bk commit into 5.1 tree (holyfoot:1.2513) BUG#28005

[holyfoot]

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ChangeSet@stripped, 2007-05-06 23:40:16+05:00, holyfoot@stripped +3 -0
  Bug #28005 Partitions: can't use -9223372036854775808
  the Item_neg changes INT_RESULT with DECIMAL_RESULT when
  it gets this border value, what is not necessary.

  mysql-test/r/partition.result@stripped, 2007-05-06 23:40:13+05:00, holyfoot@stripped +2 -0
    result added

  mysql-test/t/partition.test@stripped, 2007-05-06 23:40:13+05:00, holyfoot@stripped +6 -0
    testcase

  sql/item_func.cc@stripped, 2007-05-06 23:40:14+05:00, holyfoot@stripped +1 -1
    we can handle '==' case in ordinary way - no need to use DECIMAL_RESULT

# 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:	holyfoot
# Host:	hfmain.(none)
# Root:	/home/hf/work/28005/my51-28005

--- 1.381/sql/item_func.cc	2007-05-06 23:40:21 +05:00
+++ 1.382/sql/item_func.cc	2007-05-06 23:40:21 +05:00
@@ -1483,7 +1483,7 @@ void Item_func_neg::fix_length_and_dec()
   */
   if (hybrid_type == INT_RESULT &&
       args[0]->type() == INT_ITEM &&
-      ((ulonglong) args[0]->val_int() >= (ulonglong) LONGLONG_MIN))
+      ((ulonglong) args[0]->val_int() > (ulonglong) LONGLONG_MIN))
   {
     /*
       Ensure that result is converted to DECIMAL, as longlong can't hold

--- 1.62/mysql-test/r/partition.result	2007-05-06 23:40:21 +05:00
+++ 1.63/mysql-test/r/partition.result	2007-05-06 23:40:21 +05:00
@@ -1233,4 +1233,6 @@ select * from t1;
 c1	c2
 aaa	2
 drop table t1;
+create table t1 (s1 bigint) partition by list (s1) (partition p1 values in
(-9223372036854775808));
+drop table t1;
 End of 5.1 tests

--- 1.56/mysql-test/t/partition.test	2007-05-06 23:40:21 +05:00
+++ 1.57/mysql-test/t/partition.test	2007-05-06 23:40:21 +05:00
@@ -1441,5 +1441,11 @@ insert into t1 values ('aaa','1') on dup
 select * from t1;
 drop table t1;
 
+#
+# Bug #28005 Partitions: can't use -9223372036854775808 
+#
+
+create table t1 (s1 bigint) partition by list (s1) (partition p1 values in
(-9223372036854775808));
+drop table t1;
 
 --echo End of 5.1 tests