diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result index 7b3b051fffb..de20f102b07 100644 --- a/mysql-test/r/ps.result +++ b/mysql-test/r/ps.result @@ -179,3 +179,16 @@ id select_type table type possible_keys key key_len ref rows Extra 2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found deallocate prepare stmt1; drop tables t1,t2; +set @arg00=1; +prepare stmt1 from ' create table t1 (m int) as select 1 as m ' ; +execute stmt1 ; +select m from t1; +m +1 +drop table t1; +prepare stmt1 from ' create table t1 (m int) as select ? as m ' ; +execute stmt1 using @arg00; +select m from t1; +m +1 +drop table t1; diff --git a/mysql-test/t/ps.test b/mysql-test/t/ps.test index 3dc6e10f55d..5af65242e7b 100644 --- a/mysql-test/t/ps.test +++ b/mysql-test/t/ps.test @@ -166,3 +166,16 @@ execute stmt1 ; explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25; deallocate prepare stmt1; drop tables t1,t2; + +# +# parameters from variables (for field creation) +# +set @arg00=1; +prepare stmt1 from ' create table t1 (m int) as select 1 as m ' ; +execute stmt1 ; +select m from t1; +drop table t1; +prepare stmt1 from ' create table t1 (m int) as select ? as m ' ; +execute stmt1 using @arg00; +select m from t1; +drop table t1; diff --git a/sql/item.cc b/sql/item.cc index 0e9a73aacb2..658f5c42a43 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -759,9 +759,13 @@ bool Item_param::set_from_user_var(THD *thd, const user_var_entry *entry) switch (entry->type) { case REAL_RESULT: set_double(*(double*)entry->value); + item_type= Item::REAL_ITEM; + item_result_type= REAL_RESULT; break; case INT_RESULT: set_int(*(longlong*)entry->value, 21); + item_type= Item::INT_ITEM; + item_result_type= INT_RESULT; break; case STRING_RESULT: { diff --git a/sql/item.h b/sql/item.h index fe8c2cb0df1..235b15c56fc 100644 --- a/sql/item.h +++ b/sql/item.h @@ -422,7 +422,7 @@ public: class Item_param :public Item { -public: +public: enum enum_item_param_state { NO_VALUE, NULL_VALUE, INT_VALUE, REAL_VALUE, @@ -442,8 +442,8 @@ public: String str_value_ptr; union { - longlong integer; - double real; + longlong integer; + double real; /* Character sets conversion info for string values. Character sets of client and connection defined at bind time are used @@ -456,7 +456,7 @@ public: /* This points at character set of connection if conversion to it is required (i. e. if placeholder typecode is not BLOB). - Otherwise it's equal to character_set_client (to simplify + Otherwise it's equal to character_set_client (to simplify check in convert_str_value()). */ CHARSET_INFO *final_character_set_of_str_value; @@ -477,10 +477,10 @@ public: supply for this placeholder in mysql_stmt_execute. */ enum enum_field_types param_type; - /* + /* Offset of placeholder inside statement text. Used to create no-placeholders version of this statement for the binary log. - */ + */ uint pos_in_query; Item_param(uint pos_in_query_arg); @@ -515,11 +515,11 @@ public: const String *query_val_str(String *str) const; bool convert_str_value(THD *thd); - + Item *new_item() { return new Item_param(pos_in_query); } - /* - If value for parameter was not set we treat it as non-const - so noone will use parameters value in fix_fields still + /* + If value for parameter was not set we treat it as non-const + so noone will use parameters value in fix_fields still parameter is constant during execution. */ virtual table_map used_tables() const