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Update fnv_64.t.

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This commit is contained in:
Daniel Nichter
2011-10-21 09:41:45 -06:00
parent 5c80f55874
commit 39a071ebe7
2 changed files with 81 additions and 17 deletions
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82
t/pt-table-checksum/fnv_64.t
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@@ -23,14 +23,15 @@ if ( !$master_dbh ) {
plan skip_all => 'Cannot connect to sandbox master';
}
# TODO Need to update this test file. I don't have MySQL dev on my box
# to compile the udf.
# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
# so we need to specify --lock-wait-timeout=3 else the tool will die.
# And --max-load "" prevents waiting for status variables.
my $master_dsn = 'h=127.1,P=12345,u=msandbox,p=msandbox';
my @args = ($master_dsn, qw(--lock-wait-timeout 3), '--max-load', '');
my $sample = "t/pt-table-checksum/samples/";
my $row;
my $output;
my $cnf='/tmp/12345/my.sandbox.cnf';
my $cmd = "$trunk/bin/pt-table-checksum -F $cnf -d test -t checksum_test 127.0.0.1";
$sb->create_dbs($master_dbh, [qw(test)]);
eval { $master_dbh->do('DROP FUNCTION test.fnv_64'); };
eval { $master_dbh->do("CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'fnv_udf.so';"); };
@@ -39,23 +40,70 @@ if ( $EVAL_ERROR ) {
plan skip_all => "No FNV_64 UDF lib"
}
else {
plan tests => 5;
plan tests => 6;
}
$output = `/tmp/12345/use -N -e 'select fnv_64(1)' 2>&1`;
is($output + 0, -6320923009900088257, 'FNV_64(1)');
$sb->create_dbs($master_dbh, [qw(test)]);
$output = `/tmp/12345/use -N -e 'select fnv_64("hello, world")' 2>&1`;
is($output + 0, 6062351191941526764, 'FNV_64(hello, world)');
# ############################################################################
# First test the the FNV function works in MySQL and gives the correct results.
# ############################################################################
$output = `$cmd --function FNV_64 --checksum --algorithm ACCUM 2>&1`;
like($output, qr/DD2CD41DB91F2EAE/, 'FNV_64 ACCUM' );
($row) = $master_dbh->selectrow_array("select fnv_64(1)");
is(
$row,
"-6320923009900088257",
"FNV_64(1)"
);
$output = `$cmd --function CRC32 --checksum --algorithm BIT_XOR 2>&1`;
like($output, qr/83dcefb7/, 'CRC32 BIT_XOR' );
($row) = $master_dbh->selectrow_array("select fnv_64('hello, world')");
is(
$row,
"6062351191941526764",
"FNV_64('hello, world')"
);
$output = `$cmd --function FNV_64 --checksum --algorithm BIT_XOR 2>&1`;
like($output, qr/a84792031e4ff43f/, 'FNV_64 BIT_XOR' );
# ############################################################################
# Check that FNV_64() is actually used in the checksum queries.
# ############################################################################
ok(
no_diff(
sub { pt_table_checksum::main(@args, qw(--function FNV_64),
qw(--explain --chunk-size 100 --chunk-time 0),
'-d', 'sakila', '-t', 'city,film_actor') },
"$sample/fnv64-sakila-city.txt",
),
"--function FNV_64"
);
# ############################################################################
# Check that actually using FNV_64() doesn't cause problems.
# ############################################################################
$output = output(
sub { pt_table_checksum::main(@args, qw(--function FNV_64),
qw(--chunk-size 100 --chunk-time 0),
'-d', 'sakila', '-t', 'city,film_actor') },
);
is(
PerconaTest::count_checksum_results($output, 'errors'),
0,
"No errors"
);
is(
PerconaTest::count_checksum_results($output, 'errors'),
0,
"No diffs"
);
is(
PerconaTest::count_checksum_results($output, 'errors'),
0,
"No skipped"
);
# #############################################################################
# Done.

16
t/pt-table-checksum/samples/fnv64-sakila-city.txt Normal file
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@@ -0,0 +1,16 @@
--
-- sakila.city
--
REPLACE INTO `percona`.`checksums` (db, tbl, chunk, chunk_index, lower_boundary, upper_boundary, this_cnt, this_crc) SELECT ?, ?, ?, ?, ?, ?, COUNT(*) AS cnt, COALESCE(LOWER(CONV(BIT_XOR(CAST(FNV_64(`city_id`, `city`, `country_id`, `last_update` + 0) AS UNSIGNED)), 10, 16)), 0) AS crc FROM `sakila`.`city` FORCE INDEX(`PRIMARY`) WHERE ((`city_id` >= ?)) AND ((`city_id` <= ?)) ORDER BY `city_id` /*checksum chunk*/
SELECT /*!40001 SQL_NO_CACHE */ `city_id` FROM `sakila`.`city` FORCE INDEX(`PRIMARY`) WHERE ((`city_id` >= ?)) ORDER BY `city_id` LIMIT ?, 2 /*next chunk boundary*/
--
-- sakila.film_actor
--
REPLACE INTO `percona`.`checksums` (db, tbl, chunk, chunk_index, lower_boundary, upper_boundary, this_cnt, this_crc) SELECT ?, ?, ?, ?, ?, ?, COUNT(*) AS cnt, COALESCE(LOWER(CONV(BIT_XOR(CAST(FNV_64(`actor_id`, `film_id`, `last_update` + 0) AS UNSIGNED)), 10, 16)), 0) AS crc FROM `sakila`.`film_actor` FORCE INDEX(`PRIMARY`) WHERE ((`actor_id` > ?) OR (`actor_id` = ? AND `film_id` >= ?)) AND ((`actor_id` < ?) OR (`actor_id` = ? AND `film_id` <= ?)) ORDER BY `actor_id`, `film_id` /*checksum chunk*/
SELECT /*!40001 SQL_NO_CACHE */ `actor_id`, `actor_id`, `film_id` FROM `sakila`.`film_actor` FORCE INDEX(`PRIMARY`) WHERE ((`actor_id` > ?) OR (`actor_id` = ? AND `film_id` >= ?)) ORDER BY `actor_id`, `film_id` LIMIT ?, 2 /*next chunk boundary*/