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| author | Alexander Barkov <bar@mariadb.com> | 2018-11-23 19:04:42 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mariadb.com> | 2018-11-26 08:10:47 +0400 |
| commit | 4447a02cf13a49876001a40ca7db8fdedb731fd5 (patch) | |
| tree | 1ccf39024e26a1efa68237e5d44a2296a990441d /sql/filesort.cc | |
| parent | 27f3329ff6cb755b600d536347669bef1a7d98b5 (diff) | |
| download | mariadb-git-4447a02cf13a49876001a40ca7db8fdedb731fd5.tar.gz | |
MDEV-16991 Rounding vs truncation for TIME, DATETIME, TIMESTAMPbb-10.4-mdev16991
Diffstat (limited to 'sql/filesort.cc')
| -rw-r--r-- | sql/filesort.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/filesort.cc b/sql/filesort.cc index cbe79967647..d0cb77ac63d 100644 --- a/sql/filesort.cc +++ b/sql/filesort.cc @@ -1051,7 +1051,10 @@ Type_handler_temporal_result::make_sort_key(uchar *to, Item *item, Sort_param *param) const { MYSQL_TIME buf; - if (item->get_date_result(current_thd, &buf, TIME_INVALID_DATES)) + // This is a temporal type. No nanoseconds. Rounding mode is not important. + DBUG_ASSERT(item->cmp_type() == TIME_RESULT); + static const Temporal::Options opt(TIME_INVALID_DATES, TIME_FRAC_NONE); + if (item->get_date_result(current_thd, &buf, opt)) { DBUG_ASSERT(item->maybe_null); DBUG_ASSERT(item->null_value); |