a fix (bug #7589: Decimal types are ignored when updating data from another column).

mysql-test/r/union.result:
  a fix (bug #7589: Decimal types are ignored when updating data from another column).
  removed wrong test result (see #13372)
mysql-test/t/union.test:
  a fix (bug #7589: Decimal types are ignored when updating data from another column).
  removed wrong test result (see #13372)
sql/field_conv.cc:
  a fix (bug #7589: Decimal types are ignored when updating data from another column).
  use memcpy() only for identical decimals.

1 files changed, 0 insertions, 8 deletions

diff --git a/mysql-test/t/union.test b/mysql-test/t/union.test
index 6acccaeafd5..6a54909536a 100644
--- a/mysql-test/t/union.test
+++ b/mysql-test/t/union.test
@@ -425,14 +425,6 @@ create table t1 SELECT b from t2 UNION select tx from t2;
 select * from t1;
 show create table t1;
 drop table t1,t2;
-create table t1 (d decimal(10,1));
-create table t2 (d decimal(10,9));
-insert into t1 values ("100000000.0");
-insert into t2 values ("1.23456780");
-create table t3 select * from t2 union select * from t1;
-select * from t3;
-show create table t3;
-drop table t1,t2,t3;
 create table t1 select 1 union select -1;
 select * from t1;
 show create table t1;