3': $s = 'Interbase 6.0'; break;
		}
		$arr['version'] = ADOConnection::_findvers($s);
		$arr['description'] = $s;
		return $arr;
	}

function BeginTrans()
	{
		if ($this->transOff) return true;
		$this->transCnt += 1;
		$this->autoCommit = false;
		$this->_transactionID = $this->_connectionID;//ibase_trans($this->ibasetrans, $this->_connectionID);
		return $this->_transactionID;
	}

// there are some compat problems with ADODB_COUNTRECS=false and $this->_logsql currently.
	// it appears that ibase extension cannot support multiple concurrent queryid's
	function _Execute($sql,$inputarr=false)
	{
	global $ADODB_COUNTRECS;

if ($this->_logsql) {
			$savecrecs = $ADODB_COUNTRECS;
			$ADODB_COUNTRECS = true; // force countrecs
			$ret = ADOConnection::_Execute($sql,$inputarr);
			$ADODB_COUNTRECS = $savecrecs;
		} else {
			$ret = ADOConnection::_Execute($sql,$inputarr);
		}
		return $ret;
	}

function RollbackTrans()
	{
		if ($this->transOff) return true;
		if ($this->transCnt) $this->transCnt -= 1;
		$ret = false;
		$this->autoCommit = true;
		if ($this->_transactionID) {
			$ret = ibase_rollback($this->_transactionID);
		}
		$this->_transactionID = false;

return $ret;
	}

$indexes = array();
		while ($row = $rs->FetchRow()) {
			$index = $row[0];
			if (!isset($indexes[$index])) {
				if (is_null($row[3])) {
					$row[3] = 0;
				}
				$indexes[$index] = array(
					'unique' => ($row[3] == 1),
					'columns' => array()
				);
			}
			$sql = "SELECT * FROM RDB\$INDEX_SEGMENTS WHERE RDB\$INDEX_NAME = '".$index."' ORDER BY RDB\$FIELD_POSITION ASC";
			$rs1 = $this->Execute($sql);
			while ($row1 = $rs1->FetchRow()) {
				$indexes[$index]['columns'][$row1[2]] = $row1[1];
			}
		}
		// restore fetchmode
		if (isset($savem)) {
			$this->SetFetchMode($savem);
		}
		$ADODB_FETCH_MODE = $save;

return $indexes;
	}

// See http://community.borland.com/article/0,1410,25844,00.html
	function rowLock($table, $where, $col = false)
	{
		if ($this->autoCommit) {
			$this->BeginTrans();
		}
		$this->Execute("UPDATE $table SET $col=$col WHERE $where "); // is this correct - jlim?
		return 1;
	}

function CreateSequence($seqname = 'adodbseq', $startID = 1)
	{
		$ok = $this->Execute(("INSERT INTO RDB\$GENERATORS (RDB\$GENERATOR_NAME) VALUES (UPPER('$seqname'))" ));
		if (!$ok) return false;
		return $this->Execute("SET GENERATOR $seqname TO ".($startID-1).';');
	}

function DropSequence($seqname = 'adodbseq')
	{
		$seqname = strtoupper($seqname);
		$this->Execute("delete from RDB\$GENERATORS where RDB\$GENERATOR_NAME='$seqname'");
	}

if ($rs) {
			$rs->Close();
		}

return $this->genID;
	}

function SelectDB($dbName)
	{
		return false;
	}

function _handleerror()
	{
		$this->_errorMsg = ibase_errmsg();
	}

function ErrorNo()
	{
		if (preg_match('/error code = ([\-0-9]*)/i', $this->_errorMsg,$arr)) return (integer) $arr[1];
		else return 0;
	}

function ErrorMsg()
	{
		return $this->_errorMsg;
	}

function Prepare($sql)
	{
		$stmt = ibase_prepare($this->_connectionID,$sql);
		if (!$stmt) return false;
		return array($sql,$stmt);
	}

