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

into poseidon.ndb.mysql.com:/home/tomas/mysql-5.0

mysql-test/r/myisam.result

@@ -1150,3 +1150,15 @@ drop table t1;
 set storage_engine=MyISAM;
 create table t1 (v varchar(65535));
 ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. You have to change some columns to TEXT or BLOBs
+create table t1 (a int) engine=myisam;
+drop table if exists t1;
+Warnings:
+Error	2	Can't find file: 't1' (errno: 2)
+create table t1 (a int) engine=myisam;
+drop table t1;
+ERROR 42S02: Unknown table 't1'
+create table t1 (a int) engine=myisam;
+drop table t1;
+ERROR HY000: File './test/t1.MYD' not found (Errcode: 2)
+drop table t1;
+ERROR 42S02: Unknown table 't1'

mysql-test/r/ndb_autodiscover.result

@@ -180,7 +180,7 @@ select * from t4;
 ERROR 42S02: Table 'test.t4' doesn't exist
 drop table if exists t4;
 Warnings:
-Note	1051	Unknown table 't4'
+Error	155	Table 'test.t4' doesn't exist
 drop table t5;
 ERROR 42S02: Unknown table 't5'
 drop table if exists t5;

mysql-test/r/rpl_EE_error.result

@@ -6,7 +6,9 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
 start slave;
 create table t1 (a int) engine=myisam;
 flush tables;
-drop table t1;
+drop table if exists t1;
+Warnings:
+Error	2	Can't find file: 't1' (errno: 2)
 create table t1 (a int, unique(a)) engine=myisam;
 set sql_log_bin=0;
 insert into t1 values(2);

mysql-test/t/myisam.test

@@ -539,3 +539,20 @@ eval set storage_engine=$default;
 # MyISAM specific varchar tests
 --error 1118
 create table t1 (v varchar(65535));
+
+#
+# Test how DROP TABLE works if the index or data file doesn't exists
+
+create table t1 (a int) engine=myisam;
+system rm ./var/master-data/test/t1.MYI ;
+drop table if exists t1;
+create table t1 (a int) engine=myisam;
+system rm ./var/master-data/test/t1.MYI ;
+--error 1051
+drop table t1;
+create table t1 (a int) engine=myisam;
+system rm ./var/master-data/test/t1.MYD ;
+--error 1105
+drop table t1;
+--error 1051
+drop table t1;

mysql-test/t/rpl_EE_error.test

@@ -9,7 +9,7 @@ source include/master-slave.inc;
 create table t1 (a int) engine=myisam;
 flush tables;
 system rm ./var/master-data/test/t1.MYI ;
-drop table t1;
+drop table if exists t1;
 save_master_pos;
 connection slave;
 sync_with_master;

sql/ha_innodb.cc

@@ -336,6 +336,11 @@ innobase_release_temporary_latches(
 /*===============================*/
         THD *thd)
 {
+	if (!innodb_inited) {
+		
+		return;
+	}
+
   trx_t *trx= (trx_t*) thd->ha_data[innobase_hton.slot];
   if (trx)
         innobase_release_stat_resources(trx);

sql/handler.cc

@@ -1027,15 +1027,24 @@ bool ha_flush_logs()
   The .frm file will be deleted only if we return 0 or ENOENT
 */
 
-int ha_delete_table(enum db_type table_type, const char *path)
+int ha_delete_table(THD *thd, enum db_type table_type, const char *path,
+                    const char *alias, bool generate_warning)
 {
   handler *file;
   char tmp_path[FN_REFLEN];
+  int error;
+  TABLE dummy_table;
+  TABLE_SHARE dummy_share;
+  DBUG_ENTER("ha_delete_table");
+
+  bzero((char*) &dummy_table, sizeof(dummy_table));
+  bzero((char*) &dummy_share, sizeof(dummy_share));
+  dummy_table.s= &dummy_share;
 
