From d582054c77b22daeb08d2bff17794b9a69a20dd4 Mon Sep 17 00:00:00 2001
From: mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>
Date: Wed, 12 Dec 2007 16:29:16 +0000
Subject: import of scuttle 0.7.2

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@1 b3834d28-1941-0410-a4f8-b48e95affb8f
---
 includes/db/oracle.php | 468 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 468 insertions(+)
 create mode 100644 includes/db/oracle.php

(limited to 'includes/db/oracle.php')

diff --git a/includes/db/oracle.php b/includes/db/oracle.php
new file mode 100644
index 0000000..7ef10e5
--- /dev/null
+++ b/includes/db/oracle.php
@@ -0,0 +1,468 @@
+<?php
+/** 
+*
+* @package dbal_oracle
+* @version $Id: oracle.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if(!defined("SQL_LAYER"))
+{
+
+define("SQL_LAYER","oracle");
+
+/**
+* @package dbal_oracle
+* Oracle Database Abstraction Layer
+*/
+class sql_db
+{
+
+	var $db_connect_id;
+	var $query_result;
+	var $in_transaction = 0;
+	var $row = array();
+	var $rowset = array();
+	var $num_queries = 0;
+	var $last_query_text = "";
+
+	//
+	// Constructor
+	//
+	function sql_db($sqlserver, $sqluser, $sqlpassword, $database="", $persistency = true)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->password = $sqlpassword;
+		$this->server = $sqlserver;
+		$this->dbname = $database;
+
+		if($this->persistency)
+		{
+			$this->db_connect_id = @OCIPLogon($this->user, $this->password, $this->server);
+		}
+		else
+		{
+			$this->db_connect_id = @OCINLogon($this->user, $this->password, $this->server);
+		}
+		if($this->db_connect_id)
+		{
+			return $this->db_connect_id;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if($this->db_connect_id)
+		{
+			// Commit outstanding transactions
+			if($this->in_transaction)
+			{
+				OCICommit($this->db_connect_id);
+			}
+
+			if($this->query_result)
+			{
+				@OCIFreeStatement($this->query_result);
+			}
+			$result = @OCILogoff($this->db_connect_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	//
+	// Base query method
+	//
+	function sql_query($query = "", $transaction = FALSE)
+	{
+		// Remove any pre-existing queries
+		unset($this->query_result);
+
+		// Put us in transaction mode because with Oracle as soon as you make a query you're in a transaction
+		$this->in_transaction = TRUE;
+
+		if($query != "")
+		{
+			$this->last_query = $query;
+			$this->num_queries++;
+
+			if(eregi("LIMIT", $query))
+			{
+				preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits);
+
+				$query = $limits[1];
+				if($limits[3])
+				{
+					$row_offset = $limits[2];
+					$num_rows = $limits[3];
+				}
+				else
+				{
+					$row_offset = 0;
+					$num_rows = $limits[2];
+				}
+			}
+
+			if(eregi("^(INSERT|UPDATE) ", $query))
+			{
+				$query = preg_replace("/\\\'/s", "''", $query);
+			}
+
+			$this->query_result = @OCIParse($this->db_connect_id, $query);
+			$success = @OCIExecute($this->query_result, OCI_DEFAULT);
+		}
+		if($success)
+		{
+			if($transaction == END_TRANSACTION)
+			{
+				OCICommit($this->db_connect_id);
+				$this->in_transaction = FALSE;
+			}
+
+			unset($this->row[$this->query_result]);
+			unset($this->rowset[$this->query_result]);
+			$this->last_query_text[$this->query_result] = $query;
+
+			return $this->query_result;
+		}
+		else
+		{
+			if($this->in_transaction)
+			{
+				OCIRollback($this->db_connect_id);
+			}
+			return false;
+		}
+	}
+
+	//
+	// Other query methods
+	//
+	function sql_numrows($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCIFetchStatement($query_id, $this->rowset);
+			// OCIFetchStatment kills our query result so we have to execute the statment again
+			// if we ever want to use the query_id again.
+			@OCIExecute($query_id, OCI_DEFAULT);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_affectedrows($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCIRowCount($query_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_numfields($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCINumCols($query_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fieldname($offset, $query_id = 0)
