/[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 21 - (show annotations)
Sat Apr 18 14:08:52 2009 UTC (10 years, 2 months ago) by dpavlin
File size: 5246 byte(s)
send header without charset

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 print qq{Content-type: text/html\r\n\r\n};
13
14 our $dsn = 'DBI:Pg:dbname=syslog';
15 our $user = 'dpavlin';
16 our $table = 'log';
17 our $limit = 1000;
18
19 our $group_by_join = {
20 feed_id => [ 'feeds', 'id', 'title', 'link', 'timestamp' ],
21 };
22
23 require 'config.pl' if -e 'config.pl';
24
25 $table = param('table') || $table;
26 my @columns = param('columns');
27 @columns = ('*') unless @columns;
28 $limit = param('limit') || $limit;
29 my $offset = param('offset') || 0;
30
31 my @where_parts = param('where_parts');
32
33 my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
34
35 if ( my $group_by = param('lookup_col') ) {
36
37 my @cols = ( $group_by, "count($group_by)" );
38 my @group_by = ( $group_by );
39
40 my $join = '';
41 my @join = @{ $group_by_join->{$group_by} } if defined $group_by_join->{$group_by};
42 if ( @join ) {
43 warn "## join ",dump( @join );
44 my $join_table = shift @join;
45 my $col = shift @join;
46 $join = qq{ join $join_table on $table.$group_by = $join_table.$col };
47 my @join_cols = map { $join_table . '.' . $_ } @join;
48 push @cols, @join_cols;
49 push @group_by, @join_cols;
50 }
51
52 my $sql = join("\n",
53 'select', join(',', @cols), qq{
54 from $table
55 $join
56 }, 'group by', join(',', @group_by), qq{
57 order by count($group_by) desc
58 limit 10
59 }
60 );
61
62 warn "# join SQL: $sql\n";
63
64 my $t = time();
65 my $sth = $dbh->prepare( $sql );
66 $sth->execute;
67 $t = time() - $t;
68 print qq|$t<table><tr><th>|, join(qq|</th><th>|, @cols), qq|</th></tr>|;
69 while ( my @row = $sth->fetchrow_array ) {
70 my $n = shift @row;
71 $n = 'NULL' unless defined $n;
72 print qq|<tr><td><a href="#">$n</a></td><td>|, join(qq|</td><td>|, @row), qq|</td></tr>|;
73 }
74 print qq|</table>|;
75 print qq|<code>$sql</code>|;
76 exit;
77 }
78
79 print q|
80
81 <html>
82 <head>
83 <title>SQL Web Session</title>
84 <link rel="stylesheet" type="text/css" href="style.css">
85 <!-- http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js -->
86 <script type="text/javascript" src="jquery-1.3.2.min.js"></script>
87
88 <script type="text/javascript" src="sql-editor.js"></script>
89
90 </head>
91 <body>
92 |;
93
94 my $group_by = param('group_by');
95
96 if ( param('where_operator') && length( param('where_value') ) > 0 ) {
97 my $where_value = param('where_value');
98 push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
99 param('where_value','');
100 }
101
102
103 my $c = join(',', @columns);
104
105 my $sql = "select $c from $table";
106 my @data;
107
108 if ( @where_parts ) {
109 my @w;
110 foreach ( @where_parts ) {
111 my ( $w,$v ) = split(/\?\t/,$_,2);
112 push @w, "$w ?";
113 push @data, $v;
114 }
115 $sql .= ' where ' . join(' and ', @w);
116 }
117
118
119 $sql .= ' group by ' . $group_by if $group_by;
120 $sql .= ' order by ' . param('order_by') if param('order_by');
121 $sql .= ' limit ? offset ?';
122
123 push @data, ( $limit, $offset );
124
125 my $sql_html = $sql;
126 {
127 my @d = @data;
128 $sql_html =~ s{\?}{dump( shift @d )}ge;
129 }
130 print qq|<code id="status">$sql_html<br>\n\r\n\r|;
131
132 my $t = time();
133
134 my $sth = $dbh->prepare( $sql );
135
136 $sth->execute( @data );
137
138 $t = time() - $t;
139
140 print $sth->rows, qq| rows in $t s</code>|;
141
142 #my @types = map { scalar $dbh->type_info($_)->{TYPE_NAME} } @{ $sth->{TYPE} };
143 my $types = dump( $sth->{TYPE} );
144 print qq{
145 <script type="text/javascript">
146 var column_type = $types ;
147 </script>
148 };
149
150 @columns = @{ $sth->{NAME} } if $#columns == 0 && $columns[0] eq '*';
151
152 print qq|<table id="results">|;
153
154 my $counter = 0;
155 sub table_row {
156 my $cell = shift;
157 my $class = $counter++ % 2 == 0 ? ' class=o' : '';
158 return
159 qq|<tr $class><$cell>|
160 . join( qq|</$cell><$cell>|, @_ )
161 . qq|</$cell></tr>|
162 ;
163
164 }
165
166 print table_row( 'th', @columns );
167
168 while ( my @row = $sth->fetchrow_array ) {
169 print table_row( 'td', @row );
170 }
171
172 print
173 qq|</table>|
174 , start_form( -id => 'sql' )
175
176 , qq|<input type=button value="[x]" onclick="\$('form#sql').toggleClass('visible'); return false;" title="hide sql editor" class="close">|
177
178 , qq|<label for=columns>select</label>|
179 , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
180
181 , qq|<label for=from>from</label>|
182 , textfield( -name => 'from', -value => $table, -default => $table )
183
184 , qq|<label for=where>where</label>|
185 , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
186 , popup_menu( -name => 'where_column', -values => [ @columns ] ),
187 , popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
188 , textfield( -name => 'where_value' )
189 , qq|
190 <span>
191 <input type=button name=lookup_col title="lookup column details">
192 <input type=button name=close_group_by value="[x]" disabled=1>
193 <div id="lookup"></div>
194 <span>
195 |
196
197 , qq|<label for=group_by>group by</label>|
198 , textfield( -name => 'group_by' )
199
200 , qq|<label for=order_by>order by</label>|
201 , textfield( -name => 'order_by' )
202
203 , qq|<label for=limit>limit</label>|
204 , textfield( -name=> 'limit', -default => $limit, -size => 4 )
205
206 , qq|<label for=offset>offset</label>|
207 , textfield( -name=> 'offset', -default => 0, -size => 4 )
208
209 , submit( -name => 'execute', -value => 'execute' )
210
211 , end_form
212
213
214 , qq|</body></html>|
215 ;

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