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Remove unused $limit. Make $chunk_size_limit || 1 because it's the one used for #-of-rows check on slaves. Reverse the new test because we don't want to disable the #-of-rows check.

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This commit is contained in:
Daniel Nichter
2012-10-31 12:12:51 -06:00
parent ce3c80ea45
commit b5c48f07d1
2 changed files with 16 additions and 13 deletions
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14
bin/pt-table-checksum
View File

@@ -8876,10 +8876,12 @@ sub main {
# so no checksum is written for the empty table. To fix this and
# preserve the two purposes of this option, usages of the 2nd purpose
# do || 1 so the limit is never 0 and empty tables are single-chunked.
# See: https://bugs.launchpad.net/percona-toolkit/+bug/987393
# This is used for the 1st purpose of --chunk-size-limit:
my $limit = $o->get('chunk-size-limit') || 1;
my $chunk_size_limit = $o->get('chunk-size-limit');
# See:
# https://bugs.launchpad.net/percona-toolkit/+bug/987393
# https://bugs.launchpad.net/percona-toolkit/+bug/938660
# https://bugs.launchpad.net/percona-toolkit/+bug/987495
# This is used for the 2nd purpose:
my $chunk_size_limit = $o->get('chunk-size-limit') || 1;
# ########################################################################
# Callbacks for each table's nibble iterator. All checksum work is done
@@ -9486,9 +9488,7 @@ sub nibble_is_safe {
# shouldn't have changed. If chunking the table with a non-unique key,
# oversize chunks are possible.
if ( my $limit = $o->get('chunk-size-limit') ) {
my $oversize_chunk
= $limit ? ($expl->{rows} || 0) >= $tbl->{chunk_size} * $limit
: 0;
my $oversize_chunk = ($expl->{rows} || 0) >= $tbl->{chunk_size} * $limit;
if ( $oversize_chunk
&& $nibble_iter->identical_boundaries($boundary->{upper},
$boundary->{next_lower}) ) {

15
t/pt-table-checksum/basics.t
View File

@@ -332,21 +332,26 @@ is(
);
# #############################################################################
# pt-table-checksum chunk-size-limit of 0 does not disable chunk size limit checking
# pt-table-checksum chunk-size-limit of 0 does not disable chunk size limit
# checking
# https://bugs.launchpad.net/percona-toolkit/+bug/938660
# #############################################################################
# Decided _not_ to do this; we want to always check slave table size when
# single-chunking a table on the master.
$output = output(
sub {
$exit_status = pt_table_checksum::main(@args, qw(-d test --chunk-size 2 --chunk-size-limit 0))
$exit_status = pt_table_checksum::main(@args,
qw(-d test --chunk-size 2 --chunk-size-limit 0))
},
stderr => 1,
);
unlike(
like(
$output,
qr/Skipping table test.t1/,
"Doesn't warns about skipping a large slave table if --chunk-size-limit 0"
"--chunk-size-limit=0 does not disable #-of-rows checks on slaves"
);
# #############################################################################
@@ -496,6 +501,4 @@ is(
# #############################################################################
$sb->wipe_clean($master_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
done_testing;
exit;