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dce8db5be1
This was caused by a regex backtracking itself to a halt. The solution was to add a positive lookahead that searches for the floating but mandatory substrings that the regex needs; if those exist, then eventually it will match, but if they don't, it'll fail quickly.
70 lines
1.7 KiB
Perl
70 lines
1.7 KiB
Perl
#!/usr/bin/env perl
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BEGIN {
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die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
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unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
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unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
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};
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use strict;
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use warnings FATAL => 'all';
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use English qw(-no_match_vars);
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use Test::More;
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use File::Spec;
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use PerconaTest;
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shift @INC; # These two shifts are required for tools that use base and
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shift @INC; # derived classes. See mk-query-digest/t/101_slowlog_analyses.t
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require "$trunk/bin/pt-query-advisor";
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my $output;
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my @args = ();
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my $sample = "$trunk/t/lib/samples/";
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$output = output(
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sub { pt_query_advisor::main(@args, "$sample/slowlogs/slow018.txt") },
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);
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like(
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$output,
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qr/COL.002/,
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"Parse slowlog"
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);
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$output = output(
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sub { pt_query_advisor::main(@args, qw(--type genlog),
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"$sample/genlogs/genlog001.txt") },
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);
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like(
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$output,
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qr/CLA.005/,
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"Parse genlog"
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);
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# #############################################################################
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# pt-query-advisor hangs on big queries
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# https://bugs.launchpad.net/percona-toolkit/+bug/823431
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# #############################################################################
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my $exit_status;
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$output = output(
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sub { $exit_status = pt_query_advisor::main(@args,
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File::Spec->catfile($sample, "bug_823431.log"))
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});
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ok(
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!$exit_status,
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"Bug 823431: pqa doesn't hang on a big query"
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);
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like(
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$output,
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qr/COL.002/,
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"Bug 823431: pqa doesn't hang on a big query and finds the correct rule"
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);
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# #############################################################################
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# Done.
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# #############################################################################
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done_testing;
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