line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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package Pinwheel::Database::Base; |
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3
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10
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use strict; |
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70
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4
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use warnings; |
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30228
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use DBI; |
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146227
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2
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7536
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sub new |
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{ |
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0
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my $class = shift; |
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2
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20
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my $self = { |
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dbh => undef, |
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dbconfig => \@_, |
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connect_time => 0, |
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dbh_checked => 0, |
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dbhostname => undef, |
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prepared => {}, |
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orphans => [], |
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}; |
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2
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return bless($self, $class); |
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} |
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23
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24
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sub connect |
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{ |
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14
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0
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21
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my ($dbh_age, $reconnect); |
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14
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23
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my $self = shift; |
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29
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14
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100
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77
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$dbh_age = time() - ($self->{connect_time} || 0); |
30
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14
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100
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100
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116
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if (!$self->{dbh} || !$self->{dbh}->ping) { |
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100
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31
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8
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22
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$reconnect = 1; |
32
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} elsif ($dbh_age >= 300) { |
33
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1
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147
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finish_all(); |
34
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1
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49
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$self->{dbh}->disconnect; |
35
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1
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4
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$self->{dbhostname} = undef; |
36
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1
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2
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$reconnect = 1; |
37
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} else { |
38
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5
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274
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$reconnect = 0; |
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} |
40
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41
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14
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100
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38
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if ($reconnect) { |
42
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9
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25
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$self->{prepared} = {}; |
43
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9
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465
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$self->{orphans} = []; |
44
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9
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17
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$self->{dbh} = DBI->connect(@{$self->{dbconfig}}); |
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9
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67
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45
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9
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108284
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$self->{dbh}->{unicode} = 1; |
46
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9
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35
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$self->{connect_time} = time(); |
47
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9
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27
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$self->{ping_time} = time(); |
48
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} |
49
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50
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# We have now checked that we are connected |
51
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14
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50
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$self->{dbh_checked} = 1; |
52
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} |
53
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54
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sub disconnect |
55
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{ |
56
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3
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3
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0
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7
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my $self = shift; |
57
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3
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100
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13
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if ($self->{dbh}) { |
58
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2
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7
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$self->finish_all(); |
59
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2
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119
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$self->{dbh}->disconnect; |
60
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2
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6
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$self->{dbh} = undef; |
61
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2
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3
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$self->{dbh_checked} = 0; |
62
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2
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7
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$self->{dbhostname} = undef; |
63
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} |
64
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} |
65
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66
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sub do |
67
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{ |
68
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29
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29
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0
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82
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my $self = shift; |
69
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29
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100
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66
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270
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$self->connect() if (!$self->{dbh} || !$self->{dbh_checked}); |
70
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29
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691
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return $self->{dbh}->do(@_); |
71
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} |
72
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73
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sub describe |
74
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{ |
75
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0
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0
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0
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0
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warn "Database specific sub-classes should redefine this method"; |
76
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0
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0
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return undef; |
77
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} |
78
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79
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sub tables |
80
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{ |
81
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0
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0
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0
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0
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warn "Database specific sub-classes should redefine this method"; |
82
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0
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0
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return undef; |
83
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} |
84
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85
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sub without_foreign_keys |
86
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{ |
87
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## Database specific sub-classes should redefine this method if required |
88
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11
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11
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0
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30
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my ($self, $block) = @_; |
89
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11
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246
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&$block(); |
90
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} |
91
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92
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sub dbhostname |
93
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{ |
94
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2
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2
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0
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14
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return $_[0]->{dbhostname}; |
95
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} |
96
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97
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sub prepare |
98
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{ |
99
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196
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196
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0
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479
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my ($self, $query, $transient) = @_; |
100
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196
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423
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my $sth; |
101
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102
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196
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100
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66
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4010
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$self->connect() if (!$self->{dbh} || !$self->{dbh_checked}); |
103
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104
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196
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2249
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$sth = $self->{prepared}->{$query}; |
105
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196
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100
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733
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if ($sth) { |
106
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146
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100
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3425
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return $sth unless $sth->{Active}; |
107
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3
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9
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push(@{$self->{orphans}}, $sth); |
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3
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11
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108
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} |
109
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110
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53
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796
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$sth = $self->{dbh}->prepare($query); |
111
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53
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100
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12512
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$self->{prepared}->{$query} = $sth unless $transient; |
