diff options
Diffstat (limited to 'plugins/grum_plugins_classes-2/tables.class.inc.php')
| -rwxr-xr-x | plugins/grum_plugins_classes-2/tables.class.inc.php | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/plugins/grum_plugins_classes-2/tables.class.inc.php b/plugins/grum_plugins_classes-2/tables.class.inc.php new file mode 100755 index 000000000..f29092caa --- /dev/null +++ b/plugins/grum_plugins_classes-2/tables.class.inc.php @@ -0,0 +1,447 @@ +<?php + +/* ----------------------------------------------------------------------------- + class name: manage_tables + class version: 1.3 + date: 2007-12-02 + ------------------------------------------------------------------------------ + author: grum at grum.dnsalias.com + << May the Little SpaceFrog be with you >> + ------------------------------------------------------------------------------ + + this class provides base functions to manage tables while plugin installation + - constructor manage_tables($tables) + - (public) function create_tables($tables_def) + - (public) function update_tables_fields($tables_alteration) + - (public) function drop_tables() + - (public) function rename_tables($list) -v1.1 + - (public) function tables_exists() -v1.1 + - (public) function export($filename, $options, $tables, $infos) -v1.3 + - (public) function multi_queries($queries) -v1.3 + - (public) function import($filename) -v1.3 + + ------------------------------------------------------------------------------ + v1.1 + add rename_tables($list) function + + add tables_exists() function + v1.2 + add export($filename, $options, $tables) function + v1.3 + modify export($filename, $options, $tables, $infos, $resultboolean) function + + new parameters '$infos' allows to add some information on the + exported file + + add 'delete' and 'colnames' options + + $resultbooelan option for return + + add multi_queries($queries) function + + add import($filename) function + + -------------------------------------------------------------------------- */ +class manage_tables +{ + var $tables; //array of tables names + var $version = "1.3"; + + function manage_tables($tables) + { + $this->tables = $tables; + } + + /* + create tables + $tables_def is an array of SQL CREATE queries + + return true if everything is ok, otherwise tablename + */ + function create_tables($tables_def) + { + //deleting tables if exists + $this->drop_tables(); + + for($i=0;$i<count($tables_def);$i++) + { + $result=pwg_query($tables_def[$i]); + if(!$result) + { + //if an error occurs, deleting created tables + $this->drop_tables(); + return(false); + } + } + return(true); + } + + /* update tables definition + $tables_alteration : array of arrays + example : + $tables_alteration['table1']=array( + "attribute1" => " ADD COLUMN `attribute1` text null default ''", + "attribute2" => " ADD COLUMN `attribute2` text null default ''")); + $tables_alteration['table2']=array( + "attribute1" => " ADD COLUMN `attribute1` text null default ''", + "attribute2" => " ADD COLUMN `attribute2` text null default ''")); + + return true if no error, otherwise return table.fields of error + */ + function update_tables_fields($tables_alteration) + { + if(!is_array($tables_alteration)) + { + return(''); + } + + reset($tables_alteration); + while (list($key, $val) = each($tables_alteration)) + { + $sql="SHOW COLUMNS FROM $key"; + $result=pwg_query($sql); + if($result) + { + $columns=array(); + while($row=mysql_fetch_assoc($result)) + { + array_push($columns, $row['Field']); + } + + reset($val); + while (list($attname, $sql) = each($val)) + { + if(!in_array($attname, $columns)) + { + $result=pwg_query("ALTER TABLE `$key` ".$sql); + if(!$result) + { + return($key.".".$attname); + } + } + } + } + } + return(true); + } + + + /* + delete tables listed in $this->tables_list + */ + function drop_tables() + { + foreach($this->tables as $key => $table_name) + { + $sql="DROP TABLE IF EXISTS ".$table_name; + $result=pwg_query($sql); + } + } + + /* + rename tables name of list + $list is an array('old_name' => 'new_name') + return true if ok, else old table name + */ + function rename_tables($list) + { + $tmplist=array_flip($this->tables); + foreach($list as $key => $val) + { + if(isset($tmplist[$key])) + { + $this->tables[$tmplist[$key]] = $val; + $sql="ALTER TABLE `$key` RENAME TO `$val`"; + if(!pwg_query($sql)) + { + return($key); + } + } + else + { + return($key); + } + } + return(true); + } + + /* + return true if all listed tables exists + */ + function tables_exists() + { + $list=array_flip($this->tables); + $sql="SHOW TABLES"; + $result=pwg_query($sql); + if($result) + { + while($row=mysql_fetch_row($result)) + { + if(isset($list[$row[0]])) + { + array_splice($list, $row[0],1); + } + } + } + if(count($list)>0) + { + return(false); + } + else + { + return(true); + } + } + + /* + export all tables as SQL in a text file + + each query end with a " -- EOQ" ; it's just a method to increase parsing for + import function + + $filename : name of the file + $options : array of options like + array( + 'drop' => true/false, //add DROP TABLE statements + 'create' => true/false, //add CREATE TABLE statements + 'insert' => true/false, //add INSERT