// returns query ID if successful, otherwise false
	// there have been reports of problems with nested queries - the code is probably not re-entrant?
	function _query($sql, $inputarr = false)
	{
		if (!$this->autoCommit && $this->_transactionID) {
			$conn = $this->_transactionID;
			$docommit = false;
		} else {
			$conn = $this->_connectionID;
			$docommit = true;
		}
		if (is_array($sql)) {
			$fn = 'ibase_execute';
			$sql = $sql[1];
			if (is_array($inputarr)) {
				if (!isset($inputarr[0])) {
					$inputarr[0] = '';  // PHP5 compat hack
				}
				$fnarr = array_merge(array($sql), $inputarr);
				$ret = call_user_func_array($fn, $fnarr);
			} else {
				$ret = $fn($sql);
			}
		} else {
			$fn = 'ibase_query';

if (is_array($inputarr)) {
				if (sizeof($inputarr) == 0) {
					$inputarr[0] = ''; // PHP5 compat hack
				}
				$fnarr = array_merge(array($conn, $sql), $inputarr);
				$ret = call_user_func_array($fn, $fnarr);
			} else {
				$ret = $fn($conn, $sql);
			}
		}

// ibase_query() and ibase_execute() return number of affected rows
		// ADOConnection::_Execute() expects true for INSERT/UPDATE/DELETE
		if (is_numeric($ret)) {
			$ret = true;
		}

if ($docommit && $ret === true) {
			ibase_commit($this->_connectionID);
		}

$this->_handleerror();
		return $ret;
	}

// returns true or false
	function _close()
	{
		if (!$this->autoCommit) {
			@ibase_rollback($this->_connectionID);
		}
		return @ibase_close($this->_connectionID);
	}

//OPN STUFF start
	function _ConvertFieldType(&$fld, $ftype, $flen, $fscale, $fsubtype, $fprecision, $dialect3)
	{
		$fscale = abs($fscale);
		$fld->max_length = $flen;
		$fld->scale = null;
		switch($ftype){
			case 7:
			case 8:
				if ($dialect3) {
					switch($fsubtype){
						case 0:
							$fld->type = ($ftype == 7 ? 'smallint' : 'integer');
							break;
						case 1:
							$fld->type = 'numeric';
							$fld->max_length = $fprecision;
							$fld->scale = $fscale;
							break;
						case 2:
							$fld->type = 'decimal';
							$fld->max_length = $fprecision;
							$fld->scale = $fscale;
							break;
					} // switch
				} else {
					if ($fscale !=0) {
						$fld->type = 'decimal';
						$fld->scale = $fscale;
						$fld->max_length = ($ftype == 7 ? 4 : 9);
					} else {
						$fld->type = ($ftype == 7 ? 'smallint' : 'integer');
					}
				}
				break;
			case 16:
				if ($dialect3) {
					switch($fsubtype){
						case 0:
							$fld->type = 'decimal';
							$fld->max_length = 18;
							$fld->scale = 0;
							break;
						case 1:
							$fld->type = 'numeric';
							$fld->max_length = $fprecision;
							$fld->scale = $fscale;
							break;
						case 2:
							$fld->type = 'decimal';
							$fld->max_length = $fprecision;
							$fld->scale = $fscale;
							break;
					} // switch
				}
				break;
			case 10:
				$fld->type = 'float';
				break;
			case 14:
				$fld->type = 'char';
				break;
			case 27:
				if ($fscale !=0) {
					$fld->type = 'decimal';
					$fld->max_length = 15;
					$fld->scale = 5;
				} else {
					$fld->type = 'double';
				}
				break;
			case 35:
				if ($dialect3) {
					$fld->type = 'timestamp';
				} else {
					$fld->type = 'date';
				}
				break;
			case 12:
				$fld->type = 'date';
				break;
			case 13:
				$fld->type = 'time';
				break;
			case 37:
				$fld->type = 'varchar';
				break;
			case 40:
				$fld->type = 'cstring';
				break;
			case 261:
				$fld->type = 'blob';
				$fld->max_length = -1;
				break;
		} // switch
	}
	//OPN STUFF end

