Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

into  magare.gmz:/home/kgeorge/mysql/autopush/B19342-5.0-opt


sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged

mysql-test/r/func_in.result

@@ -398,4 +398,70 @@ WHERE t3.a=t1.a AND t3.a=t2.a;
 3
 3
 DROP TABLE t1,t2,t3,t4;
+CREATE TABLE t1(a BIGINT UNSIGNED);
+INSERT INTO t1 VALUES (0xFFFFFFFFFFFFFFFF);
+SELECT * FROM t1 WHERE a=-1 OR a=-2 ;
+a
+SELECT * FROM t1 WHERE a IN (-1, -2);
+a
+CREATE TABLE t2 (a BIGINT UNSIGNED);
+insert into t2 values(13491727406643098568),
+(0x7fffffefffffffff),
+(0x7ffffffeffffffff),
+(0x7fffffffefffffff),
+(0x7ffffffffeffffff),
+(0x7fffffffffefffff),
+(0x7ffffffffffeffff),
+(0x7fffffffffffefff),
+(0x7ffffffffffffeff),
+(0x7fffffffffffffef),
+(0x7ffffffffffffffe),
+(0x7fffffffffffffff),
+(0x8000000000000000),
+(0x8000000000000001),
+(0x8000000000000002),
+(0x8000000000000300),
+(0x8000000000000400),
+(0x8000000000000401),
+(0x8000000000004001),
+(0x8000000000040001),
+(0x8000000000400001),
+(0x8000000004000001),
+(0x8000000040000001),
+(0x8000000400000001),
+(0x8000004000000001),
+(0x8000040000000001);
+SELECT HEX(a) FROM t2 WHERE a IN (0xBB3C3E98175D33C8, 42);
+HEX(a)
+BB3C3E98175D33C8
+SELECT HEX(a) FROM t2 WHERE a IN
+(0xBB3C3E98175D33C8,
+0x7fffffffffffffff,
+0x8000000000000000,
+0x8000000000000400,
+0x8000000000000401,
+42);
+HEX(a)
+BB3C3E98175D33C8
+7FFFFFFFFFFFFFFF
+8000000000000000
+8000000000000400
+8000000000000401
+SELECT HEX(a) FROM t2 WHERE a IN (0x7fffffffffffffff,0x8000000000000001);
+HEX(a)
+7FFFFFFFFFFFFFFF
+8000000000000001
+SELECT HEX(a) FROM t2 WHERE a IN (0x7ffffffffffffffe,0x7fffffffffffffff);
+HEX(a)
+7FFFFFFFFFFFFFFE
+7FFFFFFFFFFFFFFF
+SELECT HEX(a) FROM t2 WHERE a IN (0x7ffffffffffffffe,0x7fffffffffffffff,'abc');
+HEX(a)
+7FFFFFFFFFFFFFFE
+7FFFFFFFFFFFFFFF
+CREATE TABLE t3 (a BIGINT UNSIGNED);
+INSERT INTO t3 VALUES (9223372036854775551);
+SELECT HEX(a) FROM t3 WHERE a IN (9223372036854775807, 42);
+HEX(a)
+DROP TABLE t1,t2,t3;
 End of 5.0 tests

mysql-test/t/func_in.test

@@ -298,4 +298,62 @@ SELECT STRAIGHT_JOIN
 
 DROP TABLE t1,t2,t3,t4;  
 
