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628 lines
18 KiB
PHP
628 lines
18 KiB
PHP
<?php
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/*
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V4.51 29 July 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence. See License.txt.
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Set tabs to 4 for best viewing.
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Latest version is available at http://adodb.sourceforge.net
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*/
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// Code contributed by "stefan bogdan" <sbogdan#rsb.ro>
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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define("_ADODB_ODBTP_LAYER", 2 );
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class ADODB_odbtp extends ADOConnection{
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var $databaseType = "odbtp";
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var $dataProvider = "odbtp";
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var $fmtDate = "'Y-m-d'";
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var $fmtTimeStamp = "'Y-m-d, h:i:sA'";
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var $replaceQuote = "''"; // string to use to replace quotes
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var $odbc_driver = 0;
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var $hasAffectedRows = true;
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var $hasInsertID = false;
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var $hasGenID = true;
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var $hasMoveFirst = true;
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var $_genSeqSQL = "create table %s (seq_name char(30) not null unique , seq_value integer not null)";
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var $_dropSeqSQL = "delete from adodb_seq where seq_name = '%s'";
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var $_autocommit = true;
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var $_bindInputArray = false;
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var $_useUnicodeSQL = false;
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var $_canPrepareSP = false;
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function ADODB_odbtp()
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{
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}
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function ServerInfo()
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{
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return array('description' => @odbtp_get_attr( ODB_ATTR_DBMSNAME, $this->_connectionID),
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'version' => @odbtp_get_attr( ODB_ATTR_DBMSVER, $this->_connectionID));
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}
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function ErrorMsg()
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{
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if (empty($this->_connectionID)) return @odbtp_last_error();
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return @odbtp_last_error($this->_connectionID);
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}
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function ErrorNo()
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{
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if (empty($this->_connectionID)) return @odbtp_last_error_state();
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return @odbtp_last_error_state($this->_connectionID);
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}
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function _insertid()
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{
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// SCOPE_IDENTITY()
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// Returns the last IDENTITY value inserted into an IDENTITY column in
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// the same scope. A scope is a module -- a stored procedure, trigger,
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// function, or batch. Thus, two statements are in the same scope if
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// they are in the same stored procedure, function, or batch.
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return $this->GetOne($this->identitySQL);
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}
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function _affectedrows()
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{
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if ($this->_queryID) {
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return @odbtp_affected_rows ($this->_queryID);
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} else
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return 0;
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}
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function CreateSequence($seqname='adodbseq',$start=1)
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{
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//verify existence
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$num = $this->GetOne("select seq_value from adodb_seq");
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$seqtab='adodb_seq';
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if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
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$path = @odbtp_get_attr( ODB_ATTR_DATABASENAME, $this->_connectionID );
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//if using vfp dbc file
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if( !strcasecmp(strrchr($path, '.'), '.dbc') )
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$path = substr($path,0,strrpos($path,'\/'));
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$seqtab = $path . '/' . $seqtab;
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}
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if($num == false) {
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if (empty($this->_genSeqSQL)) return false;
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$ok = $this->Execute(sprintf($this->_genSeqSQL ,$seqtab));
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}
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$num = $this->GetOne("select seq_value from adodb_seq where seq_name='$seqname'");
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if ($num) {
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return false;
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}
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$start -= 1;
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return $this->Execute("insert into adodb_seq values('$seqname',$start)");
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}
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function DropSequence($seqname)
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{
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if (empty($this->_dropSeqSQL)) return false;
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return $this->Execute(sprintf($this->_dropSeqSQL,$seqname));
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}
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function GenID($seq='adodbseq',$start=1)
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{
