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Pass EXPLAIN sths to callbacks.

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This commit is contained in:
Daniel Nichter
2011-09-11 11:10:11 -06:00
parent f19472b471
commit 985ee65928
2 changed files with 104 additions and 25 deletions
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59
t/lib/NibbleIterator.t
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@@ -39,7 +39,7 @@ if ( !$dbh ) {
plan skip_all => 'Cannot connect to sandbox master';
}
else {
plan tests => 17;
plan tests => 18;
}
my $q = new Quoter();
@@ -276,13 +276,11 @@ done
"callbacks"
);
# TODO: test exec_nibble callback
# ############################################################################
# Nibble a larger table by numeric pk id
# ############################################################################
SKIP: {
skip "Sakila database is not loaded", 6
skip "Sakila database is not loaded", 7
unless @{ $dbh->selectall_arrayref('show databases like "sakila"') };
$ni = make_nibble_iter(
@@ -350,6 +348,59 @@ SKIP: {
[9, 'beb4a180'],
"SELECT chunk checksum 5 FROM sakila.country"
) or print STDERR Dumper($row);
# #########################################################################
# exec_nibble callback and explain_sth
# #########################################################################
my @expl;
$ni = make_nibble_iter(
db => 'sakila',
tbl => 'country',
argv => [qw(--databases sakila --tables country --chunk-size 60)],
select => $chunk_checksum,
callbacks => {
exec_nibble => sub {
my (%args) = @_;
my ($expl_sth, $lb, $ub) = @args{qw(explain_sth lb ub)};
$expl_sth->execute(@$lb, @$ub);
push @expl, $expl_sth->fetchrow_hashref();
return 0;
},
}
);
$ni->next();
$ni->next();
is_deeply(
\@expl,
[
{
id => '1',
key => 'PRIMARY',
key_len => '2',
possible_keys => 'PRIMARY',
ref => undef,
rows => '54',
select_type => 'SIMPLE',
table => 'country',
type => 'range',
extra => 'Using where',
},
{
id => '1',
key => 'PRIMARY',
key_len => '2',
possible_keys => 'PRIMARY',
ref => undef,
rows => '49',
select_type => 'SIMPLE',
table => 'country',
type => 'range',
extra => 'Using where',
},
],
'exec_nibble callbackup and explain_sth'
);
}
# #############################################################################