Unstable release 2.
[fa-stable.git] / admin / db / maintenance_db.inc
index c525f900457c0a79946d5f20cd24c7ca515a58d1..7520e359979d20759f852b120f471bdcd4ace52b 100644 (file)
@@ -18,8 +18,8 @@ function write_config_db($new = false)
        $msg .= "- DatabaseName is the name of the database as defined in the RDMS being used. Typically RDMS allow many databases to be maintained under the same server.\n";
        $msg .= "  The scripts for MySQL provided use the name logicworks */\n\n\n";
 
-       $msg .= "\$def_coy = " . $def_coy . ";\n\n";  
-       $msg .= "\$tb_pref_counter = " . $tb_pref_counter . ";\n\n";  
+       $msg .= "\$def_coy = " . $def_coy . ";\n\n";
+       $msg .= "\$tb_pref_counter = " . $tb_pref_counter . ";\n\n";
        $msg .= "\$db_connections = array (\n";
        $msg .= "\t0 => ";
        for ($i = 0; $i < $n; $i++)
@@ -42,15 +42,15 @@ function write_config_db($new = false)
 
        $filename = $path_to_root . "/config_db.php";
        // Check if the file exists and is writable first.
-       if (file_exists($filename) && is_writable($filename)) 
+       if (file_exists($filename) && is_writable($filename))
        {
-               if (!$zp = fopen($filename, 'w')) 
+               if (!$zp = fopen($filename, 'w'))
                {
                        return -1;
-               } 
-               else 
+               }
+               else
                {
-                       if (!fwrite($zp, $msg)) 
+                       if (!fwrite($zp, $msg))
                        {
                                fclose($zp);
                                return -2;
@@ -58,8 +58,8 @@ function write_config_db($new = false)
                        // Close file
                        fclose($zp);
                }
-       } 
-       else 
+       }
+       else
        {
                return -3;
        }
@@ -75,8 +75,8 @@ function db_create_db($connection)
                $sql = "CREATE DATABASE " . $connection["dbname"] . "";
                if (!mysql_query($sql))
                        return 0;
-               mysql_select_db($connection["dbname"], $db);    
-       }               
+               mysql_select_db($connection["dbname"], $db);
+       }
        return $db;
 }
 
@@ -91,10 +91,10 @@ function db_drop_db($connection)
        {
        $res = db_query("show table status");
        $all_tables = array();
-       while($row = db_fetch($res)) 
+       while($row = db_fetch($res))
                $all_tables[] = $row;
         // get table structures
-               foreach ($all_tables as $table) 
+               foreach ($all_tables as $table)
                {
                        if (strpos($table['Name'], $connection["tbpref"]) !== false)
                                db_query("DROP TABLE `".$table['Name'] . "`");
@@ -102,9 +102,9 @@ function db_drop_db($connection)
                //deleting the tables, how??
                return true;
        }
-}      
+}
 
-function db_import($filename, $connection) 
+function db_import($filename, $connection)
 {
        $data_queries = array();
        $drop_queries = array();
@@ -115,7 +115,7 @@ function db_import($filename, $connection)
                $lines = db_ungzip("lines", $filename);
        elseif (strpos($filename, ".zip") || strpos($filename, ".ZIP"))
                $lines = db_unzip("lines", $filename);
-       else 
+       else
                $lines = file("". $filename);
 
        // divide insert and create sql queries
@@ -126,37 +126,44 @@ function db_import($filename, $connection)
                $line = trim($line);
 
                $line = str_replace("0_", $connection["tbpref"], $line);
+               // $line = str_replace("Y_", "0_", $line);
                // the last line did not belong to a 'create' sql query
-               if (!$table) 
+               if (!$table)
                {
 
                        // this line does not, too
-                       if (strtolower(substr($line,0,6)) == "insert") 
+                       if (strtolower(substr($line,0,6)) == "insert")
                        {
                                $data_queries[] = substr($line, 0, strlen($line) - 1);
 
                        // this line does not, too
-                       } 
-                       elseif (strtolower(substr($line, 0, 20)) == "drop table if exists") 
+                       }
+                       elseif (strtolower(substr($line, 0, 20)) == "drop table if exists")
                        {
                                $drop_queries[] = substr($line, 0, strlen($line) - 1);
 
                        // this line does!
-                       } 
-                       elseif (strtolower(substr($line, 0, 6)) == "create") 
+                       }
+                       elseif (strtolower(substr($line, 0, 6)) == "create")
                        {
                                $table = true;
                                $table_queries[] = $line . "\n";
                        }
+                       elseif (strtolower(substr($line, 0, 11)) == "alter table")
+                       {
+                               $data_queries[] = substr($line, 0, strlen($line) - 1);
+                       }
 