   /* DB_TYPE_UNKNOWN is used in ALTER TABLE when renaming only .frm files */
   if (table_type == DB_TYPE_UNKNOWN ||
-      ! (file=get_new_handler((TABLE*) 0, table_type)))
-    return ENOENT;
+      ! (file=get_new_handler(&dummy_table, table_type)))
+    DBUG_RETURN(ENOENT);
 
   if (lower_case_table_names == 2 && !(file->table_flags() & HA_FILE_BASED))
   {
@@ -1044,9 +1053,45 @@ int ha_delete_table(enum db_type table_type, const char *path)
     my_casedn_str(files_charset_info, tmp_path);
     path= tmp_path;
   }
-  int error=file->delete_table(path);
+  if ((error= file->delete_table(path)) && generate_warning)
+  {
+    /*
+      Because file->print_error() use my_error() to generate the error message
+      we must store the error state in thd, reset it and restore it to
+      be able to get hold of the error message.
+      (We should in the future either rewrite handler::print_error() or make
+      a nice method of this.
+    */
+    bool query_error= thd->query_error;
+    sp_rcontext *spcont= thd->spcont;
+    SELECT_LEX *current_select= thd->lex->current_select;
+    char buff[sizeof(thd->net.last_error)];
+    char new_error[sizeof(thd->net.last_error)];
+    int last_errno= thd->net.last_errno;
+
+    strmake(buff, thd->net.last_error, sizeof(buff)-1);
+    thd->query_error= 0;
+    thd->spcont= 0;
+    thd->lex->current_select= 0;
+    thd->net.last_error[0]= 0;
+
+    /* Fill up strucutures that print_error may need */
+    dummy_table.s->path= path;
+    dummy_table.alias= alias;
+
+    file->print_error(error, 0);
+    strmake(new_error, thd->net.last_error, sizeof(buff)-1);
+
+    /* restore thd */
+    thd->query_error= query_error;
+    thd->spcont= spcont;
+    thd->lex->current_select= current_select;
+    thd->net.last_errno= last_errno;
+    strmake(thd->net.last_error, buff, sizeof(buff)-1);
+    push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, error, new_error);
+  }
   delete file;
-  return error;
+  DBUG_RETURN(error);
 }
 
 /****************************************************************************
@@ -1320,7 +1365,16 @@ ulonglong handler::get_auto_increment()
   return nr;
 }
 
-	/* Print error that we got from handler function */
+
+/*
+  Print error that we got from handler function
+
+  NOTE:
+   In case of delete table it's only safe to use the following parts of
+   the 'table' structure:
+     table->s->path
+     table->alias
+*/
 
 void handler::print_error(int error, myf errflag)
 {
@@ -1499,16 +1553,38 @@ uint handler::get_dup_key(int error)
 }
 
 
+/*
+  Delete all files with extension from bas_ext()
+
+  SYNOPSIS
+    delete_table()
+    name		Base name of table
+
+  NOTES
+    We assume that the handler may return more extensions than
+    was actually used for the file.
+
+  RETURN
+    0   If we successfully deleted at least one file from base_ext and
+	didn't get any other errors than ENOENT    
+    #   Error from delete_file()
+*/
+
 int handler::delete_table(const char *name)
 {
-  int error=0;
+  int error= 0;
+  int enoent_or_zero= ENOENT;                   // Error if no file was deleted
+
   for (const char **ext=bas_ext(); *ext ; ext++)
   {
     if (delete_file(name,*ext,2))
     {
-      if ((error=errno) != ENOENT)
+      if ((error= my_errno) != ENOENT)
 	break;
     }
+    else
+      enoent_or_zero= 0;                        // No error for ENOENT
+    error= enoent_or_zero;
   }
   return error;
 }

