… | |
… | |
33 | This module implements asynchronous DBI access by forking or executing |
33 | This module implements asynchronous DBI access by forking or executing |
34 | separate "DBI-Server" processes and sending them requests. |
34 | separate "DBI-Server" processes and sending them requests. |
35 | |
35 | |
36 | It means that you can run DBI requests in parallel to other tasks. |
36 | It means that you can run DBI requests in parallel to other tasks. |
37 | |
37 | |
38 | The overhead for very simple statements ("select 0") is somewhere |
38 | With DBD::mysql, the overhead for very simple statements |
39 | around 100% to 120% (dual/single core CPU) compared to an explicit |
39 | ("select 0") is somewhere around 50% compared to an explicit |
40 | prepare_cached/execute/fetchrow_arrayref/finish combination. |
40 | prepare_cached/execute/fetchrow_arrayref/finish combination. With |
|
|
41 | DBD::SQlite3, it's more like a factor of 8 for this trivial statement. |
41 | |
42 | |
42 | =head2 ERROR HANDLING |
43 | =head2 ERROR HANDLING |
43 | |
44 | |
44 | This module defines a number of functions that accept a callback |
45 | This module defines a number of functions that accept a callback |
45 | argument. All callbacks used by this module get their AnyEvent::DBI handle |
46 | argument. All callbacks used by this module get their AnyEvent::DBI handle |
… | |
… | |
47 | |
48 | |
48 | If the request was successful, then there will be more arguments, |
49 | If the request was successful, then there will be more arguments, |
49 | otherwise there will only be the C<$dbh> argument and C<$@> contains an |
50 | otherwise there will only be the C<$dbh> argument and C<$@> contains an |
50 | error message. |
51 | error message. |
51 | |
52 | |
52 | A convinient way to check whether an error occured is to check C<$#_> - |
53 | A convenient way to check whether an error occurred is to check C<$#_> - |
53 | if that is true, then the function was successful, otherwise there was an |
54 | if that is true, then the function was successful, otherwise there was an |
54 | error. |
55 | error. |
55 | |
56 | |
56 | =cut |
57 | =cut |
57 | |
58 | |
58 | package AnyEvent::DBI; |
59 | package AnyEvent::DBI; |
59 | |
60 | |
60 | use common::sense; |
61 | use common::sense; |
61 | |
62 | |
62 | use Carp; |
63 | use Carp; |
63 | use Socket (); |
64 | use Convert::Scalar (); |
64 | use Scalar::Util (); |
65 | use AnyEvent::Fork (); |
65 | use Storable (); |
66 | use CBOR::XS (); |
66 | |
|
|
67 | use DBI (); # only needed in child actually - do it before fork & !exec? |
|
|
68 | |
67 | |
69 | use AnyEvent (); |
68 | use AnyEvent (); |
70 | use AnyEvent::Util (); |
69 | use AnyEvent::Util (); |
71 | |
70 | |
72 | use Errno (); |
71 | use Errno (); |
73 | use Fcntl (); |
|
|
74 | use POSIX (); |
|
|
75 | |
72 | |
76 | our $VERSION = '2.3'; |
73 | our $VERSION = '3.0'; |
77 | |
|
|
78 | our $FD_MAX = eval { POSIX::sysconf (&POSIX::_SC_OPEN_MAX) - 1 } || 1023; |
|
|
79 | |
|
|
80 | # this is the forked server code, could/should be bundled as it's own file |
|
|
81 | |
|
|
82 | our $DBH; |
|
|
83 | |
|
|
84 | sub req_open { |
|
|
85 | my (undef, $dbi, $user, $pass, %attr) = @{+shift}; |
|
|
86 | |
|
|
87 | $DBH = DBI->connect ($dbi, $user, $pass, \%attr) or die $DBI::errstr; |
|
|
88 | |
|
|
89 | [1, 1] |
|
|
90 | } |
|
|
91 | |
|
|
92 | sub req_exec { |
|
|
93 | my (undef, $st, @args) = @{+shift}; |
|
|
94 | my $sth = $DBH->prepare_cached ($st, undef, 1) |
|
|
95 | or die [$DBI::errstr]; |
|
|