                // the current line belongs to a create sql query
-               } 
-               else 
+               }
+               else
                {
 
                        // create sql query ending in this line
-                       if (strtolower(substr($line, 0, 1)) == ")") 
+                       if (strtolower(substr($line, 0, 1)) == ")") {
                                $table = false;
+                               $line = substr($line,0,strlen($line)-1);
+                 }
                        $table_queries[count($table_queries) - 1] .= $line . "\n";
                }
        }
@@ -164,12 +171,12 @@ function db_import($filename, $connection)
        $sql_error = false;
 
        // execute drop tables if exists queries
-       if (is_array($drop_queries)) 
+       if (is_array($drop_queries))
        {
-               foreach($drop_queries as $drop_query) 
+               foreach($drop_queries as $drop_query)
                {
                        $sql_error = false;
-                       if (!db_query($drop_query)) 
+                       if (!db_query($drop_query))
                        {
                                $sql_error = true;
                                //if ($CONF['import_error']) echo nl2br($drop_query)."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
@@ -178,12 +185,12 @@ function db_import($filename, $connection)
        }
 
        // execute create tables queries
-       if (is_array($table_queries)) 
+       if (is_array($table_queries))
        {
-               foreach($table_queries as $table_query) 
+               foreach($table_queries as $table_query)
                {
                        $sql_error = false;
-                       if (!db_query($table_query)) 
+                       if (!db_query($table_query))
                        {
                                $sql_error = true;
                                //if ($CONF['import_error']) echo nl2br($table_query)."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
@@ -192,24 +199,25 @@ function db_import($filename, $connection)
        }
 
        // execute insert data queries
-       if (is_array($data_queries)) 
+       if (is_array($data_queries))
        {
-               foreach($data_queries as $data_query) 
+               foreach($data_queries as $data_query)
                {
                        $sql_error = false;
                        if (!db_query($data_query))
                        {
                                //if ($CONF['import_error']) echo $data_query."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
                                $sql_error = true;
+                               return false;
                        }
                }
        }
 
        // show number successful executed querys or if an error did occur
-       if ($sql_error == 1) 
+       if ($sql_error == 1)
                return false;
                //echo "<div class=\"red\">".IM_ERROR.".</div>\n";
-       else 
+       else
                return true;
                //echo "<div class=\"green\">".IM_SUCCESS." ".count($table_queries)." ".IM_TABLES." ".count($data_queries)." ".IM_ROWS." (".$import_file.")</div>\n";
        //$shell_command = C_MYSQL_PATH . " -h $host -u $user -p{$password} $dbname < $filename";
@@ -217,18 +225,18 @@ function db_import($filename, $connection)
 }
 
 // returns the content of the gziped $path backup file. use of $mode see below
-function db_ungzip($mode, $path) 
+function db_ungzip($mode, $path)
 {
     $file_data = gzfile($path);
     // returns one string or an array of lines
-    if ($mode != "lines") 
-       return implode("",$file_data); 
-    else 
+    if ($mode != "lines")
+       return implode("",$file_data);
+    else
        return $file_data;
 }
 
 // returns the content of the ziped $path backup file. use of $mode see below
-function db_unzip($mode, $path) 
+function db_unzip($mode, $path)
 {
     $all = false;
     $all = implode("", file($path));
@@ -236,23 +244,23 @@ function db_unzip($mode, $path)
     // convert path to name of ziped file
     $filename = ereg_replace(".*/", "", $path);
     $filename = substr($filename, 0, strlen($filename) - 4);
-       
+
     // compare filname in zip and filename from $_GET
-    if (substr($all, 30, strlen($filename)) != $filename) 
+    if (substr($all, 30, strlen($filename)) != $filename)
     {
                return '';
         // exit if names differ
         //echo F_WRONG_FILE.".";
         //exit;
-    } 
-    else 
+    }
+    else
     {
        // get the suffix of the filename in hex
         $crc_bugfix = substr(substr($filename, 0, strlen($filename) - 4), strlen($filename) - 12 - 4);
         $suffix = false;
 
         // convert hex to ascii
-        for ($i=0; $i < 12; ) 
+        for ($i=0; $i < 12; )
                $suffix .= chr($crc_bugfix[$i++] . $crc_bugfix[$i++] . $crc_bugfix[$i++]);
 
         // remove central directory information (we have always just one ziped file)
@@ -265,35 +273,35 @@ function db_unzip($mode, $path)
     }
 
     // returns one string or an array of lines
-    if ($mode != "lines") 
-       return $file_data; 
-    else 
+    if ($mode != "lines")
+       return $file_data;
+    else
        return explode("\n", $file_data);
 }
 