sql/handler.h

@@ -217,11 +217,13 @@ struct xid_t {
   bool eq(long g, long b, const char *d)
   { return g == gtrid_length && b == bqual_length && !memcmp(d, data, g+b); }
   void set(LEX_STRING *l) { set(l->length, 0, l->str); }
-  void set(ulonglong l)
+  void set(ulonglong xid)
   {
+    my_xid tmp;
     set(MYSQL_XID_PREFIX_LEN, 0, MYSQL_XID_PREFIX);
-    *(ulong*)(data+MYSQL_XID_PREFIX_LEN)=server_id;
-    *(my_xid*)(data+MYSQL_XID_OFFSET)=l;
+    memcpy(data+MYSQL_XID_PREFIX_LEN, &server_id, sizeof(server_id));
+    tmp= xid;
+    memcpy(data+MYSQL_XID_OFFSET, &tmp, sizeof(tmp));
     gtrid_length=MYSQL_XID_GTRID_LEN;
   }
   void set(long g, long b, const char *d)
@@ -235,7 +237,9 @@ struct xid_t {
   void null() { formatID= -1; }
   my_xid quick_get_my_xid()
   {
-    return *(my_xid*)(data+MYSQL_XID_OFFSET);
+    my_xid tmp;
+    memcpy(&tmp, data+MYSQL_XID_OFFSET, sizeof(tmp));
+    return tmp;
   }
   my_xid get_my_xid()
   {
@@ -753,7 +757,8 @@ bool ha_flush_logs(void);
 void ha_drop_database(char* path);
 int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
 		    bool update_create_info);
-int ha_delete_table(enum db_type db_type, const char *path);
+int ha_delete_table(THD *thd, enum db_type db_type, const char *path,
+                    const char *alias, bool generate_warning);
 
 /* discovery */
 int ha_create_table_from_engine(THD* thd, const char *db, const char *name,

sql/log.cc

@@ -920,6 +920,13 @@ bool MYSQL_LOG::reset_logs(THD* thd)
   */
   pthread_mutex_lock(&LOCK_log);
   pthread_mutex_lock(&LOCK_index);
+  /*
+    The following mutex is needed to ensure that no threads call
+    'delete thd' as we would then risk missing a 'rollback' from this
+    thread. If the transaction involved MyISAM tables, it should go
+    into binlog even on rollback.
+  */
+  (void) pthread_mutex_lock(&LOCK_thread_count);
 
   /* Save variables so that we can reopen the log */
   save_name=name;
@@ -953,6 +960,7 @@ bool MYSQL_LOG::reset_logs(THD* thd)
   my_free((gptr) save_name, MYF(0));
 
 err:
+  (void) pthread_mutex_unlock(&LOCK_thread_count);
   pthread_mutex_unlock(&LOCK_index);
   pthread_mutex_unlock(&LOCK_log);
   DBUG_RETURN(error);
@@ -1601,7 +1609,8 @@ bool MYSQL_LOG::write(Log_event* event_info)
         {
           thd->ha_data[binlog_hton.slot]= trans_log= (IO_CACHE *)
             my_malloc(sizeof(IO_CACHE), MYF(MY_ZEROFILL));
-          if (!trans_log || open_cached_file(trans_log, mysql_tmpdir, LOG_PREFIX,
+          if (!trans_log || open_cached_file(trans_log, mysql_tmpdir,
+                                             LOG_PREFIX,
                                              binlog_cache_size, MYF(MY_WME)))
           {
             my_free((gptr)trans_log, MYF(MY_ALLOW_ZERO_PTR));
@@ -1610,12 +1619,14 @@ bool MYSQL_LOG::write(Log_event* event_info)
           }
           trans_log->end_of_file= max_binlog_cache_size;
           trans_register_ha(thd,
-              thd->options & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN),
+                            thd->options & (OPTION_NOT_AUTOCOMMIT |
+                                            OPTION_BEGIN),
                             &binlog_hton);
         }
         else if (!my_b_tell(trans_log))
           trans_register_ha(thd,
-              thd->options & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN),
+                            thd->options & (OPTION_NOT_AUTOCOMMIT |
+                                            OPTION_BEGIN),
                             &binlog_hton);
         file= trans_log;
       }
@@ -1804,9 +1815,9 @@ uint MYSQL_LOG::next_file_id()
   IMPLEMENTATION
     - To support transaction over replication, we wrap the transaction
       with BEGIN/COMMIT or BEGIN/ROLLBACK in the binary log.
-      We want to write a BEGIN/ROLLBACK block when a non-transactional table was
-      updated in a transaction which was rolled back. This is to ensure that the
-      same updates are run on the slave.
+      We want to write a BEGIN/ROLLBACK block when a non-transactional table
+      was updated in a transaction which was rolled back. This is to ensure
+      that the same updates are run on the slave.
 */
 
