/[sql-web-session]/index.cgi
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Revision 7 - (hide annotations)
Tue Apr 14 17:01:09 2009 UTC (10 years, 2 months ago) by dpavlin
File size: 5546 byte(s)
use firebug lite because we use console.* calls

1 dpavlin 1 #!/usr/bin/perl
2    
3     use warnings;
4     use strict;
5    
6     use CGI qw/:standard/;
7     use CGI::Carp qw/fatalsToBrowser/; # FIXME remove for production
8     use DBI;
9     use Data::Dump qw/dump/;
10 dpavlin 2 use Time::HiRes qw/time/;
11 dpavlin 1
12     our $dsn = 'DBI:Pg:dbname=syslog';
13     our $user = 'dpavlin';
14    
15 dpavlin 2 require 'config.pl' if -e 'config.pl';
16    
17 dpavlin 1 my @columns = param('columns');
18     @columns = ('*') unless @columns;
19     my $table = param('table') || 'log';
20     my $limit = param('limit') || 1000;
21     my $offset = param('offset') || 0;
22    
23 dpavlin 2 my @where_parts = param('where_parts');
24    
25 dpavlin 1 print header, q|
26    
27     <html>
28     <head>
29 dpavlin 2 <title>SQL Web Session</title>
30 dpavlin 1 <link rel="stylesheet" type="text/css" href="style.css">
31     <!-- http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js -->
32     <script type="text/javascript" src="jquery-1.3.2.min.js"></script>
33 dpavlin 7
34     <!-- insert firebug lite because we use console.* all over -->
35     <script type="text/javascript" src="http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js"></script>
36 dpavlin 1 <script type="text/javascript">
37 dpavlin 7 firebug.env.height = 100;
38     </script>
39 dpavlin 1
40 dpavlin 7 <script type="text/javascript">
41    
42 dpavlin 1 $(document).ready( function() {
43    
44     function click_on_cell(e) {
45    
46     var tag = e.originalTarget.tagName;
47    
48     var col_nr = e.originalTarget.cellIndex;
49    
50     var column = $('table#results th:nth-child(' + ( col_nr + 1 ) + ')').text();
51     var where_operator = '=';
52     var where_value = window.getSelection().getRangeAt(0).cloneContents().textContent;
53     if ( where_value.length == 0 )
54     where_value = e.originalTarget.textContent;
55     else
56     where_value = '%' + where_value + '%';
57    
58     console.debug('click on ', this, e,
59     e.originalTarget,
60     column, where_operator, where_value
61     );
62    
63     if ( tag == 'TH' ) {
64     console.info('header', column);
65 dpavlin 3 $('form#sql input[name=order_by]').attr('value', where_value + ' desc');
66 dpavlin 1 } else if ( tag = 'TD' ) {
67     console.info('column', column, where_operator, where_value);
68     $('form#sql input[name=where_value]').attr('value', where_value);
69     $('form#sql select[name=where_column]').attr('options').selectedIndex = col_nr;
70 dpavlin 3 $('form#sql input[name=add_group_by]').attr('value', column).css('display','block');
71 dpavlin 1 } else {
72     console.error('unknown click on ', tag, e);
73     }
74    
75 dpavlin 2 $('form#sql').addClass('visible');
76 dpavlin 1 };
77    
78     $('table#results').bind('mouseup', click_on_cell);
79    
80 dpavlin 2 $('#status').bind('click', function() {
81     $('form#sql').toggleClass('visible');
82     });
83    
84 dpavlin 1 console.info('ready');
85     });
86    
87     </script>
88     </head>
89     <body>
90     |;
91    
92     my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
93    
94    
95 dpavlin 3 my $group_by = param('add_group_by');
96    
97     if ( $group_by ) {
98     @columns = ( "count($group_by)", $group_by );
99     my $g;
100 dpavlin 5 foreach my $c ( @where_parts, $group_by ) {
101 dpavlin 3 $c =~ s/\s.+$//;
102     $g->{$c}++ if length($c) > 0;
103     }
104     $group_by = join( ',', keys %$g );
105     print "# $group_by g = ",dump( $g );
