MDEV-10274 Bundling insert with create statement for table with unsigned...

MDEV-10274 Bundling insert with create statement for table with unsigned Decimal primary key issues warning 1194.

        Flags are important for key_length calculations, so them should
        be set before it, not after.

mysql-test/r/create.result

@@ -2498,4 +2498,11 @@ end|
 create table t1 as select f1();
 ERROR 42S02: Table 'test.t1' doesn't exist
 drop function f1;
+#
+# MDEV-10274 Bundling insert with create statement
+#  for table with unsigned Decimal primary key issues warning 1194
+#
+create table t1(ID decimal(2,1) unsigned NOT NULL, PRIMARY KEY (ID))engine=memory
+select  2.1 ID;
+drop table t1;
 End of 5.5 tests

mysql-test/t/create.test

@@ -2081,4 +2081,13 @@ DELIMITER ;|
 create table t1 as select f1();
 drop function f1;
 
+--echo #
+--echo # MDEV-10274 Bundling insert with create statement
+--echo #  for table with unsigned Decimal primary key issues warning 1194
+--echo #
+
+create table t1(ID decimal(2,1) unsigned NOT NULL, PRIMARY KEY (ID))engine=memory
+        select  2.1 ID;
+drop table t1;
+
 --echo End of 5.5 tests

sql/sql_table.cc

@@ -3167,7 +3167,6 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
           sql_field->pack_length=	dup_field->pack_length;
           sql_field->key_length=	dup_field->key_length;
 	  sql_field->decimals=		dup_field->decimals;
-	  sql_field->create_length_to_internal_length();
 	  sql_field->unireg_check=	dup_field->unireg_check;
           /* 
             We're making one field from two, the result field will have
@@ -3177,6 +3176,7 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
           if (!(sql_field->flags & NOT_NULL_FLAG))
             null_fields--;
 	  sql_field->flags=		dup_field->flags;
+	  sql_field->create_length_to_internal_length();
           sql_field->interval=          dup_field->interval;
           sql_field->vcol_info=         dup_field->vcol_info;
           sql_field->stored_in_db=      dup_field->stored_in_db;