NAME
DBIx::Tracer - Easy tracer for DBI
SYNOPSIS
use DBIx::Tracer;
my $tracer = DBIx::Tracer->new(
sub {
my %args = @_;
say $args{dbh};
say $args{time};
say $args{sql};
say "Bind: $_" for @{$args{bind_params}};
}
);
DESCRIPTION
DBIx::Tracer is easy tracer for DBI. You can trace a SQL queries without
modifying configuration in your application.
You can insert snippets using DBIx::Tracer, and profile it.
GUARD OBJECT
DBIx::Tracer uses Scope::Guard-ish guard object strategy.
"DBIx::Tracer->new" installs method modifiers, and
"DBIx::Tracer->DESTROY" uninstall method modifiers.
You must keep the instance of DBIx::Trace in the context.
METHODS
DBIx::Tracer->new(CodeRef: $code)
my $tracer = DBIx::Tracer->new(
sub { ... }
);
Create instance of DBIx::Tracer. Constructor takes callback
function, will call on after each queries executed.
You must keep this instance you want to logging. Destructor
uninstall method modifiers.
CALLBACK OPTIONS
DBIx::Tracer passes following parameters to callback function.
dbh instance of $dbh.
sql SQL query in string.
bind_params : ArrayRef[Str]
binded parameters for the query in arrayref.
time
Elapsed times for query in floating seconds.
FAQ
Why don't you use Callbacks feature in DBI?
I don't want to modify DBI configuration in my application for
tracing.
AUTHOR
Tokuhiro Matsuno <tokuhirom AAJKLFJEF@ GMAIL COM>
THANKS TO
xaicron is author of DBIx::QueryLog. Most part of DBIx::Tracer was taken
from DBIx::QueryLog.
SEE ALSO
DBIx::QueryLog
LICENSE
Copyright (C) Tokuhiro Matsuno
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
