diff options
Diffstat (limited to 'sql/item.cc')
| -rw-r--r-- | sql/item.cc | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sql/item.cc b/sql/item.cc index 5d413c38dd0..70f3e387b57 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -1,5 +1,5 @@ /* - Copyright (c) 2000, 2016, Oracle and/or its affiliates. + Copyright (c) 2000, 2018, Oracle and/or its affiliates. Copyright (c) 2010, 2018, MariaDB Corporation This program is free software; you can redistribute it and/or modify @@ -8529,10 +8529,10 @@ bool Item_insert_value::fix_fields(THD *thd, Item **items) } else { - Field *tmp_field= field_arg->field; - /* charset doesn't matter here, it's to avoid sigsegv only */ - tmp_field= new Field_null(0, 0, Field::NONE, field_arg->field->field_name, - &my_charset_bin); + static uchar null_bit=1; + /* charset doesn't matter here */ + Field *tmp_field= new Field_string(0, 0, &null_bit, 1, Field::NONE, + field_arg->field->field_name, &my_charset_bin); if (tmp_field) { tmp_field->init(field_arg->field->table); @@ -9649,6 +9649,7 @@ bool Item_type_holder::join_types(THD *thd, Item *item) if (Field::result_merge_type(fld_type) == DECIMAL_RESULT) { + collation.set_numeric(); decimals= MY_MIN(MY_MAX(decimals, item->decimals), DECIMAL_MAX_SCALE); int item_int_part= item->decimal_int_part(); int item_prec = MY_MAX(prev_decimal_int_part, item_int_part) + decimals; |