1 package # hide from PAUSE
4 use DBIx::Class::StartupCheck; # load es early as we can, usually a noop
9 # For the love of everything that is crab-like: DO NOT reach into this
10 # The entire thing is really fragile and should not be screwed with
11 # unless absolutely and unavoidably necessary
12 our $__describe_class_query_cache;
15 package # hide from pause
28 BROKEN_FORK => (OS_NAME eq 'MSWin32') ? 1 : 0,
30 BROKEN_GOTO => ( PERL_VERSION < 5.008003 ) ? 1 : 0,
32 # perl -MScalar::Util=weaken -e 'weaken( $hash{key} = \"value" )'
33 BROKEN_WEAK_SCALARREF_VALUES => ( PERL_VERSION < 5.008003 ) ? 1 : 0,
35 HAS_ITHREADS => $Config{useithreads} ? 1 : 0,
37 UNSTABLE_DOLLARAT => ( PERL_VERSION < 5.013002 ) ? 1 : 0,
41 # the "DBIC_" prefix below is crucial - this is what makes CI pick up
42 # all envvars without further adjusting its scripts
43 # DO NOT CHANGE to the more logical { $_ => !!( $ENV{"DBIC_$_"} ) }
45 { substr($_, 5) => !!( $ENV{$_} ) }
47 DBIC_SHUFFLE_UNORDERED_RESULTSETS
48 DBIC_ASSERT_NO_INTERNAL_WANTARRAY
49 DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS
50 DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE
51 DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE
55 IV_SIZE => $Config{ivsize},
58 if ( PERL_VERSION < 5.009_005) {
60 constant->import( OLD_MRO => 1 );
63 # Yes, I know this is a rather PHP-ish name, but please first read
64 # https://metacpan.org/source/BOBTFISH/MRO-Compat-0.12/lib/MRO/Compat.pm#L363-368
66 # Even if we are using Class::C3::XS it still won't work, as doing
67 # defined( *{ "SubClass::"->{$_} }{CODE} )
68 # will set pkg_gen to the same value for SubClass and *ALL PARENTS*
70 *DBIx::Class::_Util::get_real_pkg_gen = sub ($) {
77 # the non-assign-unless-there-is-a-hash is deliberate
78 ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{gen} ||= (
79 Math::BigInt->new( '0x' . ( Digest::MD5::md5_hex( join "\0", map {
81 ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_}{methlist} ||= (
87 # RV to be hashed up and turned into a number
92 # stringification should be sufficient, ignore names/refaddr entirely
97 local $SIG{__DIE__} if $SIG{__DIE__};
98 # attributes::get may throw on blessed-false crefs :/
99 eval { @attrs = attributes::get( $_ ); 1 }
100 or warn "Unable to determine attributes of coderef $_ due to the following error: $@";
106 # skip dummy C::C3 helper crefs
107 ! ( ( $Class::C3::MRO{$cur_class} || {} )->{methods}{$_} )
110 ref(\ "${cur_class}::"->{$_} ) ne 'GLOB'
112 defined( *{ "${cur_class}::"->{$_} }{CODE} )
115 ? ( \&{"${cur_class}::$_"} )
118 keys %{ "${cur_class}::" }
124 ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{linear_isa}
126 mro::get_linear_isa($_[0])
130 ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{is_universal}
132 mro::is_universal($_[0])
134 ( $__describe_class_query_cache->{'!internal!'} || {} )->{UNIVERSAL}{linear_isa}
136 mro::get_linear_isa("UNIVERSAL")
145 constant->import( OLD_MRO => 0 );
146 *DBIx::Class::_Util::get_real_pkg_gen = \&mro::get_pkg_gen;
149 # Both of these are no longer used for anything. However bring
150 # them back after they were purged in 08a8d8f1, as there appear
151 # to be outfits with *COPY PASTED* pieces of lib/DBIx/Class/Storage/*
152 # in their production codebases. There is no point in breaking these
153 # if whatever they used actually continues to work
158 my $cluck = "The @{[ (caller(1))[3] ]} constant is no more - adjust your code" . Carp::longmess();
160 warn $cluck unless $warned->{$cluck}++;
164 sub DBICTEST () { &$sigh }
165 sub PEEPEENESS () { &$sigh }
168 use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( DBIx::Class::_ENV_::PERL_VERSION < 5.010 ? 1 : 0);
170 # FIXME - this is not supposed to be here
171 # Carp::Skip to the rescue soon
172 use DBIx::Class::Carp '^DBIx::Class|^DBICTest';
176 use Storable 'nfreeze';
177 use Scalar::Util qw(weaken blessed reftype refaddr);
178 use Sub::Quote qw(qsub);
182 # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone'
183 BEGIN { *deep_clone = \&Storable::dclone }
187 sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt
188 fail_on_internal_wantarray fail_on_internal_call
189 refdesc refcount hrefaddr set_subname describe_class_methods
190 scope_guard detected_reinvoked_destructor
192 is_exception dbic_internal_try visit_namespaces
