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68 lines
1.5 KiB
Perl
Executable File
68 lines
1.5 KiB
Perl
Executable File
#!/usr/bin/perl -w
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use strict;
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# make sure we are in a sane environment.
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use DBI();
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use DBD::Pg();
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use Time::HiRes qw( usleep ualarm gettimeofday tv_interval );
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use Getopt::Std;
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my %opt;
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getopts('d:b:gv', \%opt);
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if ( !( scalar %opt ) ) {
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print <<EOT;
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Usage:
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$0 -d DATABASE -b N [-v] [-g]
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-d DATABASE - DATABASE name
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-b N -number of cycles
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-v - print sql
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-g -use GiST index( default built-in R-tree )
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EOT
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exit;
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}
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$opt{d} ||= 'TEST';
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my $dbi=DBI->connect('DBI:Pg:dbname='.$opt{d}) || die "Couldn't connect DB: $opt{d} !\n";
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my $sql;
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my $notice;
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my $sss = '(3000,3000,2990,2990)';
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if ( $opt{g} ) {
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$notice = "Testing GiST implementation of R-Tree";
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$sql = "select count(*) from boxtmp where b && '$sss'::box;";
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} else {
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$notice = "Testing built-in implementation of R-Tree";
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$sql = "select count(*) from boxtmp2 where b && '$sss'::box;";
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}
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my $t0 = [gettimeofday];
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my $count=0;
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my $b=$opt{b};
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$b ||=1;
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foreach ( 1..$b ) {
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my @a=exec_sql($dbi,$sql);
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$count=$#a;
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}
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my $elapsed = tv_interval ( $t0, [gettimeofday]);
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print "$notice:\n";
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print "$sql\n" if ( $opt{v} );
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print "Done\n";
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print sprintf("total: %.02f sec; number: %d; for one: %.03f sec; found %d docs\n", $elapsed, $b, $elapsed/$b, $count+1 );
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$dbi -> disconnect;
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sub exec_sql {
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my ($dbi, $sql, @keys) = @_;
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my $sth=$dbi->prepare($sql) || die;
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$sth->execute( @keys ) || die;
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my $r;
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my @row;
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while ( defined ( $r=$sth->fetchrow_hashref ) ) {
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push @row, $r;
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}
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$sth->finish;
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return @row;
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}
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