 // generates a dump of $db database
 // $drop and $zip tell if to include the drop table statement or dry to pack
-function db_export($conn, $filename, $zip='no', $comment='') 
+function db_export($conn, $filename, $zip='no', $comment='')
 {
 
        global $app_title, $version, $power_url, $path_to_root;
-    
+
     $error = false;
-    
+
     // set max string size before writing to file
     $max_size = 1048576 * 2; // 2 MB
     // changes max size if value can be retrieved
-    if (ini_get("memory_limit")) 
+    if (ini_get("memory_limit"))
        $max_size = 900000 * ini_get("memory_limit");
-    
+
     // set backupfile name
-    if ($zip == "gzip") 
+    if ($zip == "gzip")
        $backupfile = $filename . ".gz";
-    elseif ($zip == "zip") 
+    elseif ($zip == "zip")
        $backupfile = $filename . ".zip";
-    else 
+    else
        $backupfile = $filename;
-    $company = get_company_pref('coy_name');                
+    $company = get_company_pref('coy_name');
     //create comment
     $out="# MySQL dump of database '".$conn["dbname"]."' on host '".$conn["host"]."'\n";
     $out.="# Backup Date and Time: ".date("Y-m-d H:i")."\n";
@@ -303,28 +311,30 @@ function db_export($conn, $filename, $zip='no', $comment='')
     $out.="# User: ".$_SESSION["wa_current_user"]->name."\n\n";
 
        // write users comment
-       if ($comment) 
+       if ($comment)
        {
                $out .= "# Comment:\n";
                $comment=preg_replace("'\n'","\n# ","# ".$comment);
                //$comment=str_replace("\n", "\n# ", $comment);
-               foreach(explode("\n",$comment) as $line) 
+               foreach(explode("\n",$comment) as $line)
                        $out .= $line."\n";
                $out.="\n";
        }
-        
+
     //$out.="use ".$db.";\n"; we don't use this option.
 
     // get auto_increment values and names of all tables
     $res = db_query("show table status");
     $all_tables = array();
-    while($row = db_fetch($res)) 
+    while($row = db_fetch($res))
     {
-               if ($conn["tbpref"] == "" || strpos($row['Name'], $conn["tbpref"]) !== false)
+               //if ($conn["tbpref"] == "" || strpos($row['Name'], $conn["tbpref"]) !== false) replaced
+               if (($conn["tbpref"] == "" && !preg_match('/[0-9]+_/', $row['Name'])) ||
+                       ($conn["tbpref"] != "" && strpos($row['Name'], $conn["tbpref"]) !== false))
                $all_tables[] = $row;
-    }  
+    }
         // get table structures
-       foreach ($all_tables as $table) 
+       foreach ($all_tables as $table)
        {
                $res1 = db_query("SHOW CREATE TABLE `" . $table['Name'] . "`");
                $tmp = db_fetch($res1);
@@ -335,11 +345,11 @@ function db_export($conn, $filename, $zip='no', $comment='')
        $fks = array();
        if (isset($table_sql))
        {
-               foreach($table_sql as $tablenme=>$table) 
+               foreach($table_sql as $tablenme=>$table)
                {
                        $tmp_table=$table;
                        // save all tables, needed for creating this table in $fks
-                       while (($ref_pos = strpos($tmp_table, " REFERENCES ")) > 0) 
+                       while (($ref_pos = strpos($tmp_table, " REFERENCES ")) > 0)
                        {
                                $tmp_table = substr($tmp_table, $ref_pos + 12);
                                $ref_pos = strpos($tmp_table, "(");
@@ -351,10 +361,10 @@ function db_export($conn, $filename, $zip='no', $comment='')
        $all_tables = order_sql_tables($all_tables, $fks);
 
        // as long as no error occurred
-       if (!$error) 
+       if (!$error)
        {
-               //while($row=@mysql_fetch_array($res)) 
-               foreach ($all_tables as $row) 
+               //while($row=@mysql_fetch_array($res))
+               foreach ($all_tables as $row)
                {
                        $tablename = $row['Name'];
                        $auto_incr[$tablename] = $row['Auto_increment'];
@@ -367,13 +377,13 @@ function db_export($conn, $filename, $zip='no', $comment='')
                        $out.=$table_sql[$tablename];
 
                        // add auto_increment value
-                       if ($auto_incr[$tablename]) 
+                       if ($auto_incr[$tablename])
                                $out.=" AUTO_INCREMENT=".$auto_incr[$tablename];
                        $out.=" ;";
                        $out.="\n\n\n";
 
