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author | Igor Babaev <igor@askmonty.org> | 2017-02-15 22:41:45 -0800 |
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committer | Igor Babaev <igor@askmonty.org> | 2017-02-15 22:41:45 -0800 |
commit | 37925c6ccc61bd4d5af4956dbd877c69983c09f3 (patch) | |
tree | d565559a0e1b610bd0444c792a73971cd6b87ad5 /sql/sql_select.cc | |
parent | e688d8144411e38253b7ec4e13f67a989da8bb76 (diff) | |
download | mariadb-git-37925c6ccc61bd4d5af4956dbd877c69983c09f3.tar.gz |
Fixed bug mdev-9924.
Supported queries with window functions when GROUP BY could be
optimized away.
Diffstat (limited to 'sql/sql_select.cc')
-rw-r--r-- | sql/sql_select.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index ea0f4891de1..802e0d27e88 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -2226,6 +2226,9 @@ bool JOIN::make_aggr_tables_info() sort_and_group_aggr_tab= NULL; + if (group_optimized_away) + implicit_grouping= true; + bool implicit_grouping_with_window_funcs= implicit_grouping && select_lex->have_window_funcs(); @@ -2574,7 +2577,7 @@ bool JOIN::make_aggr_tables_info() tmp_table_param.copy_field= tmp_table_param.copy_field_end=0; first_record= sort_and_group=0; - if (!group_optimized_away) + if (!group_optimized_away || implicit_grouping_with_window_funcs) { group= false; } |