bk commit into 5.0 tree (gluh:1.2090) BUG#17826

[gluh]

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ChangeSet
  1.2090 06/03/02 20:07:39 gluh@stripped +3 -0
  Fix for bug#17826 'type_decimal' fails with ps-protocol
   removed unnecessary calculation of cache value 
   otherwise Join::preapre tries to calculate 
   undefined values(filed values) 

  sql/item_cmpfunc.cc
    1.192 06/03/02 20:07:33 gluh@stripped +0 -6
    Fix for bug#17826 'type_decimal' fails with ps-protocol
     removed unnecessary calculation of cache value 
     otherwise Join::preapre tries to calculate 
     undefined values(filed values) 

  mysql-test/t/type_decimal.test
    1.31 06/03/02 20:07:33 gluh@stripped +8 -0
    Fix for bug#17826 'type_decimal' fails with ps-protocol
     test case

  mysql-test/r/type_decimal.result
    1.41 06/03/02 20:07:33 gluh@stripped +7 -0
    Fix for bug#17826 'type_decimal' fails with ps-protocol
     test case

# 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:	gluh
# Host:	eagle.intranet.mysql.r18.ru
# Root:	/home/gluh/MySQL/Bugs/5.0.17602

--- 1.191/sql/item_cmpfunc.cc	Tue Feb 14 16:21:59 2006
+++ 1.192/sql/item_cmpfunc.cc	Thu Mar  2 20:07:33 2006
@@ -697,12 +697,6 @@ bool Item_in_optimizer::fix_left(THD *th
     return 1;
 
   cache->setup(args[0]);
-  /*
-    If it is preparation PS only then we do not know values of parameters =>
-    cant't get there values and do not need that values.
-  */
-  if (!thd->stmt_arena->is_stmt_prepare())
-    cache->store(args[0]);
   if (cache->cols() == 1)
   {
     if ((used_tables_cache= args[0]->used_tables()))

--- 1.40/mysql-test/r/type_decimal.result	Tue Jan 17 22:10:41 2006
+++ 1.41/mysql-test/r/type_decimal.result	Thu Mar  2 20:07:33 2006
@@ -772,3 +772,10 @@ productid	zlevelprice
 003trans	39.98
 004trans	31.18
 drop table t1, t2;
+create table t1 (f1 decimal(5));
+insert into t1 values (40);
+flush tables;
+select f1 from t1 where f1 in (select f1 from t1);
+f1
+40
+drop table t1;

--- 1.30/mysql-test/t/type_decimal.test	Tue Jan 17 22:10:41 2006
+++ 1.31/mysql-test/t/type_decimal.test	Thu Mar  2 20:07:33 2006
@@ -377,3 +377,11 @@ insert INTO t2 SELECT * FROM t1;
 select * from t2; 
 drop table t1, t2;
 
+#
+# Bug #17826 'type_decimal' fails with ps-protocol
+#
+create table t1 (f1 decimal(5));
+insert into t1 values (40);
+flush tables;
+select f1 from t1 where f1 in (select f1 from t1);
+drop table t1;