/[sql-web-session]/index.cgi
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Revision 26 - (hide annotations)
Sat Apr 18 23:54:30 2009 UTC (10 years, 4 months ago) by dpavlin
File size: 5785 byte(s)
display SQL query on top of lookup

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 dpavlin 21 print qq{Content-type: text/html\r\n\r\n};
13    
14 dpavlin 1 our $dsn = 'DBI:Pg:dbname=syslog';
15     our $user = 'dpavlin';
16 dpavlin 17 our $table = 'log';
17 dpavlin 18 our $limit = 1000;
18 dpavlin 1
19 dpavlin 19 our $group_by_join = {
20     feed_id => [ 'feeds', 'id', 'title', 'link', 'timestamp' ],
21     };
22    
23 dpavlin 2 require 'config.pl' if -e 'config.pl';
24    
25 dpavlin 17 $table = param('table') || $table;
26 dpavlin 1 my @columns = param('columns');
27     @columns = ('*') unless @columns;
28 dpavlin 18 $limit = param('limit') || $limit;
29 dpavlin 1 my $offset = param('offset') || 0;
30    
31 dpavlin 2 my @where_parts = param('where_parts');
32    
33 dpavlin 10 my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
34    
35 dpavlin 23 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 dpavlin 20 if ( my $group_by = param('lookup_col') ) {
54 dpavlin 19
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 dpavlin 23 my @data = where_from_parts( @where_parts );
71    
72 dpavlin 19 my $sql = join("\n",
73     'select', join(',', @cols), qq{
74 dpavlin 10 from $table
75 dpavlin 19 $join
76 dpavlin 23 }, shift @data, # extract where
77     'group by', join(',', @group_by), qq{
78 dpavlin 10 order by count($group_by) desc
79 dpavlin 25 limit $limit
80 dpavlin 19 }
81     );
82    
83     warn "# join SQL: $sql\n";
84    
85     my $t = time();
86     my $sth = $dbh->prepare( $sql );
87 dpavlin 23 $sth->execute( @data );
88 dpavlin 19 $t = time() - $t;
89 dpavlin 26 print qq|<code>$sql<code>|;
90     print qq|<table><tr><th>|, join(qq|</th><th>|, @cols), qq|</th></tr>|;
91 dpavlin 10 while ( my @row = $sth->fetchrow_array ) {
92 dpavlin 19 my $n = shift @row;
93 dpavlin 10 $n = 'NULL' unless defined $n;
94 dpavlin 19 print qq|<tr><td><a href="#">$n</a></td><td>|, join(qq|</td><td>|, @row), qq|</td></tr>|;
95 dpavlin 10 }
96     print qq|</table>|;
97 dpavlin 26 print $sth->rows, qq| rows in $t s|;
98 dpavlin 10 exit;
99     }
100    
101 dpavlin 21 print q|
102 dpavlin 1
103     <html>
104     <head>
105 dpavlin 2 <title>SQL Web Session</title>
106 dpavlin 1 <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 dpavlin 7
110 dpavlin 10 <script type="text/javascript" src="sql-editor.js"></script>
111 dpavlin 7
112 dpavlin 1 </head>
113     <body>
114     |;
115    
116 dpavlin 10 my $group_by = param('group_by');
117 dpavlin 1
118     if ( param('where_operator') && length( param('where_value') ) > 0 ) {
119 dpavlin 2 my $where_value = param('where_value');
120     push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
121     param('where_value','');
122 dpavlin 1 }
123    
124 dpavlin 3
125 dpavlin 2 my $c = join(',', @columns);
126 dpavlin 1
127 dpavlin 2 my $sql = "select $c from $table";
128     my @data;
129    
130 dpavlin 23 my @where = where_from_parts( @where_parts );
131     $sql .= shift @where;
132     push @data, @where;
133 dpavlin 2
134 dpavlin 3 $sql .= ' group by ' . $group_by if $group_by;
135 dpavlin 2 $sql .= ' order by ' . param('order_by') if param('order_by');
136     $sql .= ' limit ? offset ?';
137    
138     push @data, ( $limit, $offset );
139    
140 dpavlin 3 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 dpavlin 2 my $t = time();
148    
149 dpavlin 1 my $sth = $dbh->prepare( $sql );
150    
151     $sth->execute( @data );
152    
153 dpavlin 2 $t = time() - $t;
154    
155 dpavlin 3 print $sth->rows, qq| rows in $t s</code>|;
156 dpavlin 2
157 dpavlin 3 @columns = @{ $sth->{NAME} } if $#columns == 0 && $columns[0] eq '*';
158 dpavlin 2
159 dpavlin 1 print
160 dpavlin 24 start_form( -id => 'sql', -class => 'fixed' )
161 dpavlin 1
162 dpavlin 22 , 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 dpavlin 6
165 dpavlin 1 , qq|<label for=columns>select</label>|
166 dpavlin 2 , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
167 dpavlin 1
168     , qq|<label for=from>from</label>|
169 dpavlin 19 , textfield( -name => 'from', -value => $table, -default => $table )
170 dpavlin 1
171     , qq|<label for=where>where</label>|
172 dpavlin 2 , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
173 dpavlin 1 , popup_menu( -name => 'where_column', -values => [ @columns ] ),
174 dpavlin 2 , popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
175 dpavlin 1 , textfield( -name => 'where_value' )
176 dpavlin 10 , qq|
177     <span>
178 dpavlin 20 <input type=button name=lookup_col title="lookup column details">
179 dpavlin 10 <input type=button name=close_group_by value="[x]" disabled=1>
180 dpavlin 12 <div id="lookup"></div>
181 dpavlin 24 </span>
182 dpavlin 10 |
183 dpavlin 1
184 dpavlin 3 , qq|<label for=group_by>group by</label>|
185     , textfield( -name => 'group_by' )
186    
187 dpavlin 1 , qq|<label for=order_by>order by</label>|
188 dpavlin 2 , textfield( -name => 'order_by' )
189 dpavlin 1
190     , qq|<label for=limit>limit</label>|
191 dpavlin 19 , textfield( -name=> 'limit', -default => $limit, -size => 4 )
192 dpavlin 1
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 dpavlin 24 ;
200 dpavlin 1
201 dpavlin 24 #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 dpavlin 1
209 dpavlin 24 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 dpavlin 1 , qq|</body></html>|
231     ;

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