193 quote_sub qsub perlstring serialize deep_clone dump_value uniq
195 UNRESOLVABLE_CONDITION
198 use constant UNRESOLVABLE_CONDITION => \ '1 = 0';
200 # Override forcing no_defer, and adding naming consistency checks
201 our %refs_closed_over_by_quote_sub_installed_crefs;
203 Carp::confess( "Anonymous quoting not supported by the DBIC quote_sub override - supply a sub name" ) if
211 Carp::confess( "The DBIC quote_sub override expects sub name '$_[0]' to be fully qualified" )
212 unless (my $stash) = $_[0] =~ /^(.+)::/;
215 "The DBIC sub_quote override does not support 'no_install'"
223 'The DBIC quote_sub override expects the namespace-part of sub name '
224 . "'$_[0]' to match the supplied package argument '$_[3]->{package}'"
228 defined $_[3]->{package}
230 $stash ne $_[3]->{package}
233 my @caller = caller(0);
235 package => $caller[0],
237 warning_bits => $caller[9],
238 hintshash => $caller[10],
241 # explicitly forced for everything
246 # just use a growing counter, no need to perform neither compaction
247 # nor any special ithread-level handling
248 $refs_closed_over_by_quote_sub_installed_crefs
249 { scalar keys %refs_closed_over_by_quote_sub_installed_crefs }
255 ! DBIx::Class::_ENV_::BROKEN_WEAK_SCALARREF_VALUES
259 } values %{ $_[2] || {} };
261 Sub::Quote::quote_sub( $_[0], $_[1], $_[2]||{}, $sq_opts );
264 sub sigwarn_silencer ($) {
267 croak "Expecting a regexp" if ref $pattern ne 'Regexp';
269 my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) };
271 return sub { &$orig_sig_warn unless $_[0] =~ $pattern };
274 sub perlstring ($) { q{"}. quotemeta( shift ). q{"} };
276 sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 }
279 croak "Expecting a reference" if ! length ref $_[0];
281 # be careful not to trigger stringification,
282 # reuse @_ as a scratch-pad
283 sprintf '%s%s(0x%x)',
284 ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ),
291 croak "Expecting a reference" if ! length ref $_[0];
293 # No tempvars - must operate on $_[0], otherwise the pad
294 # will count as an extra ref
295 B::svref_2object($_[0])->REFCNT;
298 sub visit_namespaces {
299 my $args = { (ref $_[0]) ? %{$_[0]} : @_ };
301 my $visited_count = 1;
303 # A package and a namespace are subtly different things
304 $args->{package} ||= 'main';
305 $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x;
306 $args->{package} =~ s/^:://;
308 if ( $args->{action}->($args->{package}) ) {
310 ( ($args->{package} eq 'main') ? '' : $args->{package} )
315 $visited_count += visit_namespaces( %$args, package => $_ ) for
317 # this happens sometimes on %:: traversal
320 { $_ =~ /^(.+?)::$/ ? "$ns$1" : () }
321 do { no strict 'refs'; keys %$ns }
328 # FIXME In another life switch this to a polyfill like the one in namespace::clean
329 sub set_subname ($$) {
332 splice @_, 0, 1, caller(0) . "::$_[0]"
339 local $Storable::canonical = 1;
344 my( %seen, $seen_undef, $numeric_preserving_copy );
347 ? $seen{ $numeric_preserving_copy = $_ }++
354 local $Data::Dumper::Indent = 1
355 unless defined $Data::Dumper::Indent;
361 require Data::Dumper;
362 my $d = Data::Dumper->new([])
375 $d->Sparseseen(1) if modver_gt_or_eq (
376 'Data::Dumper', '2.136'
381 )->Values([$_[0]])->Dump;
383 $dd_obj->Reset->Values([]);
389 ### This is *NOT* boolean.pm - deliberately not using a singleton
392 package # hide from pause
393 DBIx::Class::_Util::_Bool;
395 bool => sub { ${$_[0]} },
399 sub true () { my $x = 1; bless \$x, "DBIx::Class::_Util::_Bool" }
400 sub false () { my $x = 0; bless \$x, "DBIx::Class::_Util::_Bool" }
402 sub scope_guard (&) {
403 croak 'Calling scope_guard() in void context makes no sense'
404 if ! defined wantarray;
406 # no direct blessing of coderefs - DESTROY is buggy on those
407 bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard';
411 DBIx::Class::_Util::ScopeGuard;
414 &DBIx::Class::_Util::detected_reinvoked_destructor;
416 local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT;
424 "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@"
430 sub is_exception ($) {
434 # this is not strictly correct - an eval setting $@ to undef
435 # is *not* the same as an eval setting $@ to ''
436 # but for the sake of simplicity assume the following for
438 return 0 unless defined $e;
