--- index.cgi	2009/04/13 17:55:51	2
+++ index.cgi	2009/04/13 20:23:55	3
@@ -55,11 +55,12 @@
 
 		if ( tag == 'TH' ) {
 			console.info('header', column);
-			$('form#sql input[name=order_by]').attr('value', where_value);
+			$('form#sql input[name=order_by]').attr('value', where_value + ' desc');
 		} else if ( tag = 'TD' ) {
 			console.info('column', column, where_operator, where_value);
 			$('form#sql input[name=where_value]').attr('value', where_value);
 			$('form#sql select[name=where_column]').attr('options').selectedIndex = col_nr;
+			$('form#sql input[name=add_group_by]').attr('value', column).css('display','block');
 		} else {
 			console.error('unknown click on ', tag, e);
 		}
@@ -84,12 +85,32 @@
 my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
 
 
+my $group_by = param('add_group_by');
+
+if ( $group_by ) {
+	@columns = ( "count($group_by)", $group_by );
+	my $g;
+	foreach my $c ( @where_parts, param('order_by'), $group_by ) {
+		$c =~ s/\s.+$//;
+		$g->{$c}++ if length($c) > 0;
+	}
+	$group_by = join( ',', keys %$g );
+	print "# $group_by g = ",dump( $g );
+	param('where_value','');
+	param('group_by', $group_by);
+	param('columns', [ @columns ], [ @columns ]);
+} else {
+	$group_by = param('group_by');
+}
+	
+
 if ( param('where_operator') && length( param('where_value') ) > 0 ) {
 	my $where_value = param('where_value');
 	push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
 	param('where_value','');
 }
 
+
 my $c = join(',', @columns);
 
 my $sql = "select $c from $table";
@@ -105,11 +126,20 @@
 	$sql .= ' where ' . join(' and ', @w);
 }
 
+
+$sql .= ' group by ' . $group_by if $group_by;
 $sql .= ' order by ' . param('order_by') if param('order_by');
 $sql .= ' limit ? offset ?';
 
 push @data, ( $limit, $offset );
 
+my $sql_html = $sql;
+{
+	my @d = @data;
+	$sql_html =~ s{\?}{dump( shift @d )}ge;
+}
+print qq|<code id="status">$sql_html<br>\n\r\n\r|;
+
 my $t = time();
 
 my $sth = $dbh->prepare( $sql );
@@ -118,13 +148,10 @@
 
 $t = time() - $t;
 
-my $sql_html = $sql;
-$sql_html =~ s{\?}{dump( shift @data )}ge;
-
-print qq|<code id="status">$sql_html<br>|, $sth->rows, qq| rows in $t s</code>|;
+print $sth->rows, qq| rows in $t s</code>|;
 
 
-@columns = @{ $sth->{NAME} };
+@columns = @{ $sth->{NAME} } if $#columns == 0 && $columns[0] eq '*';
 
 print qq|<table id="results">|;
 
@@ -162,6 +189,10 @@
 	, popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
 	, textfield( -name => 'where_value' )
 
+	, qq|<label for=group_by>group by</label>|
+	, textfield( -name => 'group_by' )
+	, submit( -name => 'add_group_by' )
+
 	, qq|<label for=order_by>order by</label>|
 	, textfield( -name => 'order_by' )