New startup options and some cleanups

BitKeeper/etc/ignore:
  Added =6 to the ignore list
include/mysqld_error.h:
  Error message for no-mixing of table types..
sql/mysql_priv.h:
  New option
sql/mysqld.cc:
  New option
sql/share/english/errmsg.txt:
  Error message for no-mixing of table types..
sql/sql_base.cc:
  Checking of the mixing of table types
sql/sql_parse.cc:
  some fixes

.bzrignore

@@ -391,3 +391,4 @@ support-files/mysql.spec
 tags
 tmp/*
 vio/viotest-ssl
+=6

include/mysqld_error.h

@@ -218,4 +218,5 @@
 #define ER_WRONG_USAGE 1215
 #define ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT 1216
 #define ER_CANT_UPDATE_WITH_READLOCK 1217
-#define ER_ERROR_MESSAGES 218
+#define ER_MIXING_NOT_ALLOWED 1218
+#define ER_ERROR_MESSAGES 219

sql/mysql_priv.h

@@ -562,7 +562,7 @@ extern ulong keybuff_size,sortbuff_size,max_item_sort_length,table_cache_size,
 extern ulong specialflag, current_pid;
 extern bool low_priority_updates, using_update_log;
 extern bool opt_sql_bin_update, opt_safe_show_db, opt_warnings,
-					     opt_safe_user_create;
+					     opt_safe_user_create, opt_no_mix_types;
 extern char language[LIBLEN],reg_ext[FN_EXTLEN],blob_newline;
 extern const char **errmesg;			/* Error messages */
 extern const char *default_tx_isolation_name;

sql/mysqld.cc

@@ -224,7 +224,7 @@ static bool opt_log,opt_update_log,opt_bin_log,opt_slow_log,opt_noacl,
             opt_large_files=sizeof(my_off_t) > 4;
 bool opt_sql_bin_update = 0, opt_log_slave_updates = 0, opt_safe_show_db=0,
   opt_show_slave_auth_info = 0, opt_old_rpl_compat = 0,
-  opt_safe_user_create = 0;
+  opt_safe_user_create = 0, opt_no_mix_types = 0;
 FILE *bootstrap_file=0;
 int segfaulted = 0; // ensure we do not enter SIGSEGV handler twice
 extern MASTER_INFO glob_mi;
@@ -2521,7 +2521,7 @@ enum options {
                OPT_MAX_BINLOG_DUMP_EVENTS, OPT_SPORADIC_BINLOG_DUMP_FAIL,
                OPT_SHOW_SLAVE_AUTH_INFO, OPT_OLD_RPL_COMPAT,
                OPT_SQL_MODE,OPT_SAFE_USER_CREATE,
-               OPT_SLAVE_LOAD_TMPDIR};
+               OPT_SLAVE_LOAD_TMPDIR, OPT_NO_MIX_TYPE};
 
 static struct option long_options[] = {
   {"ansi",                  no_argument,       0, 'a'},
@@ -2613,6 +2613,7 @@ static struct option long_options[] = {
   {"safemalloc-mem-limit",  required_argument, 0, (int)
      OPT_SAFEMALLOC_MEM_LIMIT},
   {"new",                   no_argument,       0, 'n'},
+  {"no-mix-table-types",       no_argument,       0, (int)OPT_NO_MIX_TYPE},
   {"old-protocol",          no_argument,       0, 'o'},
   {"old-rpl-compat",          no_argument,       0, (int)OPT_OLD_RPL_COMPAT},
 #ifdef ONE_THREAD
@@ -3094,6 +3095,7 @@ static void usage(void)
 			BACKUP or FORCE.\n\
   --memlock		Lock mysqld in memory\n\
   -n, --new		Use very new possible 'unsafe' functions\n\
+  --no-mix-table-types  Do not use transactional and non-transactional tables in a single query\n
   -o, --old-protocol	Use the old (3.20) protocol\n\
   -P, --port=...	Port number to use for connection\n");
 #ifdef ONE_THREAD
@@ -3577,6 +3579,9 @@ static void get_options(int argc,char **argv)
     case (int) OPT_LONG_FORMAT:
       opt_specialflag|=SPECIAL_LONG_LOG_FORMAT;
       break;
+    case (int) OPT_NO_MIX_TYPE:
+      opt_no_mix_types = 1;
+      break;
     case (int) OPT_SKIP_NETWORKING:
       opt_disable_networking=1;
       mysql_port=0;

sql/share/english/errmsg.txt

@@ -219,3 +219,4 @@
 "Wrong usage of %s and %s",
 "The used SELECT statements have a different number of columns",
 "Can't execute the query because you have a conflicting read lock",
+"Mixing transactional and non-transactional tables disabled by option",
\ No newline at end of file

sql/sql_base.cc

@@ -1368,6 +1368,18 @@ int open_tables(THD *thd,TABLE_LIST *start)
       tables->table->reginfo.lock_type=tables->lock_type;
     tables->table->grant= tables->grant;
   }
+  if (opt_no_mix_types && start)
+  {
+    bool checking; TABLE_LIST *tl;
+    for (tl=start, checking = tl->table->file->has_transactions(), tl=tl->next; tl ; tl=tl->next)
+    { 
+      if (((tl->table->file->has_transactions()) ^ checking))
+      {
+	send_error(&thd->net,ER_MIXING_NOT_ALLOWED);
+	DBUG_RETURN(-1);
+      }
+    }
+  }
   thd->proc_info=0;
   DBUG_RETURN(result);
 }

sql/sql_parse.cc

@@ -48,7 +48,6 @@ static void remove_escape(char *name);
 static void refresh_status(void);
 static bool append_file_to_dir(char **filename_ptr, char *table_name);
 static int create_total_list(THD *thd, LEX *lex, TABLE_LIST **result);
-static int handle_create_select(THD *thd, LEX *lex, select_result *c_i);
 
 const char *any_db="*any*";	// Special symbol for check_access
 
@@ -1076,11 +1075,13 @@ mysql_execute_command(void)
   /*
     Skip if we are in the slave thread, some table rules have been given
     and the table list says the query should not be replicated
-    TODO: UPDATE this for UNION
+    TODO: UPDATE this for UNION. Updated by Sinisa !!!!!!!!!!!!!!!!!!!!!!
   */
+  if (lex->select_lex.next && tables && (res = create_total_list(thd,lex,&tables)))
+    DBUG_VOID_RETURN;
   if (table_rules_on && thd->slave_thread && tables && !tables_ok(thd,tables))
     DBUG_VOID_RETURN;
-  
+
   switch (lex->sql_command) {
   case SQLCOM_SELECT:
   {
@@ -1088,8 +1089,6 @@ mysql_execute_command(void)
     if (select_lex->options & SELECT_DESCRIBE)
       lex->exchange=0;
     /* Save a call, as it's very uncomon that we use unions */
-    if (lex->select_lex.next && (res = create_total_list(thd,lex,&tables)))
-      break;
     if (tables)
     {
       res=check_table_access(thd,
@@ -1295,8 +1294,6 @@ mysql_execute_command(void)
     if (select_lex->item_list.elements)		// With select
     {
       select_result *result;
-      if ((res = create_total_list(thd,lex,&tables)))
-	break;
 
       if (!(lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) &&
 	  check_dup(thd,tables->db,tables->real_name,tables->next))
@@ -1574,8 +1571,6 @@ mysql_execute_command(void)
   case SQLCOM_REPLACE_SELECT:
   case SQLCOM_INSERT_SELECT:
   {
-    if ((res = create_total_list(thd,lex,&tables)))
-      break;
 
     // Check that we have modify privileges for the first table and
     // select privileges for the rest