diff options
Diffstat (limited to 'sql/table.cc')
| -rw-r--r-- | sql/table.cc | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/sql/table.cc b/sql/table.cc index 0bd2148bdd5..a25f279db08 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -3371,7 +3371,6 @@ int TABLE_SHARE::init_from_sql_statement_string(THD *thd, bool write, char *sql_copy; handler *file; LEX *old_lex; - Query_arena *arena, backup; LEX tmp_lex; KEY *unused1; uint unused2; @@ -3398,12 +3397,6 @@ int TABLE_SHARE::init_from_sql_statement_string(THD *thd, bool write, old_lex= thd->lex; thd->lex= &tmp_lex; - arena= thd->stmt_arena; - if (arena->is_conventional()) - arena= 0; - else - thd->set_n_backup_active_arena(arena, &backup); - thd->reset_db(&db); lex_start(thd); @@ -3438,8 +3431,6 @@ ret: lex_end(thd->lex); thd->reset_db(&db_backup); thd->lex= old_lex; - if (arena) - thd->restore_active_arena(arena, &backup); reenable_binlog(thd); thd->variables.character_set_client= old_cs; if (unlikely(thd->is_error() || error)) @@ -9386,8 +9377,13 @@ void TABLE_LIST::wrap_into_nested_join(List<TABLE_LIST> &join_list) static inline bool derived_table_optimization_done(TABLE_LIST *table) { - return table->derived && - (table->derived->is_excluded() || + SELECT_LEX_UNIT *derived= (table->derived ? + table->derived : + (table->view ? + &table->view->unit: + NULL)); + return derived && + (derived->is_excluded() || table->is_materialized_derived()); } @@ -9449,8 +9445,7 @@ bool TABLE_LIST::init_derived(THD *thd, bool init_view) set_derived(); } - if (is_view() || - !derived_table_optimization_done(this)) + if (!derived_table_optimization_done(this)) { /* A subquery might be forced to be materialized due to a side-effect. */ if (!is_materialized_derived() && unit->can_be_merged() && |