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$seqtab='adodb_seq';
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if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
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$path = @odbtp_get_attr( ODB_ATTR_DATABASENAME, $this->_connectionID );
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//if using vfp dbc file
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if( !strcasecmp(strrchr($path, '.'), '.dbc') )
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$path = substr($path,0,strrpos($path,'\/'));
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$seqtab = $path . '/' . $seqtab;
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}
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$MAXLOOPS = 100;
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while (--$MAXLOOPS>=0) {
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$num = $this->GetOne("select seq_value from adodb_seq where seq_name='$seq'");
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if ($num === false) {
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//verify if abodb_seq table exist
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$ok = $this->GetOne("select seq_value from adodb_seq ");
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if(!$ok) {
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//creating the sequence table adodb_seq
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$this->Execute(sprintf($this->_genSeqSQL ,$seqtab));
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}
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$start -= 1;
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$num = '0';
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$ok = $this->Execute("insert into adodb_seq values('$seq',$start)");
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if (!$ok) return false;
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}
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$ok = $this->Execute("update adodb_seq set seq_value=seq_value+1 where seq_name='$seq'");
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if($ok) {
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$num += 1;
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$this->genID = $num;
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return $num;
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}
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}
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if ($fn = $this->raiseErrorFn) {
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$fn($this->databaseType,'GENID',-32000,"Unable to generate unique id after $MAXLOOPS attempts",$seq,$num);
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}
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return false;
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}
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//example for $UserOrDSN
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//for visual fox : DRIVER={Microsoft Visual FoxPro Driver};SOURCETYPE=DBF;SOURCEDB=c:\YourDbfFileDir;EXCLUSIVE=NO;
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//for visual fox dbc: DRIVER={Microsoft Visual FoxPro Driver};SOURCETYPE=DBC;SOURCEDB=c:\YourDbcFileDir\mydb.dbc;EXCLUSIVE=NO;
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//for access : DRIVER={Microsoft Access Driver (*.mdb)};DBQ=c:\path_to_access_db\base_test.mdb;UID=root;PWD=;
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//for mssql : DRIVER={SQL Server};SERVER=myserver;UID=myuid;PWD=mypwd;DATABASE=OdbtpTest;
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//if uid & pwd can be separate
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function _connect($HostOrInterface, $UserOrDSN='', $argPassword='', $argDatabase='')
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{
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$this->_connectionID = @odbtp_connect($HostOrInterface,$UserOrDSN,$argPassword,$argDatabase);
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if ($this->_connectionID === false)
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{
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$this->_errorMsg = $this->ErrorMsg() ;
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return false;
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}
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$this->odbc_driver = @odbtp_get_attr(ODB_ATTR_DRIVER, $this->_connectionID);
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// Set driver specific attributes
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switch( $this->odbc_driver ) {
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case ODB_DRIVER_MSSQL:
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$this->fmtDate = "'Y-m-d'";
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$this->fmtTimeStamp = "'Y-m-d h:i:sA'";
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$this->sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
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$this->sysTimeStamp = 'GetDate()';
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$this->ansiOuter = true;
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$this->leftOuter = '*=';
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$this->rightOuter = '=*';
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$this->hasTop = 'top';
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$this->hasInsertID = true;
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$this->hasTransactions = true;
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$this->_bindInputArray = true;
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$this->_canSelectDb = true;
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$this->substr = "substring";
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$this->length = 'len';
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$this->identitySQL = 'select @@IDENTITY';
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$this->metaDatabasesSQL = "select name from master..sysdatabases where name <> 'master'";
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break;
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case ODB_DRIVER_JET:
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$this->fmtDate = "#Y-m-d#";
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$this->fmtTimeStamp = "#Y-m-d h:i:sA#";
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$this->sysDate = "FORMAT(NOW,'yyyy-mm-dd')";
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$this->sysTimeStamp = 'NOW';
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$this->hasTop = 'top';
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$this->hasTransactions = false;
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$this->_canPrepareSP = true; // For MS Access only.
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// Can't rebind ODB_CHAR to ODB_WCHAR if row cache enabled.
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if ($this->_useUnicodeSQL)
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odbtp_use_row_cache($this->_connectionID, FALSE, 0);
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break;
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case ODB_DRIVER_FOXPRO:
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$this->fmtDate = "{^Y-m-d}";
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$this->fmtTimeStamp = "{^Y-m-d, h:i:sA}";
