/[sql-web-session]/index.cgi
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Revision 26 - (show annotations)
Sat Apr 18 23:54:30 2009 UTC (10 years, 6 months ago) by dpavlin
File size: 5785 byte(s)
display SQL query on top of lookup

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 sub where_from_parts {
36 return unless @_;
37 my @where_parts = @_;
38
39 warn "# where_from_parts ",dump( @where_parts );
40
41 my @w;
42 my @data;
43 foreach ( @where_parts ) {
44 my ( $w,$v ) = split(/\?\t/,$_,2);
45 push @w, "$w ?";
46 push @data, $v;
47 }
48 unshift @data, ' where ' . join(' and ', @w);
49 warn "# ",dump( @data );
50 return @data;
51 }
52
53 if ( my $group_by = param('lookup_col') ) {
54
55 my @cols = ( $group_by, "count($group_by)" );
56 my @group_by = ( $group_by );
57
58 my $join = '';
59 my @join = @{ $group_by_join->{$group_by} } if defined $group_by_join->{$group_by};
60 if ( @join ) {
61 warn "## join ",dump( @join );
62 my $join_table = shift @join;
63 my $col = shift @join;
64 $join = qq{ join $join_table on $table.$group_by = $join_table.$col };
65 my @join_cols = map { $join_table . '.' . $_ } @join;
66 push @cols, @join_cols;
67 push @group_by, @join_cols;
68 }
69
70 my @data = where_from_parts( @where_parts );
71
72 my $sql = join("\n",
73 'select', join(',', @cols), qq{
74 from $table
75 $join
76 }, shift @data, # extract where
77 'group by', join(',', @group_by), qq{
78 order by count($group_by) desc
79 limit $limit
80 }
81 );
82
83 warn "# join SQL: $sql\n";
84
85 my $t = time();
86 my $sth = $dbh->prepare( $sql );
87 $sth->execute( @data );
88 $t = time() - $t;
89 print qq|<code>$sql<code>|;
90 print qq|<table><tr><th>|, join(qq|</th><th>|, @cols), qq|</th></tr>|;
91 while ( my @row = $sth->fetchrow_array ) {
92 my $n = shift @row;
93 $n = 'NULL' unless defined $n;
94 print qq|<tr><td><a href="#">$n</a></td><td>|, join(qq|</td><td>|, @row), qq|</td></tr>|;
95 }
96 print qq|</table>|;
97 print $sth->rows, qq| rows in $t s|;
98 exit;
99 }
100
101 print q|
102
103 <html>
104 <head>
105 <title>SQL Web Session</title>
106 <link rel="stylesheet" type="text/css" href="style.css">
107 <!-- http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js -->
108 <script type="text/javascript" src="jquery-1.3.2.min.js"></script>
109
110 <script type="text/javascript" src="sql-editor.js"></script>
111
112 </head>
113 <body>
114 |;
115
116 my $group_by = param('group_by');
117
118 if ( param('where_operator') && length( param('where_value') ) > 0 ) {
119 my $where_value = param('where_value');
120 push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
121 param('where_value','');
122 }
123
124
125 my $c = join(',', @columns);
126
127 my $sql = "select $c from $table";
128 my @data;
129
130 my @where = where_from_parts( @where_parts );
131 $sql .= shift @where;
132 push @data, @where;
133
134 $sql .= ' group by ' . $group_by if $group_by;
135 $sql .= ' order by ' . param('order_by') if param('order_by');
136 $sql .= ' limit ? offset ?';
137
138 push @data, ( $limit, $offset );
139
140 my $sql_html = $sql;
141 {
142 my @d = @data;
143 $sql_html =~ s{\?}{dump( shift @d )}ge;
144 }
145 print qq|<code id="status">$sql_html<br>\n\r\n\r|;
146
147 my $t = time();
148
149 my $sth = $dbh->prepare( $sql );
150
151 $sth->execute( @data );
152
153 $t = time() - $t;
154
155 print $sth->rows, qq| rows in $t s</code>|;
156
157 @columns = @{ $sth->{NAME} } if $#columns == 0 && $columns[0] eq '*';
158
159 print
160 start_form( -id => 'sql', -class => 'fixed' )
161
162 , qq|<input type=button value="[=]" onclick="\$('form#sql').toggleClass('fixed'); return false;" title="toggle fixed position" class="right">|
163 , qq|<input type=button value="[x]" onclick="\$('form#sql').toggleClass('visible'); return false;" title="hide sql editor" class="right">|
164
165 , qq|<label for=columns>select</label>|
166 , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
167
168 , qq|<label for=from>from</label>|
169 , textfield( -name => 'from', -value => $table, -default => $table )
170
171 , qq|<label for=where>where</label>|
172 , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
173 , popup_menu( -name => 'where_column', -values => [ @columns ] ),
174 , popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
175 , textfield( -name => 'where_value' )
176 , qq|
177 <span>
178 <input type=button name=lookup_col title="lookup column details">
179 <input type=button name=close_group_by value="[x]" disabled=1>
180 <div id="lookup"></div>
181 </span>
182 |
183
184 , qq|<label for=group_by>group by</label>|
185 , textfield( -name => 'group_by' )
186
187 , qq|<label for=order_by>order by</label>|
188 , textfield( -name => 'order_by' )
189
190 , qq|<label for=limit>limit</label>|
191 , textfield( -name=> 'limit', -default => $limit, -size => 4 )
192
193 , qq|<label for=offset>offset</label>|
194 , textfield( -name=> 'offset', -default => 0, -size => 4 )
195
196 , submit( -name => 'execute', -value => 'execute' )
197
198 , end_form
199 ;
200
201 #my @types = map { scalar $dbh->type_info($_)->{TYPE_NAME} } @{ $sth->{TYPE} };
202 my $types = dump( $sth->{TYPE} );
203 print qq{
204 <script type="text/javascript">
205 var column_type = $types ;
206 </script>
207 };
208
209 print qq|<table id="results">|;
210
211 my $counter = 0;
212 sub table_row {
213 my $cell = shift;
214 my $class = $counter++ % 2 == 0 ? ' class=o' : '';
215 return
216 qq|<tr $class><$cell>|
217 . join( qq|</$cell><$cell>|, @_ )
218 . qq|</$cell></tr>|
219 ;
220
221 }
222
223 print table_row( 'th', @columns );
224
225 while ( my @row = $sth->fetchrow_array ) {
226 print table_row( 'td', @row );
227 }
228
229 print qq|</table>|
230 , qq|</body></html>|
231 ;

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