SQLSession/Action/DoSQL.pm

use strict;
use warnings;

=head1 NAME

SQLSession::Action::DoSQL

=cut

package SQLSession::Action::DoSQL;
use base qw/SQLSession::Action Jifty::Action/;

use SQLSession::Model::DatabaseCollection;
use DBI;
use Time::HiRes qw/time/;

use Data::Dump qw/dump/;

use Jifty::Param::Schema;
use Jifty::Action schema {

        param sql_query =>
                label is 'SQL',
                render as 'textarea',
                ajax validates,
                ajax canonicalizes,
                is mandatory;
        
        param database =>
                label is 'Database',
                render as 'Select',
#               available are qw( test foo bar );
                available are defer {
                        my $dbs = SQLSession::Model::DatabaseCollection->new;
                        $dbs->unlimit;
                        [{
                                display_from => 'name',
                                value_from => 'id',
                                collection => $dbs,
                        }];
                };

};

sub sticky_on_success { 1 }
sub sticky_on_failure { 1 }

=head2 validate_sql_query

Can't be empty!

=cut

sub validate_sql_query {
        my $self = shift;
        my $value = shift;

        if ( $value =~ m/^\s+;*\s*$/s ) {
                return $self->validation_error( sql_query => 'You need to type in SQL query' );
        } else {
                return $self->validation_ok('sql_query');
        }
}

use SQL::ReservedWords;

sub canonicalize_sql_query {
        my $self = shift;
        my $sql = shift;

        my @words = SQL::ReservedWords->words;

        my $w = join('|', @words);

        $w .= '|limit|offset';  # fixup

        warn "original SQL:\t$sql";

        $sql =~ s/([\b^'])($w)\1/uc($2)/egis;

        warn "canonicalize SQL:\t$sql";

        return $sql;
}

=head2 take_action

Execute SQL query on database

=cut

sub take_action {
    my $self = shift;
    
    # Custom action code

        my $database = $self->argument_value('database') || $self->form_value('database');
        warn "database: $database\n";

        my $db = SQLSession::Model::Database->new;
        $db->load_by_cols( id => $database ) ||
                $self->result->error("Can't find database $database");

        my $dbh = DBI->connect( $db->dsn, $db->login, $db->passwd ) ||
                $self->result->error("Can't connect to " . $db->dsn . " as " . $db->login . "<br/>" . $DBI::errstr) && return 0;

        $dbh->do("SET client_encoding = UTF8") if ($db->dsn =~ /Pg/);

        my $sql = $self->argument_value('sql_query');

        warn "SQL: $sql\n";

        my $t = time();

        my $sth = $dbh->prepare( $sql ) ||
                $self->result->error( $dbh->errstr() ) && return 0;

        $sth->execute() ||
                $self->result->error( $sth->errstr() ) && return 0;
        
        $self->result->message('Query produced ' . (
                $sth->rows == 0 ?       'no results' :
                $sth->rows == 1 ?       'single row' :
                sprintf("%d rows in %.2fs", $sth->rows, time() - $t)
        )) if ($sth->rows >= 0);

        $self->result->content( sth => $sth );

    return 1;
}

1;

