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package Exception::Class::DBI; |
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395255
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use 5.00500; |
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use strict; |
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12306
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use Exception::Class; |
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234064
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use vars qw($VERSION); |
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1241
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$VERSION = '1.01'; |
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use Exception::Class ( |
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'Exception::Class::DBI' => { |
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description => 'DBI exception', |
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fields => [qw(err errstr state retval handle)] |
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}, |
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'Exception::Class::DBI::Unknown' => { |
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isa => 'Exception::Class::DBI', |
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description => 'DBI unknown exception' |
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}, |
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'Exception::Class::DBI::H' => { |
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isa => 'Exception::Class::DBI', |
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description => 'DBI handle exception', |
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}, |
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'Exception::Class::DBI::DRH' => { |
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isa => 'Exception::Class::DBI::H', |
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description => 'DBI driver handle exception', |
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}, |
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'Exception::Class::DBI::DBH' => { |
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isa => 'Exception::Class::DBI::H', |
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description => 'DBI database handle exception', |
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}, |
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'Exception::Class::DBI::STH' => { |
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isa => 'Exception::Class::DBI::H', |
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description => 'DBI statment handle exception', |
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} |
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); |
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my %handlers; |
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sub handler { |
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my $pkg = shift; |
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return $handlers{$pkg} if $handlers{$pkg}; |
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# Support subclasses. |
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my %class_for = map { |
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$_ => do { |
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my $class = "$pkg\::$_"; |
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my $base = __PACKAGE__ . "::$_"; |
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39067
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no strict 'refs'; |
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33045
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# Try to load the subclass and check its inheritance. |
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eval "require $class" unless @{"$class\::ISA"}; |
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my $isa = \@{"$class\::ISA"}; |
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die "$class is not a subclass of $base" |
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if $isa && !$class->isa($base); |
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# If subclass exists and inherits, use it. Otherwise use default. |
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$isa ? $class : $base; |
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} |
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} qw(H DRH DBH STH Unknown); |
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return $handlers{$pkg} = sub { |
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50835
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my ($err, $dbh, $retval) = @_; |
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# No handle, no choice. |
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$pkg->throw( |
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error => $err, |
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retval => $retval |
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) unless ref($dbh ||= $DBI::lasth); |
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# Assemble arguments for a handle exception. |
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my @params = ( |
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error => $err, |
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errstr => $dbh->errstr, |
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err => $dbh->err, |
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state => $dbh->state, |
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retval => $retval, |
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handle => $dbh, |
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); |
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# Throw the proper exception. |
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$class_for{STH}->throw(@params) if eval { $dbh->isa('DBI::st') }; |
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$class_for{DBH}->throw(@params) if eval { $dbh->isa('DBI::db') }; |
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$class_for{DRH}->throw(@params) if eval { $dbh->isa('DBI::dr') }; |
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# Unknown exception. This shouldn't happen. |
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0
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0
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$class_for{Unknown}->throw(@params); |
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168
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}; |
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} |
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package Exception::Class::DBI::H; |
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50871
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sub warn { shift->handle->{Warn} } |
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3
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13201
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sub active { shift->handle->{Active} } |
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8178
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sub kids { shift->handle->{Kids} } |
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sub active_kids { shift->handle->{ActiveKids} } |
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sub compat_mode { shift->handle->{CompatMode} } |
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sub inactive_destroy { shift->handle->{InactiveDestroy} } |
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sub trace_level { shift->handle->{TraceLevel} } |
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sub fetch_hash_key_name { shift->handle->{FetchHashKeyName} } |
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4049
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sub chop_blanks { shift->handle->{ChopBlanks} } |
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7954
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sub long_read_len { shift->handle->{LongReadLen} } |
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5936
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sub long_trunc_ok { shift->handle->{LongTruncOk} } |
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sub taint { shift->handle->{Taint} } |
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package Exception::Class::DBI::DBH; |
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sub auto_commit { shift->handle->{AutoCommit} } |
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sub db_name { shift->handle->{Name} } |
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sub statement { shift->handle->{Statement} } |
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534
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sub row_cache_size { shift->handle->{RowCacheSize} } |
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package Exception::Class::DBI::STH; |
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490
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sub num_of_fields { shift->handle->{NUM_OF_FIELDS} } |
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598
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sub num_of_params { shift->handle->{NUM_OF_PARAMS} } |
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596
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sub field_names { shift->handle->{NAME} } |
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sub type { shift->handle->{TYPE} } |
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sub precision { shift->handle->{PRECISION} } |
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445
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sub scale { shift->handle->{SCALE} } |
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503
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sub nullable { shift->handle->{NULLABLE} } |
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612
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sub cursor_name { shift->handle->{CursorName} } |
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516
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sub param_values { shift->handle->{ParamValues} } |
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393
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sub statement { shift->handle->{Statement} } |
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1
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457
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sub rows_in_cache { shift->handle->{RowsInCache} } |
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1; |
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__END__ |