440 my ($not_blank, $suberror);
442 local $SIG{__DIE__} if $SIG{__DIE__};
445 # The ne() here is deliberate - a plain length($e), or worse "$e" ne
446 # will entirely obviate the need for the encolsing eval{}, as the
447 # condition we guard against is a missing fallback overload
448 $not_blank = ( $e ne '' );
453 if (defined $suberror) {
454 if (length (my $class = blessed($e) )) {
455 carp_unique( sprintf(
456 'External exception class %s implements partial (broken) overloading '
457 . 'preventing its instances from being used in simple ($x eq $y) '
458 . 'comparisons. Given Perl\'s "globally cooperative" exception '
459 . 'handling this type of brokenness is extremely dangerous on '
460 . 'exception objects, as it may (and often does) result in silent '
461 . '"exception substitution". DBIx::Class tries to work around this '
462 . 'as much as possible, but other parts of your software stack may '
463 . 'not be even aware of this. Please submit a bugreport against the '
464 . 'distribution containing %s and in the meantime apply a fix similar '
465 . 'to the one shown at %s, in order to ensure your exception handling '
466 . 'is saner application-wide. What follows is the actual error text '
467 . "as generated by Perl itself:\n\n%s\n ",
470 'http://v.gd/DBIC_overload_tempfix/',
474 # workaround, keeps spice flowing
475 $not_blank = !!( length $e );
478 # not blessed yet failed the 'ne'... this makes 0 sense...
484 # a ref evaluating to '' is definitively a "null object"
487 length( my $class = ref $e )
489 carp_unique( sprintf(
490 "Objects of external exception class '%s' stringify to '' (the "
491 . 'empty string), implementing the so called null-object-pattern. '
492 . 'Given Perl\'s "globally cooperative" exception handling using this '
493 . 'class of exceptions is extremely dangerous, as it may (and often '
494 . 'does) result in silent discarding of errors. DBIx::Class tries to '
495 . 'work around this as much as possible, but other parts of your '
496 . 'software stack may not be even aware of the problem. Please submit '
497 . 'a bugreport against the distribution containing %s',
511 # Recreate the logic of try(), while reusing the catch()/finally() as-is
513 # FIXME: We need to move away from Try::Tiny entirely (way too heavy and
514 # yes, shows up ON TOP of profiles) but this is a batle for another maint
515 sub dbic_internal_try (&;@) {
517 my $try_cref = shift;
518 my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311
522 if( ref($arg) eq 'Try::Tiny::Catch' ) {
524 croak 'dbic_internal_try() may not be followed by multiple catch() blocks'
529 elsif ( ref($arg) eq 'Try::Tiny::Finally' ) {
530 croak 'dbic_internal_try() does not support finally{}';
534 'dbic_internal_try() encountered an unexpected argument '
535 . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps "
536 . 'a missing semi-colon before or ' # trailing space important
541 my $wantarray = wantarray;
542 my $preexisting_exception = $@;
545 my $all_good = eval {
546 $@ = $preexisting_exception;
548 local $callstack_state->{in_internal_try} = 1
549 unless $callstack_state->{in_internal_try};
551 # always unset - someone may have snuck it in
552 local $SIG{__DIE__} if $SIG{__DIE__};
555 @ret = $try_cref->();
557 elsif( defined $wantarray ) {
558 $ret[0] = $try_cref->();
568 $@ = $preexisting_exception;
571 return $wantarray ? @ret : $ret[0]
573 elsif ( $catch_cref ) {
575 return $catch_cref->($exception);
582 sub in_internal_try { !! $callstack_state->{in_internal_try} }
586 my $destruction_registry = {};
588 sub DBIx::Class::__Util_iThreads_handler__::CLONE {
589 %$destruction_registry = map {
591 ? ( refaddr($_) => $_ )
593 } values %$destruction_registry;
595 weaken($_) for values %$destruction_registry;
597 # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage
598 # collected before leaving this scope. Depending on the code above, this
599 # may very well be just a preventive measure guarding future modifications
603 # This is almost invariably invoked from within DESTROY
604 # throwing exceptions won't work
605 sub detected_reinvoked_destructor {
607 # quick "garbage collection" pass - prevents the registry
608 # from slowly growing with a bunch of undef-valued keys
609 defined $destruction_registry->{$_} or delete $destruction_registry->{$_}
