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# Package meta, adds meta database commands to dbish |
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# |
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package DBI::Shell::Timing; |
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our $VERSION = '11.97'; # VERSION |
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use strict; |
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use vars qw(@ISA); |
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use Benchmark qw(timeit timestr); |
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sub init { |
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my ($self, $sh, @arg) = @_; |
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$sh->install_options( |
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[ |
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[ 'timing_style' => qq{auto} ], |
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[ 'timing_timing' => 1 ], # Set the default to on |
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[ 'timing_format' => '5.2f' ], |
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[ 'timing_prefix' => 'Elapsed: ' ], |
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]); |
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my $com_ref = $sh->{commands}; |
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$com_ref->{timing} = { |
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hint => |
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"timing: on/off (1/0) display execute time upon completion of command", |
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}; |
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return $self; |
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} |
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sub do_timing { |
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0
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my $self = shift; |
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100
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if (@_) { |
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my $t = shift; |
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# $self->log( qq{timing called with $t} ); |
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$t = 0 if ($t =~ m/off|stop|end/i); |
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$t = 1 if ($t =~ m/on|start|begin/i); |
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$self->{timing_timing} = ($t?1:0); |
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} |
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100
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$self->print_buffer(qq{timing: } . ($self->{timing_timing}? 'on': 'off')); |
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return $self->{timing_timing}; |
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} |
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# |
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# Subclass the do_go command to include the timing options. I'm not |
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# sure which is better, to subclass this command or completely |
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# override it. |
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# |
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sub do_go { |
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0
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my $self = shift; |
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my $rv = timeit( 1, sub { $self->DBI::Shell::Base::do_go( @_ ) } ); |
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610182
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100
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4084
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if ($self->{timing_timing}) { |
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my $str = $self->{timing_prefix} . |
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timestr( $rv, $self->{timing_style}, $self->{timing_format} ); |
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3373
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$self->log( $str ); |
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} |
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return; |
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} |
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62
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my $_unimp = qq{timing: not implemented yet}; |
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1; |