96 | |
|
|
97 | my $rv = $sth->execute (@args) |
|
|
98 | or die [$sth->errstr]; |
|
|
99 | |
|
|
100 | [1, $sth->{NUM_OF_FIELDS} ? $sth->fetchall_arrayref : undef, $rv] |
|
|
101 | } |
|
|
102 | |
|
|
103 | sub req_attr { |
|
|
104 | my (undef, $attr_name, @attr_val) = @{+shift}; |
|
|
105 | |
|
|
106 | $DBH->{$attr_name} = $attr_val[0] |
|
|
107 | if @attr_val; |
|
|
108 | |
|
|
109 | [1, $DBH->{$attr_name}] |
|
|
110 | } |
|
|
111 | |
|
|
112 | sub req_begin_work { |
|
|
113 | [1, $DBH->begin_work || die [$DBI::errstr]] |
|
|
114 | } |
|
|
115 | |
|
|
116 | sub req_commit { |
|
|
117 | [1, $DBH->commit || die [$DBI::errstr]] |
|
|
118 | } |
|
|
119 | |
|
|
120 | sub req_rollback { |
|
|
121 | [1, $DBH->rollback || die [$DBI::errstr]] |
|
|
122 | } |
|
|
123 | |
|
|
124 | sub req_func { |
|
|
125 | my (undef, $arg_string, $function) = @{+shift}; |
|
|
126 | my @args = eval $arg_string; |
|
|
127 | |
|
|
128 | die "error evaling \$dbh->func() arg_string: $@" |
|
|
129 | if $@; |
|
|
130 | |
|
|
131 | my $rc = $DBH->func (@args, $function); |
|
|
132 | return [1, $rc, $DBI::err, $DBI::errstr]; |
|
|
133 | } |
|
|
134 | |
|
|
135 | sub serve_fh($$) { |
|
|
136 | my ($fh, $version) = @_; |
|
|
137 | |
|
|
138 | if ($VERSION != $version) { |
|
|
139 | syswrite $fh, |
|
|
140 | pack "L/a*", |
|
|
141 | Storable::freeze |
|
|
142 | [undef, "AnyEvent::DBI version mismatch ($VERSION vs. $version)"]; |
|
|
143 | return; |
|
|
144 | } |
|
|
145 | |
|
|
146 | eval { |
|
|
147 | my $rbuf; |
|
|
148 | |
|
|
149 | while () { |
|
|
150 | sysread $fh, $rbuf, 16384, length $rbuf |
|
|
151 | or last; |
|
|
152 | |
|
|
153 | while () { |
|
|
154 | my $len = unpack "L", $rbuf; |
|
|
155 | |
|
|
156 | # full request available? |
|
|
157 | last unless $len && $len + 4 <= length $rbuf; |
|
|
158 | |
|
|
159 | my $req = Storable::thaw substr $rbuf, 4; |
|
|
160 | substr $rbuf, 0, $len + 4, ""; # remove length + request |
|
|
161 | |
|
|
162 | my $wbuf = eval { pack "L/a*", Storable::freeze $req->[0]($req) }; |
|
|
163 | $wbuf = pack "L/a*", Storable::freeze [undef, ref $@ ? ("$@->[0]", $@->[1]) : ("$@", 1)] |
|
|
164 | if $@; |
|
|
165 | |
|
|
166 | for (my $ofs = 0; $ofs < length $wbuf; ) { |
|
|
167 | $ofs += (syswrite $fh, substr $wbuf, $ofs |
|
|
168 | or die "unable to write results"); |
|
|
169 | } |
|
|
170 | } |
|
|
171 | } |
|
|
172 | }; |
|
|
173 | } |
|
|
174 | |
|
|
175 | sub serve_fd($$) { |
|
|
176 | open my $fh, ">>&=$_[0]" |
|
|
177 | or die "Couldn't open server file descriptor: $!"; |
|
|
178 | |
|
|
179 | serve_fh $fh, $_[1]; |
|
|
180 | } |
|
|
181 | |
74 | |
182 | =head2 METHODS |
75 | =head2 METHODS |
183 | |
76 | |
184 | =over 4 |
77 | =over 4 |
185 | |
78 | |
… | |
… | |
229 | |
122 | |
230 | When on_connect is supplied, connect error are not fatal and AnyEvent::DBI |
123 | When on_connect is supplied, connect error are not fatal and AnyEvent::DBI |
231 | will not C<die>. You still cannot, however, use the $dbh object you |
124 | will not C<die>. You still cannot, however, use the $dbh object you |
232 | received from C<new> to make requests. |
125 | received from C<new> to make requests. |
233 | |
126 | |
234 | =item exec_server => 1 |
127 | =item fork_template => $AnyEvent::Fork-object |
235 | |
128 | |
236 | If you supply an C<exec_server> argument, then the DBI server process will |
129 | C<AnyEvent::DBI> uses C<< AnyEvent::Fork->new >> to create the database |
237 | fork and exec another perl interpreter (using C<$^X>) with just the |
