0,0 → 1,320 |
<?php |
/* |
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved. |
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. |
|
Latest version is available at http://adodb.sourceforge.net |
|
Oracle data driver. Requires Oracle client. Works on Windows and Unix and Oracle 7. |
|
If you are using Oracle 8 or later, use the oci8 driver which is much better and more reliable. |
*/ |
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// security - hide paths |
if (!defined('ADODB_DIR')) die(); |
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class ADODB_oracle extends ADOConnection { |
var $databaseType = "oracle"; |
var $replaceQuote = "''"; // string to use to replace quotes |
var $concat_operator='||'; |
var $_curs; |
var $_initdate = true; // init date to YYYY-MM-DD |
var $metaTablesSQL = 'select table_name from cat'; |
var $metaColumnsSQL = "select cname,coltype,width from col where tname='%s' order by colno"; |
var $sysDate = "TO_DATE(TO_CHAR(SYSDATE,'YYYY-MM-DD'),'YYYY-MM-DD')"; |
var $sysTimeStamp = 'SYSDATE'; |
var $connectSID = true; |
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function ADODB_oracle() |
{ |
} |
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// format and return date string in database date format |
function DBDate($d) |
{ |
if (is_string($d)) $d = ADORecordSet::UnixDate($d); |
return 'TO_DATE('.adodb_date($this->fmtDate,$d).",'YYYY-MM-DD')"; |
} |
|
// format and return date string in database timestamp format |
function DBTimeStamp($ts) |
{ |
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if (is_string($ts)) $d = ADORecordSet::UnixTimeStamp($ts); |
return 'TO_DATE('.adodb_date($this->fmtTimeStamp,$ts).",'RRRR-MM-DD, HH:MI:SS AM')"; |
} |
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function BeginTrans() |
{ |
$this->autoCommit = false; |
ora_commitoff($this->_connectionID); |
return true; |
} |
|
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function CommitTrans($ok=true) |
{ |
if (!$ok) return $this->RollbackTrans(); |
$ret = ora_commit($this->_connectionID); |
ora_commiton($this->_connectionID); |
return $ret; |
} |
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function RollbackTrans() |
{ |
$ret = ora_rollback($this->_connectionID); |
ora_commiton($this->_connectionID); |
return $ret; |
} |
|
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/* there seems to be a bug in the oracle extension -- always returns ORA-00000 - no error */ |
function ErrorMsg() |
{ |
if ($this->_errorMsg !== false) return $this->_errorMsg; |
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if (is_resource($this->_curs)) $this->_errorMsg = @ora_error($this->_curs); |
if (empty($this->_errorMsg)) $this->_errorMsg = @ora_error($this->_connectionID); |
return $this->_errorMsg; |
} |
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function ErrorNo() |
{ |
if ($this->_errorCode !== false) return $this->_errorCode; |
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if (is_resource($this->_curs)) $this->_errorCode = @ora_errorcode($this->_curs); |
if (empty($this->_errorCode)) $this->_errorCode = @ora_errorcode($this->_connectionID); |
return $this->_errorCode; |
} |
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// returns true or false |
function _connect($argHostname, $argUsername, $argPassword, $argDatabasename, $mode=0) |
{ |
if (!function_exists('ora_plogon')) return null; |
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// <G. Giunta 2003/03/03/> Reset error messages before connecting |
$this->_errorMsg = false; |
$this->_errorCode = false; |
|
// G. Giunta 2003/08/13 - This looks danegrously suspicious: why should we want to set |
// the oracle home to the host name of remote DB? |
// if ($argHostname) putenv("ORACLE_HOME=$argHostname"); |
|
if($argHostname) { // code copied from version submitted for oci8 by Jorma Tuomainen <jorma.tuomainen@ppoy.fi> |
if (empty($argDatabasename)) $argDatabasename = $argHostname; |
else { |
if(strpos($argHostname,":")) { |
$argHostinfo=explode(":",$argHostname); |
$argHostname=$argHostinfo[0]; |
$argHostport=$argHostinfo[1]; |
} else { |
$argHostport="1521"; |
} |
|
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if ($this->connectSID) { |
$argDatabasename="(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=".$argHostname |
.")(PORT=$argHostport))(CONNECT_DATA=(SID=$argDatabasename)))"; |
} else |
$argDatabasename="(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=".$argHostname |
.")(PORT=$argHostport))(CONNECT_DATA=(SERVICE_NAME=$argDatabasename)))"; |
} |
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} |
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if ($argDatabasename) $argUsername .= "@$argDatabasename"; |
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//if ($argHostname) print "<p>Connect: 1st argument should be left blank for $this->databaseType</p>"; |
if ($mode = 1) |
$this->_connectionID = ora_plogon($argUsername,$argPassword); |
else |
$this->_connectionID = ora_logon($argUsername,$argPassword); |
if ($this->_connectionID === false) return false; |
if ($this->autoCommit) ora_commiton($this->_connectionID); |
if ($this->_initdate) { |
$rs = $this->_query("ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD'"); |
if ($rs) ora_close($rs); |
} |
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return true; |
} |
|
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// returns true or false |