                        // export data
-                       if (!$error) 
+                       if (!$error)
                        {
                                $out.="### Data of table `".$tablename."` ###\n\n";
 
@@ -393,49 +403,49 @@ function db_export($conn, $filename, $zip='no', $comment='')
                                        $out .= "INSERT INTO `" . $tablename . "` VALUES (";
                                        $row2 = db_fetch_row($res2);
                                        // run through each field
-                                       for ($k = 0; $k < $nf = db_num_fields($res2); $k++) 
+                                       for ($k = 0; $k < $nf = db_num_fields($res2); $k++)
                                        {
                                                // identify null values and save them as null instead of ''
-                                               if ($field_type[$k] != "" && $row2[$k] == "") 
-                                                       $out .= "NULL"; 
-                                               else 
+                                               if ($field_type[$k] != "" && $field_type[$k] != "NO" && $row2[$k] == "")
+                                                       $out .= "NULL";
+                                               else
                                                        $out .= "'" . db_escape($row2[$k]) . "'";
-                                               if ($k < ($nf - 1)) 
+                                               if ($k < ($nf - 1))
                                                        $out .= ", ";
                                        }
                                        $out .= ");\n";
 
                                        // if saving is successful, then empty $out, else set error flag
-                                       if (strlen($out) > $max_size && $zip != "zip") 
+                                       if (strlen($out) > $max_size && $zip != "zip")
                                        {
-                                               if (save_to_file($backupfile, $zip, $out)) 
-                                                       $out = ""; 
-                                               else 
+                                               if (save_to_file($backupfile, $zip, $out))
+                                                       $out = "";
+                                               else
                                                        $error = true;
                                        }
                                }
 
                        // an error occurred! Try to delete file and return error status
-                       } 
-                       elseif ($error) 
+                       }
+                       elseif ($error)
                        {
                                @unlink($path_to_root . BACKUP_PATH . $backupfile);
                                return false;
                        }
 
                        // if saving is successful, then empty $out, else set error flag
-                       if (strlen($out) > $max_size && $zip != "zip") 
+                       if (strlen($out) > $max_size && $zip != "zip")
                        {
-                               if (save_to_file($backupfile, $zip, $out)) 
-                                       $out= ""; 
-                               else 
+                               if (save_to_file($backupfile, $zip, $out))
+                                       $out= "";
+                               else
                                        $error = true;
                        }
                }
 
        // an error occurred! Try to delete file and return error status
-       } 
-       else 
+       }
+       else
        {
                @unlink($path_to_root . BACKUP_PATH . $backupfile);
                return false;
@@ -444,13 +454,13 @@ function db_export($conn, $filename, $zip='no', $comment='')
        // if (mysql_error()) return "DB_ERROR";
        //@mysql_close($con);
 
-       //if ($zip == "zip") 
+       //if ($zip == "zip")
        //      $zip = $time;
-       if (save_to_file($backupfile, $zip, $out)) 
+       if (save_to_file($backupfile, $zip, $out))
        {
                $out = "";
-       } 
-       else 
+       }
+       else
        {
                @unlink($path_to_root . BACKUP_PATH . $backupfile);
                return false;
@@ -460,28 +470,28 @@ function db_export($conn, $filename, $zip='no', $comment='')
 
 // orders the tables in $tables according to the constraints in $fks
 // $fks musst be filled like this: $fks[tablename][0]=needed_table1; $fks[tablename][1]=needed_table2; ...
-function order_sql_tables($tables, $fks) 
+function order_sql_tables($tables, $fks)
 {
        // do not order if no contraints exist
-       if (!count($fks)) 
+       if (!count($fks))
                return $tables;
 
        // order
        $new_tables = array();
        $existing = array();
        $modified = true;
-       while (count($tables) && $modified == true) 
+       while (count($tables) && $modified == true)
        {
                $modified = false;
-           foreach ($tables as $key=>$row) 
+           foreach ($tables as $key=>$row)
            {
                // delete from $tables and add to $new_tables
-               if (isset($fks[$row['Name']])) 
+               if (isset($fks[$row['Name']]))
                {
-                       foreach($fks[$row['Name']] as $needed) 
+                       foreach($fks[$row['Name']] as $needed)
                        {
                        // go to next table if not all needed tables exist in $existing
-                       if (!in_array($needed,$existing)) 
+                       if (!in_array($needed,$existing))
                                continue 2;
                    }
                }
@@ -495,12 +505,12 @@ function order_sql_tables($tables, $fks)
            }
        }
 
