bk commit into 5.0 tree (jimw:1.2149)

[Jim Winstead]

Below is the list of changes that have just been committed into a local
5.0 repository of jimw. When jimw 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
  1.2149 06/04/10 14:30:00 jimw@stripped +3 -0
  Merge bk-internal:/home/bk/mysql-5.0
  into  mysql.com:/home/jimw/my/mysql-5.0-clean

  sql/ha_ndbcluster.cc
    1.241 06/04/10 14:29:55 jimw@stripped +0 -0
    Auto merged

  sql/field.h
    1.177 06/04/10 14:29:55 jimw@stripped +0 -0
    Auto merged

  sql/field.cc
    1.304 06/04/10 14:29:55 jimw@stripped +0 -0
    Auto merged

# 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:	jimw
# Host:	rama.(none)
# Root:	/home/jimw/my/mysql-5.0-clean/RESYNC

--- 1.303/sql/field.cc	2006-03-30 00:04:49 -08:00
+++ 1.304/sql/field.cc	2006-04-10 14:29:55 -07:00
@@ -7942,9 +7942,10 @@
                      uchar null_bit_arg, uchar *bit_ptr_arg, uchar bit_ofs_arg,
                      enum utype unireg_check_arg, const char *field_name_arg,
                      struct st_table *table_arg)
-  : Field(ptr_arg, len_arg >> 3, null_ptr_arg, null_bit_arg,
+  : Field(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
           unireg_check_arg, field_name_arg, table_arg),
-    bit_ptr(bit_ptr_arg), bit_ofs(bit_ofs_arg), bit_len(len_arg & 7)
+    bit_ptr(bit_ptr_arg), bit_ofs(bit_ofs_arg), bit_len(len_arg & 7),
+    bytes_in_rec(len_arg / 8)
 {
   /*
     Ensure that Field::eq() can distinguish between two different bit fields.
@@ -7980,14 +7981,14 @@
   int delta;
 
   for (; length && !*from; from++, length--);          // skip left 0's
-  delta= field_length - length;
+  delta= bytes_in_rec - length;
 
   if (delta < -1 ||
       (delta == -1 && (uchar) *from > ((1 << bit_len) - 1)) ||
       (!bit_len && delta < 0))
   {
     set_rec_bits(0xff, bit_ptr, bit_ofs, bit_len);
-    memset(ptr, 0xff, field_length);
+    memset(ptr, 0xff, bytes_in_rec);
     if (table->in_use->really_abort_on_warning())
       set_warning(MYSQL_ERROR::WARN_LEVEL_ERROR, ER_DATA_TOO_LONG, 1);
     else
@@ -8015,7 +8016,7 @@
       set_rec_bits((uchar) *from, bit_ptr, bit_ofs, bit_len);
       from++;
     }
-    memcpy(ptr, from, field_length);
+    memcpy(ptr, from, bytes_in_rec);
   }
   return 0;
 }
@@ -8056,10 +8057,10 @@
   if (bit_len)
   {
     bits= get_rec_bits(bit_ptr, bit_ofs, bit_len);
-    bits<<= (field_length * 8);
+    bits<<= (bytes_in_rec * 8);
   }
 
-  switch (field_length) {
+  switch (bytes_in_rec) {
   case 0: return bits;
   case 1: return bits | (ulonglong) (uchar) ptr[0];
   case 2: return bits | mi_uint2korr(ptr);
@@ -8068,7 +8069,7 @@
   case 5: return bits | mi_uint5korr(ptr);
   case 6: return bits | mi_uint6korr(ptr);
   case 7: return bits | mi_uint7korr(ptr);
-  default: return mi_uint8korr(ptr + field_length - sizeof(longlong));
+  default: return mi_uint8korr(ptr + bytes_in_rec - sizeof(longlong));
   }
 }  
 
@@ -8121,7 +8122,7 @@
     if ((flag= (int) (bits_a - bits_b)))
       return flag;
   }
-  return memcmp(ptr, ptr + row_offset, field_length);
+  return memcmp(ptr, ptr + row_offset, bytes_in_rec);
 }
 
 
@@ -8133,7 +8134,7 @@
     *buff++= bits;
     length--;
   }
-  memcpy(buff, ptr, min(length, field_length));
+  memcpy(buff, ptr, min(length, bytes_in_rec));
 }
 
 
@@ -8141,22 +8142,22 @@
 {
   CHARSET_INFO *cs= res.charset();
   ulong length= cs->cset->snprintf(cs, (char*) res.ptr(), res.alloced_length(),
-                                   "bit(%d)", 
-                                   (int) field_length * 8 + bit_len);
+                                   "bit(%d)", (int) field_length);
   res.length((uint) length);
 }
 
 
 char *Field_bit::pack(char *to, const char *from, uint max_length)
 {
-  uint length= min(field_length + (bit_len > 0), max_length);
+  DBUG_ASSERT(max_length);
+  uint length;
   if (bit_len)
   {
     uchar bits= get_rec_bits(bit_ptr, bit_ofs, bit_len);
     *to++= bits;
-    length--;
   }
-  memcpy(to, from, length); 
+  length= min(bytes_in_rec, max_length - (bit_len > 0));
+  memcpy(to, from, length);
   return to + length;
 }
 
@@ -8168,8 +8169,8 @@
     set_rec_bits(*from, bit_ptr, bit_ofs, bit_len);
     from++;
   }
-  memcpy(to, from, field_length);
-  return from + field_length;
+  memcpy(to, from, bytes_in_rec);
+  return from + bytes_in_rec;
 }
 