 bool MYSQL_LOG::write(THD *thd, IO_CACHE *cache)
@@ -2475,15 +2486,13 @@ int TC_LOG_MMAP::open(const char *opt_name)
   DBUG_ASSERT(TC_LOG_PAGE_SIZE % tc_log_page_size == 0);
 
   fn_format(logname,opt_name,mysql_data_home,"",MY_UNPACK_FILENAME);
-  fd= my_open(logname, O_RDWR, MYF(0));
-  if (fd == -1)
+  if ((fd= my_open(logname, O_RDWR, MYF(0))) < 0)
   {
     if (my_errno != ENOENT)
       goto err;
     if (using_heuristic_recover())
       return 1;
-    fd= my_create(logname, O_RDWR, 0, MYF(MY_WME));
-    if (fd == -1)
+    if ((fd= my_create(logname, O_RDWR, 0, MYF(MY_WME))) < 0)
       goto err;
     inited=1;
     file_length= opt_tc_log_size;
@@ -2821,7 +2830,7 @@ int TC_LOG_MMAP::recover()
   */
   if (data[sizeof(tc_log_magic)] != total_ha_2pc)
   {
-    sql_print_error("Recovery failed! You must have enabled "
+    sql_print_error("Recovery failed! You must enable "
                     "exactly %d storage engines that support "
                     "two-phase commit protocol",
                     data[sizeof(tc_log_magic)]);
@@ -2930,15 +2939,16 @@ int TC_LOG_BINLOG::open(const char *opt_name)
     if (! fdle.is_valid())
       goto err;
 
-    for (error= 0; !error ;)
+    do
     {
-      strnmov(log_name, log_info.log_file_name, sizeof(log_name));
-      if ((error= find_next_log(&log_info, 1)) != LOG_INFO_EOF)
+      strmake(log_name, log_info.log_file_name, sizeof(log_name)-1);
+    } while (!(error= find_next_log(&log_info, 1)));
+
+    if (error !=  LOG_INFO_EOF)
     {
       sql_print_error("find_log_pos() failed (error: %d)", error);
       goto err;
     }
-    }
 
     if ((file= open_binlog(&log, log_name, &errmsg)) < 0)
     {

sql/log_event.cc

@@ -3099,12 +3099,14 @@ void Xid_log_event::pack_info(Protocol *protocol)
   we don't care about actual values of xids as long as
   identical numbers compare identically
 */
-Xid_log_event::Xid_log_event(const char* buf,
-                             const Format_description_log_event* description_event)
+
+Xid_log_event::
+Xid_log_event(const char* buf,
+              const Format_description_log_event *description_event)
   :Log_event(buf, description_event)
 {
   buf+= description_event->common_header_len;
-  xid=*((my_xid *)buf);
+  memcpy((char*) &xid, buf, sizeof(xid));
 }
 
