468 lines
8.6 KiB
PHP
468 lines
8.6 KiB
PHP
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<?php
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/**
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*
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* @package dbal_oracle
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* @version $Id: oracle.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @ignore
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*/
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if(!defined("SQL_LAYER"))
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{
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define("SQL_LAYER","oracle");
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/**
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* @package dbal_oracle
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* Oracle Database Abstraction Layer
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*/
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class sql_db
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{
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var $db_connect_id;
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var $query_result;
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var $in_transaction = 0;
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var $row = array();
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var $rowset = array();
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var $num_queries = 0;
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var $last_query_text = "";
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//
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// Constructor
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//
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function sql_db($sqlserver, $sqluser, $sqlpassword, $database="", $persistency = true)
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{
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$this->persistency = $persistency;
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$this->user = $sqluser;
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$this->password = $sqlpassword;
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$this->server = $sqlserver;
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$this->dbname = $database;
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if($this->persistency)
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{
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$this->db_connect_id = @OCIPLogon($this->user, $this->password, $this->server);
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}
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else
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{
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$this->db_connect_id = @OCINLogon($this->user, $this->password, $this->server);
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}
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if($this->db_connect_id)
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{
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return $this->db_connect_id;
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}
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else
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{
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return false;
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}
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}
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//
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// Other base methods
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//
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function sql_close()
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{
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if($this->db_connect_id)
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{
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// Commit outstanding transactions
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if($this->in_transaction)
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{
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OCICommit($this->db_connect_id);
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}
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if($this->query_result)
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{
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@OCIFreeStatement($this->query_result);
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}
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$result = @OCILogoff($this->db_connect_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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//
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// Base query method
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//
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function sql_query($query = "", $transaction = FALSE)
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{
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// Remove any pre-existing queries
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unset($this->query_result);
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// Put us in transaction mode because with Oracle as soon as you make a query you're in a transaction
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$this->in_transaction = TRUE;
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if($query != "")
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{
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$this->last_query = $query;
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$this->num_queries++;
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if(eregi("LIMIT", $query))
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{
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preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits);
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$query = $limits[1];
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if($limits[3])
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{
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$row_offset = $limits[2];
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$num_rows = $limits[3];
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}
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else
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{
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$row_offset = 0;
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$num_rows = $limits[2];
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}
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}
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if(eregi("^(INSERT|UPDATE) ", $query))
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{
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$query = preg_replace("/\\\'/s", "''", $query);
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}
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$this->query_result = @OCIParse($this->db_connect_id, $query);
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$success = @OCIExecute($this->query_result, OCI_DEFAULT);
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}
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if($success)
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{
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if($transaction == END_TRANSACTION)
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{
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OCICommit($this->db_connect_id);
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$this->in_transaction = FALSE;
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}
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unset($this->row[$this->query_result]);
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unset($this->rowset[$this->query_result]);
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$this->last_query_text[$this->query_result] = $query;
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return $this->query_result;
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}
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else
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{
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if($this->in_transaction)
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{
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OCIRollback($this->db_connect_id);
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}
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return false;
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}
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}
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//
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// Other query methods
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//
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function sql_numrows($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = @OCIFetchStatement($query_id, $this->rowset);
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// OCIFetchStatment kills our query result so we have to execute the statment again
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// if we ever want to use the query_id again.
