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start work on integrating oracle patches from Remi Mollon <Remi.Mollon@cern.ch>

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This commit is contained in:
Klas Lindfors 2012-06-12 09:22:46 +02:00
parent 060b35453d
commit dd9f567e22
3 changed files with 452 additions and 162 deletions
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227
ykval-db-oci.php Normal file
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@ -0,0 +1,227 @@
<?php
/**
* Class for managing oracle database connection
*/
require_once('ykval-log.php');
require_once('ykval-db.php');
class OciDb extends DB
{
/**
* Constructor
*
* @param string $host Database host
* @param string $user Database user
* @param string $pwd Database password
* @param string $name Database table name
* @return void
*
*/
public function __construct($db_dsn, $db_username, $db_password, $db_options, $name='ykval-db')
{
$this->db_dsn=$db_dsn;
$this->db_username=$db_username;
$this->db_password=$db_password;
$this->db_options=$db_options;
if(substr($db_dsn, 0, 3) == 'oci') {
# "oci:" prefix needs to be removed before passing db_dsn to OCI
$this->db_dsn = substr($this->db_dsn, 4);
}
$this->myLog=new Log($name);
}
/**
* function to connect to database defined in config.php
*
* @return boolean True on success, otherwise false.
*
*/
public function connect(){
$this->dbh = oci_connect($this->db_username, $this->db_password, $this->db_dsn);
if (!$this->dbh) {
$error = oci_error();
$this->myLog->log(LOG_CRIT, "Database connection error: " . $error["message"]);
$this->dbh=Null;
return false;
}
return true;
}
private function query($query, $returnresult=false) {
if(!$this->isConnected()) {
$this->connect();
}
if($this->isConnected()) {
$this->myLog->log(LOG_DEBUG, 'DB query is: ' . $query);
# OCI mode
$result = oci_parse($this->dbh, $query);
if(!oci_execute($result)) {
$this->myLog->log(LOG_INFO, 'Database query error: ' . preg_replace('/\n/',' ',print_r(oci_error($result), true)));
$this->dbh = Null;
return false;
}
$this->result = $result;
if ($returnresult) return $this->result;
else return true;
} else {
$this->myLog->log(LOG_CRIT, 'No database connection');
return false;
}
}
/**
* function to get a row from the query result
* Once all rows have been fetch, function closeCursor needs to be called
*
* @param object $result Query result object or null to use the current one
* @return array a query row
*
*/
public function fetchArray($result=null){
if(!$result) $result = $this->result;
if(!$result) return null;
return oci_fetch_array($result, OCI_ASSOC);
}
/**
* function to close the cursor after having fetched rows
*
* @param object $result Query result object or null to use the current one
*
*/
public function closeCursor($result=null){
}
/**
* main function used to get rows by multiple key=>value pairs from Db table.
*
* @param string $table Database table to update row in
* @param array $where Array with column=>values to select rows by
* @param int $nr Number of rows to collect. NULL=>inifinity. Default=NULL.
* @param int $rev rev=1 indicates order should be reversed. Default=NULL.
* @param string distinct Select rows with distinct columns, Default=NULL
* @return mixed Array with values from Db row or 2d-array with multiple rows
*
*/
public function findByMultiple($table, $where, $nr=null, $rev=null, $distinct=null)
{
$value=""; /* quiet the PHP Notice */
$match=null; /* quiet the PHP Notice */
# LIMIT doesn't exist in Oracle, so we encapsulate the query to be
# able to filter a given number of rows afterwars (after ordering)
$query="SELECT * FROM (SELECT";
if ($distinct!=null) {
$query.= " DISTINCT " . $distinct;
} else {
$query.= " *";
}
$query.= " FROM " . $table;
if ($where!=null){
foreach ($where as $key=>$value) {
if ($key!=null) {
if ($value!=null) $match.= " ". $key . " = '" . $value . "' and";
else $match.= " ". $key . " is NULL and";
}
}
if ($match!=null) $query .= " WHERE" . $match;
$query=rtrim($query, "and");
$query=rtrim($query);
}
if ($rev==1) $query.= " ORDER BY id DESC";
if ($nr!=null) {
$query .= ") WHERE rownum < " . ($nr+1);
}
$result = $this->query($query, true);
if (!$result) return false;
if ($nr==1) {
$row = $this->fetchArray($result);
$this->closeCursor($result);
return $row;
}
else {
$collection=array();
while($row = $this->fetchArray($result)){
$collection[]=$row;
}
$this->closeCursor($result);
return $collection;
}
}
/**
* main function used to delete rows by multiple key=>value pairs from Db table.
