/[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 17 by dpavlin, Sat Apr 18 12:08:07 2009 UTC revision 20 by dpavlin, Sat Apr 18 14:05:13 2009 UTC
# Line 12  use Time::HiRes qw/time/; Line 12  use Time::HiRes qw/time/;
12  our $dsn    = 'DBI:Pg:dbname=syslog';  our $dsn    = 'DBI:Pg:dbname=syslog';
13  our $user   = 'dpavlin';  our $user   = 'dpavlin';
14  our $table  = 'log';  our $table  = 'log';
15    our $limit  = 1000;
16    
17    our $group_by_join = {
18            feed_id => [ 'feeds', 'id', 'title', 'link', 'timestamp' ],
19    };
20    
21  require 'config.pl' if -e 'config.pl';  require 'config.pl' if -e 'config.pl';
22    
23  $table  = param('table') || $table;  $table  = param('table') || $table;
24  my @columns = param('columns');  my @columns = param('columns');
25  @columns = ('*') unless @columns;  @columns = ('*') unless @columns;
26  my $limit = param('limit') || 1000;  $limit = param('limit') || $limit;
27  my $offset = param('offset') || 0;  my $offset = param('offset') || 0;
28    
29  my @where_parts = param('where_parts');  my @where_parts = param('where_parts');
30    
31  my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;  my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr;
32    
33  if ( my $group_by = param('add_group_by') ) {  if ( my $group_by = param('lookup_col') ) {
34          my $sth = $dbh->prepare(qq{  
35                  select $group_by,count($group_by)          my @cols = ( $group_by, "count($group_by)" );
36            my @group_by = ( $group_by );
37    
38            my $join = '';
39            my @join = @{ $group_by_join->{$group_by} } if defined $group_by_join->{$group_by};
40            if ( @join ) {
41                    warn "## join ",dump( @join );
42                    my $join_table = shift @join;
43                    my $col = shift @join;
44                    $join = qq{ join $join_table on $table.$group_by = $join_table.$col };
45                    my @join_cols = map { $join_table . '.' . $_ } @join;
46                    push @cols, @join_cols;
47                    push @group_by, @join_cols;
48            }
49    
50            my $sql = join("\n",
51                    'select', join(',', @cols), qq{
52                  from $table                  from $table
53                  group by $group_by                  $join
54                    }, 'group by', join(',', @group_by), qq{
55                  order by count($group_by) desc                  order by count($group_by) desc
56                  limit 10                  limit 10
57          });                  }
58            );
59    
60            warn "# join SQL: $sql\n";
61    
62            my $t = time();
63            my $sth = $dbh->prepare( $sql );
64          $sth->execute;          $sth->execute;
65          print header, qq|<table><tr><th>count</th><th>$group_by</th><tr>|;          $t = time() - $t;
66            print header, qq|$t<table><tr><th>|, join(qq|</th><th>|, @cols), qq|</th></tr>|;
67          while ( my @row = $sth->fetchrow_array ) {          while ( my @row = $sth->fetchrow_array ) {
68                  my ( $n, $c ) = @row;                  my $n = shift @row;
69                  $n = 'NULL' unless defined $n;                  $n = 'NULL' unless defined $n;
70                  print qq|<tr><td>$c</td><td><a href="#">$n</a></td></tr>|;                  print qq|<tr><td><a href="#">$n</a></td><td>|, join(qq|</td><td>|, @row), qq|</td></tr>|;
71          }          }
72          print qq|</table>|;          print qq|</table>|;
73            print qq|<code>$sql</code>|;
74          exit;          exit;
75  }  }
76    
# Line 141  print Line 171  print
171          qq|</table>|          qq|</table>|
172          , start_form( -id => 'sql' )          , start_form( -id => 'sql' )
173    
174          , 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">|
175    
176          , qq|<label for=columns>select</label>|          , qq|<label for=columns>select</label>|
177          , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )          , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
178    
179          , qq|<label for=from>from</label>|          , qq|<label for=from>from</label>|
180          , textfield( -name => 'from', -value => $table, -default => 'log' )          , textfield( -name => 'from', -value => $table, -default => $table )
181    
182          , qq|<label for=where>where</label>|          , qq|<label for=where>where</label>|
183          , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )          , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
# Line 156  print Line 186  print
186          , textfield( -name => 'where_value' )          , textfield( -name => 'where_value' )
187          , qq|          , qq|
188                  <span>                  <span>
189                  <input type=button name=add_group_by>                  <input type=button name=lookup_col title="lookup column details">
190                  <input type=button name=close_group_by value="[x]" disabled=1>                  <input type=button name=close_group_by value="[x]" disabled=1>
191                  <div id="lookup"></div>                  <div id="lookup"></div>
192                  <span>                  <span>
# Line 169  print Line 199  print
199          , textfield( -name => 'order_by' )          , textfield( -name => 'order_by' )
200    
201          , qq|<label for=limit>limit</label>|          , qq|<label for=limit>limit</label>|
202          , textfield( -name=> 'limit', -default => 1000, -size => 4 )          , textfield( -name=> 'limit', -default => $limit, -size => 4 )
203    
204          , qq|<label for=offset>offset</label>|          , qq|<label for=offset>offset</label>|
205          , textfield( -name=> 'offset', -default => 0, -size => 4 )          , textfield( -name=> 'offset', -default => 0, -size => 4 )

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