percona/percona-toolkit
1
0
Fork 0
mirror of https://github.com/percona/percona-toolkit.git synced 2025-09-10 13:11:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

PT-1114 pt-table-checksum fails when table is empty

Browse Source
This commit is contained in:
Carlos Salguero
2018-12-10 16:25:22 -03:00
parent cf5c661d46
commit 89f8d03d74
4 changed files with 157 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/IndexLength.pm
View File

@@ -75,6 +75,14 @@ sub index_length {
n_index_cols => $n_index_cols,
);
if (!$vals) {
# Maybe the table is empty ...
my @row = $cxn->dbh()->selectrow_array('SELECT COUNT(*) FROM '.$args{tbl}->{name});
if ($row[0] == 0) {
PTDEBUG && _d('Table '.$args{tbl}->{name}.' is empty');
return undef, undef;
}
}
# Make an EXPLAIN query to scan the range and execute it.
my $sql = $self->_make_range_query(
%args,