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$this->sysDate = 'date()';
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$this->sysTimeStamp = 'datetime()';
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$this->ansiOuter = true;
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$this->hasTop = 'top';
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$this->hasTransactions = false;
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$this->replaceQuote = "'+chr(39)+'";
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$this->true = '.T.';
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$this->false = '.F.';
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break;
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case ODB_DRIVER_ORACLE:
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$this->fmtDate = "'Y-m-d 00:00:00'";
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$this->fmtTimeStamp = "'Y-m-d h:i:sA'";
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$this->sysDate = 'TRUNC(SYSDATE)';
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$this->sysTimeStamp = 'SYSDATE';
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$this->hasTransactions = true;
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$this->_bindInputArray = true;
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$this->concat_operator = '||';
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break;
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case ODB_DRIVER_SYBASE:
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$this->fmtDate = "'Y-m-d'";
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$this->fmtTimeStamp = "'Y-m-d H:i:s'";
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$this->sysDate = 'GetDate()';
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$this->sysTimeStamp = 'GetDate()';
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$this->leftOuter = '*=';
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$this->rightOuter = '=*';
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$this->hasInsertID = true;
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$this->hasTransactions = true;
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$this->identitySQL = 'select @@IDENTITY';
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break;
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default:
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if( @odbtp_get_attr(ODB_ATTR_TXNCAPABLE, $this->_connectionID) )
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$this->hasTransactions = true;
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else
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$this->hasTransactions = false;
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}
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@odbtp_set_attr(ODB_ATTR_FULLCOLINFO, TRUE, $this->_connectionID );
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if ($this->_useUnicodeSQL )
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@odbtp_set_attr(ODB_ATTR_UNICODESQL, TRUE, $this->_connectionID);
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return true;
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}
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function _pconnect($HostOrInterface, $UserOrDSN='', $argPassword='', $argDatabase='')
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{
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return $this->_connect($HostOrInterface, $UserOrDSN, $argPassword, $argDatabase);
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}
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function SelectDB($dbName)
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{
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if (!@odbtp_select_db($dbName, $this->_connectionID)) {
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return false;
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}
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$this->databaseName = $dbName;
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return true;
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}
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function &MetaTables($ttype='',$showSchema=false,$mask=false)
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{
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global $ADODB_FETCH_MODE;
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$savem = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$arr =& $this->GetArray("||SQLTables||||$ttype");
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$ADODB_FETCH_MODE = $savem;
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$arr2 = array();
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for ($i=0; $i < sizeof($arr); $i++) {
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if ($arr[$i][3] == 'SYSTEM TABLE' ) continue;
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if ($arr[$i][2])
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$arr2[] = $showSchema ? $arr[$i][1].'.'.$arr[$i][2] : $arr[$i][2];
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}
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return $arr2;
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}
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function &MetaColumns($table,$upper=true)
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{
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global $ADODB_FETCH_MODE;
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$schema = false;
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$this->_findschema($table,$schema);
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if ($upper) $table = strtoupper($table);
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$savem = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$rs = $this->Execute( "||SQLColumns||$schema|$table" );
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$ADODB_FETCH_MODE = $savem;
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if (!$rs) return false;
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while (!$rs->EOF) {
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//print_r($rs->fields);
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if (strtoupper($rs->fields[2]) == $table) {
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$fld = new ADOFieldObject();
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$fld->name = $rs->fields[3];
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$fld->type = $rs->fields[5];
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$fld->max_length = $rs->fields[6];
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$fld->not_null = !empty($rs->fields[9]);
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$fld->scale = $rs->fields[7];
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if (!is_null($rs->fields[12])) {
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$fld->has_default = true;
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$fld->default_value = $rs->fields[12];
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}
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$retarr[strtoupper($fld->name)] = $fld;
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} else if (sizeof($retarr)>0)
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break;
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$rs->MoveNext();
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}
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$rs->Close();