+	{
+		// OCIColumnName uses a 1 based array so we have to up the offset by 1 in here to maintain
+		// full abstraction compatibitly
+		$offset += 1;
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = strtolower(@OCIColumnName($query_id, $offset));
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fieldtype($offset, $query_id = 0)
+	{
+		// This situation is the same as fieldname
+		$offset += 1;
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCIColumnType($query_id, $offset);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchrow($query_id = 0, $debug = FALSE)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result_row = "";
+			$result = @OCIFetchInto($query_id, $result_row, OCI_ASSOC+OCI_RETURN_NULLS);
+			if($debug)
+			{
+				echo "Query was: ".$this->last_query . "<br>";
+				echo "Result: $result<br>";
+				echo "Query ID: $query_id<br>";
+				echo "<pre>";
+				var_dump($result_row);
+				echo "</pre>";
+			}
+			if($result_row == "")
+			{
+				return false;
+			}
+
+			for($i = 0; $i < count($result_row); $i++)
+			{
+				list($key, $val) = each($result_row);
+				$return_arr[strtolower($key)] = $val;
+			}
+			$this->row[$query_id] = $return_arr;
+
+			return $this->row[$query_id];
+		}
+		else
+		{
+			return false;
+		}
+	}
+	// This function probably isn't as efficant is it could be but any other way I do it
+	// I end up losing 1 row...
+	function sql_fetchrowset($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$rows = @OCIFetchStatement($query_id, $results);
+			@OCIExecute($query_id, OCI_DEFAULT);
+			for($i = 0; $i <= $rows; $i++)
+			{
+				@OCIFetchInto($query_id, $tmp_result, OCI_ASSOC+OCI_RETURN_NULLS);
+
+				for($j = 0; $j < count($tmp_result); $j++)
+				{
+					list($key, $val) = each($tmp_result);
+					$return_arr[strtolower($key)] = $val;
+				}
+				$result[] = $return_arr;
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchfield($field, $rownum = -1, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			if($rownum > -1)
+			{
+				// Reset the internal rownum pointer.
+				@OCIExecute($query_id, OCI_DEFAULT);
+				for($i = 0; $i < $rownum; $i++)
+				  {
+						// Move the interal pointer to the row we want
+						@OCIFetch($query_id);
+				  }
+				// Get the field data.
+				$result = @OCIResult($query_id, strtoupper($field));
+			}
+			else
+			{
+				// The internal pointer should be where we want it
+				// so we just grab the field out of the current row.
+				$result = @OCIResult($query_id, strtoupper($field));
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_rowseek($rownum, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+				$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+				@OCIExecute($query_id, OCI_DEFAULT);
+			for($i = 0; $i < $rownum; $i++)
+				{
+					@OCIFetch($query_id);
+				}
+			$result = @OCIFetch($query_id);
+			return $result;
+		}
+		else
+		{
+				return false;
+		}
+	}
+	function sql_nextid($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id && $this->last_query_text[$query_id] != "")
+		{
+			if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
+			{
+				$query = "SELECT ".$tablename[2]."_id_seq.currval FROM DUAL";
+				$stmt = @OCIParse($this->db_connect_id, $query);
+				@OCIExecute($stmt,OCI_DEFAULT );
+				$temp_result = @OCIFetchInto($stmt, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
+				if($temp_result)
+				{
+					return $temp_result['CURRVAL'];
+				}
+				else
+				{
+					return false;
+				}
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_nextid($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id && $this->last_query_text[$query_id] != "")
+		{
+			if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
+			{
+				$query = "SELECT ".$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
+
+?>
\ No newline at end of file
-- 
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