/[sql-web-session]/index.cgi
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Revision 2 - (show annotations)
Mon Apr 13 17:55:51 2009 UTC (10 years, 2 months ago) by dpavlin
File size: 4378 byte(s)
added where_parts so you now can drill down in data
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 use Time::HiRes qw/time/;
11
12 our $dsn = 'DBI:Pg:dbname=syslog';
13 our $user = 'dpavlin';
14
15 require 'config.pl' if -e 'config.pl';
16
17 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 my @where_parts = param('where_parts');
24
25 print header, q|
26
27 <html>
28 <head>
29 <title>SQL Web Session</title>
30 <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 <script type="text/javascript">
34
35 $(document).ready( function() {
36
37 function click_on_cell(e) {
38
39 var tag = e.originalTarget.tagName;
40
41 var col_nr = e.originalTarget.cellIndex;
42
43 var column = $('table#results th:nth-child(' + ( col_nr + 1 ) + ')').text();
44 var where_operator = '=';
45 var where_value = window.getSelection().getRangeAt(0).cloneContents().textContent;
46 if ( where_value.length == 0 )
47 where_value = e.originalTarget.textContent;
48 else
49 where_value = '%' + where_value + '%';
50
51 console.debug('click on ', this, e,
52 e.originalTarget,
53 column, where_operator, where_value
54 );
55
56 if ( tag == 'TH' ) {
57 console.info('header', column);
58 $('form#sql input[name=order_by]').attr('value', where_value);
59 } else if ( tag = 'TD' ) {
60 console.info('column', column, where_operator, where_value);
61 $('form#sql input[name=where_value]').attr('value', where_value);
62 $('form#sql select[name=where_column]').attr('options').selectedIndex = col_nr;
63 } else {
64 console.error('unknown click on ', tag, e);
65 }
66
67 $('form#sql').addClass('visible');
68 };
69
70 $('table#results').bind('mouseup', click_on_cell);
71
72 $('#status').bind('click', function() {
73 $('form#sql').toggleClass('visible');
74 });
75
76 console.info('ready');
77 });
78
79 </script>
80 </head>
81 <body>
82 |;
83
84 my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
85
86
87 if ( param('where_operator') && length( param('where_value') ) > 0 ) {
88 my $where_value = param('where_value');
89 push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
90 param('where_value','');
91 }
92
93 my $c = join(',', @columns);
94
95 my $sql = "select $c from $table";
96 my @data;
97
98 if ( @where_parts ) {
99 my @w;
100 foreach ( @where_parts ) {
101 my ( $w,$v ) = split(/\?\t/,$_,2);
102 push @w, "$w ?";
103 push @data, $v;
104 }
105 $sql .= ' where ' . join(' and ', @w);
106 }
107
108 $sql .= ' order by ' . param('order_by') if param('order_by');
109 $sql .= ' limit ? offset ?';
110
111 push @data, ( $limit, $offset );
112
113 my $t = time();
114
115 my $sth = $dbh->prepare( $sql );
116
117 $sth->execute( @data );
118
119 $t = time() - $t;
120
121 my $sql_html = $sql;
122 $sql_html =~ s{\?}{dump( shift @data )}ge;
123
124 print qq|<code id="status">$sql_html<br>|, $sth->rows, qq| rows in $t s</code>|;
125
126
127 @columns = @{ $sth->{NAME} };
128
129 print qq|<table id="results">|;
130
131 my $counter = 0;
132 sub table_row {
133 my $cell = shift;
134 my $class = $counter++ % 2 == 0 ? ' class=o' : '';
135 return
136 qq|<tr $class><$cell>|
137 . join( qq|</$cell><$cell>|, @_ )
138 . qq|</$cell></tr>|
139 ;
140
141 }
142
143 print table_row( 'th', @columns );
144
145 while ( my @row = $sth->fetchrow_array ) {
146 print table_row( 'td', @row );
147 }
148
149 print
150 qq|</table>|
151 , start_form( -id => 'sql' )
152
153 , qq|<label for=columns>select</label>|
154 , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
155
156 , qq|<label for=from>from</label>|
157 , textfield( -name => 'from', -value => $table, -default => 'log' )
158
159 , qq|<label for=where>where</label>|
160 , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
161 , popup_menu( -name => 'where_column', -values => [ @columns ] ),
162 , popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
163 , textfield( -name => 'where_value' )
164
165 , qq|<label for=order_by>order by</label>|
166 , textfield( -name => 'order_by' )
167
168 , qq|<label for=limit>limit</label>|
169 , textfield( -name=> 'limit', -default => 1000, -size => 4 )
170
171 , qq|<label for=offset>offset</label>|
172 , textfield( -name=> 'offset', -default => 0, -size => 4 )
173
174 , submit( -name => 'execute', -value => 'execute' )
175
176 , end_form
177
178
179 , qq|</body></html>|
180 ;

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