// returns array of ADOFieldObjects for current table
	function MetaColumns($table, $normalize=true)
	{
	global $ADODB_FETCH_MODE;

$save = $ADODB_FETCH_MODE;
		$ADODB_FETCH_MODE = ADODB_FETCH_NUM;

$rs = $this->Execute(sprintf($this->metaColumnsSQL,strtoupper($table)));

$ADODB_FETCH_MODE = $save;
		$false = false;
		if ($rs === false) {
			return $false;
		}

$retarr = array();
		//OPN STUFF start
		$dialect3 = ($this->dialect==3 ? true : false);
		//OPN STUFF end
		while (!$rs->EOF) { //print_r($rs->fields);
			$fld = new ADOFieldObject();
			$fld->name = trim($rs->fields[0]);
			//OPN STUFF start
			$this->_ConvertFieldType($fld, $rs->fields[7], $rs->fields[3], $rs->fields[4], $rs->fields[5], $rs->fields[6], $dialect3);
			if (isset($rs->fields[1]) && $rs->fields[1]) {
				$fld->not_null = true;
			}
			if (isset($rs->fields[2])) {

$fld->has_default = true;
				$d = substr($rs->fields[2],strlen('default '));
				switch ($fld->type) {
					case 'smallint':
					case 'integer':
						$fld->default_value = (int)$d;
						break;
					case 'char':
					case 'blob':
					case 'text':
					case 'varchar':
						$fld->default_value = (string)substr($d, 1, strlen($d) - 2);
						break;
					case 'double':
					case 'float':
						$fld->default_value = (float)$d;
						break;
					default:
						$fld->default_value = $d;
						break;
				}
		//	case 35:$tt = 'TIMESTAMP'; break;
			}
			if ((isset($rs->fields[5])) && ($fld->type == 'blob')) {
				$fld->sub_type = $rs->fields[5];
			} else {
				$fld->sub_type = null;
			}
			//OPN STUFF end
			if ($ADODB_FETCH_MODE == ADODB_FETCH_NUM) $retarr[] = $fld;
			else $retarr[strtoupper($fld->name)] = $fld;

$rs->MoveNext();
		}
		$rs->Close();
		if ( empty($retarr)) return $false;
		else return $retarr;
	}

function BlobEncode( $blob )
	{
		$blobid = ibase_blob_create( $this->_connectionID);
		ibase_blob_add( $blobid, $blob );
		return ibase_blob_close( $blobid );
	}

// since we auto-decode all blob's since 2.42,
	// BlobDecode should not do any transforms
	function BlobDecode($blob)
	{
		return $blob;
	}

// old blobdecode function
	// still used to auto-decode all blob's
	function _BlobDecode_old( $blob )
	{
		$blobid = ibase_blob_open($this->_connectionID, $blob );
		$realblob = ibase_blob_get( $blobid,$this->maxblobsize); // 2nd param is max size of blob -- Kevin Boillet <kevinboillet@yahoo.fr>
		while($string = ibase_blob_get($blobid, 8192)){
			$realblob .= $string;
		}
		ibase_blob_close( $blobid );

return( $realblob );
	}

function _BlobDecode( $blob )
	{
		$blob_data = ibase_blob_info($this->_connectionID, $blob );
		$blobid    = ibase_blob_open($this->_connectionID, $blob );

if( $blob_data[0] > $this->maxblobsize ) {

$realblob = ibase_blob_get($blobid, $this->maxblobsize);

while($string = ibase_blob_get($blobid, 8192)){
				$realblob .= $string;
			}
		} else {
			$realblob = ibase_blob_get($blobid, $blob_data[0]);
		}

ibase_blob_close( $blobid );
		return( $realblob );
	}

function UpdateBlobFile($table,$column,$path,$where,$blobtype='BLOB')
	{
		$fd = fopen($path,'rb');
		if ($fd === false) return false;
		$blob_id = ibase_blob_create($this->_connectionID);

/* fill with data */

while ($val = fread($fd,32768)){
			ibase_blob_add($blob_id, $val);
		}

/* close and get $blob_id_str for inserting into table */
		$blob_id_str = ibase_blob_close($blob_id);

fclose($fd);
		return $this->Execute("UPDATE $table SET $column=(?) WHERE $where",array($blob_id_str)) != false;
	}

/*
		Insert a null into the blob field of the table first.
		Then use UpdateBlob to store the blob.

