A test case for Bug#7670 "Loss of precision for some integer

values stored into DOUBLE column" (Can't repeat)

mysql-test/r/type_decimal.result

@@ -772,3 +772,16 @@ productid	zlevelprice
 003trans	39.98
 004trans	31.18
 drop table t1, t2;
+create table t1 (a double(53,0));
+insert into t1 values (9988317491112007680) ,(99883133042600208184115200);
+select a from t1;
+a
+9988317491112007680
+99883133042600208184115200
+truncate t1;
+insert into t1 values (9988317491112007680.0) ,(99883133042600208184115200.0);
+select a from t1;
+a
+9988317491112007680
+99883133042600208184115200
+drop table t1;

mysql-test/t/type_decimal.test

@@ -376,3 +376,16 @@ insert INTO t2 SELECT * FROM t1;
 
 select * from t2; 
 drop table t1, t2;
+
+# 
+# A test case for Bug#7670 "Loss of precision for some integer values stored
+# into DOUBLE column": check that there is no truncation
+# when inserting big integers into double columns.
+#
+create table t1 (a double(53,0));
+insert into t1 values (9988317491112007680) ,(99883133042600208184115200);
+select a from t1;
+truncate t1;
+insert into t1 values (9988317491112007680.0) ,(99883133042600208184115200.0);
+select a from t1;
+drop table t1;