1	dpavlin	5	use strict;
2			use warnings;
3
4			=head1 NAME
5
6			SQLSession::Action::DoSQL
7
8			=cut
9
10			package SQLSession::Action::DoSQL;
11			use base qw/SQLSession::Action Jifty::Action/;
12
13			use SQLSession::Model::DatabaseCollection;
14	dpavlin	7	use DBI;
15	dpavlin	66	use Time::HiRes qw/time/;
16	dpavlin	7
17	dpavlin	5	use Data::Dump qw/dump/;
18
19			use Jifty::Param::Schema;
20			use Jifty::Action schema {
21
22			param sql_query =>
23			label is 'SQL',
24	dpavlin	7	render as 'textarea',
25	dpavlin	35	ajax validates,
26			ajax canonicalizes,
27	dpavlin	28	is mandatory;
28	dpavlin	5
29			param database =>
30			label is 'Database',
31			render as 'Select',
32			# available are qw( test foo bar );
33			available are defer {
34			my $dbs = SQLSession::Model::DatabaseCollection->new;
35			$dbs->unlimit;
36	dpavlin	6	[{
37	dpavlin	5	display_from => 'name',
38	dpavlin	20	value_from => 'id',
39	dpavlin	5	collection => $dbs,
40			}];
41			};
42
43			};
44
45	dpavlin	7	sub sticky_on_success { 1 }
46			sub sticky_on_failure { 1 }
47
48			=head2 validate_sql_query
49
50			Can't be empty!
51
52			=cut
53
54	dpavlin	8	sub validate_sql_query {
55	dpavlin	7	my $self = shift;
56	dpavlin	8	my $value = shift;
57
58			if ( $value =~ m/^\s+;\s$/s ) {
59			return $self->validation_error( sql_query => 'You need to type in SQL query' );
60			} else {
61			return $self->validation_ok('sql_query');
62			}
63	dpavlin	7	}
64
65	dpavlin	13	use SQL::ReservedWords;
66
67			sub canonicalize_sql_query {
68			my $self = shift;
69			my $sql = shift;
70
71			my @words = SQL::ReservedWords->words;
72
73			my $w = join('\|', @words);
74
75	dpavlin	35	$w .= '\|limit\|offset'; # fixup
76
77	dpavlin	28	warn "original SQL:\t$sql";
78	dpavlin	13
79	dpavlin	70	$sql =~ s/([\b^'])($w)\1/uc($2)/egis;
80	dpavlin	13
81	dpavlin	28	warn "canonicalize SQL:\t$sql";
82
83	dpavlin	13	return $sql;
84			}
85
86	dpavlin	5	=head2 take_action
87
88	dpavlin	7	Execute SQL query on database
89
90	dpavlin	5	=cut
91
92			sub take_action {
93			my $self = shift;
94
95			# Custom action code
96
97	dpavlin	29	my $database = $self->argument_value('database') \|\| $self->form_value('database');
98	dpavlin	7	warn "database: $database\n";
99	dpavlin	5
100	dpavlin	20	my $db = SQLSession::Model::Database->new;
101			$db->load_by_cols( id => $database ) \|\|
102			$self->result->error("Can't find database $database");
103	dpavlin	5
104	dpavlin	7	my $dbh = DBI->connect( $db->dsn, $db->login, $db->passwd ) \|\|
105	dpavlin	11	$self->result->error("Can't connect to " . $db->dsn . " as " . $db->login . "<br/>" . $DBI::errstr) && return 0;
106	dpavlin	7
107	dpavlin	30	$dbh->do("SET client_encoding = UTF8") if ($db->dsn =~ /Pg/);
108	dpavlin	24
109	dpavlin	7	my $sql = $self->argument_value('sql_query');
110
111			warn "SQL: $sql\n";
112
113	dpavlin	66	my $t = time();
114
115	dpavlin	7	my $sth = $dbh->prepare( $sql ) \|\|
116	dpavlin	11	$self->result->error( $dbh->errstr() ) && return 0;
117	dpavlin	7
118			$sth->execute() \|\|
119	dpavlin	11	$self->result->error( $sth->errstr() ) && return 0;
120	dpavlin	7
121	dpavlin	66	$self->result->message('Query produced ' . (
122	dpavlin	7	$sth->rows == 0 ? 'no results' :
123			$sth->rows == 1 ? 'single row' :
124	dpavlin	66	sprintf("%d rows in %.2fs", $sth->rows, time() - $t)
125	dpavlin	7	)) if ($sth->rows >= 0);
126
127	dpavlin	9	$self->result->content( sth => $sth );
128
129	dpavlin	7	return 1;
130	dpavlin	5	}
131
132			1;
133