egroupware/phpgwapi/inc/adodb/drivers/adodb-fbsql.inc.php

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2003-10-19 21:05:23 +02:00
<?php
/*
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@version V4.65 22 July 2005 (c) 2000-2005 John Lim (jlim@natsoft.com.my). All rights reserved.
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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.
Contribution by Frank M. Kromann <frank@frontbase.com>.
Set tabs to 8.
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
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if (! defined("_ADODB_FBSQL_LAYER")) {
define("_ADODB_FBSQL_LAYER", 1 );
class ADODB_fbsql extends ADOConnection {
var $databaseType = 'fbsql';
var $hasInsertID = true;
var $hasAffectedRows = true;
var $metaTablesSQL = "SHOW TABLES";
var $metaColumnsSQL = "SHOW COLUMNS FROM %s";
var $fmtTimeStamp = "'Y-m-d H:i:s'";
var $hasLimit = false;
function ADODB_fbsql()
{
}
function _insertid()
{
return fbsql_insert_id($this->_connectionID);
}
function _affectedrows()
{
return fbsql_affected_rows($this->_connectionID);
}
function &MetaDatabases()
{
$qid = fbsql_list_dbs($this->_connectionID);
$arr = array();
$i = 0;
$max = fbsql_num_rows($qid);
while ($i < $max) {
$arr[] = fbsql_tablename($qid,$i);
$i += 1;
}
return $arr;
}
// returns concatenated string
function Concat()
{
$s = "";
$arr = func_get_args();
$first = true;
$s = implode(',',$arr);
if (sizeof($arr) > 0) return "CONCAT($s)";
else return '';
}
// returns true or false
function _connect($argHostname, $argUsername, $argPassword, $argDatabasename)
{
$this->_connectionID = fbsql_connect($argHostname,$argUsername,$argPassword);
if ($this->_connectionID === false) return false;
if ($argDatabasename) return $this->SelectDB($argDatabasename);
return true;
}
// returns true or false
function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
{
$this->_connectionID = fbsql_pconnect($argHostname,$argUsername,$argPassword);
if ($this->_connectionID === false) return false;
if ($argDatabasename) return $this->SelectDB($argDatabasename);
return true;
}
function &MetaColumns($table)
{
if ($this->metaColumnsSQL) {
$rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
if ($rs === false) return false;
$retarr = array();
while (!$rs->EOF){
$fld = new ADOFieldObject();
$fld->name = $rs->fields[0];
$fld->type = $rs->fields[1];
// split type into type(length):
if (preg_match("/^(.+)\((\d+)\)$/", $fld->type, $query_array)) {
$fld->type = $query_array[1];
$fld->max_length = $query_array[2];
} else {
$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);
$fld->binary = (strpos($fld->type,'blob') !== false);
$retarr[strtoupper($fld->name)] = $fld;
$rs->MoveNext();
}
$rs->Close();
return $retarr;
}
return false;
}
// returns true or false
function SelectDB($dbName)
{
$this->databaseName = $dbName;
if ($this->_connectionID) {
return @fbsql_select_db($dbName,$this->_connectionID);
}
else return false;
}
// returns queryID or false
function _query($sql,$inputarr)
{
return fbsql_query("$sql;",$this->_connectionID);
}
/* Returns: the last error message from previous database operation */
function ErrorMsg()
{
$this->_errorMsg = @fbsql_error($this->_connectionID);
return $this->_errorMsg;
}
/* Returns: the last error number from previous database operation */
function ErrorNo()
{
return @fbsql_errno($this->_connectionID);
}
// returns true or false
function _close()
{
return @fbsql_close($this->_connectionID);
}
}
/*--------------------------------------------------------------------------------------
Class Name: Recordset
--------------------------------------------------------------------------------------*/
class ADORecordSet_fbsql extends ADORecordSet{
var $databaseType = "fbsql";
var $canSeek = true;
function ADORecordSet_fbsql($queryID,$mode=false)
{
if (!$mode) {
global $ADODB_FETCH_MODE;
$mode = $ADODB_FETCH_MODE;
}
switch ($mode) {
case ADODB_FETCH_NUM: $this->fetchMode = FBSQL_NUM; break;
case ADODB_FETCH_ASSOC: $this->fetchMode = FBSQL_ASSOC; break;
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case ADODB_FETCH_BOTH:
default:
$this->fetchMode = FBSQL_BOTH; break;
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}
return $this->ADORecordSet($queryID);
}
function _initrs()
{
GLOBAL $ADODB_COUNTRECS;
$this->_numOfRows = ($ADODB_COUNTRECS) ? @fbsql_num_rows($this->_queryID):-1;
$this->_numOfFields = @fbsql_num_fields($this->_queryID);
}
function &FetchField($fieldOffset = -1) {
if ($fieldOffset != -1) {
$o = @fbsql_fetch_field($this->_queryID, $fieldOffset);
//$o->max_length = -1; // fbsql returns the max length less spaces -- so it is unrealiable
$f = @fbsql_field_flags($this->_queryID,$fieldOffset);
$o->binary = (strpos($f,'binary')!== false);
}
else if ($fieldOffset == -1) { /* The $fieldOffset argument is not provided thus its -1 */
$o = @fbsql_fetch_field($this->_queryID);// fbsql returns the max length less spaces -- so it is unrealiable
//$o->max_length = -1;
}
return $o;
}
function _seek($row)
{
return @fbsql_data_seek($this->_queryID,$row);
}
function _fetch($ignore_fields=false)
{
$this->fields = @fbsql_fetch_array($this->_queryID,$this->fetchMode);
return ($this->fields == true);
}
function _close() {
return @fbsql_free_result($this->_queryID);
}
function MetaType($t,$len=-1,$fieldobj=false)
{
if (is_object($t)) {
$fieldobj = $t;
$t = $fieldobj->type;
$len = $fieldobj->max_length;
}
$len = -1; // fbsql max_length is not accurate
switch (strtoupper($t)) {
case 'CHARACTER':
case 'CHARACTER VARYING':
case 'BLOB':
case 'CLOB':
case 'BIT':
case 'BIT VARYING':
if ($len <= $this->blobSize) return 'C';
// so we have to check whether binary...
case 'IMAGE':
case 'LONGBLOB':
case 'BLOB':
case 'MEDIUMBLOB':
return !empty($fieldobj->binary) ? 'B' : 'X';
case 'DATE': return 'D';
case 'TIME':
case 'TIME WITH TIME ZONE':
case 'TIMESTAMP':
case 'TIMESTAMP WITH TIME ZONE': return 'T';
case 'PRIMARY_KEY':
return 'R';
case 'INTEGER':
case 'SMALLINT':
case 'BOOLEAN':
if (!empty($fieldobj->primary_key)) return 'R';
else return 'I';
default: return 'N';
}
}
} //class
} // defined
?>