/[sql-web-session]/index.cgi
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Revision 27 - (show annotations)
Sat Apr 18 23:58:42 2009 UTC (10 years, 2 months ago) by dpavlin
File size: 5863 byte(s)
display SQL with embedded parametars using sql_html

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 sub sql_html {
54 my @d = @_;
55 my $sql_html = shift @d;
56 $sql_html =~ s{\?}{dump( shift @d )}ge;
57 return $sql_html;
58 }
59
60 if ( my $group_by = param('lookup_col') ) {
61
62 my @cols = ( $group_by, "count($group_by)" );
63 my @group_by = ( $group_by );
64
65 my $join = '';
66 my @join = @{ $group_by_join->{$group_by} } if defined $group_by_join->{$group_by};
67 if ( @join ) {
68 warn "## join ",dump( @join );
69 my $join_table = shift @join;
70 my $col = shift @join;
71 $join = qq{ join $join_table on $table.$group_by = $join_table.$col };
72 my @join_cols = map { $join_table . '.' . $_ } @join;
73 push @cols, @join_cols;
74 push @group_by, @join_cols;
75 }
76
77 my @data = where_from_parts( @where_parts );
78
79 my $sql = join("\n",
80 'select', join(',', @cols), qq{
81 from $table
82 $join
83 }, shift @data, # extract where
84 'group by', join(',', @group_by), qq{
85 order by count($group_by) desc
86 limit $limit
87 }
88 );
89
90 warn "# join SQL: $sql\n";
91
92 my $t = time();
93 my $sth = $dbh->prepare( $sql );
94 $sth->execute( @data );
95 $t = time() - $t;
96 print qq|<code>|, sql_html( $sql, @data ), qq|<code>|;
97 print qq|<table><tr><th>|, join(qq|</th><th>|, @cols), qq|</th></tr>|;
98 while ( my @row = $sth->fetchrow_array ) {
99 my $n = shift @row;
100 $n = 'NULL' unless defined $n;
101 print qq|<tr><td><a href="#">$n</a></td><td>|, join(qq|</td><td>|, @row), qq|</td></tr>|;
102 }
103 print qq|</table>|;
104 print $sth->rows, qq| rows in $t s|;
105 exit;
106 }
107
108 print q|
109
110 <html>
111 <head>
112 <title>SQL Web Session</title>
113 <link rel="stylesheet" type="text/css" href="style.css">
114 <!-- http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js -->
115 <script type="text/javascript" src="jquery-1.3.2.min.js"></script>
116
117 <script type="text/javascript" src="sql-editor.js"></script>
118
119 </head>
120 <body>
121 |;
122
123 my $group_by = param('group_by');
124
125 if ( param('where_operator') && length( param('where_value') ) > 0 ) {
126 my $where_value = param('where_value');
127 push @where_parts, param('where_column') . ' ' . param('where_operator') . " ?\t$where_value";
128 param('where_value','');
129 }
130
131
132 my $c = join(',', @columns);
133
134 my $sql = "select $c from $table";
135 my @data;
136
137 my @where = where_from_parts( @where_parts );
138 $sql .= shift @where;
139 push @data, @where;
140
141 $sql .= ' group by ' . $group_by if $group_by;
142 $sql .= ' order by ' . param('order_by') if param('order_by');
143 $sql .= ' limit ? offset ?';
144
145 push @data, ( $limit, $offset );
146
147 print qq|<code id="status">|, sql_html( $sql, @data ), qq|<br>\n|;
148
149 my $t = time();
150
151 my $sth = $dbh->prepare( $sql );
152
153 $sth->execute( @data );
154
155 $t = time() - $t;
156
157 print $sth->rows, qq| rows in $t s</code>|;
158
159 @columns = @{ $sth->{NAME} } if $#columns == 0 && $columns[0] eq '*';
160
161 print
162 start_form( -id => 'sql', -class => 'fixed' )
163
164 , qq|<input type=button value="[=]" onclick="\$('form#sql').toggleClass('fixed'); return false;" title="toggle fixed position" class="right">|
165 , qq|<input type=button value="[x]" onclick="\$('form#sql').toggleClass('visible'); return false;" title="hide sql editor" class="right">|
166
167 , qq|<label for=columns>select</label>|
168 , checkbox_group( -name => 'columns', -values => [ @columns ], -defaults => [ @columns ] )
169
170 , qq|<label for=from>from</label>|
171 , textfield( -name => 'from', -value => $table, -default => $table )
172
173 , qq|<label for=where>where</label>|
174 , checkbox_group( -name => 'where_parts', -values => [ @where_parts ], -defaults => [ @where_parts ] )
175 , popup_menu( -name => 'where_column', -values => [ @columns ] ),
176 , popup_menu( -name => 'where_operator', -values => [ 'not like', 'like', '!=', '=' ])
177 , textfield( -name => 'where_value' )
178 , qq|
179 <span>
180 <input type=button name=lookup_col title="lookup column details">
181 <input type=button name=close_group_by value="[x]" disabled=1>
182 <div id="lookup"></div>
183 </span>
184 |
185
186 , qq|<label for=group_by>group by</label>|
187 , textfield( -name => 'group_by' )
188
189 , qq|<label for=order_by>order by</label>|
190 , textfield( -name => 'order_by' )
191
192 , qq|<label for=limit>limit</label>|
193 , textfield( -name=> 'limit', -default => $limit, -size => 4 )
194
195 , qq|<label for=offset>offset</label>|
196 , textfield( -name=> 'offset', -default => 0, -size => 4 )
197
198 , submit( -name => 'execute', -value => 'execute' )
199
200 , end_form
201 ;
202
203 #my @types = map { scalar $dbh->type_info($_)->{TYPE_NAME} } @{ $sth->{TYPE} };
204 my $types = dump( $sth->{TYPE} );
205 print qq{
206 <script type="text/javascript">
207 var column_type = $types ;
208 </script>
209 };
210
211 print qq|<table id="results">|;
212
213 my $counter = 0;
214 sub table_row {
215 my $cell = shift;
216 my $class = $counter++ % 2 == 0 ? ' class=o' : '';
217 return
218 qq|<tr $class><$cell>|
219 . join( qq|</$cell><$cell>|, @_ )
220 . qq|</$cell></tr>|
221 ;
222
223 }
224
225 print table_row( 'th', @columns );
226
227 while ( my @row = $sth->fetchrow_array ) {
228 print table_row( 'td', @row );
229 }
230
231 print qq|</table>|
232 , qq|</body></html>|
233 ;

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