130 | slave, which in turn either C<exec>'s a new process (similar to the old |
238 | AnyEvent::DBI proxy running. This will provide the cleanest possible proxy |
131 | C<exec_server> constructor argument) or uses a process forked early (see |
239 | for your database server. |
132 | L<AnyEvent::Fork::Early>). |
240 | |
133 | |
241 | If you do not supply the C<exec_server> argument (or supply it with a |
134 | With this argument you can provide your own fork template. This can be |
242 | false value) then the traditional method of starting the server by forking |
135 | useful if you create a lot of C<AnyEvent::DBI> handles and want to save |
243 | the current process is used. The forked interpreter will try to clean |
136 | memory (And speed up startup) by not having to load C<AnyEvent::DBI> again |
244 | itself up by calling POSIX::close on all file descriptors except STDIN, |
137 | and again into your child processes: |
245 | STDOUT, and STDERR (and the socket it uses to communicate with the cilent, |
138 | |
246 | of course). |
139 | my $template = AnyEvent::Fork |
|
|
140 | ->new # create new template |
|
|
141 | ->require ("AnyEvent::DBI::Slave"); # preload AnyEvent::DBI::Slave module |
|
|
142 | |
|
|
143 | for (...) { |
|
|
144 | $dbh = new AnyEvent::DBI ... |
|
|
145 | fork_template => $template; |
247 | |
146 | |
248 | =item timeout => seconds |
147 | =item timeout => seconds |
249 | |
148 | |
250 | If you supply a timeout parameter (fractional values are supported), then |
149 | If you supply a timeout parameter (fractional values are supported), then |
251 | a timer is started any time the DBI handle expects a response from the |
150 | a timer is started any time the DBI handle expects a response from the |
… | |
… | |
266 | |
165 | |
267 | =back |
166 | =back |
268 | |
167 | |
269 | Any additional key-value pairs will be rolled into a hash reference |
168 | Any additional key-value pairs will be rolled into a hash reference |
270 | and passed as the final argument to the C<< DBI->connect (...) >> |
169 | and passed as the final argument to the C<< DBI->connect (...) >> |
271 | call. For example, to supress errors on STDERR and send them instead to an |
170 | call. For example, to suppress errors on STDERR and send them instead to an |
272 | AnyEvent::Handle you could do: |
171 | AnyEvent::Handle you could do: |
273 | |
172 | |
274 | $dbh = new AnyEvent::DBI |
173 | $dbh = new AnyEvent::DBI |
275 | "DBI:mysql:test;mysql_read_default_file=/root/.my.cnf", "", "", |
174 | "DBI:mysql:test;mysql_read_default_file=/root/.my.cnf", "", "", |
276 | PrintError => 0, |
175 | PrintError => 0, |
… | |
… | |
278 | $log_handle->push_write ("DBI Error: $@ at $_[1]:$_[2]\n"); |
177 | $log_handle->push_write ("DBI Error: $@ at $_[1]:$_[2]\n"); |
279 | }; |
178 | }; |
280 | |
179 | |
281 | =cut |
180 | =cut |
282 | |
181 | |
283 | # stupid Storable autoloading, total loss-loss situation |
|
|
284 | Storable::thaw Storable::freeze []; |
|
|
285 | |
|
|
286 | sub new { |
182 | sub new { |
287 | my ($class, $dbi, $user, $pass, %arg) = @_; |
183 | my ($class, $dbi, $user, $pass, %arg) = @_; |
288 | |
184 | |
|
|
185 | # we use our own socketpair, so we always have a socket |
|
|
186 | # available, even before the forked process exsist. |
|
|
187 | # this is mostly done so this module is compatible |
|
|
188 | # to versions of itself older than 3.0. |
289 | my ($client, $server) = AnyEvent::Util::portable_socketpair |
189 | my ($client, $server) = AnyEvent::Util::portable_socketpair |
