Merge 10.6 into 10.7

mysql-test/main/backup_locks.result

@@ -32,7 +32,7 @@ a
 connection con1;
 drop table t1;
 connection default;
-SELECT LOCK_MODE, LOCK_TYPE, TABLE_SCHEMA, TABLE_NAME FROM information_schema.metadata_lock_info;
+SELECT LOCK_MODE, LOCK_TYPE, TABLE_SCHEMA, TABLE_NAME FROM information_schema.metadata_lock_info where table_name not like "innodb_%";
 LOCK_MODE	LOCK_TYPE	TABLE_SCHEMA	TABLE_NAME
 MDL_SHARED_HIGH_PRIO	Table metadata lock	test	t1
 MDL_INTENTION_EXCLUSIVE	Schema metadata lock	test	

mysql-test/main/backup_locks.test

@@ -39,7 +39,7 @@ let $wait_condition=
     select count(*) = 1 from information_schema.processlist
     where state = "Waiting for table metadata lock";
 --source include/wait_condition.inc
-SELECT LOCK_MODE, LOCK_TYPE, TABLE_SCHEMA, TABLE_NAME FROM information_schema.metadata_lock_info;
+SELECT LOCK_MODE, LOCK_TYPE, TABLE_SCHEMA, TABLE_NAME FROM information_schema.metadata_lock_info where table_name not like "innodb_%";
 --error ER_LOCK_DEADLOCK
 select * from t1;
 backup unlock;

mysql-test/suite/encryption/r/innodb-redo-nokeys.result

@@ -5,6 +5,9 @@ call mtr.add_suppression("InnoDB: Plugin initialization aborted");
 call mtr.add_suppression("Plugin 'InnoDB' init function returned error\\.");
 call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed.");
 call mtr.add_suppression("InnoDB: Cannot apply log to \\[page id: space=[1-9][0-9]*, page number=0\\] of corrupted file '.*test.t[1-5]\\.ibd'");
+call mtr.add_suppression("InnoDB: Failed to read page .* from file '.*'");
+call mtr.add_suppression("InnoDB: OPT_PAGE_CHECKSUM mismatch");
+call mtr.add_suppression("InnoDB: Set innodb_force_recovery=1 to ignore corruption");
 # restart: --file-key-management-filename=MYSQL_TEST_DIR/std_data/keys2.txt
 SET GLOBAL innodb_file_per_table = ON;
 create table t1(a int not null primary key auto_increment, c char(200), b blob, index(b(10))) engine=innodb row_format=compressed encrypted=yes encryption_key_id=20;

mysql-test/suite/encryption/t/innodb-redo-nokeys.test

@@ -10,6 +10,9 @@ call mtr.add_suppression("InnoDB: Plugin initialization aborted");
 call mtr.add_suppression("Plugin 'InnoDB' init function returned error\\.");
 call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed.");
 call mtr.add_suppression("InnoDB: Cannot apply log to \\[page id: space=[1-9][0-9]*, page number=0\\] of corrupted file '.*test.t[1-5]\\.ibd'");
+call mtr.add_suppression("InnoDB: Failed to read page .* from file '.*'");
+call mtr.add_suppression("InnoDB: OPT_PAGE_CHECKSUM mismatch");
+call mtr.add_suppression("InnoDB: Set innodb_force_recovery=1 to ignore corruption");
 
 -- let $restart_parameters=--file-key-management-filename=$MYSQL_TEST_DIR/std_data/keys2.txt
 -- source include/restart_mysqld.inc

sql/sql_base.cc

@@ -515,7 +515,7 @@ public:
                         Sql_condition ** cond_hdl)
   {
     *cond_hdl= NULL;
-    if (sql_errno == ER_OPEN_AS_READONLY)
+    if (sql_errno == ER_OPEN_AS_READONLY || sql_errno == ER_LOCK_WAIT_TIMEOUT)
     {
       handled_errors++;
       return TRUE;
@@ -598,6 +598,23 @@ bool flush_tables(THD *thd, flush_tables_type flag)
       tc_release_table(table);
     }
     else
+    {
+      /*
+        No free TABLE instances available. We have to open a new one.
+
+        Try to take a MDL lock to ensure we can open a new table instance.
+        If the lock fails, it means that some DDL operation or flush tables
+        with read lock is ongoing.
+        In this case we cannot sending the HA_EXTRA_FLUSH signal.
+      */
+
+      MDL_request mdl_request;
+      MDL_REQUEST_INIT(&mdl_request, MDL_key::TABLE,
+                       share->db.str,
+                       share->table_name.str,
+                       MDL_SHARED, MDL_EXPLICIT);
+
+      if (!thd->mdl_context.acquire_lock(&mdl_request, 0))
       {
         /*
           HA_OPEN_FOR_FLUSH is used to allow us to open the table even if
@@ -619,6 +636,8 @@ bool flush_tables(THD *thd, flush_tables_type flag)
           */
           closefrm(tmp_table);
         }
+        thd->mdl_context.release_lock(mdl_request.ticket);
+      }
     }
     tdc_release_share(share);
   }

storage/innobase/log/log0recv.cc

@@ -946,17 +946,13 @@ bool recv_sys_t::recover_deferred(recv_sys_t::map::iterator &p,
                                                  (fil_space_t::zip_size(flags),
                                                   page), size);
       if (!space)
-      {
+        goto release_and_fail;
-        block->page.lock.x_unlock();
-        goto fail;
-      }
       space->free_limit= fsp_header_get_field(page, FSP_FREE_LIMIT);
       space->free_len= flst_get_len(FSP_HEADER_OFFSET + FSP_FREE + page);
-      block->page.lock.x_unlock();
       fil_node_t *node= UT_LIST_GET_FIRST(space->chain);
       node->deferred= true;
       if (!space->acquire())
-        goto fail;
+        goto release_and_fail;
       fil_names_dirty(space);
       const bool is_compressed= fil_space_t::is_compressed(flags);
 #ifdef _WIN32
@@ -973,14 +969,16 @@ bool recv_sys_t::recover_deferred(recv_sys_t::map::iterator &p,
                             ~4095ULL, is_sparse))
       {
         space->release();
-        goto fail;
+        goto release_and_fail;
       }
       node->deferred= false;
       space->release();
       it->second.space= space;
+      block->page.lock.x_unlock();
       return false;
     }
 
+  release_and_fail:
     block->page.lock.x_unlock();
   }