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File: adodb/drivers/adodb-db2oci.inc.php

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File: adodb/drivers/adodb-db2oci.inc.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP MySQL JSON Manager
Build and Execute SQL queries with results in JSON
Author: By
Last change:
Date: 8 years ago
Size: 4,692 bytes
 

Contents

Class file image Download
<?php
/*
V5.18 3 Sep 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). 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.
Set tabs to 4 for best viewing.
 
  Latest version is available at http://adodb.sourceforge.net
 
  Microsoft Visual FoxPro data driver. Requires ODBC. Works only on MS Windows.
*/

// security - hide paths
if (!defined('ADODB_DIR')) die();
include(
ADODB_DIR."/drivers/adodb-db2.inc.php");


if (!
defined('ADODB_DB2OCI')){
define('ADODB_DB2OCI',1);

/*
// regex code for smart remapping of :0, :1 bind vars to ? ?
function _colontrack($p)
{
global $_COLONARR,$_COLONSZ;
    $v = (integer) substr($p,1);
    if ($v > $_COLONSZ) return $p;
    $_COLONARR[] = $v;
    return '?';
}

// smart remapping of :0, :1 bind vars to ? ?
function _colonscope($sql,$arr)
{
global $_COLONARR,$_COLONSZ;

    $_COLONARR = array();
    $_COLONSZ = sizeof($arr);
   
    $sql2 = preg_replace("/(:[0-9]+)/e","_colontrack('\\1')",$sql);
   
    if (empty($_COLONARR)) return array($sql,$arr);
   
    foreach($_COLONARR as $k => $v) {
        $arr2[] = $arr[$v];
    }
   
    return array($sql2,$arr2);
}
*/

/*
    Smart remapping of :0, :1 bind vars to ? ?
   
    Handles colons in comments -- and / * * / and in quoted strings.
*/

function _colonparser($sql,$arr)
{
   
$lensql = strlen($sql);
   
$arrsize = sizeof($arr);
   
$state = 'NORM';
   
$at = 1;
   
$ch = $sql[0];
   
$ch2 = @$sql[1];
   
$sql2 = '';
   
$arr2 = array();
   
$nprev = 0;
   
   
    while (
strlen($ch)) {
   
        switch(
$ch) {
        case
'/':
            if (
$state == 'NORM' && $ch2 == '*') {
               
$state = 'COMMENT';
               
               
$at += 1;
               
$ch = $ch2;
               
$ch2 = $at < $lensql ? $sql[$at] : '';
            }
            break;
           
        case
'*':
            if (
$state == 'COMMENT' && $ch2 == '/') {
               
$state = 'NORM';
               
               
$at += 1;
               
$ch = $ch2;
               
$ch2 = $at < $lensql ? $sql[$at] : '';
            }
            break;
       
        case
"\n":
        case
"\r":
            if (
$state == 'COMMENT2') $state = 'NORM';
            break;
       
        case
"'":
            do {
               
$at += 1;
               
$ch = $ch2;
               
$ch2 = $at < $lensql ? $sql[$at] : '';
            } while (
$ch !== "'");
            break;
           
        case
':':
            if (
$state == 'COMMENT' || $state == 'COMMENT2') break;
           
           
//echo "$at=$ch $ch2, ";
           
if ('0' <= $ch2 && $ch2 <= '9') {
               
$n = '';
               
$nat = $at;
                do {
                   
$at += 1;
                   
$ch = $ch2;
                   
$n .= $ch;
                   
$ch2 = $at < $lensql ? $sql[$at] : '';
                } while (
'0' <= $ch && $ch <= '9');
               
#echo "$n $arrsize ] ";
               
$n = (integer) $n;
                if (
$n < $arrsize) {
                   
$sql2 .= substr($sql,$nprev,$nat-$nprev-1).'?';
                   
$nprev = $at-1;
                   
$arr2[] = $arr[$n];
                }
            }
            break;
           
        case
'-':
            if (
$state == 'NORM') {
                if (
$ch2 == '-') $state = 'COMMENT2';
               
$at += 1;
               
$ch = $ch2;
               
$ch2 = $at < $lensql ? $sql[$at] : '';
            }
            break;
        }
       
       
$at += 1;
       
$ch = $ch2;
       
$ch2 = $at < $lensql ? $sql[$at] : '';
    }
   
    if (
$nprev == 0) {
       
$sql2 = $sql;
    } else {
       
$sql2 .= substr($sql,$nprev);
    }
   
    return array(
$sql2,$arr2);
}

class
ADODB_db2oci extends ADODB_db2 {
    var
$databaseType = "db2oci";
    var
$sysTimeStamp = 'sysdate';
    var
$sysDate = 'trunc(sysdate)';
    var
$_bindInputArray = true;
   
    function
ADODB_db2oci()
    {
       
parent::ADODB_db2();
    }
   
    function
Param($name,$type='C')
    {
        return
':'.$name;
    }
   
   
    function
MetaTables($ttype=false,$schema=false)
    {
    global
$ADODB_FETCH_MODE;
   
       
$savem = $ADODB_FETCH_MODE;
       
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
       
$qid = db2_tables($this->_connectionID);
       
       
$rs = new ADORecordSet_db2($qid);
       
       
$ADODB_FETCH_MODE = $savem;
        if (!
$rs) {
           
$false = false;
            return
$false;
        }
       
       
$arr = $rs->GetArray();
       
$rs->Close();
       
$arr2 = array();
   
// adodb_pr($arr);
       
if ($ttype) {
           
$isview = strncmp($ttype,'V',1) === 0;
        }
        for (
$i=0; $i < sizeof($arr); $i++) {
            if (!
$arr[$i][2]) continue;
           
$type = $arr[$i][3];
           
$schemaval = ($schema) ? $arr[$i][1].'.' : '';
           
$name = $schemaval.$arr[$i][2];
           
$owner = $arr[$i][1];
            if (
substr($name,0,8) == 'EXPLAIN_') continue;
            if (
$ttype) {
                if (
$isview) {
                    if (
strncmp($type,'V',1) === 0) $arr2[] = $name;
                } else if (
strncmp($type,'T',1) === 0 && strncmp($owner,'SYS',3) !== 0) $arr2[] = $name;
            } else if (
strncmp($type,'T',1) === 0 && strncmp($owner,'SYS',3) !== 0) $arr2[] = $name;
        }
        return
$arr2;
    }
   
    function
_Execute($sql, $inputarr=false )
    {
        if (
$inputarr) list($sql,$inputarr) = _colonparser($sql, $inputarr);
        return
parent::_Execute($sql, $inputarr);
    }
};
 

class
ADORecordSet_db2oci extends ADORecordSet_db2 {
   
    var
$databaseType = "db2oci";
   
    function
ADORecordSet_db2oci($id,$mode=false)
    {
        return
$this->ADORecordSet_db2($id,$mode);
    }
}

}
//define
?>