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-rw-r--r--mysql-test/suite/perfschema/t/dml_accounts.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_cond_instances.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esgs_by_account_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esgs_by_host_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esgs_by_thread_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esgs_by_user_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esgs_global_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esms_by_account_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esms_by_digest.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esms_by_host_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esms_by_thread_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esms_by_user_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_esms_global_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_stages_current.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_stages_history.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_stages_history_long.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_statements_current.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_statements_history.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_statements_history_long.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_waits_current.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_waits_history.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_events_waits_history_long.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_ews_by_account_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_ews_by_host_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_ews_by_instance.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_ews_by_thread_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_ews_by_user_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_ews_global_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_file_instances.test7
-rw-r--r--mysql-test/suite/perfschema/t/dml_fs_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_fs_by_instance.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_host_cache.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_hosts.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_mutex_instances.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_os_global_by_type.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_performance_timers.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_rwlock_instances.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_session_account_connect_attrs.test9
-rw-r--r--mysql-test/suite/perfschema/t/dml_session_connect_attrs.test9
-rw-r--r--mysql-test/suite/perfschema/t/dml_setup_actors.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_setup_consumers.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_setup_instruments.test7
-rw-r--r--mysql-test/suite/perfschema/t/dml_setup_objects.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_setup_timers.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_socket_instances.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_socket_summary_by_event_name.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_socket_summary_by_instance.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_threads.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_tiws_by_index_usage.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_tiws_by_table.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_tlws_by_table.test6
-rw-r--r--mysql-test/suite/perfschema/t/dml_users.test6
-rw-r--r--mysql-test/suite/perfschema/t/table_schema.test5
53 files changed, 325 insertions, 0 deletions
diff --git a/mysql-test/suite/perfschema/t/dml_accounts.test b/mysql-test/suite/perfschema/t/dml_accounts.test
index e462847279c..84c6cee93ef 100644
--- a/mysql-test/suite/perfschema/t/dml_accounts.test
+++ b/mysql-test/suite/perfschema/t/dml_accounts.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.accounts WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='accounts';
diff --git a/mysql-test/suite/perfschema/t/dml_cond_instances.test b/mysql-test/suite/perfschema/t/dml_cond_instances.test
index d80c97cbd31..3d3d019480d 100644
--- a/mysql-test/suite/perfschema/t/dml_cond_instances.test
+++ b/mysql-test/suite/perfschema/t/dml_cond_instances.test
@@ -33,3 +33,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.cond_instances WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='cond_instances';
diff --git a/mysql-test/suite/perfschema/t/dml_esgs_by_account_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esgs_by_account_by_event_name.test
index b9633ec8ea7..fb54b332c23 100644
--- a/mysql-test/suite/perfschema/t/dml_esgs_by_account_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esgs_by_account_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_summary_by_account_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_summary_by_account_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esgs_by_host_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esgs_by_host_by_event_name.test
index bb973cd31ed..e7a8e465e89 100644
--- a/mysql-test/suite/perfschema/t/dml_esgs_by_host_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esgs_by_host_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_summary_by_host_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_summary_by_host_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esgs_by_thread_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esgs_by_thread_by_event_name.test
index 50fc1fff848..f7675363e82 100644
--- a/mysql-test/suite/perfschema/t/dml_esgs_by_thread_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esgs_by_thread_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_summary_by_thread_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_summary_by_thread_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esgs_by_user_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esgs_by_user_by_event_name.test