106     param('where_value','');
107     param('group_by', $group_by);
108     param('columns', [ @columns ], [ @columns ]);
109 dpavlin 4 param('order_by', $columns[0] . ' desc');
110 dpavlin 3 } else {
111     $group_by = param('group_by');
112     }
113    
114    
115 dpavlin 1 if ( param('where_operator') && length( param('where_value') ) > 0 ) {
116 dpavlin 2 my $where_value = param('where_value');
117     push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
118     param('where_value','');
119 dpavlin 1 }
120    
121 dpavlin 3
122 dpavlin 2 my $c = join(',', @columns);
123 dpavlin 1
124 dpavlin 2 my $sql = "select $c from $table";
125     my @data;
126    
127     if ( @where_parts ) {
128     my @w;
129     foreach ( @where_parts ) {
130     my ( $w,$v ) = split(/\?\t/,$_,2);
131     push @w, "$w ?";
132     push @data, $v;
133     }
134     $sql .= ' where ' . join(' and ', @w);
135     }
136    
137 dpavlin 3
138     $sql .= ' group by ' . $group_by if $group_by;
139 dpavlin 2 $sql .= ' order by ' . param('order_by') if param('order_by');
140     $sql .= ' limit ? offset ?';
141    
142     push @data, ( $limit, $offset );
143    
144 dpavlin 3 my $sql_html = $sql;
145     {
146     my @d = @data;
147     $sql_html =~ s{\?}{dump( shift @d )}ge;
148     }
149     print qq|<code id="status">$sql_html<br>\n\r\n\r|;
150    
151 dpavlin 2 my $t = time();
152    
153 dpavlin 1 my $sth = $dbh->prepare( $sql );
154    
155     $sth->execute( @data );
156    
157 dpavlin 2 $t = time() - $t;
158    
159 dpavlin 3 print $sth->rows, qq| rows in $t s</code>|;
160 dpavlin 2
161    
162 dpavlin 3 @columns = @{ $sth->{NAME} } if $#columns == 0 && $columns[0] eq '*';
163 dpavlin 2
164 dpavlin 1 print qq|<table id="results">|;
165    
166     my $counter = 0;
167     sub table_row {
168     my $cell = shift;
169     my $class = $counter++ % 2 == 0 ? ' class=o' : '';
170     return
171     qq|<tr $class><$cell>|
172     . join( qq|</$cell><$cell>|, @_ )
173     . qq|</$cell></tr>|
174     ;
175    
176     }
177    
178     print table_row( 'th', @columns );
179    
180     while ( my @row = $sth->fetchrow_array ) {
181     print table_row( 'td', @row );
182     }
183    
184     print
185     qq|</table>|
186     , start_form( -id => 'sql' )
187    
188 dpavlin 6 , qq|<a href="#" onclick="\$('form#sql').toggleClass('visible'); return false;" class=close>close</a>|
189    
190 dpavlin 1 , qq|<label for=columns>select</label>|
191 dpavlin 2 , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
192 dpavlin 1
193     , qq|<label for=from>from</label>|
194     , textfield( -name => 'from', -value => $table, -default => 'log' )
195    
196     , qq|<label for=where>where</label>|
197 dpavlin 2 , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
198 dpavlin 1 , popup_menu( -name => 'where_column', -values => [ @columns ] ),
199 dpavlin 2 , popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
200 dpavlin 1 , textfield( -name => 'where_value' )
201    
202 dpavlin 3 , qq|<label for=group_by>group by</label>|
203     , textfield( -name => 'group_by' )
204     , submit( -name => 'add_group_by' )
205    
206 dpavlin 1 , qq|<label for=order_by>order by</label>|
207 dpavlin 2 , textfield( -name => 'order_by' )
208 dpavlin 1
209     , qq|<label for=limit>limit</label>|
210     , textfield( -name=> 'limit', -default => 1000, -size => 4 )
211    
212     , qq|<label for=offset>offset</label>|
213     , textfield( -name=> 'offset', -default => 0, -size => 4 )
214    
215     , submit( -name => 'execute', -value => 'execute' )
216    
217     , end_form
218    
219    
220     , qq|</body></html>|
221     ;

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