+#
+# BUG#19342: IN works incorrectly for BIGINT UNSIGNED values
+#
+CREATE TABLE t1(a BIGINT UNSIGNED);
+INSERT INTO t1 VALUES (0xFFFFFFFFFFFFFFFF);
+
+SELECT * FROM t1 WHERE a=-1 OR a=-2 ;
+SELECT * FROM t1 WHERE a IN (-1, -2);
+
+CREATE TABLE t2 (a BIGINT UNSIGNED);
+insert into t2 values(13491727406643098568),
+       (0x7fffffefffffffff),
+       (0x7ffffffeffffffff),
+       (0x7fffffffefffffff),
+       (0x7ffffffffeffffff),
+       (0x7fffffffffefffff),
+       (0x7ffffffffffeffff),
+       (0x7fffffffffffefff),
+       (0x7ffffffffffffeff),
+       (0x7fffffffffffffef),
+       (0x7ffffffffffffffe),
+       (0x7fffffffffffffff),
+       (0x8000000000000000),
+       (0x8000000000000001),
+       (0x8000000000000002),
+       (0x8000000000000300),
+       (0x8000000000000400),
+       (0x8000000000000401),
+       (0x8000000000004001),
+       (0x8000000000040001),
+       (0x8000000000400001),
+       (0x8000000004000001),
+       (0x8000000040000001),
+       (0x8000000400000001),
+       (0x8000004000000001),
+       (0x8000040000000001);
+
+SELECT HEX(a) FROM t2 WHERE a IN (0xBB3C3E98175D33C8, 42);
+
+SELECT HEX(a) FROM t2 WHERE a IN
+(0xBB3C3E98175D33C8,
+ 0x7fffffffffffffff,
+ 0x8000000000000000,
+ 0x8000000000000400,
+ 0x8000000000000401,
+ 42);
+
+SELECT HEX(a) FROM t2 WHERE a IN (0x7fffffffffffffff,0x8000000000000001);
+SELECT HEX(a) FROM t2 WHERE a IN (0x7ffffffffffffffe,0x7fffffffffffffff);
+SELECT HEX(a) FROM t2 WHERE a IN (0x7ffffffffffffffe,0x7fffffffffffffff,'abc');
+
+CREATE TABLE t3 (a BIGINT UNSIGNED);
+INSERT INTO t3 VALUES (9223372036854775551);
+
+SELECT HEX(a) FROM t3 WHERE a IN (9223372036854775807, 42);
+
+DROP TABLE t1,t2,t3;
+
 --echo End of 5.0 tests

sql/item.h

@@ -1774,7 +1774,10 @@ class Item_hex_string: public Item
   Item_hex_string(const char *str,uint str_length);
   enum Type type() const { return VARBIN_ITEM; }
   double val_real()
-    { DBUG_ASSERT(fixed == 1); return (double) Item_hex_string::val_int(); }
+  { 
+    DBUG_ASSERT(fixed == 1); 
+    return (double) (ulonglong) Item_hex_string::val_int();
+  }
   longlong val_int();
   bool basic_const_item() const { return 1; }
   String *val_str(String*) { DBUG_ASSERT(fixed == 1); return &str_value; }

sql/item_cmpfunc.cc

@@ -2093,9 +2093,100 @@ void Item_func_coalesce::fix_length_and_dec()
  Classes and function for the IN operator
 ****************************************************************************/
 
-static int cmp_longlong(void *cmp_arg, longlong *a,longlong *b)
+/*
+  Determine which of the signed longlong arguments is bigger
+
+  SYNOPSIS
+    cmp_longs()
+      a_val     left argument
+      b_val     right argument
+
+  DESCRIPTION
+    This function will compare two signed longlong arguments
+    and will return -1, 0, or 1 if left argument is smaller than,
+    equal to or greater than the right argument.
+
+  RETURN VALUE
+    -1          left argument is smaller than the right argument.
+    0           left argument is equal to the right argument.
+    1           left argument is greater than the right argument.
+*/
+static inline int cmp_longs (longlong a_val, longlong b_val)
 {
-  return *a < *b ? -1 : *a == *b ? 0 : 1;
+  return a_val < b_val ? -1 : a_val == b_val ? 0 : 1;
+}
+
+
+/*
+  Determine which of the unsigned longlong arguments is bigger
+
+  SYNOPSIS
+    cmp_ulongs()
+      a_val     left argument
+      b_val     right argument
+
+  DESCRIPTION
+    This function will compare two unsigned longlong arguments
+    and will return -1, 0, or 1 if left argument is smaller than,
+    equal to or greater than the right argument.
+
+  RETURN VALUE
+    -1          left argument is smaller than the right argument.
+    0           left argument is equal to the right argument.
+    1           left argument is greater than the right argument.
+*/
+static inline int cmp_ulongs (ulonglong a_val, ulonglong b_val)
+{
+  return a_val < b_val ? -1 : a_val == b_val ? 0 : 1;
+}
+
+
+/*
+  Compare two integers in IN value list format (packed_longlong) 
+
+  SYNOPSIS
+    cmp_longlong()
+      cmp_arg   an argument passed to the calling function (qsort2)
+      a         left argument
+      b         right argument
+
+  DESCRIPTION
+    This function will compare two integer arguments in the IN value list
+    format and will return -1, 0, or 1 if left argument is smaller than,
+    equal to or greater than the right argument.
+    It's used in sorting the IN values list and finding an element in it.
+    Depending on the signedness of the arguments cmp_longlong() will
+    compare them as either signed (using cmp_longs()) or unsigned (using
+    cmp_ulongs()).
+
+  RETURN VALUE
+    -1          left argument is smaller than the right argument.
+    0           left argument is equal to the right argument.
+    1           left argument is greater than the right argument.
+*/
+int cmp_longlong(void *cmp_arg, 
+                 in_longlong::packed_longlong *a,
+                 in_longlong::packed_longlong *b)
+{
+  if (a->unsigned_flag != b->unsigned_flag)
+  { 
+    /* 
+      One of the args is unsigned and is too big to fit into the 
+      positive signed range. Report no match.
+    */  
+    if (a->unsigned_flag && ((ulonglong) a->val) > LONGLONG_MAX ||
+        b->unsigned_flag && ((ulonglong) b->val) > LONGLONG_MAX)
+      return a->unsigned_flag ? 1 : -1;
+    /*
+      Although the signedness differs both args can fit into the signed 
+      positive range. Make them signed and compare as usual.
+    */  
+    return cmp_longs (a->val, b->val);
+  }
+  if (a->unsigned_flag)
+    return cmp_ulongs ((ulonglong) a->val, (ulonglong) b->val);
+  else
+    return cmp_longs (a->val, b->val);
 }
 