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return $retarr;
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}
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function &MetaPrimaryKeys($table, $owner='')
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{
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global $ADODB_FETCH_MODE;
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$savem = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$arr =& $this->GetArray("||SQLPrimaryKeys||$owner|$table");
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$ADODB_FETCH_MODE = $savem;
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//print_r($arr);
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$arr2 = array();
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for ($i=0; $i < sizeof($arr); $i++) {
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if ($arr[$i][3]) $arr2[] = $arr[$i][3];
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}
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return $arr2;
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}
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function &MetaForeignKeys($table, $owner='', $upper=false)
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{
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global $ADODB_FETCH_MODE;
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$savem = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$constraints =& $this->GetArray("||SQLForeignKeys|||||$owner|$table");
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$ADODB_FETCH_MODE = $savem;
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$arr = false;
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foreach($constraints as $constr) {
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//print_r($constr);
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$arr[$constr[11]][$constr[2]][] = $constr[7].'='.$constr[3];
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}
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if (!$arr) return false;
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$arr2 = array();
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foreach($arr as $k => $v) {
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foreach($v as $a => $b) {
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if ($upper) $a = strtoupper($a);
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$arr2[$a] = $b;
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}
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}
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return $arr2;
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}
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function BeginTrans()
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{
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if (!$this->hasTransactions) return false;
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if ($this->transOff) return true;
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$this->transCnt += 1;
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$this->_autocommit = false;
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$rs = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS,ODB_TXN_READUNCOMMITTED,$this->_connectionID);
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if(!$rs) return false;
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else return true;
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}
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function CommitTrans($ok=true)
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{
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if ($this->transOff) return true;
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if (!$ok) return $this->RollbackTrans();
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if ($this->transCnt) $this->transCnt -= 1;
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$this->_autocommit = true;
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if( ($ret = odbtp_commit($this->_connectionID)) )
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$ret = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS, ODB_TXN_NONE, $this->_connectionID);//set transaction off
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return $ret;
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}
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function RollbackTrans()
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{
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if ($this->transOff) return true;
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if ($this->transCnt) $this->transCnt -= 1;
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$this->_autocommit = true;
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if( ($ret = odbtp_rollback($this->_connectionID)) )
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$ret = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS, ODB_TXN_NONE, $this->_connectionID);//set transaction off
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return $ret;
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}
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function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
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{
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// TOP requires ORDER BY for Visual FoxPro
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if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
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if (!preg_match('/ORDER[ \t\r\n]+BY/is',$sql)) $sql .= ' ORDER BY 1';
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}
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return ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
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}
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function Prepare($sql)
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{
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if (! $this->_bindInputArray) return $sql; // no binding
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$stmt = odbtp_prepare($sql,$this->_connectionID);
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if (!$stmt) {
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// print "Prepare Error for ($sql) ".$this->ErrorMsg()."<br>";
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return $sql;
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}
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return array($sql,$stmt,false);
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}
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function PrepareSP($sql)
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{
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if (!$this->_canPrepareSP) return $sql; // Can't prepare procedures
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$stmt = odbtp_prepare_proc($sql,$this->_connectionID);
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if (!$stmt) return false;
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return array($sql,$stmt);
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}
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/*
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Usage:
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$stmt = $db->PrepareSP('SP_RUNSOMETHING'); -- takes 2 params, @myid and @group
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# note that the parameter does not have @ in front!
