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parallel: Fixed SQL racing error.

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If two workers both work on the last job, the master will drop the
table when the first returns. The second should ignore the dropped
table.
This commit is contained in:
Ole Tange 2016-07-10 23:01:53 +02:00
parent 29a7113d7f
commit 1117140adb
1 changed files with 2 additions and 1 deletions
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src/parallel
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@ -10194,7 +10194,8 @@ sub get {
my $self = shift; my $self = shift;
my $sth = $self->run(@_); my $sth = $self->run(@_);
my @retval; my @retval;
while(1) { # If $sth = 0 it means the table was dropped by another process
while($sth) {
my @row = $sth->fetchrow_array(); my @row = $sth->fetchrow_array();
@row or last; @row or last;
push @retval, \@row; push @retval, \@row;