bk commit into 5.0 tree (hf:1.1947) BUG#8425

[holyfoot]

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ChangeSet
  1.1947 05/06/08 13:11:04 hf@deer.(none) +2 -0
  Fix for bug #8425 (Insufficient precision in the '/' operation)
    As the bug was already fixed, just testcase added here

  mysql-test/t/type_newdecimal.test
    1.16 05/06/08 13:11:00 hf@deer.(none) +12 -0
    test case added

  mysql-test/r/type_newdecimal.result
    1.16 05/06/08 13:11:00 hf@deer.(none) +13 -0
    test result fixed

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	hf
# Host:	deer.(none)
# Root:	/home/hf/work/mysql-5.0.9894

--- 1.15/mysql-test/r/type_newdecimal.result	Wed Jun  8 12:24:05 2005
+++ 1.16/mysql-test/r/type_newdecimal.result	Wed Jun  8 13:11:00 2005
@@ -896,3 +896,16 @@
 insert into t1 values(1,-1,-1);
 ERROR 22003: Out of range value adjusted for column 'd2' at row 1
 drop table t1;
+set @@div_precision_increment=15;
+create table t1 (col1 int, col2 decimal(30,25), col3 numeric(30,25));
+insert into t1 values (1,0.0123456789012345678912345,0.0123456789012345678912345);
+select col2/9999999999 from t1 where col1=1;
+col2/9999999999
+0.000000000001234567890246913578
+select 9999999999/col2 from t1 where col1=1;
[phone]/col2
+810000007209.000065537105051
+select 77777777/7777777;
[phone]/7777777
+10.000000900000090
+drop table t1;

--- 1.15/mysql-test/t/type_newdecimal.test	Wed Jun  8 12:24:05 2005
+++ 1.16/mysql-test/t/type_newdecimal.test	Wed Jun  8 13:11:00 2005
@@ -934,3 +934,15 @@
 --error 1264
 insert into t1 values(1,-1,-1);
 drop table t1;
+
+#
+# Bug #8425 (insufficient precision of the division)
+#
+set @@div_precision_increment=15;
+create table t1 (col1 int, col2 decimal(30,25), col3 numeric(30,25));
+insert into t1 values (1,0.0123456789012345678912345,0.0123456789012345678912345);
+select col2/9999999999 from t1 where col1=1;
+select 9999999999/col2 from t1 where col1=1;
+select 77777777/7777777;
+drop table t1;
+