*
* @param string $table Database table to delete row in
* @param array $where Array with column=>values to select rows by
* @param int $nr Number of rows to collect. NULL=>inifinity. Default=NULL.
* @param int $rev rev=1 indicates order should be reversed. Default=NULL.
* @param string distinct Select rows with distinct columns, Default=NULL
* @return boolean True on success, otherwise false.
*
*/
public function deleteByMultiple($table, $where, $nr=null, $rev=null)
{
$query="DELETE";
$query.= " FROM " . $table;
$query .= " WHERE id IN (SELECT id FROM " . $table;
if ($where!=null){
$query.= " WHERE";
foreach ($where as $key=>$value) {
$query.= " ". $key . " = '" . $value . "' and";
}
$query=rtrim($query, "and");
$query=rtrim($query);
}
if ($rev==1) $query.= " ORDER BY id DESC";
$query .= ")";
if ($nr!=null) $query.= " and rownum < " . ($nr+1);
return $this->query($query, false);
}
/**
* Function to get the number of rows
*
* @param object $result Query result object or null to use the current one
* @return int number of rows affected by last statement or 0 if database connection is not functional.
*
*/
public function rowCount($result=null)
{
if(!$result) $result = $this->result;
if($result) {
return oci_num_rows($result);
} else {
return 0;
}
}
/**
* Function to return the value corresponding to a given attribute name
* PDO requires lower case strings, whereas OCI requires upper case strings
*
* @param array $row Query result's row
* @param string $key Attribute name
* @return string Value of the attribute in this row
*
*/
public function getRowValue($row, $key)
{
$attr = strtoupper($key);
return $row[$attr];
}
}
?>

225
ykval-db-pdo.php Normal file
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@ -0,0 +1,225 @@
<?php
/**
* Class for managing database connection
*/
require_once('ykval-log.php');
require_once('ykval-db.php');
class PdoDb
{
/**
* Constructor
*
* @param string $host Database host
* @param string $user Database user
* @param string $pwd Database password
* @param string $name Database table name
* @return void
*
*/
public function __construct($db_dsn, $db_username, $db_password, $db_options, $name='ykval-db')
{
$this->db_dsn=$db_dsn;
$this->db_username=$db_username;
$this->db_password=$db_password;
$this->db_options=$db_options;
$this->myLog=new Log($name);
}
/**
* function to connect to database defined in config.php
*
* @return boolean True on success, otherwise false.
*
*/
public function connect(){
try {
$this->dbh = new PDO($this->db_dsn, $this->db_username, $this->db_password, $this->db_options);
} catch (PDOException $e) {
$this->myLog->log(LOG_CRIT, "Database connection error: " . $e->getMessage());
$this->dbh=Null;
return false;
}
return true;
}
private function query($query, $returnresult=false) {
if(!$this->isConnected()) {
$this->connect();
}
if($this->isConnected()) {
$this->myLog->log(LOG_DEBUG, 'DB query is: ' . $query);
try {
$this->result = $this->dbh->query($query);
} catch (PDOException $e) {
$this->myLog->log(LOG_INFO, 'Database query error: ' . preg_replace('/\n/',' ',print_r($this->dbh->errorInfo(), true)));
$this->dbh = Null;
return false;
}
if ($returnresult) return $this->result;
else return true;
} else {
$this->myLog->log(LOG_CRIT, 'No database connection');
return false;
}
}
/**
* function to get a row from the query result
* Once all rows have been fetch, function closeCursor needs to be called
*
* @param object $result Query result object or null to use the current one
* @return array a query row
*
*/
public function fetchArray($result=null){
if(!$result) $result = $this->result;
if(!$result) return null;
return $result->fetch(PDO::FETCH_ASSOC);
}
/**
* function to close the cursor after having fetched rows
*
* @param object $result Query result object or null to use the current one
*
*/
public function closeCursor($result=null){
if(!$result) $result = $this->result;
$result->closeCursor();
}
public function truncateTable($name)
{
$this->query("TRUNCATE TABLE " . $name);
}
/**
* main function used to get rows by multiple key=>value pairs from Db table.