290 | or croak "unable to create AnyEvent::DBI communications pipe: $!"; |
190 | or croak "unable to create AnyEvent::DBI communications pipe: $!"; |
291 | |
191 | |
|
|
192 | my $fork = delete $arg{fork_template}; |
|
|
193 | |
292 | my %dbi_args = %arg; |
194 | my %dbi_args = %arg; |
293 | delete @dbi_args{qw(on_connect on_error timeout exec_server)}; |
195 | delete @dbi_args{qw(on_connect on_error timeout fork_template exec_server)}; |
294 | |
196 | |
295 | my $self = bless \%arg, $class; |
197 | my $self = bless \%arg, $class; |
|
|
198 | |
296 | $self->{fh} = $client; |
199 | $self->{fh} = $client; |
297 | |
|
|
298 | AnyEvent::Util::fh_nonblocking $client, 1; |
|
|
299 | |
200 | |
300 | my $rbuf; |
201 | my $rbuf; |
301 | my @caller = (caller)[1,2]; # the "default" caller |
202 | my @caller = (caller)[1,2]; # the "default" caller |
302 | |
203 | |
|
|
204 | $fork = $fork ? $fork->fork : AnyEvent::Fork->new |
|
|
205 | or croak "fork: $!"; |
|
|
206 | |
|
|
207 | $fork->require ("AnyEvent::DBI::Slave"); |
|
|
208 | $fork->send_arg ($VERSION); |
|
|
209 | $fork->send_fh ($server); |
|
|
210 | |
|
|
211 | # we don't rely on the callback, because we use our own |
|
|
212 | # socketpair, for better or worse. |
|
|
213 | $fork->run ("AnyEvent::DBI::Slave::serve", sub { }); |
|
|
214 | |
303 | { |
215 | { |
304 | Scalar::Util::weaken (my $self = $self); |
216 | Convert::Scalar::weaken (my $self = $self); |
|
|
217 | |
|
|
218 | my $cbor = new CBOR::XS; |
305 | |
219 | |
306 | $self->{rw} = AE::io $client, 0, sub { |
220 | $self->{rw} = AE::io $client, 0, sub { |
307 | return unless $self; |
221 | my $len = Convert::Scalar::extend_read $client, $rbuf, 65536; |
308 | |
|
|
309 | my $len = sysread $client, $rbuf, 65536, length $rbuf; |
|
|
310 | |
222 | |
311 | if ($len > 0) { |
223 | if ($len > 0) { |
312 | # we received data, so reset the timer |
224 | # we received data, so reset the timer |
313 | $self->{last_activity} = AE::now; |
225 | $self->{last_activity} = AE::now; |
314 | |
226 | |
315 | while () { |
227 | for my $res ($cbor->incr_parse_multiple ($rbuf)) { |
316 | my $len = unpack "L", $rbuf; |
|
|
317 | |
|
|
318 | # full response available? |
|
|
319 | last unless $len && $len + 4 <= length $rbuf; |
|
|
320 | |
|
|
321 | my $res = Storable::thaw substr $rbuf, 4; |
|
|
322 | substr $rbuf, 0, $len + 4, ""; # remove length + request |
|
|
323 | |
|
|
324 | last unless $self; |
228 | last unless $self; |
|
|
229 | |
325 | my $req = shift @{ $self->{queue} }; |
230 | my $req = shift @{ $self->{queue} }; |
326 | |
231 | |
327 | if (defined $res->[0]) { |
232 | if (defined $res->[0]) { |
328 | $res->[0] = $self; |
233 | $res->[0] = $self; |
329 | $req->[0](@$res); |
234 | $req->[0](@$res); |
… | |
… | |
370 | undef $self->{tw}; |
275 | undef $self->{tw}; |
371 | } |
276 | } |
372 | }; |
277 | }; |
373 | |
278 | |
374 | $self->{ww_cb} = sub { |
279 | $self->{ww_cb} = sub { |
375 | return unless $self; |
|
|
376 | |
|
|
377 | $self->{last_activity} = AE::now; |
280 | $self->{last_activity} = AE::now; |
378 | |
281 | |
379 | my $len = syswrite $client, $self->{wbuf} |
282 | my $len = syswrite $client, $self->{wbuf} |
380 | or return delete $self->{ww}; |
283 | or return delete $self->{ww}; |
381 | |
284 | |
382 | substr $self->{wbuf}, 0, $len, ""; |
285 | substr $self->{wbuf}, 0, $len, ""; |
383 | }; |
286 | }; |
384 | } |
287 | } |
385 | |
288 | |
386 | my $pid = fork; |
|
|
387 | |
|
|
388 | if ($pid) { |
|
|
389 | # parent |
|
|
390 | close $server; |
|
|
