original_string: function MetaForeignKeys($table, $owner=false, $upper=false)
  	{
  		global $ADODB_FETCH_MODE;
  
  		$save = $ADODB_FETCH_MODE;
  		$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
  		$table = $this->qstr(strtoupper($table));
  		if (!$owner) {
  			$owner = $this->user;
  			$tabp = 'user_';
  		} else
  			$tabp = 'all_';
  
  		$owner = ' and owner='.$this->qstr(strtoupper($owner));
  
  		$sql =
  "select constraint_name,r_owner,r_constraint_name
  	from {$tabp}constraints
  	where constraint_type = 'R' and table_name = $table $owner";
  
  		$constraints = $this->GetArray($sql);
  		$arr = false;
  		foreach($constraints as $constr) {
  			$cons = $this->qstr($constr[0]);
  			$rowner = $this->qstr($constr[1]);
  			$rcons = $this->qstr($constr[2]);
  			$cols = $this->GetArray("select column_name from {$tabp}cons_columns where constraint_name=$cons $owner order by position");
  			$tabcol = $this->GetArray("select table_name,column_name from {$tabp}cons_columns where owner=$rowner and constraint_name=$rcons order by position");
  
  			if ($cols && $tabcol)
  				for ($i=0, $max=sizeof($cols); $i < $max; $i++) {
  					$arr[$tabcol[$i][0]] = $cols[$i][0].'='.$tabcol[$i][1];
  				}
  		}
  		$ADODB_FETCH_MODE = $save;
  
  		return $arr;
  	}
code: function MetaForeignKeys($table, $owner=false, $upper=false)
  	{
  		global $ADODB_FETCH_MODE;
  
  		$save = $ADODB_FETCH_MODE;
  		$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
  		$table = $this->qstr(strtoupper($table));
  		if (!$owner) {
  			$owner = $this->user;
  			$tabp = 'user_';
  		} else
  			$tabp = 'all_';
  
  		$owner = ' and owner='.$this->qstr(strtoupper($owner));
  
  		$sql =
  "select constraint_name,r_owner,r_constraint_name
  	from {$tabp}constraints
  	where constraint_type = 'R' and table_name = $table $owner";
  
  		$constraints = $this->GetArray($sql);
  		$arr = false;
  		foreach($constraints as $constr) {
  			$cons = $this->qstr($constr[0]);
  			$rowner = $this->qstr($constr[1]);
  			$rcons = $this->qstr($constr[2]);
  			$cols = $this->GetArray("select column_name from {$tabp}cons_columns where constraint_name=$cons $owner order by position");
  			$tabcol = $this->GetArray("select table_name,column_name from {$tabp}cons_columns where owner=$rowner and constraint_name=$rcons order by position");
  
  			if ($cols && $tabcol)
  				for ($i=0, $max=sizeof($cols); $i < $max; $i++) {
  					$arr[$tabcol[$i][0]] = $cols[$i][0].'='.$tabcol[$i][1];
  				}
  		}
  		$ADODB_FETCH_MODE = $save;
  
  		return $arr;
  	}
code_tokens: function MetaForeignKeys ( $ table , $ owner = false , $ upper = false ) { global $ ADODB_FETCH_MODE ; $ save = $ ADODB_FETCH_MODE ; $ ADODB_FETCH_MODE = ADODB_FETCH_NUM ; $ table = $ this -> qstr ( strtoupper ( $ table ) ) ; if ( ! $ owner ) { $ owner = $ this -> user ; $ tabp = 'user_' ; } else $ tabp = 'all_' ; $ owner = ' and owner=' . $ this -> qstr ( strtoupper ( $ owner ) ) ; $ sql = "select constraint_name,r_owner,r_constraint_name
  	from {$tabp}constraints
  	where constraint_type = 'R' and table_name = $table $owner" ; $ constraints = $ this -> GetArray ( $ sql ) ; $ arr = false ; foreach ( $ constraints as $ constr ) { $ cons = $ this -> qstr ( $ constr [ 0 ] ) ; $ rowner = $ this -> qstr ( $ constr [ 1 ] ) ; $ rcons = $ this -> qstr ( $ constr [ 2 ] ) ; $ cols = $ this -> GetArray ( "select column_name from {$tabp}cons_columns where constraint_name=$cons $owner order by position" ) ; $ tabcol = $ this -> GetArray ( "select table_name,column_name from {$tabp}cons_columns where owner=$rowner and constraint_name=$rcons order by position" ) ; if ( $ cols && $ tabcol ) for ( $ i = 0 , $ max = sizeof ( $ cols ) ; $ i < $ max ; $ i ++ ) { $ arr [ $ tabcol [ $ i ] [ 0 ] ] = $ cols [ $ i ] [ 0 ] . '=' . $ tabcol [ $ i ] [ 1 ] ; } } $ ADODB_FETCH_MODE = $ save ; return $ arr ; }
docstring: returns assoc array where keys are tables, and values are foreign keys
  
  @param	str		$table
  @param	str		$owner	[optional][default=NULL]
  @param	bool	$upper	[optional][discarded]
  @return	mixed[]			Array of foreign key information
  
  @link http://gis.mit.edu/classes/11.521/sqlnotes/referential_integrity.html
docstring_tokens: returns assoc array where keys are tables and values are foreign keys