index a3f0bdfd5c9..d0e126645db 100644
--- a/mysql-test/suite/perfschema/t/dml_esgs_by_user_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esgs_by_user_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_summary_by_user_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_summary_by_user_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esgs_global_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esgs_global_by_event_name.test
index 8f466517a90..bca0e4ededc 100644
--- a/mysql-test/suite/perfschema/t/dml_esgs_global_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esgs_global_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_summary_global_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_summary_global_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esms_by_account_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esms_by_account_by_event_name.test
index 92e58c83a56..f86baaef040 100644
--- a/mysql-test/suite/perfschema/t/dml_esms_by_account_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_by_account_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_summary_by_account_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_summary_by_account_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esms_by_digest.test b/mysql-test/suite/perfschema/t/dml_esms_by_digest.test
index b71c6f2815b..5bdeeb1085e 100644
--- a/mysql-test/suite/perfschema/t/dml_esms_by_digest.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_by_digest.test
@@ -61,3 +61,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_summary_by_digest WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_summary_by_digest';
diff --git a/mysql-test/suite/perfschema/t/dml_esms_by_host_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esms_by_host_by_event_name.test
index 7a8c0498a97..19547d991f4 100644
--- a/mysql-test/suite/perfschema/t/dml_esms_by_host_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_by_host_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_summary_by_host_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_summary_by_host_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esms_by_thread_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esms_by_thread_by_event_name.test
index 5c079ade643..f28ae4d3a40 100644
--- a/mysql-test/suite/perfschema/t/dml_esms_by_thread_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_by_thread_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_summary_by_thread_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_summary_by_thread_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esms_by_user_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esms_by_user_by_event_name.test
index 21b65e182d3..db6d2d845c3 100644
--- a/mysql-test/suite/perfschema/t/dml_esms_by_user_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_by_user_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_summary_by_user_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_summary_by_user_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_esms_global_by_event_name.test b/mysql-test/suite/perfschema/t/dml_esms_global_by_event_name.test
index 5ef477aea6f..108efeee981 100644
--- a/mysql-test/suite/perfschema/t/dml_esms_global_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_global_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_summary_global_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_summary_global_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_events_stages_current.test b/mysql-test/suite/perfschema/t/dml_events_stages_current.test
index 8db105fe01e..20dc1927ca1 100644
--- a/mysql-test/suite/perfschema/t/dml_events_stages_current.test
+++ b/mysql-test/suite/perfschema/t/dml_events_stages_current.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_current WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_current';
diff --git a/mysql-test/suite/perfschema/t/dml_events_stages_history.test b/mysql-test/suite/perfschema/t/dml_events_stages_history.test
index 54bebc8a328..ab62e23ab87 100644
--- a/mysql-test/suite/perfschema/t/dml_events_stages_history.test
+++ b/mysql-test/suite/perfschema/t/dml_events_stages_history.test
@@ -45,3 +45,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_history WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_history';
diff --git a/mysql-test/suite/perfschema/t/dml_events_stages_history_long.test b/mysql-test/suite/perfschema/t/dml_events_stages_history_long.test
index b52f539871d..ef342f1af2c 100644
--- a/mysql-test/suite/perfschema/t/dml_events_stages_history_long.test
+++ b/mysql-test/suite/perfschema/t/dml_events_stages_history_long.test
@@ -45,3 +45,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_stages_history_long WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_stages_history_long';
diff --git a/mysql-test/suite/perfschema/t/dml_events_statements_current.test b/mysql-test/suite/perfschema/t/dml_events_statements_current.test
index 152d9b74d42..1bf00320ac8 100644
--- a/mysql-test/suite/perfschema/t/dml_events_statements_current.test
+++ b/mysql-test/suite/perfschema/t/dml_events_statements_current.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_current WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_current';
diff --git a/mysql-test/suite/perfschema/t/dml_events_statements_history.test b/mysql-test/suite/perfschema/t/dml_events_statements_history.test
index 4b84e6e7200..7e5e0d387f9 100644
--- a/mysql-test/suite/perfschema/t/dml_events_statements_history.test
+++ b/mysql-test/suite/perfschema/t/dml_events_statements_history.test
@@ -45,3 +45,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_history WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_history';
diff --git a/mysql-test/suite/perfschema/t/dml_events_statements_history_long.test b/mysql-test/suite/perfschema/t/dml_events_statements_history_long.test
index 79580fcf13e..bc481fe1c4f 100644
