diff options
Diffstat (limited to 'sql/sql_base.cc')
| -rw-r--r-- | sql/sql_base.cc | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc index c2bf37a1064..2a9b409dff5 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -7435,6 +7435,7 @@ store_natural_using_join_columns(THD *thd, TABLE_LIST *natural_using_join, Query_arena *arena, backup; bool result= TRUE; List<Natural_join_column> *non_join_columns; + List<Natural_join_column> *join_columns; DBUG_ENTER("store_natural_using_join_columns"); DBUG_ASSERT(!natural_using_join->join_columns); @@ -7442,7 +7443,7 @@ store_natural_using_join_columns(THD *thd, TABLE_LIST *natural_using_join, arena= thd->activate_stmt_arena_if_needed(&backup); if (!(non_join_columns= new List<Natural_join_column>) || - !(natural_using_join->join_columns= new List<Natural_join_column>)) + !(join_columns= new List<Natural_join_column>)) goto err; /* Append the columns of the first join operand. */ @@ -7451,7 +7452,7 @@ store_natural_using_join_columns(THD *thd, TABLE_LIST *natural_using_join, nj_col_1= it_1.get_natural_column_ref(); if (nj_col_1->is_common) { - natural_using_join->join_columns->push_back(nj_col_1, thd->mem_root); + join_columns->push_back(nj_col_1, thd->mem_root); /* Reset the common columns for the next call to mark_common_columns. */ nj_col_1->is_common= FALSE; } @@ -7472,7 +7473,7 @@ store_natural_using_join_columns(THD *thd, TABLE_LIST *natural_using_join, { const char *using_field_name_ptr= using_field_name->c_ptr(); List_iterator_fast<Natural_join_column> - it(*(natural_using_join->join_columns)); + it(*join_columns); Natural_join_column *common_field; for (;;) @@ -7505,7 +7506,8 @@ store_natural_using_join_columns(THD *thd, TABLE_LIST *natural_using_join, } if (non_join_columns->elements > 0) - natural_using_join->join_columns->append(non_join_columns); + join_columns->append(non_join_columns); + natural_using_join->join_columns= join_columns; natural_using_join->is_join_columns_complete= TRUE; result= FALSE; @@ -7737,7 +7739,6 @@ static bool setup_natural_join_row_types(THD *thd, DBUG_PRINT("info", ("using cached setup_natural_join_row_types")); DBUG_RETURN(false); } - context->select_lex->first_natural_join_processing= false; List_iterator_fast<TABLE_LIST> table_ref_it(*from_clause); TABLE_LIST *table_ref; /* Current table reference. */ @@ -7782,6 +7783,7 @@ static bool setup_natural_join_row_types(THD *thd, change on re-execution */ context->natural_join_first_table= context->first_name_resolution_table; + context->select_lex->first_natural_join_processing= false; DBUG_RETURN (false); } |