610 for keys %$destruction_registry;
612 if (! length ref $_[0]) {
613 printf STDERR '%s() expects a blessed reference %s',
617 return undef; # don't know wtf to do
619 elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) {
620 weaken( $destruction_registry->{$addr} = $_[0] );
624 carp_unique ( sprintf (
625 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY '
626 . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your '
627 . 'application, affecting *ALL* classes without active protection against '
628 . 'this. Diagnose and fix the root cause ASAP!!!%s',
630 ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } )
631 ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)"
641 my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x;
642 my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x;
644 sub modver_gt_or_eq ($$) {
645 my ($mod, $ver) = @_;
647 croak "Nonsensical module name supplied"
648 if ! defined $mod or $mod !~ $module_name_rx;
650 croak "Nonsensical minimum version supplied"
651 if ! defined $ver or $ver !~ $ver_rx;
654 my $ver_cache = ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= ( $mod->VERSION
656 : croak "$mod does not seem to provide a version (perhaps it never loaded)"
659 ! defined $ver_cache->{$ver}
661 $ver_cache->{$ver} = do {
663 local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ )
664 if SPURIOUS_VERSION_CHECK_WARNINGS;
666 local $SIG{__DIE__} if $SIG{__DIE__};
668 eval { $mod->VERSION($ver) } ? 1 : 0;
674 sub modver_gt_or_eq_and_lt ($$$) {
675 my ($mod, $v_ge, $v_lt) = @_;
677 croak "Nonsensical maximum version supplied"
678 if ! defined $v_lt or $v_lt !~ $ver_rx;
681 modver_gt_or_eq($mod, $v_ge)
683 ! modver_gt_or_eq($mod, $v_lt)
689 sub describe_class_methods {
691 ref $_[0] eq 'HASH' ? $_[0]
692 : ( @_ == 1 and ! length ref $_[0] ) ? { class => $_[0] }
696 my ($class, $requested_mro) = @{$args}{qw( class use_mro )};
698 croak "Expecting a class name either as the sole argument or a 'class' option"
699 if not defined $class or $class !~ $module_name_rx;
701 $requested_mro ||= mro::get_mro($class);
703 # mro::set_mro() does not bump pkg_gen - WHAT THE FUCK?!
704 my $query_cache_key = "$class|$requested_mro";
706 my $internal_cache_key =
707 ( mro::get_mro($class) eq $requested_mro )
712 # use a cache on old MRO, since while we are recursing in this function
713 # nothing can possibly change (the speedup is immense)
714 # (yes, people could be tie()ing the stash and adding methods on access
715 # but there is a limit to how much crazy can be supported here)
717 # we use the cache for linear_isa lookups on new MRO as well - it adds
718 # a *tiny* speedup, and simplifies the code a lot
720 local $__describe_class_query_cache->{'!internal!'} = {}
721 unless $__describe_class_query_cache->{'!internal!'};
725 $my_gen += get_real_pkg_gen($_) for ( my @full_ISA = (
728 $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa}
730 mro::get_linear_isa($class, $requested_mro)
734 $__describe_class_query_cache->{'!internal!'}{$class}{is_universal}
736 mro::is_universal($class)
738 $__describe_class_query_cache->{'!internal!'}{UNIVERSAL}{linear_isa}
740 mro::get_linear_isa("UNIVERSAL")
745 my $slot = $__describe_class_query_cache->{$query_cache_key} ||= {};
747 unless ( ($slot->{cumulative_gen}||0) == $my_gen ) {
752 isa => { map { $_ => 1 } @full_ISA },
754 @{ $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} }
755 [ 1 .. $#{$__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa}} ]
758 type => $requested_mro,
759 is_c3 => ( ($requested_mro eq 'c3') ? 1 : 0 ),
761 cumulative_gen => $my_gen,
764 # remove ourselves from ISA
767 # ensure the cache is populated for the parents, code below can then
768 # efficiently operate over the query_cache directly
769 describe_class_methods($_) for reverse @full_ISA;
773 # combine full ISA-order inherited and local method list into a
777 unshift @{ $slot->{methods}{$_->{name}} }, $_
782 $_->{via_class} ne $class
784 $slot->{methods_defined_in_class}{$_->{name}} = $_
789 @{ $slot->{methods}{$_->{name}} } > 1
793 $slot->{methods_with_supers}{$_->{name}} = $slot->{methods}{$_->{name}}
797 # what describe_class_methods for @full_ISA produced above
799 $__describe_class_query_cache->{$_}{methods_defined_in_class} || {}