-       if (count($tables)) 
+       if (count($tables))
        {
            // probably there are 'circles' in the constraints, bacause of that no proper backups can be created yet
            // TODO: this will be fixed sometime later through using 'alter table' commands to add the constraints after generating the tables
            // until now, just add the lasting tables to $new_tables, return them and print a warning
-           foreach($tables as $row) 
+           foreach($tables as $row)
                $new_tables[] = $row;
            echo "<div class=\"red_left\">THIS DATABASE SEEMS TO CONTAIN 'RING CONSTRAINTS'. WA DOES NOT SUPPORT THEM. PROBABLY THE FOLOWING BACKUP IS DEFECT!</div>";
        }
@@ -509,30 +519,30 @@ function order_sql_tables($tables, $fks)
 
 // saves the string in $fileData to the file $backupfile as gz file or not ($zip)
 // returns backup file name if name has changed (zip), else TRUE. If saving failed, return value is FALSE
-function save_to_file($backupfile, $zip, $fileData) 
+function save_to_file($backupfile, $zip, $fileData)
 {
        global $path_to_root;
-       
-    if ($zip == "gzip") 
+
+    if ($zip == "gzip")
     {
-        if ($zp = @gzopen($path_to_root . BACKUP_PATH . $backupfile, "a9")) 
+        if ($zp = @gzopen($path_to_root . BACKUP_PATH . $backupfile, "a9"))
         {
                        @gzwrite($zp, $fileData);
                        @gzclose($zp);
                        return true;
-        } 
-        else 
+        }
+        else
         {
                return false;
         }
-        
+
     // $zip contains the timestamp
-    } 
-    elseif ($zip == "zip") 
+    }
+    elseif ($zip == "zip")
     {
         // based on zip.lib.php 2.2 from phpMyBackupAdmin
         // offical zip format: http://www.pkware.com/appnote.txt
-        
+
         // End of central directory record
         $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
 
@@ -544,7 +554,7 @@ function save_to_file($backupfile, $zip, $fileData)
         // string needed for decoding (because of crc bug)
         //$name_suffix = substr($zdata, -4, 4);
         //$name_suffix2 = "_";
-        //for ($i = 0; $i < 4; $i++) 
+        //for ($i = 0; $i < 4; $i++)
         //     $name_suffix2 .= sprintf("%03d", ord($name_suffix[$i]));
         //$backupfile = substr($backupfile, 0, strlen($backupfile) - 8) . $name_suffix2 . ".sql.zip";
         $name = substr($backupfile, 0, strlen($backupfile) -4);
@@ -566,9 +576,9 @@ function save_to_file($backupfile, $zip, $fileData)
 
         // crc32, compressed filesize, uncompressed filesize
         $sub2 = pack('V', $crc) . pack('V', $c_len) . pack('V', $unc_len);
-        
+
         $fr = "\x50\x4b\x03\x04" . $sub1. $sub2;
-        
+
         // length of filename, extra field length
         $fr .= pack('v', strlen($name)) . pack('v', 0);
         $fr .= $name;
@@ -580,39 +590,39 @@ function save_to_file($backupfile, $zip, $fileData)
         $cdrec = "\x50\x4b\x01\x02";
         $cdrec .= "\x00\x00";                // version made by
         $cdrec .= $sub1 . $sub2;
-        
+
          // length of filename, extra field length, file comment length, disk number start, internal file attributes, external file attributes - 'archive' bit set, offset
         $cdrec .= pack('v', strlen($name)) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('V', 32) . pack('V',0);
         $cdrec .= $name;
 
         // combine data
         $fileData = $fr . $cdrec . $eof_ctrl_dir;
-        
+
         // total # of entries "on this disk", total # of entries overall, size of central dir, offset to start of central dir, .zip file comment length
         $fileData .= pack('v', 1) . pack('v', 1) . pack('V', strlen($cdrec)) . pack('V', strlen($fr)) . "\x00\x00";
-        
-        if ($zp = @fopen($path_to_root . BACKUP_PATH . $backupfile, "a")) 
+
+        if ($zp = @fopen($path_to_root . BACKUP_PATH . $backupfile, "a"))
         {
                        @fwrite($zp, $fileData);
                        @fclose($zp);
                        return true;
-        } 
-        else 
+        }
+        else
         {
                return false;
         }
-        
+
        // uncompressed
-    } 
-    else 
+    }
+    else
     {
-        if ($zp = @fopen($path_to_root . BACKUP_PATH . $backupfile, "a")) 
+        if ($zp = @fopen($path_to_root . BACKUP_PATH . $backupfile, "a"))
         {
                        @fwrite($zp, $fileData);
                        @fclose($zp);
                        return true;
-        } 
-        else 
+        }
+        else
         {
                return false;
         }