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MDEV-8554: Server crashes in base_list_iterator::next_fast ...

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THD::>save_prep_leaf_list was set to true by multi-table update
statements with mergeable selects and never reset.

Make every statement reset it at start.
This commit is contained in:
Sergei Petrunia
2015-07-30 22:08:39 +03:00
parent 17a4a39c15
commit 877de3af28
3 changed files with 38 additions and 0 deletions
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2
sql/sql_parse.cc
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@@ -5653,6 +5653,8 @@ void THD::reset_for_next_command()
thd->reset_current_stmt_binlog_format_row();
thd->binlog_unsafe_warning_flags= 0;
thd->save_prep_leaf_list= false;
DBUG_PRINT("debug",
("is_current_stmt_binlog_format_row(): %d",
thd->is_current_stmt_binlog_format_row()));