800 } } map { "$_|" . mro::get_mro($_) } reverse @full_ISA ),
802 # our own non-cleaned subs + their attributes
805 # need to account for dummy helper crefs under OLD_MRO
807 ! DBIx::Class::_ENV_::OLD_MRO
809 ! ( ( $Class::C3::MRO{$class} || {} )->{methods}{$_} )
812 # these 2 OR-ed checks are sufficient for 5.10+
814 ref(\ "${class}::"->{$_} ) ne 'GLOB'
816 defined( *{ "${class}::"->{$_} }{CODE} )
821 attributes => { map { $_ => 1 } do {
824 local $SIG{__DIE__} if $SIG{__DIE__};
825 # attributes::get may throw on blessed-false crefs :/
826 eval { @attrs = attributes::get( \&{"${class}::${_}"} ); 1 }
827 or warn "Unable to determine attributes of the \\&${class}::$_ method due to following error: $@";
832 } keys %{"${class}::"} )
836 # recalculate the pkg_gen on newer perls under Taint mode,
837 # because of shit like:
838 # perl -T -Mmro -e 'package Foo; sub bar {}; defined( *{ "Foo::"->{bar}}{CODE} ) and warn mro::get_pkg_gen("Foo") for (1,2,3)'
841 ! DBIx::Class::_ENV_::OLD_MRO
846 $slot->{cumulative_gen} = 0;
847 $slot->{cumulative_gen} += get_real_pkg_gen($_)
848 for $class, @full_ISA;
859 # Why not just use some higher-level module or at least File::Spec here?
861 # 1) This is a *very* rarely used function, and the deptree is large
862 # enough already as it is
864 # 2) (more importantly) Our tooling is utter shit in this area. There
865 # is no comprehensive support for UNC paths in PathTools and there
866 # are also various small bugs in representation across different
867 # path-manipulation CPAN offerings.
869 # Since this routine is strictly used for logical path processing (it
870 # *must* be able to work with not-yet-existing paths), use this seemingly
871 # simple but I *think* complete implementation to feed to other consumers
873 # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST*
874 # the impulse to bring in an external dependency. During runtime there
875 # is exactly one spot that could potentially maybe once in a blue moon
876 # use this function. Keep it lean.
879 ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x )
883 ( ( length($1) and ! length($2) ) ? '/' : '' )
890 File::Spec->catpath (
891 ( File::Spec->splitpath( "$_[0]" ) )[0,1],
900 # do not ask for a recent version, use 1.x API calls
901 File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects
906 my $list_ctx_ok_stack_marker;
908 sub fail_on_internal_wantarray () {
909 return if $list_ctx_ok_stack_marker;
911 if (! defined wantarray) {
912 croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard');
916 while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?:
918 # these are public API parts that alter behavior on wantarray
919 search | search_related | slice | search_literal
923 # these are explicitly prefixed, since we only recognize them as valid
924 # escapes when they come from the guts of CDBICompat
925 CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all )
931 my ($fr, $want, $argdesc);
934 $fr = [ CORE::caller($cf) ];
935 $want = ( CORE::caller($cf-1) )[5];
936 $argdesc = ref $DB::args[0]
937 ? DBIx::Class::_Util::refdesc($DB::args[0])
943 $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/
945 DBIx::Class::Exception->throw( sprintf (
946 "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts",
947 $argdesc, @{$fr}[1,2]
948 ), 'with_stacktrace');
951 weaken( $list_ctx_ok_stack_marker = my $mark = [] );
957 sub fail_on_internal_call {
961 $fr = [ CORE::caller(1) ];
962 $argdesc = ref $DB::args[0]
963 ? DBIx::Class::_Util::refdesc($DB::args[0])
964 : ( $DB::args[0] . '' )
969 # need to make allowance for a proxy-yet-direct call
971 $fr->[0] eq 'DBIx::Class::ResultSourceProxy'
973 @fr2 = (CORE::caller(2))
976 ( $fr->[3] =~ /([^:])+$/ )[0]
978 ( $fr2[3] =~ /([^:])+$/ )[0]
988 $check_fr->[0] =~ /^(?:DBIx::Class|DBICx::)/
990 $check_fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there
992 DBIx::Class::Exception->throw( sprintf (
993 "Illegal internal call of indirect proxy-method %s() with argument '%s': examine the last lines of the proxy method deparse below to determine what to call directly instead at %s on line %d\n\n%s\n\n Stacktrace starts",
994 $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do {
997 B::Deparse->new->coderef2text(\&{$fr->[3]})
999 ), 'with_stacktrace');