query($query); } function db_($query='') {} // only for NOT useing ADOdb /** * @return int current connection id */ function link_id() { return $this->Link_ID; } /** * @return int id of current query */ function query_id() { return $this->Query_ID; } /** * Open a connection to a database * * @param string $Database name of database to use (optional) * @param string $Host database host to connect to (optional) * @param string $User name of database user (optional) * @var string $Password password for database user (optional) */ function connect($Database = '', $Host = '', $User = '', $Password = '') { /* Handle defaults */ if ($Database == '') { $Database = $this->Database; } if ($Host == '') { $Host = $this->Host; } if ($User == '') { $User = $this->User; } if ($Password == '') { $Password = $this->Password; } if (!$this->Link_ID) { $this->type = $GLOBALS['phpgw_info']['server']['db_type']; if (!is_object($GLOBALS['phpgw']->ADOdb)) { switch($this->type) // convert to ADO db-type-names { case 'pgsql': $type = 'postgres'; break; default: $type = $this->type; } $GLOBALS['phpgw']->adodb = ADONewConnection($type); if (!$GLOBALS['phpgw']->adodb) { $this->halt("No ADOdb support for '$type' !!!"); } $connect = $GLOBALS['phpgw_info']['server']['db_persistent'] ? 'PConnect' : 'Connect'; if (!$connect = $GLOBALS['phpgw']->adodb->$connect($Host, $User, $Password, $Database)) { $this->halt("ADOdb::$connect($Host, $User, \$Password, $Database) failed."); } } $this->Link_ID = &$GLOBALS['phpgw']->adodb; } return $this->Link_ID; } /** * Close a connection to a database - not needed for ADOdb connection */ function disconnect() { } /** * Escape strings before sending them to the database * * @param string $str the string to be escaped * @return string escaped sting */ function db_addslashes($str) { if (!isset($str) || $str == '') { return ''; } // the substring is needed as the string is already in quotes return substr($this->Link_ID->quote($str),1,-1); } /** * Convert a unix timestamp to a rdms specific timestamp * * @param int unix timestamp * @return string rdms specific timestamp */ function to_timestamp($epoch) { return $this->Link_ID->DBTimeStamp($epoch); } /** * Convert a rdms specific timestamp to a unix timestamp * * @param string rdms specific timestamp * @return int unix timestamp */ function from_timestamp($timestamp) { return $this->Link_ID->UnixTimeStamp($timestamp); } /** * @deprecated * @see limit_query() */ function limit($start) {} /** * Discard the current query result */ function free() { $this->Query_ID = 0; } /** * Execute a query * * @param string $Query_String the query to be executed * @param mixed $line the line method was called from - use __LINE__ * @param string $file the file method was called from - use __FILE__ * @param int $offset row to start from * @param int $num_rows number of rows to return (optional), if unset will use $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'] * @return int current query id if sucesful and null if fails */ function query($Query_String, $line = '', $file = '', $offset=0, $num_rows=-1) { if ($Query_String == '') { return 0; } if (!$this->connect()) { return 0; /* we already complained in connect() about that. */ }; # New query, discard previous result. if ($this->Query_ID) { $this->free(); } if ($this->Link_ID->fetchMode != ADODB_FETCH_BOTH) { $this->Link_ID->SetFetchMode(ADODB_FETCH_BOTH); } if (! $num_rows) { $num_rows = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs']; } if ($num_rows > 0) { $this->Query_ID = $this->Link_ID->SelectLimit($Query_String,$num_rows,intval($offset)); } else { $this->Query_ID = $this->Link_ID->Execute($Query_String); } $this->Row = 0; $this->Errno = $this->Link_ID->ErrorNo(); $this->Error = $this->Link_ID->ErrorMsg(); $this->sql = $Query_String; if (! $this->Query_ID) { $this->halt("Invalid SQL: ".$Query_String, $line, $file); } return $this->Query_ID; } /** * Execute a query with limited result set * * @param string $Query_String the query to be executed * @param int $offset row to start from * @param mixed $line the line method was called from - use __LINE__ * @param string $file the file method was called from - use __FILE__ * @param int $num_rows number of rows to return (optional), if unset will use $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'] * @return int current query id if sucesful and null if fails */ function limit_query($Query_String, $offset, $line = '', $file = '', $num_rows = '') { return $this->query($Query_String,$line,$file,$offset,$num_rows); } /** * Move to the next row in the results set * * @return bool was another row found? */ function next_record() { if (!$this->Query_ID) { $this->halt('next_record called with no query pending.'); return 0; } if ($this->Row) // first row is already fetched { $this->Query_ID->MoveNext(); } ++$this->Row; if ($this->Query_ID->EOF || !$this->Query_ID->RecordCount()) { return False; } $this->Record = $this->Query_ID->fields; return True; } /** * Move to position in result set * * @param int $pos required row (optional), default first row * @return int 1 if sucessful or 0 if not found */ function seek($pos = 0) { if (!