Merge bk-internal.mysql.com:/home/bk/mysql-4.1

into  mysql.com:/opt/local/work/mysql-4.1-root


mysql-test/r/heap.result:
  Auto merged
mysql-test/t/heap.test:
  Auto merged

4 files changed, 12 insertions, 5 deletions

diff --git a/sql/field.cc b/sql/field.cc
index b1d9167aee2..fd6eba9e492 100644
--- a/sql/field.cc
+++ b/sql/field.cc
@@ -6516,13 +6516,11 @@ bool Field_num::eq_def(Field *field)
     create_field::create_length_to_internal_length()
   
   DESCRIPTION
-    Convert create_field::length from number of characters to number of bytes,
-    save original value in chars_length.
+    Convert create_field::length from number of characters to number of bytes.
 */
 
 void create_field::create_length_to_internal_length(void)
 {
-  chars_length= length;
   switch (sql_type) {
   case MYSQL_TYPE_TINY_BLOB:
   case MYSQL_TYPE_MEDIUM_BLOB:
@@ -6775,6 +6773,7 @@ create_field::create_field(Field *old_field,Field *orig_field)
       break;
   }
 
+  char_length= length;
   decimals= old_field->decimals();
   if (sql_type == FIELD_TYPE_STRING)
   {
diff --git a/sql/field.h b/sql/field.h
index 04f1bd68c7a..966549516b1 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -1188,7 +1188,7 @@ public:
   /*
     The value of 'length' before a call to create_length_to_internal_length
   */
-  uint32 chars_length;
+  uint32 char_length;
   uint decimals,flags,pack_length;
   Field::utype unireg_check;
   TYPELIB *interval;			// Which interval to use
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 1daa0a5ffec..21a335637b9 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -4480,6 +4480,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
 						  NOT_FIXED_DEC-1) : 0;
   new_field->sql_type=type;
   new_field->length=0;
+  new_field->char_length= 0;
   new_field->change=change;
   new_field->interval=0;
   new_field->pack_length=0;
@@ -4750,6 +4751,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
 					    FIELD_TYPE_STRING :
 					    new_field->sql_type,
 					    new_field->length);
+  new_field->char_length= new_field->length;
   lex->create_list.push_back(new_field);
   lex->last_field=new_field;
   DBUG_RETURN(0);
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 71cbc0be1e3..616db8b0424 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -488,6 +488,12 @@ int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
 
   for (field_no=0; (sql_field=it++) ; field_no++)
   {
+    /*
+      Initialize length from its original value (number of characters),
+      which was set in the parser. This is necessary if we're
+      executing a prepared statement for the second time.
+    */
+    sql_field->length= sql_field->char_length;
     if (!sql_field->charset)
       sql_field->charset= create_info->default_table_charset;
     /*
@@ -665,7 +671,7 @@ int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
 	  sql_field->charset=		(dup_field->charset ?
 					 dup_field->charset :
 					 create_info->default_table_charset);
-	  sql_field->length=		dup_field->chars_length;
+	  sql_field->length=		dup_field->char_length;
           sql_field->pack_length=	dup_field->pack_length;
 	  sql_field->create_length_to_internal_length();
 	  sql_field->decimals=		dup_field->decimals;