 

sql/sql_acl.cc

@@ -204,20 +204,16 @@ my_bool acl_init(THD *org_thd, bool dont_read_acl_tables)
     if (lower_case_table_names)
     {
       /*
-       We make a temporary copy of the database, force it to lower case,
-       and then copy it back over the original name. We can't just update
-       the host.db pointer, because tmp_name is allocated on the stack.
+        convert db to lower case and give a warning if the db wasn't
+        already in lower case
       */
-      (void)strmov(tmp_name, host.db);
-      my_casedn_str(files_charset_info, tmp_name);
+      (void) strmov(tmp_name, host.db);
+      my_casedn_str(files_charset_info, host.db);
       if (strcmp(host.db, tmp_name) != 0)
-      {
         sql_print_warning("'host' entry '%s|%s' had database in mixed "
                           "case that has been forced to lowercase because "
                           "lower_case_table_names is set.",
                           host.host.hostname, host.db);
-        (void)strmov(host.db, tmp_name);
-      }
     }
     host.access= get_access(table,2);
     host.access= fix_rights_for_db(host.access);
@@ -432,19 +428,17 @@ my_bool acl_init(THD *org_thd, bool dont_read_acl_tables)
     if (lower_case_table_names)
     {
       /*
-       We make a temporary copy of the database, force it to lower case,
-       and then copy it back over the original name. We can't just update
-       the db.db pointer, because tmp_name is allocated on the stack.
+        convert db to lower case and give a warning if the db wasn't
+        already in lower case
       */
       (void)strmov(tmp_name, db.db);
-      my_casedn_str(files_charset_info, tmp_name);
+      my_casedn_str(files_charset_info, db.db);
       if (strcmp(db.db, tmp_name) != 0)
       {
         sql_print_warning("'db' entry '%s %s@%s' had database in mixed "
                           "case that has been forced to lowercase because "
                           "lower_case_table_names is set.",
 		          db.db, db.user, db.host.hostname, db.host.hostname);
-        (void)strmov(db.db, tmp_name);
       }
     }
     db.sort=get_sort(3,db.host.hostname,db.db,db.user);

sql/sql_base.cc

@@ -3592,23 +3592,20 @@ static void mysql_rm_tmp_tables(void)
 *****************************************************************************/
 
 /*
-** Invalidate any cache entries that are for some DB
-** We can't use hash_delete when looping hash_elements. We mark them first
-** and afterwards delete those marked unused.
+  Invalidate any cache entries that are for some DB
+
+  SYNOPSIS
+    remove_db_from_cache()
+    db		Database name. This will be in lower case if
+		lower_case_table_name is set
+
+  NOTE:
+  We can't use hash_delete when looping hash_elements. We mark them first
+  and afterwards delete those marked unused.
 */
 
 void remove_db_from_cache(const char *db)
 {
-  char name_buff[NAME_LEN+1];
-  if (db && lower_case_table_names)
-  {
-    /*
-      convert database to lower case for comparision.
-    */
-    strmake(name_buff, db, sizeof(name_buff)-1);
-    my_casedn_str(files_charset_info, name_buff);
-    db= name_buff;
-  }
   for (uint idx=0 ; idx < open_cache.records ; idx++)
   {
     TABLE *table=(TABLE*) hash_element(&open_cache,idx);

sql/sql_db.cc

@@ -576,7 +576,8 @@ exit2:
     mysql_rm_db()
     thd			Thread handle
     db			Database name in the case given by user
-		        It's already validated when we come here
+		        It's already validated and set to lower case
+                        (if needed) when we come here
     if_exists		Don't give error if database doesn't exists
     silent		Don't generate errors
 
@@ -589,7 +590,7 @@ bool mysql_rm_db(THD *thd,char *db,bool if_exists, bool silent)
 {
   long deleted=0;
   int error= 0;
-  char	path[FN_REFLEN+16], tmp_db[NAME_LEN+1];
+  char	path[FN_REFLEN+16];
   MY_DIR *dirp;
   uint length;
   DBUG_ENTER("mysql_rm_db");
@@ -636,13 +637,6 @@ bool mysql_rm_db(THD *thd,char *db,bool if_exists, bool silent)
       error = 0;
     }
   }
-  if (lower_case_table_names)
-  {
-    /* Convert database to lower case */
-    strmov(tmp_db, db);
-    my_casedn_str(files_charset_info, tmp_db);
-    db= tmp_db;
-  }
   if (!silent && deleted>=0)
   {
     const char *query;

