文件操作 - prepare_memory_usage.pl
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文件: /usr/share/doc/perl-DBD-MySQL-4.023/eg/prepare_memory_usage.pl
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#!/usr/bin/perl -w use strict; use DBI; my $ssp = 1; my $count = 0; my $query = "SELECT 1 FROM DUAL"; my $dbh = DBI->connect ( "dbi:mysql:database=test:host=localhost;mysql_emulated_prepare=0", "root", "", { RaiseError => 1, PrintError => 0 }, ); my $s_q = $dbh->prepare($query); while (1) { $s_q->execute(); my @data = $s_q->fetchrow_array(); $s_q->finish; $count++; print "ran $count queries\r"; sleep(0.3); }
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