function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename) |
{ |
return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename, 1); |
} |
|
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// returns query ID if successful, otherwise false |
function _query($sql,$inputarr=false) |
{ |
// <G. Giunta 2003/03/03/> Reset error messages before executing |
$this->_errorMsg = false; |
$this->_errorCode = false; |
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$curs = ora_open($this->_connectionID); |
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if ($curs === false) return false; |
$this->_curs = $curs; |
if (!ora_parse($curs,$sql)) return false; |
if (ora_exec($curs)) return $curs; |
// <G. Giunta 2004/03/03> before we close the cursor, we have to store the error message |
// that we can obtain ONLY from the cursor (and not from the connection) |
$this->_errorCode = @ora_errorcode($curs); |
$this->_errorMsg = @ora_error($curs); |
// </G. Giunta 2004/03/03> |
@ora_close($curs); |
return false; |
} |
|
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// returns true or false |
function _close() |
{ |
return @ora_logoff($this->_connectionID); |
} |
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} |
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/*-------------------------------------------------------------------------------------- |
Class Name: Recordset |
--------------------------------------------------------------------------------------*/ |
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class ADORecordset_oracle extends ADORecordSet { |
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var $databaseType = "oracle"; |
var $bind = false; |
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function ADORecordset_oracle($queryID,$mode=false) |
{ |
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if ($mode === false) { |
global $ADODB_FETCH_MODE; |
$mode = $ADODB_FETCH_MODE; |
} |
$this->fetchMode = $mode; |
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$this->_queryID = $queryID; |
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$this->_inited = true; |
$this->fields = array(); |
if ($queryID) { |
$this->_currentRow = 0; |
$this->EOF = !$this->_fetch(); |
@$this->_initrs(); |
} else { |
$this->_numOfRows = 0; |
$this->_numOfFields = 0; |
$this->EOF = true; |
} |
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return $this->_queryID; |
} |
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|
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/* Returns: an object containing field information. |
Get column information in the Recordset object. fetchField() can be used in order to obtain information about |
fields in a certain query result. If the field offset isn't specified, the next field that wasn't yet retrieved by |
fetchField() is retrieved. */ |
|
function &FetchField($fieldOffset = -1) |
{ |
$fld = new ADOFieldObject; |
$fld->name = ora_columnname($this->_queryID, $fieldOffset); |
$fld->type = ora_columntype($this->_queryID, $fieldOffset); |
$fld->max_length = ora_columnsize($this->_queryID, $fieldOffset); |
return $fld; |
} |
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/* Use associative array to get fields array */ |
function Fields($colname) |
{ |
if (!$this->bind) { |
$this->bind = array(); |
for ($i=0; $i < $this->_numOfFields; $i++) { |
$o = $this->FetchField($i); |
$this->bind[strtoupper($o->name)] = $i; |
} |
} |
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return $this->fields[$this->bind[strtoupper($colname)]]; |
} |
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function _initrs() |
{ |
$this->_numOfRows = -1; |
$this->_numOfFields = @ora_numcols($this->_queryID); |
} |
|
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function _seek($row) |
{ |
return false; |
} |
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function _fetch($ignore_fields=false) { |
// should remove call by reference, but ora_fetch_into requires it in 4.0.3pl1 |
if ($this->fetchMode & ADODB_FETCH_ASSOC) |
return @ora_fetch_into($this->_queryID,&$this->fields,ORA_FETCHINTO_NULLS|ORA_FETCHINTO_ASSOC); |
else |
return @ora_fetch_into($this->_queryID,&$this->fields,ORA_FETCHINTO_NULLS); |
} |
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/* close() only needs to be called if you are worried about using too much memory while your script |
is running. All associated result memory for the specified result identifier will automatically be freed. */ |
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function _close() |
{ |
return @ora_close($this->_queryID); |
} |
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function MetaType($t,$len=-1) |
{ |
if (is_object($t)) { |
$fieldobj = $t; |
$t = $fieldobj->type; |
$len = $fieldobj->max_length; |
} |
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switch (strtoupper($t)) { |
case 'VARCHAR': |
case 'VARCHAR2': |
case 'CHAR': |
case 'VARBINARY': |
case 'BINARY': |
if ($len <= $this->blobSize) return 'C'; |
case 'LONG': |
case 'LONG VARCHAR': |
case 'CLOB': |
return 'X'; |
case 'LONG RAW': |
case 'LONG VARBINARY': |
case 'BLOB': |
return 'B'; |
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case 'DATE': return 'D'; |
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//case 'T': return 'T'; |
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case 'BIT': return 'L'; |
case 'INT': |
case 'SMALLINT': |
case 'INTEGER': return 'I'; |
default: return 'N'; |
} |
} |
} |
?> |