Usage:

$conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)');
		$conn->UpdateBlob('blobtable','blobcol',$blob,'id=1');
	*/
	function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB')
	{
		$blob_id = ibase_blob_create($this->_connectionID);

// ibase_blob_add($blob_id, $val);

// replacement that solves the problem by which only the first modulus 64K /
		// of $val are stored at the blob field ////////////////////////////////////
		// Thx Abel Berenstein  aberenstein#afip.gov.ar
		$len = strlen($val);
		$chunk_size = 32768;
		$tail_size = $len % $chunk_size;
		$n_chunks = ($len - $tail_size) / $chunk_size;

for ($n = 0; $n < $n_chunks; $n++) {
			$start = $n * $chunk_size;
			$data = substr($val, $start, $chunk_size);
			ibase_blob_add($blob_id, $data);
		}

if ($tail_size) {
			$start = $n_chunks * $chunk_size;
			$data = substr($val, $start, $tail_size);
			ibase_blob_add($blob_id, $data);
		}
		// end replacement /////////////////////////////////////////////////////////

$blob_id_str = ibase_blob_close($blob_id);

return $this->Execute("UPDATE $table SET $column=(?) WHERE $where", array($blob_id_str)) != false;

}

function OldUpdateBlob($table,$column,$val,$where,$blobtype='BLOB')
	{
		$blob_id = ibase_blob_create($this->_connectionID);
		ibase_blob_add($blob_id, $val);
		$blob_id_str = ibase_blob_close($blob_id);
		return $this->Execute("UPDATE $table SET $column=(?) WHERE $where",array($blob_id_str)) != false;
	}

// Format date column in sql string given an input format that understands Y M D
	// Only since Interbase 6.0 - uses EXTRACT
	// problem - does not zero-fill the day and month yet
	function SQLDate($fmt, $col=false)
	{
		if (!$col) $col = $this->sysDate;
		$s = '';

$len = strlen($fmt);
		for ($i=0; $i < $len; $i++) {
			if ($s) $s .= '||';
			$ch = $fmt[$i];
			switch($ch) {
			case 'Y':
			case 'y':
				$s .= "extract(year from $col)";
				break;
			case 'M':
			case 'm':
				$s .= "extract(month from $col)";
				break;
			case 'Q':
			case 'q':
				$s .= "cast(((extract(month from $col)+2) / 3) as integer)";
				break;
			case 'D':
			case 'd':
				$s .= "(extract(day from $col))";
				break;
			case 'H':
			case 'h':
				$s .= "(extract(hour from $col))";
				break;
			case 'I':
			case 'i':
				$s .= "(extract(minute from $col))";
				break;
			case 'S':
			case 's':
				$s .= "CAST((extract(second from $col)) AS INTEGER)";
				break;

default:
				if ($ch == '\\') {
					$i++;
					$ch = substr($fmt,$i,1);
				}
				$s .= $this->qstr($ch);
				break;
			}
		}
		return $s;
	}
}

/*--------------------------------------------------------------------------------------
	Class Name: Recordset
--------------------------------------------------------------------------------------*/

class ADORecordSet_ibase extends ADORecordSet
{

var $databaseType = "ibase";
	var $bind=false;
	var $_cacheType;

function __construct($id,$mode=false)
	{
	global $ADODB_FETCH_MODE;

$this->fetchMode = ($mode === false) ? $ADODB_FETCH_MODE : $mode;
			parent::__construct($id);
	}