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@OCIExecute($query_id, OCI_DEFAULT);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_affectedrows($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = @OCIRowCount($query_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_numfields($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = @OCINumCols($query_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fieldname($offset, $query_id = 0)
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{
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// OCIColumnName uses a 1 based array so we have to up the offset by 1 in here to maintain
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// full abstraction compatibitly
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$offset += 1;
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = strtolower(@OCIColumnName($query_id, $offset));
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fieldtype($offset, $query_id = 0)
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{
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// This situation is the same as fieldname
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$offset += 1;
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = @OCIColumnType($query_id, $offset);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fetchrow($query_id = 0, $debug = FALSE)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result_row = "";
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$result = @OCIFetchInto($query_id, $result_row, OCI_ASSOC+OCI_RETURN_NULLS);
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if($debug)
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{
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echo "Query was: ".$this->last_query . "<br>";
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echo "Result: $result<br>";
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echo "Query ID: $query_id<br>";
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echo "<pre>";
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var_dump($result_row);
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echo "</pre>";
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}
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if($result_row == "")
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{
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return false;
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}
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for($i = 0; $i < count($result_row); $i++)
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{
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list($key, $val) = each($result_row);
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$return_arr[strtolower($key)] = $val;
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}
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$this->row[$query_id] = $return_arr;
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return $this->row[$query_id];
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}
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else
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{
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return false;
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}
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}
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// This function probably isn't as efficant is it could be but any other way I do it
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// I end up losing 1 row...
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function sql_fetchrowset($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$rows = @OCIFetchStatement($query_id, $results);
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@OCIExecute($query_id, OCI_DEFAULT);
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for($i = 0; $i <= $rows; $i++)
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{
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@OCIFetchInto($query_id, $tmp_result, OCI_ASSOC+OCI_RETURN_NULLS);
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for($j = 0; $j < count($tmp_result); $j++)
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{
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list($key, $val) = each($tmp_result);
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$return_arr[strtolower($key)] = $val;
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}
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$result[] = $return_arr;
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}
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fetchfield($field, $rownum = -1, $query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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if($rownum > -1)
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{
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// Reset the internal rownum pointer.
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@OCIExecute($query_id, OCI_DEFAULT);
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for($i = 0; $i < $rownum; $i++)
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{
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// Move the interal pointer to the row we want
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@OCIFetch($query_id);
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}
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// Get the field data.
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$result = @OCIResult($query_id, strtoupper($field));
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}
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else
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{
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// The internal pointer should be where we want it
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// so we just grab the field out of the current row.
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$result = @OCIResult($query_id, strtoupper($field));
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}
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_rowseek($rownum, $query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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@OCIExecute($query_id, OCI_DEFAULT);
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for($i = 0; $i < $rownum; $i++)
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{
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@OCIFetch($query_id);
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}
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$result = @OCIFetch($query_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_nextid($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id && $this->last_query_text[$query_id] != "")
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{
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if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
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{
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$query = "SELECT ".$tablename[2]."_id_seq.currval FROM DUAL";
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$stmt = @OCIParse($this->db_connect_id, $query);
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@OCIExecute($stmt,OCI_DEFAULT );
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$temp_result = @OCIFetchInto($stmt, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
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if($temp_result)
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{
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return $temp_result['CURRVAL'];
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}
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else
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{
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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function sql_nextid($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id && $this->last_query_text[$query_id] != "")
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{
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if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
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{
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$query = "SELECT ".$tablename[2]."_id_seq.CURRVAL FROM DUAL";
|
||
|
|
$temp_q_id = @OCIParse($this->db_connect_id, $query);
|
||
|
|
@OCIExecute($temp_q_id, OCI_DEFAULT);
|
||
|
|
@OCIFetchInto($temp_q_id, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
|
||
|
|
|
||
|
|
if($temp_result)
|
||
|
|
{
|
||
|
|
return $temp_result['CURRVAL'];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
function sql_freeresult($query_id = 0)
|
||
|
|
{
|
||
|
|
if(!$query_id)
|
||
|
|
{
|
||
|
|
$query_id = $this->query_result;
|
||
|
|
}
|
||
|
|
if($query_id)
|
||
|
|
{
|
||
|
|
$result = @OCIFreeStatement($query_id);
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function sql_error($query_id = 0)
|
||
|
|
{
|
||
|
|
if(!$query_id)
|
||
|
|
{
|
||
|
|
$query_id = $this->query_result;
|
||
|
|
}
|
||
|
|
$result = @OCIError($query_id);
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // class sql_db
|
||
|
|
|
||
|
|
} // if ... define
|
||
|
|
|
||
|
|
?>
|