391 | } elsif (defined $pid) { |
|
|
392 | # child |
|
|
393 | my $serv_fno = fileno $server; |
|
|
394 | |
|
|
395 | if ($self->{exec_server}) { |
|
|
396 | fcntl $server, &Fcntl::F_SETFD, 0; # don't close the server side |
|
|
397 | exec {$^X} |
|
|
398 | "$0 dbi slave", |
|
|
399 | -e => "require shift; AnyEvent::DBI::serve_fd ($serv_fno, $VERSION)", |
|
|
400 | $INC{"AnyEvent/DBI.pm"}; |
|
|
401 | POSIX::_exit 124; |
|
|
402 | } else { |
|
|
403 | ($_ != $serv_fno) && POSIX::close $_ |
|
|
404 | for $^F+1..$FD_MAX; |
|
|
405 | serve_fh $server, $VERSION; |
|
|
406 | |
|
|
407 | # no other way on the broken windows platform, even this leaks |
|
|
408 | # memory and might fail. |
|
|
409 | kill 9, $$ |
|
|
410 | if AnyEvent::WIN32; |
|
|
411 | |
|
|
412 | # and this kills the parent process on windows |
|
|
413 | POSIX::_exit 0; |
|
|
414 | } |
|
|
415 | } else { |
|
|
416 | croak "fork: $!"; |
|
|
417 | } |
|
|
418 | |
|
|
419 | $self->{child_pid} = $pid; |
|
|
420 | |
|
|
421 | $self->_req ( |
289 | $self->_req ( |
|
|
290 | sub { |
|
|
291 | return unless $self; |
|
|
292 | $self->{child_pid} = $_[1]; |
|
|
293 | }, |
|
|
294 | (caller)[1,2], |
|
|
295 | "req_pid" |
|
|
296 | ); |
|
|
297 | |
|
|
298 | $self->_req ( |
|
|
299 | sub { |
|
|
300 | return unless $self; |
422 | ($self->{on_connect} ? $self->{on_connect} : sub { }), |
301 | &{ $self->{on_connect} } if $self->{on_connect}; |
|
|
302 | }, |
423 | (caller)[1,2], |
303 | (caller)[1,2], |
424 | req_open => $dbi, $user, $pass, %dbi_args |
304 | req_open => $dbi, $user, $pass, %dbi_args |
425 | ); |
305 | ); |
426 | |
306 | |
427 | $self |
307 | $self |
… | |
… | |
440 | undef $kid_watcher; |
320 | undef $kid_watcher; |
441 | }; |
321 | }; |
442 | kill TERM => $pid; |
322 | kill TERM => $pid; |
443 | } |
323 | } |
444 | |
324 | |
|
|
325 | delete $self->{rw}; |
|
|
326 | delete $self->{ww}; |
|
|
327 | delete $self->{tw}; |
445 | close delete $self->{fh}; |
328 | close delete $self->{fh}; |
446 | } |
329 | } |
447 | |
330 | |
448 | sub DESTROY { |
331 | sub DESTROY { |
449 | shift->kill_child; |
332 | shift->kill_child; |
… | |
… | |
517 | if ($self->{timeout} && !$self->{tw}) { |
400 | if ($self->{timeout} && !$self->{tw}) { |
518 | $self->{last_activity} = AE::now; |
401 | $self->{last_activity} = AE::now; |
519 | $self->{tw_cb}->(); |
402 | $self->{tw_cb}->(); |
520 | } |
403 | } |
521 | |
404 | |
522 | $self->{wbuf} .= pack "L/a*", Storable::freeze \@_; |
405 | $self->{wbuf} .= CBOR::XS::encode_cbor \@_; |
523 | |
406 | |
524 | unless ($self->{ww}) { |
407 | unless ($self->{ww}) { |
525 | my $len = syswrite $self->{fh}, $self->{wbuf}; |
408 | my $len = syswrite $self->{fh}, $self->{wbuf}; |
526 | substr $self->{wbuf}, 0, $len, ""; |
409 | substr $self->{wbuf}, 0, $len, ""; |
527 | |
410 | |
… | |
… | |
529 | $self->{ww} = AE::io $self->{fh}, 1, $self->{ww_cb} |
412 | $self->{ww} = AE::io $self->{fh}, 1, $self->{ww_cb} |
530 | if length $self->{wbuf}; |
413 | if length $self->{wbuf}; |
531 | } |
414 | } |
532 | } |
415 | } |
533 | |
416 | |
|
|
417 | =item $dbh->attr ($attr_name[, $attr_value], $cb->($dbh, $new_value)) |
|
|
418 | |
|
|
419 | An accessor for the database handle attributes, such as C<AutoCommit>, |
|
|
420 | C<RaiseError>, C<PrintError> and so on. If you provide an C<$attr_value> |
|
|
421 | (which might be C<undef>), then the given attribute will be set to that |
|
|
422 | value. |
|
|
423 | |
|
|
424 | The callback will be passed the database handle and the attribute's value |
|
|
