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[friendica.git] / include / dba.php

diff --git a/include/dba.php b/include/dba.php
index fd403b56097c63908d0fab2abdc918ce0aeb153e..d3da8eae055471b656142dad8ee6b63fb0944740 100644 (file)
--- a/include/dba.php
+++ b/include/dba.php
@@ -16,11 +16,16 @@ class dba {
 
        private $debug = 0;
        private $db;
+       public  $connected = false;
 
        function __construct($server,$user,$pass,$db,$install = false) {
                $this->db = @new mysqli($server,$user,$pass,$db);
-               if((mysqli_connect_errno()) && (! $install))
-                       system_unavailable();    
+               if((mysqli_connect_errno()) && (! $install)) {
+                       $this->db = null;
+                       system_unavailable();
+               }
+               else
+                       $this->connected = true;    
        }
 
        public function getdb() {
@@ -28,7 +33,6 @@ class dba {
        }
 
        public function q($sql) {
-               global $debug_text;
                
                if(! $this->db )
                        return false;
@@ -47,7 +51,7 @@ class dba {
                        elseif($result === true)
                                $mesg = 'true';
                        else
-                               $mesg = $result->num_rows.' results' . EOL;
+                               $mesg = $result->num_rows . ' results' . EOL;
         
                        $str =  'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg . EOL;
 
@@ -115,7 +119,10 @@ function dbg($state) {
 if(! function_exists('dbesc')) { 
 function dbesc($str) {
        global $db;
-       return($db->escape($str));
+       if($db->connected)
+               return($db->escape($str));
+       else
+               return(str_replace("'","\\'",$str));
 }}
 
 
@@ -130,17 +137,38 @@ function q($sql) {
        global $db;
        $args = func_get_args();
        unset($args[0]);
-       $ret = $db->q(vsprintf($sql,$args));
-       return $ret;
+
+       if($db->connected) {
+               $ret = $db->q(vsprintf($sql,$args));
+               return $ret;
+       }
+
+       /**
+        *
+        * This will happen occasionally trying to store the 
+        * session data after abnormal program termination 
+        *
+        */
+
+       logger('dba: no database: ' . print_r($args,true));
+       return false; 
+
 }}
 
-// raw db query, no arguments
+/**
+ *
+ * Raw db query, no arguments
+ *
+ */
 
 if(! function_exists('dbq')) { 
 function dbq($sql) {
 
        global $db;
-       $ret = $db->q($sql);
+       if($db->connected)
+               $ret = $db->q($sql);
+       else
+               $ret = false;
        return $ret;
 }}