112
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53
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352
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return $sth; |
113
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} |
114
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115
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sub selectcol_array |
116
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{ |
117
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7
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7
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0
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21
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my ($self, $statement) = @_; |
118
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7
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29
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my $sth = $self->prepare($statement); |
119
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7
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2076
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$sth->execute(); |
120
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7
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22
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my @result = (); |
121
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7
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96
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while (my ($col) = $sth->fetchrow_array()) { |
122
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28
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248
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push(@result, $col); |
123
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} |
124
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7
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49
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return @result; |
125
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} |
126
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127
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sub finish_all |
128
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{ |
129
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6
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6
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0
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13
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my $self = shift; |
130
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6
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9
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foreach my $sth (values(%{$self->{prepared}})) { |
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6
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25
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131
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2
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100
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30
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$sth->finish() if ($sth->{Active}); |
132
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} |
133
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6
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13
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foreach my $sth (@{$self->{orphans}}) { |
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6
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17
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134
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3
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100
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39
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$sth->finish() if ($sth->{Active}); |
135
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} |
136
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6
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15
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$self->{orphans} = []; |
137
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6
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126
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$self->{dbh_checked} = 0; # The database connection needs re-checking |
138
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} |
139
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140
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sub fetchone_tables |
141
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{ |
142
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5
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5
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0
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12
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my ($self, $sth, $tables) = @_; |
143
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5
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10
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my ($slices, $row); |
144
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145
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5
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100
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100
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43
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if (!$tables || scalar(@$tables) == 0) { |
146
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2
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54
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$row = $sth->fetchrow_hashref(); |
147
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2
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100
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13
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return undef unless $row; |
148
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1
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7
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return { '' => $row }; |
149
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} |
150
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151
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3
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11
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$slices = _get_column_slices($sth); |
152
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3
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25
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$row = $sth->fetchrow_arrayref(); |
153
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3
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100
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22
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return undef unless $row; |
154
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2
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9
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return _extract_table_data($slices, $tables, $row); |
155
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} |
156
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157
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sub fetchall_tables |
158
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{ |
159
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4
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4
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0
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10
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my ($self, $sth, $tables) = @_; |
160
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161
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4
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100
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100
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69
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if (!$tables || scalar(@$tables) == 0) { |
162
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2
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4
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my @result = map { { '' => $_ } } @{$sth->fetchall_arrayref({})}; |
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3
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198
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2
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30
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163
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2
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74
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return \@result; |
164
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} |
165
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166
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2
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4
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my (@result, $slices, $row); |
167
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2
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7
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$slices = _get_column_slices($sth); |
168
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2
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40
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while ($row = $sth->fetchrow_arrayref()) { |
169
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5
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14
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push @result, _extract_table_data($slices, $tables, $row); |
170
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} |
171
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2
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13
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return \@result; |
172
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} |
173
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174
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sub _get_column_slices |
175
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{ |
176
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5
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5
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9
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my $sth = shift; |
177
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5
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8
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my ($columns, @slices, $i, $j); |
178
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179
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5
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87
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$columns = $sth->{NAME_lc}; |
180
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5
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28
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for ($i = 0, $j = 0; $j <= @$columns; $j++) { |
181
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29
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100
|
100
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171
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if ($j == @$columns || ($j > 0 && $columns->[$j] eq 'id')) { |
|
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66
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182
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9
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32
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my @slice = ($i .. $j - 1); |
183
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9
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42
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push @slices, [[@$columns[@slice]], \@slice]; |
184
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9
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29
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$i = $j; |
185
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} |
186
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} |
187
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188
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5
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14
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return \@slices; |
189
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} |
190
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191
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sub _extract_table_data |
192
|
|
|
|
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|
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{ |
193
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7
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|
|
7
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|
14
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my ($slices, $tables, $row) = @_; |
194
|
7
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|
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|
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8
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my (%result, $i, $name, $keys, $slice); |
195
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|
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196
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7
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|
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8
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$i = 0; |
197
|
7
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|
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|
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13
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$name = ''; |
198
|
7
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|
|
|
|
9
|
do { |
199
|
14
|
|
|
|
|
14
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my %data; |
200
|
14
|
|
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|
|
16
|
($keys, $slice) = @{$slices->[$i]}; |
|
14
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|
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|
29
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|
201
|
14
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|
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|
70
|
@data{@$keys} = @$row[@$slice]; |
202
|
14
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|
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|
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66
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$result{$name} = \%data; |
203
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|
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} while ($name = $tables->[$i++]); |
204
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|
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205
|
7
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|
|
|
|
88
|
return \%result; |
206
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|
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|
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} |
207
|
|
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208
|
|
|
|
|
|
|
1; |
209
|
|
|
|
|
|
|
|
210
|
|
|
|
|
|
|
__DATA__ |