 
@@ -8183,26 +8184,25 @@
                                      const char *field_name_arg,
                                      struct st_table *table_arg)
   : Field_bit(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, 0,
-              0, unireg_check_arg, field_name_arg, table_arg),
-    create_length(len_arg)
+              0, unireg_check_arg, field_name_arg, table_arg)
 {
   bit_len= 0;
-  field_length= ((len_arg + 7) & ~7) / 8;
+  bytes_in_rec= (len_arg + 7) / 8;
 }
 
 
 int Field_bit_as_char::store(const char *from, uint length, CHARSET_INFO *cs)
 {
   int delta;
-  uchar bits= create_length & 7;
+  uchar bits= field_length & 7;
 
   for (; length && !*from; from++, length--);          // skip left 0's
-  delta= field_length - length;
+  delta= bytes_in_rec - length;
 
   if (delta < 0 ||
       (delta == 0 && bits && (uint) (uchar) *from >= (uint) (1
<< bits)))
   {
-    memset(ptr, 0xff, field_length);
+    memset(ptr, 0xff, bytes_in_rec);
     if (bits)
       *ptr&= ((1 << bits) - 1); /* set first byte */
     if (table->in_use->really_abort_on_warning())
@@ -8221,7 +8221,7 @@
 {
   CHARSET_INFO *cs= res.charset();
   ulong length= cs->cset->snprintf(cs, (char*) res.ptr(), res.alloced_length(),
-                                   "bit(%d)", (int) create_length);
+                                   "bit(%d)", (int) field_length);
   res.length((uint) length);
 }
 
@@ -8947,11 +8947,6 @@
     geom_type= ((Field_geom*)old_field)->geom_type;
     break;
 #endif
-  case FIELD_TYPE_BIT:
-    length= (old_field->key_type() == HA_KEYTYPE_BIT) ?
-            ((Field_bit *) old_field)->bit_len + length * 8 :
-            ((Field_bit_as_char *) old_field)->create_length;
-    break;
   default:
     break;
   }

--- 1.176/sql/field.h	2006-04-05 02:30:50 -07:00
+++ 1.177/sql/field.h	2006-04-10 14:29:55 -07:00
@@ -1312,17 +1312,18 @@
   uchar *bit_ptr;     // position in record where 'uneven' bits store
   uchar bit_ofs;      // offset to 'uneven' high bits
   uint bit_len;       // number of 'uneven' high bits
+  uint bytes_in_rec;
   Field_bit(char *ptr_arg, uint32 len_arg, uchar *null_ptr_arg,
             uchar null_bit_arg, uchar *bit_ptr_arg, uchar bit_ofs_arg,
             enum utype unireg_check_arg, const char *field_name_arg,
             struct st_table *table_arg);
   enum_field_types type() const { return FIELD_TYPE_BIT; }
   enum ha_base_keytype key_type() const { return HA_KEYTYPE_BIT; }
-  uint32 key_length() const { return (uint32) field_length + (bit_len > 0); }
-  uint32 max_length() { return (uint32) field_length * 8 + bit_len; }
+  uint32 key_length() const { return (uint32) (field_length + 7) / 8; }
+  uint32 max_length() { return field_length; }
   uint size_of() const { return sizeof(*this); }
   Item_result result_type () const { return INT_RESULT; }
-  void reset(void) { bzero(ptr, field_length); }
+  void reset(void) { bzero(ptr, bytes_in_rec); }
   int store(const char *to, uint length, CHARSET_INFO *charset);
   int store(double nr);
   int store(longlong nr, bool unsigned_val);
@@ -1344,9 +1345,8 @@
   { Field_bit::store(buff, length, &my_charset_bin); }
   void sort_string(char *buff, uint length)
   { get_key_image(buff, length, itRAW); }
-  uint32 pack_length() const 
-  { return (uint32) field_length + (bit_len > 0); }
-  uint32 pack_length_in_rec() const { return field_length; }
+  uint32 pack_length() const { return (uint32) (field_length + 7) / 8; }
+  uint32 pack_length_in_rec() const { return bytes_in_rec; }
   void sql_type(String &str) const;
   char *pack(char *to, const char *from, uint max_length=~(uint) 0);
   const char *unpack(char* to, const char *from);
@@ -1363,13 +1363,11 @@
 
 class Field_bit_as_char: public Field_bit {
 public:
-  uchar create_length;
   Field_bit_as_char(char *ptr_arg, uint32 len_arg, uchar *null_ptr_arg,
                     uchar null_bit_arg,
                     enum utype unireg_check_arg, const char *field_name_arg,
                     struct st_table *table_arg);
   enum ha_base_keytype key_type() const { return HA_KEYTYPE_BINARY; }
-  uint32 max_length() { return (uint32) create_length; }
   uint size_of() const { return sizeof(*this); }
   int store(const char *to, uint length, CHARSET_INFO *charset);
   int store(double nr) { return Field_bit::store(nr); }

--- 1.240/sql/ha_ndbcluster.cc	2006-03-28 05:40:04 -08:00
+++ 1.241/sql/ha_ndbcluster.cc	2006-04-10 14:29:55 -07:00
@@ -3952,7 +3952,7 @@
     break;
   case MYSQL_TYPE_BIT:
   {
-    int no_of_bits= field->field_length*8 + ((Field_bit *) field)->bit_len;
+    int no_of_bits= field->field_length;
     col.setType(NDBCOL::Bit);
     if (!no_of_bits)
       col.setLength(1);