*
* @param string $table Database table to update row in
* @param array $where Array with column=>values to select rows by
* @param int $nr Number of rows to collect. NULL=>inifinity. Default=NULL.
* @param int $rev rev=1 indicates order should be reversed. Default=NULL.
* @param string distinct Select rows with distinct columns, Default=NULL
* @return mixed Array with values from Db row or 2d-array with multiple rows
*
*/
public function findByMultiple($table, $where, $nr=null, $rev=null, $distinct=null)
{
$value=""; /* quiet the PHP Notice */
$match=null; /* quiet the PHP Notice */
$query="SELECT";
if ($distinct!=null) {
$query.= " DISTINCT " . $distinct;
} else {
$query.= " *";
}
$query.= " FROM " . $table;
if ($where!=null){
foreach ($where as $key=>$value) {
if ($key!=null) {
if ($value!=null) $match.= " ". $key . " = '" . $value . "' and";
else $match.= " ". $key . " is NULL and";
}
}
if ($match!=null) $query .= " WHERE" . $match;
$query=rtrim($query, "and");
$query=rtrim($query);
}
if ($rev==1) $query.= " ORDER BY id DESC";
if ($nr!=null) $query.= " LIMIT " . $nr;
$result = $this->query($query, true);
if (!$result) return false;
if ($nr==1) {
$row = $this->fetchArray($result);
$this->closeCursor($result);
return $row;
}
else {
$collection=array();
while($row = $this->fetchArray($result)){
$collection[]=$row;
}
$this->closeCursor($result);
return $collection;
}
}
/**
* main function used to delete rows by multiple key=>value pairs from Db table.
*
* @param string $table Database table to delete row in
* @param array $where Array with column=>values to select rows by
* @param int $nr Number of rows to collect. NULL=>inifinity. Default=NULL.
* @param int $rev rev=1 indicates order should be reversed. Default=NULL.
* @param string distinct Select rows with distinct columns, Default=NULL
* @return boolean True on success, otherwise false.
*
*/
public function deleteByMultiple($table, $where, $nr=null, $rev=null)
{
$query="DELETE";
$query.= " FROM " . $table;
if ($where!=null){
$query.= " WHERE";
foreach ($where as $key=>$value) {
$query.= " ". $key . " = '" . $value . "' and";
}
$query=rtrim($query, "and");
$query=rtrim($query);
}
if ($rev==1) $query.= " ORDER BY id DESC";
if ($nr!=null) $query.= " LIMIT " . $nr;
return $this->query($query, false);
}
/**
* Function to get the number of rows
*
* @param object $result Query result object or null to use the current one
* @return int number of rows affected by last statement or 0 if database connection is not functional.
*
*/
public function rowCount($result=null)
{
if(!$result) $result = $this->result;
if($result) {
$count = count($result->fetchAll());
$result->closeCursor();
return $count;
} else {
return 0;
}
}
/**
* Function to return the value corresponding to a given attribute name
* PDO requires lower case strings, whereas OCI requires upper case strings
*
* @param array $row Query result's row
* @param string $key Attribute name
* @return string Value of the attribute in this row
*
*/
public function getRowValue($row, $key)
{
return $row[$key];
}
}
?>

162
ykval-db.php
View File

@ -9,28 +9,6 @@ require_once('ykval-log.php');
class Db class Db
{ {
/**
* Constructor
*
* @param string $host Database host
* @param string $user Database user
* @param string $pwd Database password
* @param string $name Database table name
* @return void
*
*/
public function __construct($db_dsn, $db_username, $db_password, $db_options, $name='ykval-db')
{
$this->db_dsn=$db_dsn;
$this->db_username=$db_username;
$this->db_password=$db_password;
$this->db_options=$db_options;
$this->myLog=new Log($name);
}
function addField($name, $value) function addField($name, $value)
{ {
$this->myLog->addField($name, $value); $this->myLog->addField($name, $value);
@ -85,45 +63,6 @@ class Db
if ($this->dbh!=NULL) return True; if ($this->dbh!=NULL) return True;
else return False; else return False;
} }
/**
* function to connect to database defined in config.php
*
* @return boolean True on success, otherwise false.
