Merge with 4.0.18

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
mysql-test/r/ctype_tis620.result-old:
  Merge rename: mysql-test/r/ctype_tis620.result -> mysql-test/r/ctype_tis620.result-old
BUILD/compile-pentium-max:
  Auto merged
BitKeeper/etc/config:
  Auto merged
Build-tools/Bootstrap:
  Auto merged
Build-tools/Do-compile:
  Auto merged
configure.in:
  Auto merged
mysql-test/t/ctype_tis620.test-old:
  Merge rename: mysql-test/t/ctype_tis620.test -> mysql-test/t/ctype_tis620.test-old
Docs/Makefile.am:
  Auto merged
client/mysqldump.c:
  Auto merged
client/mysqltest.c:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/myisam.h:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/ibuf/ibuf0ibuf.c:
  Auto merged
innobase/include/dict0dict.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/ut0mem.h:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/ut/ut0mem.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_dynrec.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/myisam_ftdump.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/bdb.result:
  Auto merged
mysql-test/r/bigint.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged

1 files changed, 46 insertions, 5 deletions

diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 0ededa80ad6..19e6e37d43e 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -488,6 +488,11 @@ void close_temporary_tables(THD *thd)
   query_buf_size= 50;   // Enough for DROP ... TABLE
 
   for (table=thd->temporary_tables ; table ; table=table->next)
+    /*
+      We are going to add 4 ` around the db/table names, so 1 does not look
+      enough; indeed it is enough, because table->key_length is greater (by 8,
+      because of server_id and thread_id) than db||table.
+    */
     query_buf_size+= table->key_length+1;
 
   if ((query = alloc_root(&thd->mem_root, query_buf_size)))
@@ -504,8 +509,8 @@ void close_temporary_tables(THD *thd)
         Here we assume table_cache_key always starts
         with \0 terminated db name
       */
-      end = strxmov(end,"`",table->table_cache_key,"`",
-                    ".`",table->real_name,"`,", NullS);
+      end = strxmov(end,"`",table->table_cache_key,"`.`",
+                    table->real_name,"`,", NullS);
     }
     next=table->next;
     close_temporary(table);
@@ -808,8 +813,12 @@ TABLE *open_table(THD *thd,const char *db,const char *table_name,
     {
       if (table->key_length == key_length &&
 	  !memcmp(table->table_cache_key,key,key_length) &&
-	  !my_strcasecmp(system_charset_info,table->table_name,alias))
+	  !my_strcasecmp(system_charset_info, table->table_name, alias) &&
+	  table->query_id != thd->query_id)
+      {
+	table->query_id=thd->query_id;
 	goto reset;
+      }
     }
     my_printf_error(ER_TABLE_NOT_LOCKED,ER(ER_TABLE_NOT_LOCKED),MYF(0),alias);
     DBUG_RETURN(0);
@@ -1342,15 +1351,47 @@ static int open_unireg_entry(THD *thd, TABLE *entry, const char *db,
       error=1;
     }
     else
-    {
       thd->clear_error();			// Clear error message
-    }
     pthread_mutex_lock(&LOCK_open);
     unlock_table_name(thd,&table_list);
 
     if (error)
       goto err;
   }
+  /*
+    If we are here, there was no fatal error (but error may be still
+    unitialized).
+  */
+  if (unlikely(entry->file->implicit_emptied))
+  {
+    entry->file->implicit_emptied= 0;
+    if (mysql_bin_log.is_open())
+    {
+      char *query, *end;
+      uint query_buf_size= 20 + 2*NAME_LEN + 1;
+      if ((query= (char*)my_malloc(query_buf_size,MYF(MY_WME))))
+      {
+        end = strxmov(strmov(query, "DELETE FROM `"),
+                      db,"`.`",name,"`", NullS);
+        Query_log_event qinfo(thd, query, (ulong)(end-query), 0);
+        mysql_bin_log.write(&qinfo);
+        my_free(query, MYF(0));
+      }
+      else
+      {
+        /*
+          As replication is maybe going to be corrupted, we need to warn the
+          DBA on top of warning the client (which will automatically be done
+          because of MYF(MY_WME) in my_malloc() above).
+        */
+        sql_print_error("Error: when opening HEAP table, could not allocate \
+memory to write 'DELETE FROM `%s`.`%s`' to the binary log",db,name);
+        if (entry->file)
+          closefrm(entry);
+        goto err;
+      }
+    }
+  }
   DBUG_RETURN(0);
 err:
   DBUG_RETURN(1);