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dpavlin |
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#!/usr/bin/perl |
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use warnings; |
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use strict; |
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use CGI qw/:standard/; |
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use CGI::Carp qw/fatalsToBrowser/; # FIXME remove for production |
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use DBI; |
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use Data::Dump qw/dump/; |
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use Time::HiRes qw/time/; |
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our $dsn = 'DBI:Pg:dbname=syslog'; |
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our $user = 'dpavlin'; |
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require 'config.pl' if -e 'config.pl'; |
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my @columns = param('columns'); |
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@columns = ('*') unless @columns; |
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my $table = param('table') || 'log'; |
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my $limit = param('limit') || 1000; |
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my $offset = param('offset') || 0; |
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my @where_parts = param('where_parts'); |
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print header, q| |
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<html> |
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<head> |
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<title>SQL Web Session</title> |
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<link rel="stylesheet" type="text/css" href="style.css"> |
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<!-- http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js --> |
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<script type="text/javascript" src="jquery-1.3.2.min.js"></script> |
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<script type="text/javascript"> |
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$(document).ready( function() { |
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function click_on_cell(e) { |
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var tag = e.originalTarget.tagName; |
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var col_nr = e.originalTarget.cellIndex; |
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var column = $('table#results th:nth-child(' + ( col_nr + 1 ) + ')').text(); |
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var where_operator = '='; |
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var where_value = window.getSelection().getRangeAt(0).cloneContents().textContent; |
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if ( where_value.length == 0 ) |
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where_value = e.originalTarget.textContent; |
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else |
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where_value = '%' + where_value + '%'; |
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console.debug('click on ', this, e, |
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e.originalTarget, |
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column, where_operator, where_value |
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); |
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if ( tag == 'TH' ) { |
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console.info('header', column); |
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$('form#sql input[name=order_by]').attr('value', where_value); |
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} else if ( tag = 'TD' ) { |
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console.info('column', column, where_operator, where_value); |
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$('form#sql input[name=where_value]').attr('value', where_value); |
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$('form#sql select[name=where_column]').attr('options').selectedIndex = col_nr; |
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} else { |
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console.error('unknown click on ', tag, e); |
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} |
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$('form#sql').addClass('visible'); |
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}; |
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$('table#results').bind('mouseup', click_on_cell); |
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$('#status').bind('click', function() { |
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$('form#sql').toggleClass('visible'); |
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}); |
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console.info('ready'); |
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}); |
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</script> |
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</head> |
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<body> |
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|; |
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my $dbh = DBI->connect( $dsn, $user, '', { RaiseError => 1 } ) || die $DBI::errstr; |
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if ( param('where_operator') && length( param('where_value') ) > 0 ) { |
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my $where_value = param('where_value'); |
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push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value"; |
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param('where_value',''); |
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} |
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my $c = join(',', @columns); |
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my $sql = "select $c from $table"; |
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my @data; |
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if ( @where_parts ) { |
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my @w; |
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foreach ( @where_parts ) { |
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my ( $w,$v ) = split(/\?\t/,$_,2); |
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push @w, "$w ?"; |
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push @data, $v; |
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} |
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$sql .= ' where ' . join(' and ', @w); |
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} |
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$sql .= ' order by ' . param('order_by') if param('order_by'); |
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$sql .= ' limit ? offset ?'; |
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push @data, ( $limit, $offset ); |
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my $t = time(); |
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my $sth = $dbh->prepare( $sql ); |
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$sth->execute( @data ); |
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$t = time() - $t; |
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my $sql_html = $sql; |
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$sql_html =~ s{\?}{dump( shift @data )}ge; |
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print qq|<code id="status">$sql_html<br>|, $sth->rows, qq| rows in $t s</code>|; |
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@columns = @{ $sth->{NAME} }; |
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print qq|<table id="results">|; |
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my $counter = 0; |
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sub table_row { |
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my $cell = shift; |
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my $class = $counter++ % 2 == 0 ? ' class=o' : ''; |
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return |
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qq|<tr $class><$cell>| |
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. join( qq|</$cell><$cell>|, @_ ) |
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. qq|</$cell></tr>| |
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; |
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} |
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print table_row( 'th', @columns ); |
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while ( my @row = $sth->fetchrow_array ) { |
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print table_row( 'td', @row ); |
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} |
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print |
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qq|</table>| |
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, start_form( -id => 'sql' ) |
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, qq|<label for=columns>select</label>| |
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, checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] ) |
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, qq|<label for=from>from</label>| |
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, textfield( -name => 'from', -value => $table, -default => 'log' ) |
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, qq|<label for=where>where</label>| |
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, checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] ) |
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, popup_menu( -name => 'where_column', -values => [ @columns ] ), |
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, popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ]) |
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, textfield( -name => 'where_value' ) |
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, qq|<label for=order_by>order by</label>| |
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, textfield( -name => 'order_by' ) |
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, qq|<label for=limit>limit</label>| |
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, textfield( -name=> 'limit', -default => 1000, -size => 4 ) |
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, qq|<label for=offset>offset</label>| |
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, textfield( -name=> 'offset', -default => 0, -size => 4 ) |
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, submit( -name => 'execute', -value => 'execute' ) |
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, end_form |
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, qq|</body></html>| |
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; |