*
*/
public function connect(){
try {
$this->dbh = new PDO($this->db_dsn, $this->db_username, $this->db_password, $this->db_options);
} catch (PDOException $e) {
$this->myLog->log(LOG_CRIT, "Database connection error: " . $e->getMessage());
$this->dbh=Null;
return false;
}
return true;
}
private function query($query, $returnresult=false) {
if(!$this->isConnected()) {
$this->connect();
}
if($this->isConnected()) {
$this->myLog->log(LOG_DEBUG, 'DB query is: ' . $query);
try {
$this->result = $this->dbh->query($query);
} catch (PDOException $e) {
$this->myLog->log(LOG_INFO, 'Database query error: ' . preg_replace('/\n/',' ',print_r($this->dbh->errorInfo(), true)));
$this->dbh = Null;
return false;
}
if ($returnresult) return $this->result;
else return true;
} else {
$this->myLog->log(LOG_CRIT, 'No database connection');
return false;
}
}
public function truncateTable($name) public function truncateTable($name)
{ {
@ -273,90 +212,6 @@ or false on failure.
return $this->findByMultiple($table, array($key=>$value), $nr, $rev); return $this->findByMultiple($table, array($key=>$value), $nr, $rev);
} }
/**
* main function used to get rows by multiple key=>value pairs from Db table.
*
* @param string $table Database table to update row in
* @param array $where Array with column=>values to select rows by
* @param int $nr Number of rows to collect. NULL=>inifinity. Default=NULL.
* @param int $rev rev=1 indicates order should be reversed. Default=NULL.
* @param string distinct Select rows with distinct columns, Default=NULL
* @return mixed Array with values from Db row or 2d-array with multiple rows
*
*/
public function findByMultiple($table, $where, $nr=null, $rev=null, $distinct=null)
{
$value=""; /* quiet the PHP Notice */
$match=null; /* quiet the PHP Notice */
$query="SELECT";
if ($distinct!=null) {
$query.= " DISTINCT " . $distinct;
} else {
$query.= " *";
}
$query.= " FROM " . $table;
if ($where!=null){
foreach ($where as $key=>$value) {
if ($key!=null) {
if ($value!=null) $match.= " ". $key . " = '" . $value . "' and";
else $match.= " ". $key . " is NULL and";
}
}
if ($match!=null) $query .= " WHERE" . $match;
$query=rtrim($query, "and");
$query=rtrim($query);
}
if ($rev==1) $query.= " ORDER BY id DESC";
if ($nr!=null) $query.= " LIMIT " . $nr;
$result = $this->query($query, true);
if (!$result) return false;
if ($nr==1) {
$row = $result->fetch(PDO::FETCH_ASSOC);
$result->closeCursor();
return $row;
}
else {
$collection=array();
while($row = $result->fetch(PDO::FETCH_ASSOC)){
$collection[]=$row;
}
$result->closeCursor();
return $collection;
}
}
/**
* main function used to delete rows by multiple key=>value pairs from Db table.
*
* @param string $table Database table to delete row in
* @param array $where Array with column=>values to select rows by
* @param int $nr Number of rows to collect. NULL=>inifinity. Default=NULL.
* @param int $rev rev=1 indicates order should be reversed. Default=NULL.
* @param string distinct Select rows with distinct columns, Default=NULL
* @return boolean True on success, otherwise false.
*
*/
public function deleteByMultiple($table, $where, $nr=null, $rev=null)
{
$query="DELETE";
$query.= " FROM " . $table;
if ($where!=null){
$query.= " WHERE";
foreach ($where as $key=>$value) {
$query.= " ". $key . " = '" . $value . "' and";
}
$query=rtrim($query, "and");
$query=rtrim($query);
}
if ($rev==1) $query.= " ORDER BY id DESC";
if ($nr!=null) $query.= " LIMIT " . $nr;
return $this->query($query, false);
}
/** /**
* Function to do a custom query on database connection * Function to do a custom query on database connection
* *
@ -369,23 +224,6 @@ or false on failure.
return $this->query($query, true); return $this->query($query, true);
} }
/**
* Function to do a custom query on database connection
*
* @return int number of rows affected by last statement or 0 if database connection is not functional.
*
*/
public function rowCount()
{
if($this->result) {
$count=count($this->result->fetchAll());
$this->result->closeCursor();
return $count;
} else {
return 0;
}
}
/** /**
* helper function used to get rows from Db table in reversed order. * helper function used to get rows from Db table in reversed order.
* defaults to obtaining 1 row. * defaults to obtaining 1 row.