statements + 'delete' => true/false, //add delete statements + 'colnames' => true/false, //add columns names for inserts statements + ) + $tables : array of tables names to export + array('tablename1', 'tablenamen', 'tablename3', ...) + if empty, assume that all tables have to be exported + $infos : additional info written in exported file (as comment) + $resultboolean : if true, result is true/false ; + if false, if result, return a string with nfo about export + */ + function export($filename, $options=array(), $tables=array(), $infos="", $resultboolean=true) + { + $defaultopt=array( + 'drop' => true, + 'create' => true, + 'insert' => true, + 'delete' => false, + 'colnames' => false + ); + + if(!isset($options['drop'])) + { + $options['drop']=$defaultopt['drop']; + } + if(!isset($options['create'])) + { + $options['create']=$defaultopt['create']; + } + if(!isset($options['insert'])) + { + $options['insert']=$defaultopt['insert']; + } + if(!isset($options['delete'])) + { + $options['delete']=$defaultopt['delete']; + } + if(!isset($options['colnames'])) + { + $options['colnames']=$defaultopt['colnames']; + } + if(count($tables)==0) + { + $tables=$this->tables; + } + + $resultnfo=''; + + $returned=true; + $text=' +-- *************************************************************** -- EOQ +-- * SQL export made with Grum Plugins Classes (Export tool r'.$this->version.') -- EOQ +-- * Export date :'.date('Y-m-d H:i:s').' -- EOQ +-- * Export options :'; +if($options['drop']){$text.=' [drop]';} +if($options['delete']){$text.=' [delete]';} +if($options['create']){$text.=' [create]';} +if($options['insert']){$text.=' [insert]';} +if($options['colnames']){$text.=' [colnames]';} +$text.=" -- EOQ"; +if($infos!="") +{ + $text.=' +-- * '.$infos." -- EOQ"; +} +$text.=' +-- *************************************************************** -- EOQ + +'; + foreach($tables as $key => $val) + { + $countelems=0; + + $text.=" + +-- *************************************************************** -- EOQ +-- * Statements for ".$this->tables[$key]." table -- EOQ +-- *************************************************************** -- EOQ +"; + + if($options['drop']) + { + $text.=sprintf("DROP TABLE `%s`; -- EOQ\n", $this->tables[$key]); + } + + if($options['delete']) + { + $text.=sprintf("DELETE FROM `%s`; -- EOQ\n", $this->tables[$key]); + } + + if($options['create']) + { + $sql='SHOW CREATE TABLE '.$this->tables[$key]; + $result=pwg_query($sql); + if($result) + { + while($row=mysql_fetch_row($result)) + { + $text.=sprintf("%s; -- EOQ\n", $row[1]); + } + } + else + { + $returned=false; + } + } + + if($options['insert']) + { + $colnames=""; + if($options['colnames']) + { + $sql='SHOW COLUMNS FROM `'.$this->tables[$key].'`'; + $result=pwg_query($sql); + if($result) + { + $tmp=array(); + while($row=mysql_fetch_row($result)) + { + $tmp[]=$row[0]; + } + } + $colnames='('.implode(',', $tmp).')'; + } + + $sql='SELECT * FROM '.$this->tables[$key]; + $result=pwg_query($sql); + if($result) + { + while($row=mysql_fetch_row($result)) + { + foreach($row as $key2 => $val2) + { + $row[$key2]="'".addslashes($val2)."'"; + } + $text.=sprintf("INSERT INTO `%s` %s VALUES(%s); -- EOQ\n", $this->tables[$key], $colnames, implode(', ', $row)); + $countelems++; + } + } + else + { + $returned=false; + } + $resultnfo.=$key.':'.$countelems.'@'; + } + } + $fhandle=fopen($filename, 'wb'); + if($fhandle) + { + fwrite($fhandle, $text); + fclose($fhandle); + } + else + { + $returned=false; + } + if(($resultboolean==false)&&($returned)) + { + $returned=$resultnfo; + } + return($returned); + } + + /* + import an .sql file + $filename : name of the file + 'errors' : -1 file don't exists + -2 can't open file + */ + function import($filename) + { + $return = array( + 'numinsert'=>0, + 'numdelete'=>0, + 'numdrop'=>0, + 'numcreate'=>0, + 'errors'=>array(), + 'total_ok'=>0 + ); + + if(file_exists($filename)) + { + $fhandle=fopen($filename, 'r'); + if($fhandle) + { + $queries=fread($fhandle, filesize($filename)); + fclose($fhandle); + $return=$this->multi_queries($queries); + } + else + { + $return['errors']=-2; + } + } + else + { + $return['errors']=-1; + } + return($return); + } + + /* + execute multiple query + each query have to be separated by a "-- EOQ\n" + + $queries : sql queries + */ + function multi_queries($queries) + { + $queries_list=preg_split( + '/\s*;?\s*--\s+EOQ[\r\n]{1}/i', $queries, -1, PREG_SPLIT_NO_EMPTY); + + $return = array( + 'numinsert'=>0, + 'numdelete'=>0, + 'numdrop'=>0, + 'numcreate'=>0, + 'errors'=>array(), + 'total_ok'=>0 + ); + + $i=0; + foreach($queries_list as $key => $sql) + { + $i++; + @$result=pwg_query($sql); + if($result) + { + $return['total_ok']++; + if(preg_match('/\b[\s]*insert[\s]+/i', $sql)>0) + {$return['numinsert']++;} + elseif(preg_match('/\b[\s]*drop[\s]+/i', $sql)>0) + {$return['numdrop']++;} + elseif(preg_match('/\b[\s]*delete[\s]+/i', $sql)>0) + {$return['numdelete']++;} + elseif(preg_match('/\b[\s]*create[\s]+/i',$sql)>0) + {$return['numcreate']++;} + } + else + { + array_push($return['errors'], '['.$i.'] '.$sql); + } + } + return($return); + } + +} //class + + +?>
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