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$db->Parameter($stmt,$id,'myid');
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$db->Parameter($stmt,$group,'group',false,64);
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$db->Parameter($stmt,$group,'photo',false,100000,ODB_BINARY);
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$db->Execute($stmt);
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@param $stmt Statement returned by Prepare() or PrepareSP().
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@param $var PHP variable to bind to. Can set to null (for isNull support).
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@param $name Name of stored procedure variable name to bind to.
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@param [$isOutput] Indicates direction of parameter 0/false=IN 1=OUT 2= IN/OUT. This is ignored in odbtp.
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@param [$maxLen] Holds an maximum length of the variable.
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@param [$type] The data type of $var. Legal values depend on driver.
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See odbtp_attach_param documentation at http://odbtp.sourceforge.net.
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*/
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function Parameter(&$stmt, &$var, $name, $isOutput=false, $maxLen=0, $type=0)
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{
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if ( $this->odbc_driver == ODB_DRIVER_JET ) {
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$name = '['.$name.']';
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if( !$type && $this->_useUnicodeSQL
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&& @odbtp_param_bindtype($stmt[1], $name) == ODB_CHAR )
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{
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$type = ODB_WCHAR;
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}
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}
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else {
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$name = '@'.$name;
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}
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return odbtp_attach_param($stmt[1], $name, $var, $type, $maxLen);
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}
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/*
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Insert a null into the blob field of the table first.
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Then use UpdateBlob to store the blob.
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Usage:
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$conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)');
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$conn->UpdateBlob('blobtable','blobcol',$blob,'id=1');
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*/
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function UpdateBlob($table,$column,$val,$where,$blobtype='image')
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{
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|
$sql = "UPDATE $table SET $column = ? WHERE $where";
|
|
if( !($stmt = odbtp_prepare($sql, $this->_connectionID)) )
|
|
return false;
|
|
if( !odbtp_input( $stmt, 1, ODB_BINARY, 1000000, $blobtype ) )
|
|
return false;
|
|
if( !odbtp_set( $stmt, 1, $val ) )
|
|
return false;
|
|
return odbtp_execute( $stmt ) != false;
|
|
}
|
|
|
|
function IfNull( $field, $ifNull )
|
|
{
|
|
switch( $this->odbc_driver ) {
|
|
case ODB_DRIVER_MSSQL:
|
|
return " ISNULL($field, $ifNull) ";
|
|
case ODB_DRIVER_JET:
|
|
return " IIF(IsNull($field), $ifNull, $field) ";
|
|
}
|
|
return " CASE WHEN $field is null THEN $ifNull ELSE $field END ";
|
|
}
|
|
|
|
function _query($sql,$inputarr=false)
|
|
{
|
|
if ($inputarr) {
|
|
if (is_array($sql)) {
|
|
$stmtid = $sql[1];
|
|
} else {
|
|
$stmtid = odbtp_prepare($sql,$this->_connectionID);
|
|
if ($stmtid == false) {
|
|
$this->_errorMsg = $php_errormsg;
|
|
return false;
|
|
}
|
|
}
|
|
$num_params = odbtp_num_params( $stmtid );
|
|
for( $param = 1; $param <= $num_params; $param++ ) {
|
|
@odbtp_input( $stmtid, $param );
|
|
@odbtp_set( $stmtid, $param, $inputarr[$param-1] );
|
|
}
|
|
if (! odbtp_execute($stmtid) ) {
|
|
return false;
|
|
}
|
|
} else if (is_array($sql)) {
|
|
$stmtid = $sql[1];
|
|
if (!odbtp_execute($stmtid)) {
|
|
return false;
|
|
}
|
|
} else {
|
|
$stmtid = @odbtp_query($sql,$this->_connectionID);
|
|
}
|
|
$this->_lastAffectedRows = 0;
|
|
if ($stmtid) {
|
|
$this->_lastAffectedRows = @odbtp_affected_rows($stmtid);
|
|
}
|
|
return $stmtid;
|
|
}
|
|
|
|
function _close()
|
|
{
|
|
$ret = @odbtp_close($this->_connectionID);
|
|
$this->_connectionID = false;
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
class ADORecordSet_odbtp extends ADORecordSet {
|
|
|
|
var $databaseType = 'odbtp';
|
|
var $canSeek = true;
|
|
|
|
function ADORecordSet_odbtp($queryID,$mode=false)
|
|
{
|
|
if ($mode === false) {
|
|
global $ADODB_FETCH_MODE;
|
|
$mode = $ADODB_FETCH_MODE;
|
|
}
|
|
$this->fetchMode = $mode;
|
|
$this->ADORecordSet($queryID);
|
|
}
|
|
|
|
function _initrs()
|
|
{
|
|
$this->_numOfFields = @odbtp_num_fields($this->_queryID);
|
|
if (!($this->_numOfRows = @odbtp_num_rows($this->_queryID)))
|
|
$this->_numOfRows = -1;
|
|
}
|
|
|
|
function &FetchField($fieldOffset = 0)
|
|
{
|
|
$off=$fieldOffset; // offsets begin at 0
|
|
$o= new ADOFieldObject();
|
|
$o->name = @odbtp_field_name($this->_queryID,$off);
|
|
$o->type = @odbtp_field_type($this->_queryID,$off);
|
|
$o->max_length = @odbtp_field_length($this->_queryID,$off);
|
|
if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name);
|
|
else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name);
|
|
return $o;
|
|
}
|
|
|
|
function _seek($row)
|
|
{
|
|
return @odbtp_data_seek($this->_queryID, $row);
|
|
}
|
|
|
|
function fields($colname)
|
|
{
|
|
if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname];
|
|
|
|
if (!$this->bind) {
|
|
$this->bind = array();
|
|
for ($i=0; $i < $this->_numOfFields; $i++) {
|
|
$name = @odbtp_field_name( $this->_queryID, $i );
|
|
$this->bind[strtoupper($name)] = $i;
|
|
}
|
|
}
|
|
return $this->fields[$this->bind[strtoupper($colname)]];
|
|
}
|
|
|
|
function _fetch_odbtp($type=0)
|
|
{
|
|
switch ($this->fetchMode) {
|
|
case ADODB_FETCH_NUM:
|
|
$this->fields = @odbtp_fetch_row($this->_queryID, $type);
|
|
break;
|
|
case ADODB_FETCH_ASSOC:
|
|
$this->fields = @odbtp_fetch_assoc($this->_queryID, $type);
|
|
break;
|
|
default:
|
|
$this->fields = @odbtp_fetch_array($this->_queryID, $type);
|
|
}
|
|
return is_array($this->fields);
|
|
}
|
|
|
|
function _fetch()
|
|
{
|
|
return $this->_fetch_odbtp();
|
|
}
|
|
|
|
function MoveFirst()
|
|
{
|
|
if (!$this->_fetch_odbtp(ODB_FETCH_FIRST)) return false;
|
|
$this->EOF = false;
|
|
$this->_currentRow = 0;
|
|
return true;
|
|
}
|
|
|
|
function MoveLast()
|
|
{
|
|
if (!$this->_fetch_odbtp(ODB_FETCH_LAST)) return false;
|
|
$this->EOF = false;
|
|
$this->_currentRow = $this->_numOfRows - 1;
|
|
return true;
|
|
}
|
|
|
|
function NextRecordSet()
|
|
{
|
|
if (!@odbtp_next_result($this->_queryID)) return false;
|
|
$this->_inited = false;
|
|
$this->bind = false;
|
|
$this->_currentRow = -1;
|
|
$this->Init();
|
|
return true;
|
|
}
|
|
|
|
function _close()
|
|
{
|
|
return @odbtp_free_query($this->_queryID);
|
|
}
|
|
}
|
|
|
|
?>
|