oracle资料库函式库

作者佚名技术来源 NET编程浏览发布时间 2012-05-25

<?
class DB_Sql {
var $Debug = false;
var $Home = "/u01/app/oracle/product/8.0.4";
var $Remote = 1;
/* This Query will be sent directly after the first connection
Example:
var $ConnectQuery="ALTER SESSION SET nls_date_language=german nls_date_format=''DD.MM.RRRR''";
-> Set the date format for this session, this is fine when your ora-role
cannot be altered */
var $ConnectQuery='''';
/* Due to a strange error with Oracle 8.0.5, Apache and PHP3.0.6
you don''t need to set the ENV - on my system Apache
will change to a zombie, if I don''t set this to FALSE!
Instead I set these ENV-vars before the startup of apache.
If unsure try it out, if it works. */
var $OraPutEnv = true;

var $Database = "";
var $User = "";
var $Password = "";

var $Link_ID = 0;
var $Query_ID = 0;
var $Record = array();
var $Row;

var $Errno = 0;
var $Error = "";
var $ora_no_next_fetch=false;

/* copied from db_mysql for completeness */
/* public: identification constant. never change this. */
var $type = "oracle";
var $revision = "Revision: 1.3";
var $Halt_On_Error = "yes"; ## "yes" (halt with message), "no" (ignore errors quietly), "report" (ignore errror, but spit a warning)

/* public: constructor */
function DB_Sql($query = "") {
$this->query($query);
}

/* public: some trivial reporting */
function link_id() {
return $this->Link_ID;
}

function query_id() {
return $this->Query_ID;
}

function connect() {
## see above why we do this
if ($this->OraPutEnv) {
PutEnv("ORACLE_SID=$this->Database");
PutEnv("ORACLE_HOME=$this->Home");
}
if ( 0 == $this->Link_ID ) {
if($this->Debug) {
printf(" Connect()ing to $this->Database... n");
}
if($this->Remote) {
if($this->Debug) {
printf(" connect() $this->User/******@$this->Database n");
}
$this->Link_ID=ora_plogon
("$this->User/$this->Password@$this->Database","");
/************** (comment by SSilk)
this dosn''t work on my system:
$this->Link_ID=ora_plogon
("$this->User@$this->Database.world","$this->Password");
***************/
} else {
if($this->Debug) {
printf(" connect() $this->User, $this->Password n");
}
$this->Link_ID=ora_plogon("$this->User","$this->Password");
/* (comment by SSilk: don''t know how this could work, but I leave this untouched!) */
}
if($this->Debug) {
printf(" connect() Link_ID: $this->Link_ID n");
}
if (!$this->Link_ID) {
$this->halt("connect() Link-ID == false " .
"($this->Link_ID), ora_plogon failed");
} else {
//echo "commit on";
ora_commiton($this->Link

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