<?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 ?>