mirror of https://github.com/BOINC/boinc.git
113 lines
3.4 KiB
PHP
113 lines
3.4 KiB
PHP
<?php
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/* Should not be enabled for public code */
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//ini_set('display_errors', 'stdout');
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//error_reporting(E_ALL);
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// represents a connection to a database.
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// Intended to be subclassed (e.g., BoincDb, BossaDb)
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class DbConn {
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var $db_conn;
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var $db_name;
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function init_conn($user, $passwd, $host, $name) {
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$this->db_conn = mysql_pconnect($host, $user, $passwd);
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if (!$this->db_conn) {
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return false;
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}
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$this->db_name = $name;
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return true;
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}
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function do_query($query) {
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$q = str_replace('DBNAME', $this->db_name, $query);
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//echo "query: $q";
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$ret = mysql_query($q, $this->db_conn);
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if (!$ret) {
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echo "database error: ", mysql_error(), "\n<pre>";
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//var_dump(debug_backtrace());
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echo "</pre>query: $q\n";
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}
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return $ret;
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}
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function lookup($table, $classname, $clause) {
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$query = "select * from DBNAME.$table where $clause";
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$result = $this->do_query($query);
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if (!$result) {
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echo "database error: ", mysql_error(), "\n";
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var_dump(debug_backtrace());
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echo $query;
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echo mysql_error();
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return null;
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}
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$obj = mysql_fetch_object($result, $classname);
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mysql_free_result($result);
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return $obj;
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}
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function lookup_id($id, $table, $classname) {
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return $this->lookup($table, $classname, "id=$id");
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}
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function enum_fields(
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$table, $classname, $fields, $where_clause, $order_clause
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) {
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$x = array();
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if ($where_clause) {
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$where_clause = "where $where_clause";
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}
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$query = "select $fields from DBNAME.$table $where_clause $order_clause";
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$result = $this->do_query($query);
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if (!$result) return null;
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while ($obj = mysql_fetch_object($result, $classname)) {
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$x[] = $obj;
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}
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mysql_free_result($result);
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return $x;
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}
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function enum($table, $classname, $where_clause=null, $order_clause=null) {
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return self::enum_fields(
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$table, $classname, '*', $where_clause, $order_clause
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);
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}
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function update($obj, $table, $clause) {
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$query = "update DBNAME.$table set $clause where id=$obj->id";
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return $this->do_query($query);
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}
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function update_aux($table, $clause) {
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$query = "update DBNAME.$table set $clause";
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return $this->do_query($query);
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}
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function insert($table, $clause) {
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$query = "insert into DBNAME.$table $clause";
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return $this->do_query($query);
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}
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function delete($obj, $table) {
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$query = "delete from DBNAME.$table where id=$obj->id";
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return $this->do_query($query);
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}
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function delete_aux($table, $clause) {
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$query = "delete from DBNAME.$table where $clause";
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return $this->do_query($query);
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}
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function insert_id() {
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return mysql_insert_id($this->db_conn);
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}
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function count($table, $clause) {
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$query = "select count(*) as total from DBNAME.$table where $clause";
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$result = $this->do_query($query);
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$cnt = mysql_fetch_object($result);
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if ($cnt) return $cnt->total;
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return null;
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mysql_free_result($result);
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}
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function base_escape_string($string) {
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return mysql_real_escape_string($string, $this->db_conn);
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}
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}
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?>
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