Profile of DBIx/Class/Componentised.pm

Filename	/usr/share/perl5/DBIx/Class/Componentised.pm
Statements	Executed 0 statements in 0s

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
4	1	1	3.16ms	3.79ms	DBIx::Class::Componentised::inject_base
1	1	1	18µs	30µs	DBIx::Class::Componentised::::BEGIN@4DBIx::Class::Componentised::BEGIN@4
1	1	1	16µs	208µs	DBIx::Class::Componentised::::BEGIN@11DBIx::Class::Componentised::BEGIN@11
1	1	1	11µs	2.97ms	DBIx::Class::Componentised::::BEGIN@7DBIx::Class::Componentised::BEGIN@7
1	1	1	10µs	15µs	DBIx::Class::Componentised::::BEGIN@8DBIx::Class::Componentised::BEGIN@8
1	1	1	9µs	19µs	DBIx::Class::Componentised::::BEGIN@5DBIx::Class::Componentised::BEGIN@5
1	1	1	9µs	14µs	DBIx::Class::Componentised::::BEGIN@30DBIx::Class::Componentised::BEGIN@30
1	1	1	8µs	50µs	DBIx::Class::Componentised::::BEGIN@10DBIx::Class::Componentised::BEGIN@10

Call graph for these subroutines as a Graphviz dot language file.

Line	Calls	Time in subs	Code
1			package # hide from PAUSE
2			DBIx::Class::Componentised;
3
4	2	41µs	# spent 30µs (18+11) within DBIx::Class::Componentised::BEGIN@4 which was called: # once (18µs+11µs) by base::import at line 4 use strict; # spent 30µs making 1 call to DBIx::Class::Componentised::BEGIN@4 # spent 11µs making 1 call to strict::import
5	2	28µs	# spent 19µs (9+10) within DBIx::Class::Componentised::BEGIN@5 which was called: # once (9µs+10µs) by base::import at line 5 use warnings; # spent 19µs making 1 call to DBIx::Class::Componentised::BEGIN@5 # spent 10µs making 1 call to warnings::import
6
7	2	2.97ms	# spent 2.97ms (11µs+2.96) within DBIx::Class::Componentised::BEGIN@7 which was called: # once (11µs+2.96ms) by base::import at line 7 use base 'Class::C3::Componentised'; # spent 2.97ms making 1 call to DBIx::Class::Componentised::BEGIN@7 # spent 2.96ms making 1 call to base::import, recursion: max depth 3, sum of overlapping time 2.96ms
8	2	20µs	# spent 15µs (10+5) within DBIx::Class::Componentised::BEGIN@8 which was called: # once (10µs+5µs) by base::import at line 8 use mro 'c3'; # spent 15µs making 1 call to DBIx::Class::Componentised::BEGIN@8 # spent 5µs making 1 call to mro::import
9
10	2	91µs	# spent 50µs (8+42) within DBIx::Class::Componentised::BEGIN@10 which was called: # once (8µs+42µs) by base::import at line 10 use DBIx::Class::Carp '^DBIx::Class\|^Class::C3::Componentised'; # spent 50µs making 1 call to DBIx::Class::Componentised::BEGIN@10 # spent 42µs making 1 call to DBIx::Class::Carp::import
11	2	401µs	# spent 208µs (16+193) within DBIx::Class::Componentised::BEGIN@11 which was called: # once (16µs+193µs) by base::import at line 11 use namespace::clean; # spent 208µs making 1 call to DBIx::Class::Componentised::BEGIN@11 # spent 193µs making 1 call to namespace::clean::import
12
13			# this warns of subtle bugs introduced by UTF8Columns hacky handling of store_column
14			# if and only if it is placed before something overriding store_column
15			# spent 3.79ms (3.16+629µs) within DBIx::Class::Componentised::inject_base which was called 4 times, avg 947µs/call: # 4 times (3.16ms+629µs) by Class::C3::Componentised::_load_components at line 95 of Class/C3/Componentised.pm, avg 947µs/call sub inject_base {
16			my $class = shift;
17			my ($target, @complist) = @_;
18
19			# we already did load the component
20	8	20µs	my $keep_checking = ! ( # spent 20µs making 8 calls to UNIVERSAL::isa, avg 2µs/call
21			$target->isa ('DBIx::Class::UTF8Columns')
22			\|\|
23			$target->isa ('DBIx::Class::ForceUTF8')
24			);
25
26			my @target_isa;
27
28			while ($keep_checking && @complist) {
29
30	2	20µs	# spent 14µs (9+6) within DBIx::Class::Componentised::BEGIN@30 which was called: # once (9µs+6µs) by base::import at line 30 @target_isa = do { no strict 'refs'; @{"$target\::ISA"} } # spent 14µs making 1 call to DBIx::Class::Componentised::BEGIN@30 # spent 6µs making 1 call to strict::unimport
31			unless @target_isa;
32
33			my $comp = pop @complist;
34
35			# warn here on use of either component, as we have no access to ForceUTF8,
36			# the author does not respond, and the Catalyst wiki used to recommend it
37			for (qw/DBIx::Class::UTF8Columns DBIx::Class::ForceUTF8/) {
38	32	52µs	if ($comp->isa ($_) ) { # spent 52µs making 32 calls to UNIVERSAL::isa, avg 2µs/call
39			$keep_checking = 0; # no use to check from this point on
40			carp_once "Use of $_ is strongly discouraged. See documentation of DBIx::Class::UTF8Columns for more info\n"
41			unless $ENV{DBIC_UTF8COLUMNS_OK};
42			last;
43			}
44			}
45
46			# something unset $keep_checking - we got a unicode mangler
47			if (! $keep_checking) {
48
49			my $base_store_column = do { require DBIx::Class::Row; DBIx::Class::Row->can ('store_column') };
50
51			my @broken;
52			for my $existing_comp (@target_isa) {
53			my $sc = $existing_comp->can ('store_column')
54			or next;
55
56			if ($sc ne $base_store_column) {
57			require B;
58			my $definer = B::svref_2object($sc)->STASH->NAME;
59			push @broken, ($definer eq $existing_comp)
60			? $existing_comp
61			: "$existing_comp (via $definer)"
62			;
63			}
64			}
65
66			carp "Incorrect loading order of $comp by $target will affect other components overriding 'store_column' ("
67			. join (', ', @broken)
68			.'). Refer to the documentation of DBIx::Class::UTF8Columns for more info'
69			if @broken;
70			}
71
72			unshift @target_isa, $comp;
73			}
74
75	4	67µs	$class->next::method(@_); # spent 67µs making 4 calls to next::method, avg 17µs/call
76			}
77
78	1	109µs	1; # spent 109µs making 1 call to B::Hooks::EndOfScope::XS::__ANON__