diff options
Diffstat (limited to 'sql/sql_select.cc')
-rw-r--r-- | sql/sql_select.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 85908623324..3550155606e 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -2075,6 +2075,7 @@ JOIN::reinit() ULL(0)); first_record= 0; + cleaned= false; if (exec_tmp_table1) { @@ -10626,6 +10627,7 @@ void JOIN::cleanup(bool full) { tab->cleanup(); } + cleaned= true; } else { @@ -22418,6 +22420,17 @@ void st_select_lex::print(THD *thd, String *str, enum_query_type query_type) str->append(STRING_WITH_LEN("select ")); + if (join && join->cleaned) + { + /* + JOIN already cleaned up so it is dangerous to print items + because temporary tables they pointed on could be freed. + */ + str->append('#'); + str->append(select_number); + return; + } + /* First add options */ if (options & SELECT_STRAIGHT_JOIN) str->append(STRING_WITH_LEN("straight_join ")); |