Cleanups during review

BitKeeper/etc/ignore:
  added libmysqld/examples/mysqltest_embedded
client/mysqlbinlog.cc:
  Call mysql_close() before die()
innobase/include/eval0eval.ic:
  Remove assert that fails on 64 bit machines
  (Tested with BUILD/compile-pentium64-valgrind-max on 64 bit Intel CPU)
sql/mysqld.cc:
  Force lower_case_table_names to 0 if set to 2 on case insensitive file name
sql/sql_select.cc:
  Remove #if 0

.bzrignore

@@ -1004,3 +1004,6 @@ vio/test-sslserver
 vio/viotest-ssl
 tests/mysql_client_test
 tests/mysql_client_test
+libmysqld/examples/mysql_client_test.c
+libmysqld/examples/mysql_client_test_embedded
+libmysqld/examples/mysqltest_embedded

client/mysqlbinlog.cc

@@ -687,7 +687,7 @@ static int parse_args(int *argc, char*** argv)
 
 static MYSQL* safe_connect()
 {
-  MYSQL *local_mysql = mysql_init(NULL);
+  MYSQL *local_mysql= mysql_init(NULL);
 
   if (!local_mysql)
     die("Failed on mysql_init");
@@ -695,8 +695,12 @@ static MYSQL* safe_connect()
   if (opt_protocol)
     mysql_options(local_mysql, MYSQL_OPT_PROTOCOL, (char*) &opt_protocol);
   if (!mysql_real_connect(local_mysql, host, user, pass, 0, port, sock, 0))
-    die("failed on connect: %s", mysql_error(local_mysql));
-
+  {
+    char errmsg[256];
+    strmake(errmsg, mysql_error(local_mysql), sizeof(errmsg)-1);
+    mysql_close(local_mysql);
+    die("failed on connect: %s", errmsg);
+  }
   return local_mysql;
 }
 
@@ -717,7 +721,12 @@ static int check_master_version(MYSQL* mysql)
 
   if (mysql_query(mysql, "SELECT VERSION()") ||
       !(res = mysql_store_result(mysql)))
-    die("Error checking master version: %s", mysql_error(mysql));
+  {
+    char errmsg[256];
+    strmake(errmsg, mysql_error(mysql), sizeof(errmsg)-1);
+    mysql_close(mysql);
+    die("Error checking master version: %s", errmsg);
+  }
   if (!(row = mysql_fetch_row(res)))
   {
     mysql_free_result(res);

innobase/include/eval0eval.ic

@@ -205,8 +205,6 @@ eval_node_copy_and_alloc_val(
 {
 	byte*		data;
 	
-	ut_ad(UNIV_SQL_NULL > ULINT_MAX);
-
 	if (len == UNIV_SQL_NULL) {
 		dfield_set_len(que_node_get_val(node), len);
 

sql/mysqld.cc

@@ -2915,12 +2915,11 @@ You should consider changing lower_case_table_names to 1 or 2",
              (test_if_case_insensitive(mysql_real_data_home) == 1)))
   {
     if (global_system_variables.log_warnings)
-      sql_print_warning("\
-You have forced lower_case_table_names to 2 through a command-line \
-option, even though your file system '%s' is case sensitive.  This means \
-that you can create a table that you can then no longer access. \
-You should consider changing lower_case_table_names to 0.",
+      sql_print_warning("lower_case_table_names was set to 2, even though your "
+                        "the file system '%s' is case sensitive.  Now setting "
+                        "lower_case_table_names to 0 to avoid future problems.",
 			mysql_real_data_home);
+    lower_case_table_names= 0;
   }
 
   select_thread=pthread_self();

sql/sql_select.cc

@@ -2828,16 +2828,9 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
 		    x = used key parts (1 <= x <= c)
 		  */
 		  double rec_per_key;
-#if 0
-		  if (!(rec_per_key=(double)
-			keyinfo->rec_per_key[keyinfo->key_parts-1]))
-		    rec_per_key=(double) s->records/rec+1;
-#else
                   rec_per_key= keyinfo->rec_per_key[keyinfo->key_parts-1] ?
 		    (double) keyinfo->rec_per_key[keyinfo->key_parts-1] :
 		    (double) s->records/rec+1;   
-#endif
-
 		  if (!s->records)
 		    tmp=0;
 		  else if (rec_per_key/(double) s->records >= 0.01)