[PATCH 01/11] t/thread-index-gap.t: avoid unnecessary map

[Eric Wong]

We only care abount the number of results.
---
 t/thread-index-gap.t | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/t/thread-index-gap.t b/t/thread-index-gap.t
index 83c3707d..125c5cbd 100644
--- a/t/thread-index-gap.t
+++ b/t/thread-index-gap.t
@@ -47,14 +47,12 @@ for my $msgs (['orig', reverse @msgs], ['shuffle', 
shuffle(@msgs)]) {
        my $over = $ibx->over;
        my $dbh = $over->dbh;
        my $tid = $dbh->selectall_arrayref('SELECT DISTINCT(tid) FROM over');
-       my @tid = map { $_->[0] } @$tid;
-       is(scalar(@tid), 1, "only one thread initially ($desc)");
+       is(scalar(@$tid), 1, "only one thread initially ($desc)");
        $over->dbh_close;
-       run_script([qw(-index --reindex --rethread), $ibx->{inboxdir}]) or
-               BAIL_OUT 'rethread';
+       run_script([qw(-index --no-fsync --reindex --rethread),
+                       $ibx->{inboxdir}]) or BAIL_OUT 'rethread';
        $tid = $dbh->selectall_arrayref('SELECT DISTINCT(tid) FROM over');
-       @tid = map { $_->[0] } @$tid;
-       is(scalar(@tid), 1, "only one thread after rethread ($desc)");
+       is(scalar(@$tid), 1, "only one thread after rethread ($desc)");
 }
 
 done_testing;
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