MDEV-19342 Merge new release of InnoDB 5.7.26 to 10.2

3 files changed, 19 insertions, 5 deletions

diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index d9ee942324a..953a4d89037 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2000, 2018, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2000, 2019, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, 2009 Google Inc.
 Copyright (c) 2009, Percona Inc.
 Copyright (c) 2012, Facebook Inc.
@@ -10977,7 +10977,7 @@ innodb_base_col_setup_for_stored(
 	for (uint i= 0; i < field->table->s->fields; ++i) {
 		const Field* base_field = field->table->field[i];
 
-		if (!base_field->vcol_info
+		if (base_field->stored_in_db()
 		    && bitmap_is_set(&field->table->tmp_set, i)) {
 			ulint	z;
 			for (z = 0; z < table->n_cols; z++) {
diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i
index 3aa52aadae7..d21de888320 100644
--- a/storage/innobase/include/univ.i
+++ b/storage/innobase/include/univ.i
@@ -41,7 +41,7 @@ Created 1/20/1994 Heikki Tuuri
 
 #define INNODB_VERSION_MAJOR	5
 #define INNODB_VERSION_MINOR	7
-#define INNODB_VERSION_BUGFIX	25
+#define INNODB_VERSION_BUGFIX	26
 
 /* The following is the InnoDB version as shown in
 SELECT plugin_version FROM information_schema.plugins;
diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc
index 10a8f44b062..98a328c7f47 100644
--- a/storage/innobase/os/os0file.cc
+++ b/storage/innobase/os/os0file.cc
@@ -1962,10 +1962,24 @@ LinuxAIOHandler::collect()
 			will be done in the calling function. */
 			m_array->acquire();
 
-			slot->ret = events[i].res2;
+			/* events[i].res2 should always be ZERO */
+			ut_ad(events[i].res2 == 0);
 			slot->io_already_done = true;
-			slot->n_bytes = events[i].res;
 
+			/*Even though events[i].res is an unsigned number
+			in libaio, it is used to return a negative value
+			(negated errno value) to indicate error and a positive
+			value to indicate number of bytes read or written. */
+
+			if (events[i].res > slot->len) {
+				/* failure */
+				slot->n_bytes = 0;
+				slot->ret = events[i].res;
+			} else {
+				/* success */
+				slot->n_bytes = events[i].res;
+				slot->ret = 0;
+			}
 			m_array->release();
 		}