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| author | Igor Babaev <igor@askmonty.org> | 2011-12-11 19:41:53 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2011-12-11 19:41:53 -0800 |
| commit | 63d32c115dd962b53cf7bcaa340472ee2f44f9e2 (patch) | |
| tree | 0ab189512324810847cfb828ef3212206b1385a1 /sql/opt_subselect.cc | |
| parent | 9b4cd1b0aeb869a6adfe7ad7a530cde27e37bc9e (diff) | |
| download | mariadb-git-63d32c115dd962b53cf7bcaa340472ee2f44f9e2.tar.gz | |
Fixed LP bug #901709.
The cause of the reported assertion failure was a division of a double value by 0.
Diffstat (limited to 'sql/opt_subselect.cc')
| -rw-r--r-- | sql/opt_subselect.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/opt_subselect.cc b/sql/opt_subselect.cc index 217966eb296..ff0b80acb0e 100644 --- a/sql/opt_subselect.cc +++ b/sql/opt_subselect.cc @@ -2629,7 +2629,8 @@ bool Firstmatch_picker::check_qep(JOIN *join, - read_time is the same (i.e. FirstMatch doesn't add any cost - remove fanout added by the last table */ - *record_count /= join->positions[idx].records_read; + if (*record_count) + *record_count /= join->positions[idx].records_read; } else { |