$this->Query_ID->Move($this->Row = $pos)) { $this->halt("seek($pos) failed: resultset has " . $this->num_rows() . " rows"); $this->Query_ID->Move( $this->num_rows() ); $this->Row = $this->num_rows(); return False; } return True; } /** * Begin Transaction * * @return int current transaction id */ function transaction_begin() { return $this->Link_ID->BeginTrans(); } /** * Complete the transaction * * @return bool True if sucessful, False if fails */ function transaction_commit() { return $this->Link_ID->CommitTrans(); } /** * Rollback the current transaction * * @return bool True if sucessful, False if fails */ function transaction_abort() { return $this->Link_ID->RollbackTrans(); } /** * Find the primary key of the last insertion on the current db connection * * @param string $table name of table the insert was performed on * @param string $field the autoincrement primary key of the table * @return int the id, -1 if fails */ function get_last_insert_id($table, $field) { return $this->Link_ID->Insert_ID(); } /** * Lock a table * * @param string $table name of table to lock * @param string $mode type of lock required (optional), default write * @return bool True if sucessful, False if fails */ function lock($table, $mode='write') {} /** * Unlock a table * * @return bool True if sucessful, False if fails */ function unlock() {} /** * Get the number of rows affected by last update * * @return int number of rows */ function affected_rows() { return $this->Link_ID->Affected_Rows(); } /** * Number of rows in current result set * * @return int number of rows */ function num_rows() { return $this->Query_ID->RecordCount(); } /** * Number of fields in current row * * @return int number of fields */ function num_fields() { return $this->Query_ID->FieldCount(); } /** * short hand for @see num_rows() */ function nf() { return $this->num_rows(); } /** * short hand for print @see num_rows */ function np() { print $this->num_rows(); } /** * Return the value of a column * * @param string/integer $Name name of field or positional index starting from 0 * @param bool $strip_slashes string escape chars from field(optional), default false * @return string the field value */ function f($Name, $strip_slashes = False) { if ($strip_slashes || ($this->auto_stripslashes && ! $strip_slashes)) { return stripslashes($this->Record[$Name]); } else { return $this->Record[$Name]; } } /** * Print the value of a field * * @param string $Name name of field to print * @param bool $strip_slashes string escape chars from field(optional), default false */ function p($Name, $strip_slashes = True) { print $this->f($Name, $strip_slashes); } /** * Returns a query-result-row as an associative array (no numerical keys !!!) * * @param bool $do_next_record should next_record() be called or not (default not) * @return array/bool the associative array or False if no (more) result-row is availible */ function row($do_next_record=False) { if ($do_next_record && !$this->next_record() || !is_array($this->Record)) { return False; } $result = array(); foreach($this->Record as $column => $value) { if (!is_numeric($column)) { $result[$column] = $value; } } return $result; } /** * Get the id for the next sequence - not implemented! * * @param string $seq_name name of the sequence * @return int sequence id */ function nextid($seq_name) { echo "
db::nextid(sequence='$seq_name') not yet implemented
\n"; } /** * Error handler * * @param string $msg error message * @param int $line line of calling method/function (optional) * @param string $file file of calling method/function (optional) */ function halt($msg, $line = '', $file = '') { $this->Error = $this->Link_ID->ErrorMsg(); // need to be BEFORE unlock, $this->Errno = $this->Link_ID->ErrorNo(); // else we get its error or none if ($this->Link_ID) // only if we have a link, else infinite loop { $this->unlock(); /* Just in case there is a table currently locked */ } if ($this->Halt_On_Error == "no") { return; } $this->haltmsg($msg); if ($file) { printf("Session halted."; $GLOBALS['phpgw']->common->phpgw_exit(True); } } function haltmsg($msg) { printf("
Database error: %s
\n", $msg);
if ($this->Errno != "0" && $this->Error != "()")
{
printf("$this->type Error: %s (%s)
\n",$this->Errno,$this->Error);
}
}
/**
* Get description of a table
*
* Beside the column-name all other data depends on the db-type !!!
*
* @param string $table name of table to describe
* @param bool $full optional, default False summary information, True full information
* @return array table meta data
*/
function metadata($table='',$full=false)
{
$columns = $this->Link_ID->MetaColumns($table);
//echo "metadata('$table')=
\n".print_r($columns,True)."\n"; $metadata = array(); $i = 0; foreach($columns as $column) { $metadata[$i] = $column; $metadata[$i]['table'] = $table; if ($full) { $metadata['meta'][$column['name']] = $i; } ++$i; } if ($full) { $metadata['num_fields'] = $i; } return $metadata; } /** * Get a list of table names in the current database * * @return array list of the tables */ function table_names() { $result = array(); $tables = $this->Link_ID->MetaTables('TABLES'); if (is_array($tables)) { foreach($tables as $table) { $result[] = array( 'table_name' => $table, 'tablespace_name' => $this->Database, 'database' => $this->Database ); } } return $result; } /** * Return a list of indexes in current database * * @return array list of indexes */ function index_names() { echo "
db::index_names() not yet implemented
\n"; return array(); } /** * Create a new database * * @param string $adminname name of database administrator user (optional) * @param string $adminpasswd password for the database administrator user (optional) */ function create_database($adminname = '', $adminpasswd = '') { echo "db::create_database(user='$adminname',\$pw) not yet implemented
\n"; } /** * Implodes an array of column-value pairs for the use in sql-querys. * All data is either run through addslashes() or intval(). * * @author RalfBecker