diff options
Diffstat (limited to 'sql/sql_base.cc')
| -rw-r--r-- | sql/sql_base.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc index f95bd783d1e..a785197b282 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -7655,6 +7655,17 @@ bool setup_fields(THD *thd, Ref_ptr_array ref_pointer_array, thd->column_usage= column_usage; DBUG_PRINT("info", ("thd->column_usage: %d", thd->column_usage)); + /* + Followimg 2 condition always should be true (but they was added + due to an error present only in 10.3): + 1) nest_level shoud be 0 or positive; + 2) nest level of all SELECTs on the same level shoud be equal first + SELECT on this level (and each other). + */ + DBUG_ASSERT(thd->lex->current_select->nest_level >= 0); + DBUG_ASSERT(thd->lex->current_select->master_unit()->first_select() + ->nest_level == + thd->lex->current_select->nest_level); if (allow_sum_func) thd->lex->allow_sum_func.set_bit(thd->lex->current_select->nest_level); thd->where= THD::DEFAULT_WHERE; |