sql/sql_parse.cc

@@ -1775,8 +1775,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
 	break;
       }
       mysql_log.write(thd,command,db);
-      mysql_rm_db(thd, (lower_case_table_names == 2 ? alias : db),
-                       0, 0);
+      mysql_rm_db(thd, db, 0, 0);
       break;
     }
 #ifndef EMBEDDED_LIBRARY
@@ -3223,8 +3222,6 @@ unsent_create_error:
       /* revert changes for SP */
       lex->select_lex.table_list.first= (byte*) first_table;
     }
-    else
-      res= TRUE;
 
     if (first_table->view && !first_table->contain_auto_increment)
       thd->last_insert_id= 0; // do not show last insert ID if VIEW have not it
@@ -3309,7 +3306,7 @@ unsent_create_error:
       delete result;
     }
     else
-      res= TRUE;
+      res= TRUE;                                // Error
     break;
   }
   case SQLCOM_DROP_TABLE:
@@ -3535,8 +3532,7 @@ unsent_create_error:
                  ER(ER_LOCK_OR_ACTIVE_TRANSACTION), MYF(0));
       goto error;
     }
-    res=mysql_rm_db(thd, (lower_case_table_names == 2 ? alias : lex->name),
-                    lex->drop_if_exists, 0);
+    res= mysql_rm_db(thd, lex->name, lex->drop_if_exists, 0);
     break;
   }
   case SQLCOM_ALTER_DB:
@@ -3873,10 +3869,7 @@ unsent_create_error:
       *sv=(*sv)->prev;
     }
     else
-    {
       my_error(ER_SP_DOES_NOT_EXIST, MYF(0), "SAVEPOINT", lex->ident.str);
-      res= TRUE;
-    }
     break;
   }
   case SQLCOM_ROLLBACK_TO_SAVEPOINT:
@@ -3905,10 +3898,7 @@ unsent_create_error:
       *sv=(*sv)->prev;
     }
     else
-    {
       my_error(ER_SP_DOES_NOT_EXIST, MYF(0), "SAVEPOINT", lex->ident.str);
-      res= TRUE;
-    }
     break;
   }
   case SQLCOM_SAVEPOINT:
@@ -3935,7 +3925,6 @@ unsent_create_error:
                                                savepoint_alloc_size)) == 0)
       {
         my_error(ER_OUT_OF_RESOURCES, MYF(0));
-        res= TRUE;
         break;
       }
       newsv->name=strmake_root(&thd->transaction.mem_root,
@@ -4341,7 +4330,6 @@ unsent_create_error:
       }
       thd->transaction.xa_state=XA_ACTIVE;
       send_ok(thd);
-      res=TRUE;
       break;
     }
     if (thd->lex->ident.length > MAXGTRIDSIZE || thd->lex->xa_opt != XA_NONE)
@@ -4367,7 +4355,6 @@ unsent_create_error:
                    OPTION_BEGIN);
     thd->server_status|= SERVER_STATUS_IN_TRANS;
     send_ok(thd);
-    res=TRUE;
     break;
   case SQLCOM_XA_END:
     /* fake it */
@@ -4389,7 +4376,6 @@ unsent_create_error:
     }
     thd->transaction.xa_state=XA_IDLE;
     send_ok(thd);
-    res=TRUE;
     break;
   case SQLCOM_XA_PREPARE:
     if (thd->transaction.xa_state != XA_IDLE)
@@ -4409,7 +4395,6 @@ unsent_create_error:
       thd->transaction.xa_state=XA_NOTR;
       break;
     }
-    res=TRUE;
     thd->transaction.xa_state=XA_PREPARED;
     send_ok(thd);
     break;
@@ -4428,7 +4413,6 @@ unsent_create_error:
       else
       {
         send_ok(thd);
-        res= TRUE;
       }
     }
     else
@@ -4439,7 +4423,6 @@ unsent_create_error:
       else
       {
         send_ok(thd);
-        res= TRUE;
       }
     }
     else
@@ -4469,16 +4452,13 @@ unsent_create_error:
     if (ha_rollback(thd))
       my_error(ER_XAER_RMERR, MYF(0));
     else
-    {
       send_ok(thd);
-      res= TRUE;
-    }
     thd->options&= ~(ulong) (OPTION_BEGIN | OPTION_STATUS_NO_TRANS_UPDATE);
     thd->server_status&= ~SERVER_STATUS_IN_TRANS;
     thd->transaction.xa_state=XA_NOTR;
     break;
   case SQLCOM_XA_RECOVER:
-    res= !mysql_xa_recover(thd);
+    res= mysql_xa_recover(thd);
     break;
   default:
     DBUG_ASSERT(0);                             /* Impossible */

