bk commit into 5.1 tree (kaa:1.2343)

[Alexey Kopytov]

Below is the list of changes that have just been committed into a local
5.1 repository of kaa. When kaa does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet@stripped, 2006-09-22 19:42:27+04:00, kaa@stripped +2 -0
  Merge polly.local:/tmp/22129/bug22129/my50-bug22129
  into  polly.local:/tmp/22129/bug22129/my51-bug22129
  MERGE: 1.1810.2099.4

  mysql-test/r/type_float.result@stripped, 2006-09-22 19:42:13+04:00, kaa@stripped +0 -0
    Auto merged
    MERGE: 1.42.1.5

  mysql-test/t/type_float.test@stripped, 2006-09-22 19:42:14+04:00, kaa@stripped +0 -0
    Auto merged
    MERGE: 1.29.1.2

# 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:	kaa
# Host:	polly.local
# Root:	/tmp/22129/bug22129/my51-bug22129/RESYNC

--- 1.48/mysql-test/r/type_float.result	2006-09-22 19:42:35 +04:00
+++ 1.49/mysql-test/r/type_float.result	2006-09-22 19:42:35 +04:00
@@ -262,6 +262,13 @@ desc t3;
 Field	Type	Null	Key	Default	Extra
 a	decimal(21,2)	NO		0.00	
 drop table t1,t2,t3;
+select 1e-308, 1.00000001e-300, 100000000e-300;
+1e-308	1.00000001e-300	100000000e-300
+0	1.00000001e-300	1e-292
+select 10e307;
+10e307
+1e+308
+End of 4.1 tests
 create table t1 (s1 float(0,2));
 ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 's1').
 create table t1 (s1 float(1,2));

--- 1.31/mysql-test/t/type_float.test	2006-09-22 19:42:35 +04:00
+++ 1.32/mysql-test/t/type_float.test	2006-09-22 19:42:35 +04:00
@@ -178,7 +178,16 @@ show warnings;
 desc t3;
 drop table t1,t2,t3;
 
-# End of 4.1 tests
+#
+# Bug #22129: A small double precision number becomes zero
+#
+# check if underflows are detected correctly
+select 1e-308, 1.00000001e-300, 100000000e-300;
+
+# check if overflows are detected correctly
+select 10e307;
+
+--echo End of 4.1 tests
 
 #
 # bug #12694 (float(m,d) specifications)