/[sql-web-session]/index.cgi
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revision 14 by dpavlin, Wed Apr 15 15:35:15 2009 UTC revision 21 by dpavlin, Sat Apr 18 14:08:52 2009 UTC
# Line 9  use DBI; Line 9  use DBI;
9  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
10  use Time::HiRes qw/time/;  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';  our $dsn    = 'DBI:Pg:dbname=syslog';
15  our $user   = 'dpavlin';  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';  require 'config.pl' if -e 'config.pl';
24    
25  my $table = param('table') || 'log';  $table  = param('table') || $table;
26  my @columns = param('columns');  my @columns = param('columns');
27  @columns = ('*') unless @columns;  @columns = ('*') unless @columns;
28  my $limit = param('limit') || 1000;  $limit = param('limit') || $limit;
29  my $offset = param('offset') || 0;  my $offset = param('offset') || 0;
30    
31  my @where_parts = param('where_parts');  my @where_parts = param('where_parts');
32    
33  my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;  my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
34    
35  if ( my $group_by = param('add_group_by') ) {  if ( my $group_by = param('lookup_col') ) {
36          my $sth = $dbh->prepare(qq{  
37                  select $group_by,count($group_by)          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                  from $table
55                  group by $group_by                  $join
56                    }, 'group by', join(',', @group_by), qq{
57                  order by count($group_by) desc                  order by count($group_by) desc
58                  limit 10                  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;          $sth->execute;
67          print header, qq|<table><tr><th>count</th><th>$group_by</th><tr>|;          $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 ) {          while ( my @row = $sth->fetchrow_array ) {
70                  my ( $n, $c ) = @row;                  my $n = shift @row;
71                  $n = 'NULL' unless defined $n;                  $n = 'NULL' unless defined $n;
72                  print qq|<tr><td>$c</td><td>$n</td></tr>|;                  print qq|<tr><td><a href="#">$n</a></td><td>|, join(qq|</td><td>|, @row), qq|</td></tr>|;
73          }          }
74          print qq|</table>|;          print qq|</table>|;
75            print qq|<code>$sql</code>|;
76          exit;          exit;
77  }  }
78    
79  print header, q|  print q|
80    
81  <html>  <html>
82  <head>  <head>
# Line 140  print Line 173  print
173          qq|</table>|          qq|</table>|
174          , start_form( -id => 'sql' )          , start_form( -id => 'sql' )
175    
176          , qq|<a href="#" onclick="\$('form#sql').toggleClass('visible'); return false;" class=close title="hide sql editor">[x]</a>|          , 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>|          , qq|<label for=columns>select</label>|
179          , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )          , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
180    
181          , qq|<label for=from>from</label>|          , qq|<label for=from>from</label>|
182          , textfield( -name => 'from', -value => $table, -default => 'log' )          , textfield( -name => 'from', -value => $table, -default => $table )
183    
184          , qq|<label for=where>where</label>|          , qq|<label for=where>where</label>|
185          , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )          , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
# Line 155  print Line 188  print
188          , textfield( -name => 'where_value' )          , textfield( -name => 'where_value' )
189          , qq|          , qq|
190                  <span>                  <span>
191                  <input type=button name=add_group_by>                  <input type=button name=lookup_col title="lookup column details">
192                  <input type=button name=close_group_by value="[x]" disabled=1>                  <input type=button name=close_group_by value="[x]" disabled=1>
193                  <div id="lookup"></div>                  <div id="lookup"></div>
194                  <span>                  <span>
# Line 168  print Line 201  print
201          , textfield( -name => 'order_by' )          , textfield( -name => 'order_by' )
202    
203          , qq|<label for=limit>limit</label>|          , qq|<label for=limit>limit</label>|
204          , textfield( -name=> 'limit', -default => 1000, -size => 4 )          , textfield( -name=> 'limit', -default => $limit, -size => 4 )
205    
206          , qq|<label for=offset>offset</label>|          , qq|<label for=offset>offset</label>|
207          , textfield( -name=> 'offset', -default => 0, -size => 4 )          , textfield( -name=> 'offset', -default => 0, -size => 4 )

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