sql/sql_repl.cc

@@ -454,13 +454,14 @@ impossible position";
                    (*packet)[EVENT_TYPE_OFFSET+1]));
        if ((*packet)[EVENT_TYPE_OFFSET+1] == FORMAT_DESCRIPTION_EVENT)
        {
-         binlog_can_be_corrupted= (*packet)[FLAGS_OFFSET+1] & LOG_EVENT_BINLOG_IN_USE_F;
+         binlog_can_be_corrupted= test((*packet)[FLAGS_OFFSET+1] &
+                                       LOG_EVENT_BINLOG_IN_USE_F);
          /*
            mark that this event with "log_pos=0", so the slave
            should not increment master's binlog position
            (rli->group_master_log_pos)
          */
-         int4store(packet->c_ptr()+LOG_POS_OFFSET+1, 0);
+         int4store((char*) packet->ptr()+LOG_POS_OFFSET+1, 0);
          /* send it */
          if (my_net_write(net, (char*)packet->ptr(), packet->length()))
          {
@@ -477,16 +478,21 @@ impossible position";
        }
      }
      else
+     {
        if (test_for_non_eof_log_read_errors(error, &errmsg))
          goto err;
        /*
-        else: it's EOF, nothing to do, go on reading next events, the
+         It's EOF, nothing to do, go on reading next events, the
          Format_description_log_event will be found naturally if it is written.
        */
+     }
      /* reset the packet as we wrote to it in any case */
      packet->set("\0", 1, &my_charset_bin);
-   } /* end of if (pos > BIN_LOG_HEADER_SIZE); if false, the
-        Format_description_log_event event will be found naturally. */
+  } /* end of if (pos > BIN_LOG_HEADER_SIZE); */
+  else
+  {
+    /* The Format_description_log_event event will be found naturally. */
+  }
 
   /* seek to the requested position, to start the requested dump */
   my_b_seek(&log, pos);			// Seek will done on next read
@@ -506,7 +512,8 @@ impossible position";
 #endif
 
       if ((*packet)[EVENT_TYPE_OFFSET+1] == FORMAT_DESCRIPTION_EVENT)
-        binlog_can_be_corrupted= (*packet)[FLAGS_OFFSET+1] & LOG_EVENT_BINLOG_IN_USE_F;
+        binlog_can_be_corrupted= test((*packet)[FLAGS_OFFSET+1] &
+                                      LOG_EVENT_BINLOG_IN_USE_F);
       else if ((*packet)[EVENT_TYPE_OFFSET+1] == STOP_EVENT)
         binlog_can_be_corrupted= FALSE;
 
@@ -810,7 +817,8 @@ int start_slave(THD* thd , MASTER_INFO* mi,  bool net_report)
 
           /* Issuing warning then started without --skip-slave-start */
           if (!opt_skip_slave_start)
-            push_warning(thd, MYSQL_ERROR::WARN_LEVEL_NOTE, ER_MISSING_SKIP_SLAVE, 
+            push_warning(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
+                         ER_MISSING_SKIP_SLAVE, 
                          ER(ER_MISSING_SKIP_SLAVE));
         }
 