 static int cmp_double(void *cmp_arg, double *a,double *b)
@@ -2220,19 +2311,23 @@ void in_row::set(uint pos, Item *item)
 }
 
 in_longlong::in_longlong(uint elements)
-  :in_vector(elements,sizeof(longlong),(qsort2_cmp) cmp_longlong, 0)
+  :in_vector(elements,sizeof(packed_longlong),(qsort2_cmp) cmp_longlong, 0)
 {}
 
 void in_longlong::set(uint pos,Item *item)
 {
-  ((longlong*) base)[pos]=item->val_int();
+  struct packed_longlong *buff= &((packed_longlong*) base)[pos];
+  
+  buff->val= item->val_int();
+  buff->unsigned_flag= item->unsigned_flag;
 }
 
 byte *in_longlong::get_value(Item *item)
 {
-  tmp= item->val_int();
+  tmp.val= item->val_int();
   if (item->null_value)
     return 0;
+  tmp.unsigned_flag= item->unsigned_flag;
   return (byte*) &tmp;
 }
 
@@ -2553,6 +2648,31 @@ void Item_func_in::fix_length_and_dec()
   */
   if (const_itm && !nulls_in_row())
   {
+    /*
+      IN must compare INT/DATE/DATETIME/TIMESTAMP columns and constants
+      as int values (the same way as equality does).
+      So we must check here if the column on the left and all the constant 
+      values on the right can be compared as integers and adjust the 
+      comparison type accordingly.
+    */  
+    if (args[0]->real_item()->type() == FIELD_ITEM &&
+        thd->lex->sql_command != SQLCOM_CREATE_VIEW &&
+        thd->lex->sql_command != SQLCOM_SHOW_CREATE &&
+        cmp_type != INT_RESULT)
+    {
+      Field *field= ((Item_field*) (args[0]->real_item()))->field;
+      if (field->can_be_compared_as_longlong())
+      {
+        bool all_converted= TRUE;
+        for (arg=args+1, arg_end=args+arg_count; arg != arg_end ; arg++)
+        {
+          if (!convert_constant_item (thd, field, &arg[0]))
+            all_converted= FALSE;
+        }
+        if (all_converted)
+          cmp_type= INT_RESULT;
+      }
+    }
     switch (cmp_type) {
     case STRING_RESULT:
       array=new in_string(arg_count-1,(qsort2_cmp) srtcmp_in, 

sql/item_cmpfunc.h

@@ -734,7 +734,16 @@ class in_string :public in_vector
 
 class in_longlong :public in_vector
 {
-  longlong tmp;
+  /*
+    Here we declare a temporary variable (tmp) of the same type as the
+    elements of this vector. tmp is used in finding if a given value is in 
+    the list. 
+  */
+  struct packed_longlong 
+  {
+    longlong val;
+    longlong unsigned_flag;  // Use longlong, not bool, to preserve alignment
+  } tmp;
 public:
   in_longlong(uint elements);
   void set(uint pos,Item *item);
@@ -750,8 +759,12 @@ class in_longlong :public in_vector
   }
   void value_to_item(uint pos, Item *item)
   {
-    ((Item_int*)item)->value= ((longlong*)base)[pos];
+    ((Item_int*) item)->value= ((packed_longlong*) base)[pos].val;
+    ((Item_int*) item)->unsigned_flag= 
+      ((packed_longlong*) base)[pos].unsigned_flag;
   }
+
+  friend int cmp_longlong(void *cmp_arg, packed_longlong *a,packed_longlong *b);
 };
 
 class in_double :public in_vector