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Make explicit --chunk-size disable auto-sizing (set --chunk-time=0).

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This commit is contained in:
Daniel Nichter
2011-11-16 11:30:51 -07:00
parent ef61f734cf
commit 14dc2366f6
3 changed files with 23 additions and 11 deletions
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t/pt-table-checksum/chunk_size.t
+9 -9
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@@ -43,34 +43,34 @@ my $output;
# the first chunk should equal the chunk size, and the 2nd chunk should
# larger, unless it takes your machine > 0.5s to select 100 rows.
pt_table_checksum::main(@args, qw(--quiet --chunk-size 100 -t sakila.city));
pt_table_checksum::main(@args, qw(--quiet -t sakila.rental));
$row = $master_dbh->selectrow_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='city' and chunk=1");
$row = $master_dbh->selectrow_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='rental' and chunk=1");
is_deeply(
$row,
[1, 100], # 100 rows for --chunk-size=100
[1, 1001],
"First chunk is default size"
);
$row = $master_dbh->selectrow_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='city' and chunk=2");
$row = $master_dbh->selectrow_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='rental' and chunk=2");
is(
$row->[0],
101,
1002,
"2nd chunk lower boundary"
);
cmp_ok(
$row->[1] - $row->[0],
'>',
100,
1000,
"2nd chunk is larger"
);
# ############################################################################
# Test --chunk-time here because it's linked to --chunk-size.
# Explicit --chunk-size should override auto-sizing.
# ############################################################################
pt_table_checksum::main(@args, qw(--quiet --chunk-time 0 --chunk-size 100 -t sakila.city));
pt_table_checksum::main(@args, qw(--quiet --chunk-size 100 -t sakila.city));
# There's 600 rows in sakila.city so there should be 6 chunks.
$row = $master_dbh->selectall_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='city'");
@@ -86,7 +86,7 @@ is_deeply(
[undef, 1], # lower oob
[600, undef], # upper oob
],
"--chunk-time=0 disables auto-adjusting --chunk-size"
"Explicit --chunk-size disables auto chunk sizing"
);
# ############################################################################