@@ -831,9 +839,11 @@ int start_slave(THD* thd , MASTER_INFO* mi,  bool net_report)
       slave_errno = ER_BAD_SLAVE;
   }
   else
-    //no error if all threads are already started, only a warning
+  {
+    /* no error if all threads are already started, only a warning */
     push_warning(thd, MYSQL_ERROR::WARN_LEVEL_NOTE, ER_SLAVE_WAS_RUNNING,
                  ER(ER_SLAVE_WAS_RUNNING));
+  }
   
   unlock_slave_threads(mi);
 

sql/sql_table.cc

@@ -113,7 +113,8 @@ bool mysql_rm_table(THD *thd,TABLE_LIST *tables, my_bool if_exists,
     thd			Thread handle
     tables		List of tables to delete
     if_exists		If 1, don't give error if one table doesn't exists
-   dont_log_query	Don't write query to log files
+    dont_log_query	Don't write query to log files. This will also not
+			generate warnings if the handler files doesn't exists  
 
  NOTES
    Works like documented in mysql_rm_table(), but don't check
@@ -157,7 +158,8 @@ int mysql_rm_table_part2_with_lock(THD *thd,
 			In this case we give an warning of level 'NOTE'
     drop_temporary	Only drop temporary tables
     drop_view		Allow to delete VIEW .frm
-    dont_log_query	Don't log the query
+    dont_log_query	Don't write query to log files. This will also not
+			generate warnings if the handler files doesn't exists  
 
   TODO:
     When logging to the binary log, we should log
@@ -218,7 +220,8 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists,
       (void) unpack_filename(path,path);
     }
     if (drop_temporary ||
-        (access(path,F_OK) && ha_create_table_from_engine(thd,db,alias,TRUE)) ||
+        (access(path,F_OK) &&
+         ha_create_table_from_engine(thd,db,alias,TRUE)) ||
         (!drop_view && mysql_frm_type(path) != FRMTYPE_TABLE))
     {
       if (if_exists)
@@ -233,35 +236,23 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists,
       char *end;
       db_type table_type= get_table_type(path);
       *(end=fn_ext(path))=0;			// Remove extension for delete
-      error=ha_delete_table(table_type, path);
-      if (error == ENOENT && if_exists)
-	error = 0;
+      error= ha_delete_table(thd, table_type, path, table->table_name,
+                             !dont_log_query);
+      if ((error == ENOENT || error == HA_ERR_NO_SUCH_TABLE) && if_exists)
+	error= 0;
       if (error == HA_ERR_ROW_IS_REFERENCED)
       {
 	/* the table is referenced by a foreign key constraint */
 	foreign_key_error=1;
       }
-      if (!error || error == ENOENT)
+      if (!error || error == ENOENT || error == HA_ERR_NO_SUCH_TABLE)
       {
+        int new_error;
 	/* Delete the table definition file */
 	strmov(end,reg_ext);
-	if (!(error=my_delete(path,MYF(MY_WME))))
-	  some_tables_deleted=1;
-      }
-      if (error == HA_ERR_NO_SUCH_TABLE)
-      {
-        /* The table did not exist in engine */
-        if (if_exists)
-        {
-          push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
-                              ER_BAD_TABLE_ERROR, ER(ER_BAD_TABLE_ERROR),
-                              table->table_name);
-          error= 0;
-        }
-        /* Delete the table definition file */
-        strmov(end,reg_ext);
-        if (!(my_delete(path,MYF(MY_WME))))
+	if (!(new_error=my_delete(path,MYF(MY_WME))))
 	  some_tables_deleted=1;
+        error|= new_error;
       }
     }
     if (error)
@@ -311,7 +302,7 @@ int quick_rm_table(enum db_type base,const char *db,
     error=1; /* purecov: inspected */
   my_snprintf(path, sizeof(path), "%s/%s/%s", mysql_data_home, db, table_name);
   unpack_filename(path,path);
-  return ha_delete_table(base,path) || error;
+  return ha_delete_table(current_thd, base, path, table_name, 0) || error;
 }
 
 /*