/*		Returns: an object containing field information.
			Get column information in the Recordset object. fetchField() can be used in order to obtain information about
			fields in a certain query result. If the field offset isn't specified, the next field that wasn't yet retrieved by
			fetchField() is retrieved.		*/

function FetchField($fieldOffset = -1)
	{
			$fld = new ADOFieldObject;
			$ibf = ibase_field_info($this->_queryID,$fieldOffset);

$name = empty($ibf['alias']) ? $ibf['name'] : $ibf['alias'];

switch (ADODB_ASSOC_CASE) {
				case ADODB_ASSOC_CASE_UPPER:
					$fld->name = strtoupper($name);
					break;
				case ADODB_ASSOC_CASE_LOWER:
					$fld->name = strtolower($name);
					break;
				case ADODB_ASSOC_CASE_NATIVE:
				default:
					$fld->name = $name;
					break;
			}

$fld->type = $ibf['type'];
			$fld->max_length = $ibf['length'];

/*       This needs to be populated from the metadata */
			$fld->not_null = false;
			$fld->has_default = false;
			$fld->default_value = 'null';
			return $fld;
	}

function _initrs()
	{
		$this->_numOfRows = -1;
		$this->_numOfFields = @ibase_num_fields($this->_queryID);

// cache types for blob decode check
		for ($i=0, $max = $this->_numOfFields; $i < $max; $i++) {
			$f1 = $this->FetchField($i);
			$this->_cacheType[] = $f1->type;
		}
	}

function _seek($row)
	{
		return false;
	}

function _fetch()
	{
		$f = @ibase_fetch_row($this->_queryID);
		if ($f === false) {
			$this->fields = false;
			return false;
		}
		// OPN stuff start - optimized
		// fix missing nulls and decode blobs automatically

global $ADODB_ANSI_PADDING_OFF;
		//$ADODB_ANSI_PADDING_OFF=1;
		$rtrim = !empty($ADODB_ANSI_PADDING_OFF);

for ($i=0, $max = $this->_numOfFields; $i < $max; $i++) {
			if ($this->_cacheType[$i]=="BLOB") {
				if (isset($f[$i])) {
					$f[$i] = $this->connection->_BlobDecode($f[$i]);
				} else {
					$f[$i] = null;
				}
			} else {
				if (!isset($f[$i])) {
					$f[$i] = null;
				} else if ($rtrim && is_string($f[$i])) {
					$f[$i] = rtrim($f[$i]);
				}
			}
		}
		// OPN stuff end

$this->fields = $f;
		if ($this->fetchMode == ADODB_FETCH_ASSOC) {
			$this->fields = $this->GetRowAssoc();
		} else if ($this->fetchMode == ADODB_FETCH_BOTH) {
			$this->fields = array_merge($this->fields,$this->GetRowAssoc());
		}
		return true;
	}

/* 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 _close()
	{
		return @ibase_free_result($this->_queryID);
	}

function MetaType($t,$len=-1,$fieldobj=false)
	{
		if (is_object($t)) {
			$fieldobj = $t;
			$t = $fieldobj->type;
			$len = $fieldobj->max_length;
		}

$t = strtoupper($t);

if (array_key_exists($t, $this->connection->customActualTypes)) {
			return $this->connection->customActualTypes[$t];
		}

switch ($t) {
			case 'CHAR':
				return 'C';

case 'TEXT':
			case 'VARCHAR':
			case 'VARYING':
				if ($len <= $this->blobSize) {
					return 'C';
				}
				return 'X';
			case 'BLOB':
				return 'B';

case 'TIMESTAMP':
			case 'DATE':
				return 'D';
			case 'TIME':
				return 'T';
			//case 'T': return 'T';

//case 'L': return 'L';
			case 'INT':
			case 'SHORT':
			case 'INTEGER':
				return 'I';
			default:
				return ADODB_DEFAULT_METATYPE;
		}
	}

}

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