425 | if successful. |
|
|
426 | |
|
|
427 | If an error occurs and the C<on_error> callback returns, then only C<$dbh> |
|
|
428 | will be passed and C<$@> contains the error message. |
|
|
429 | |
534 | =item $dbh->exec ("statement", @args, $cb->($dbh, \@rows, $rv)) |
430 | =item $dbh->exec ("statement", @args, $cb->($dbh, \@rows, $rv)) |
535 | |
431 | |
536 | Executes the given SQL statement with placeholders replaced by |
432 | Executes the given SQL statement with placeholders replaced by |
537 | C<@args>. The statement will be prepared and cached on the server side, so |
433 | C<@args>. The statement will be prepared and cached on the server side, so |
538 | using placeholders is extremely important. |
434 | using placeholders is extremely important. |
… | |
… | |
545 | call. |
441 | call. |
546 | |
442 | |
547 | If an error occurs and the C<on_error> callback returns, then only C<$dbh> |
443 | If an error occurs and the C<on_error> callback returns, then only C<$dbh> |
548 | will be passed and C<$@> contains the error message. |
444 | will be passed and C<$@> contains the error message. |
549 | |
445 | |
550 | =item $dbh->attr ($attr_name[, $attr_value], $cb->($dbh, $new_value)) |
446 | =item $dbh->stattr ($attr_name, $cb->($dbh, $value)) |
551 | |
447 | |
552 | An accessor for the handle attributes, such as C<AutoCommit>, |
448 | An accessor for the statement attributes of the most recently executed |
553 | C<RaiseError>, C<PrintError> and so on. If you provide an C<$attr_value> |
449 | statement, such as C<NAME> or C<TYPE>. |
554 | (which might be C<undef>), then the given attribute will be set to that |
|
|
555 | value. |
|
|
556 | |
450 | |
557 | The callback will be passed the database handle and the attribute's value |
451 | The callback will be passed the database handle and the attribute's value |
558 | if successful. |
452 | if successful. |
559 | |
453 | |
560 | If an error occurs and the C<on_error> callback returns, then only C<$dbh> |
454 | If an error occurs and the C<on_error> callback returns, then only C<$dbh> |
… | |
… | |
610 | |
504 | |
611 | # otherwise, we can ignore $rc and $errcode for this particular func |
505 | # otherwise, we can ignore $rc and $errcode for this particular func |
612 | |
506 | |
613 | =cut |
507 | =cut |
614 | |
508 | |
615 | for my $cmd_name (qw(exec attr begin_work commit rollback func)) { |
509 | for my $cmd_name (qw(attr exec stattr begin_work commit rollback func)) { |
616 | eval 'sub ' . $cmd_name . '{ |
510 | eval 'sub ' . $cmd_name . '{ |
617 | my $cb = pop; |
511 | my $cb = pop; |
618 | splice @_, 1, 0, $cb, (caller)[1,2], "req_' . $cmd_name . '"; |
512 | splice @_, 1, 0, $cb, (caller)[1,2], "req_' . $cmd_name . '"; |
619 | &_req |
513 | &_req |
620 | }'; |
514 | }'; |
… | |
… | |
624 | |
518 | |
625 | =head1 SEE ALSO |
519 | =head1 SEE ALSO |
626 | |
520 | |
627 | L<AnyEvent>, L<DBI>, L<Coro::Mysql>. |
521 | L<AnyEvent>, L<DBI>, L<Coro::Mysql>. |
628 | |
522 | |
629 | =head1 AUTHOR |
523 | =head1 AUTHOR AND CONTACT |
630 | |
524 | |
631 | Marc Lehmann <schmorp@schmorp.de> |
525 | Marc Lehmann <schmorp@schmorp.de> (current maintainer) |
632 | http://home.schmorp.de/ |
526 | http://home.schmorp.de/ |
633 | |
527 | |
634 | Adam Rosenstein <adam@redcondor.com> |
528 | Adam Rosenstein <adam@redcondor.com> |
635 | http://www.redcondor.com/ |
529 | http://www.redcondor.com/ |
636 | |
530 | |
637 | =cut |
531 | =cut |
638 | |
532 | |
639 | 1; |
533 | 1 |
640 | |
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