--- a/mysql-test/suite/perfschema/t/dml_events_statements_history_long.test
+++ b/mysql-test/suite/perfschema/t/dml_events_statements_history_long.test
@@ -45,3 +45,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_statements_history_long WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_statements_history_long';
diff --git a/mysql-test/suite/perfschema/t/dml_events_waits_current.test b/mysql-test/suite/perfschema/t/dml_events_waits_current.test
index e59802d0f25..15f1e716e26 100644
--- a/mysql-test/suite/perfschema/t/dml_events_waits_current.test
+++ b/mysql-test/suite/perfschema/t/dml_events_waits_current.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_current WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_current';
diff --git a/mysql-test/suite/perfschema/t/dml_events_waits_history.test b/mysql-test/suite/perfschema/t/dml_events_waits_history.test
index bd9ac2f438e..0ecb4c204c4 100644
--- a/mysql-test/suite/perfschema/t/dml_events_waits_history.test
+++ b/mysql-test/suite/perfschema/t/dml_events_waits_history.test
@@ -45,3 +45,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_history WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_history';
diff --git a/mysql-test/suite/perfschema/t/dml_events_waits_history_long.test b/mysql-test/suite/perfschema/t/dml_events_waits_history_long.test
index d5e9f0630e0..a5857548e01 100644
--- a/mysql-test/suite/perfschema/t/dml_events_waits_history_long.test
+++ b/mysql-test/suite/perfschema/t/dml_events_waits_history_long.test
@@ -45,3 +45,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_history_long WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_history_long';
diff --git a/mysql-test/suite/perfschema/t/dml_ews_by_account_by_event_name.test b/mysql-test/suite/perfschema/t/dml_ews_by_account_by_event_name.test
index e9eda8ece2a..ca33c15ce19 100644
--- a/mysql-test/suite/perfschema/t/dml_ews_by_account_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_ews_by_account_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_summary_by_account_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_summary_by_account_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_ews_by_host_by_event_name.test b/mysql-test/suite/perfschema/t/dml_ews_by_host_by_event_name.test
index add375bf6c1..f2123fa01f4 100644
--- a/mysql-test/suite/perfschema/t/dml_ews_by_host_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_ews_by_host_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_summary_by_host_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_summary_by_host_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_ews_by_instance.test b/mysql-test/suite/perfschema/t/dml_ews_by_instance.test
index 9b9dddfa48d..0645dadd34a 100644
--- a/mysql-test/suite/perfschema/t/dml_ews_by_instance.test
+++ b/mysql-test/suite/perfschema/t/dml_ews_by_instance.test
@@ -52,3 +52,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_summary_by_instance WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_summary_by_instance';
diff --git a/mysql-test/suite/perfschema/t/dml_ews_by_thread_by_event_name.test b/mysql-test/suite/perfschema/t/dml_ews_by_thread_by_event_name.test
index 763961dec4e..1b1e0147d12 100644
--- a/mysql-test/suite/perfschema/t/dml_ews_by_thread_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_ews_by_thread_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_summary_by_thread_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_summary_by_thread_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_ews_by_user_by_event_name.test b/mysql-test/suite/perfschema/t/dml_ews_by_user_by_event_name.test
index 1b927dd12a6..4e89ec7a925 100644
--- a/mysql-test/suite/perfschema/t/dml_ews_by_user_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_ews_by_user_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_summary_by_user_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_summary_by_user_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_ews_global_by_event_name.test b/mysql-test/suite/perfschema/t/dml_ews_global_by_event_name.test
index ac4829640fb..d32e23ff1d2 100644
--- a/mysql-test/suite/perfschema/t/dml_ews_global_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_ews_global_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_summary_global_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='events_waits_summary_global_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_file_instances.test b/mysql-test/suite/perfschema/t/dml_file_instances.test
index c708c31ed55..e5d1e9903ec 100644
--- a/mysql-test/suite/perfschema/t/dml_file_instances.test
+++ b/mysql-test/suite/perfschema/t/dml_file_instances.test
@@ -34,6 +34,13 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.file_instances WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='file_instances';
+
--echo ###
--echo ### Bug#26152751: INNODB LEAKS MEMORY, PERFORMANCE_SCHEMA FILE_INSTANCES
--echo ### #SQL-IB3129987-252773.IBD
diff --git a/mysql-test/suite/perfschema/t/dml_fs_by_event_name.test b/mysql-test/suite/perfschema/t/dml_fs_by_event_name.test
index dbf31d1963d..50c6486e625 100644
--- a/mysql-test/suite/perfschema/t/dml_fs_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_fs_by_event_name.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.file_summary_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='file_summary_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_fs_by_instance.test b/mysql-test/suite/perfschema/t/dml_fs_by_instance.test
index 5f69c2d0dc7..f175e76f1f0 100644
--- a/mysql-test/suite/perfschema/t/dml_fs_by_instance.test
+++ b/mysql-test/suite/perfschema/t/dml_fs_by_instance.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.file_summary_by_instance WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='file_summary_by_instance';
diff --git a/mysql-test/suite/perfschema/t/dml_host_cache.test b/mysql-test/suite/perfschema/t/dml_host_cache.test
index c56099ab748..3968c08fb30 100644
--- a/mysql-test/suite/perfschema/t/dml_host_cache.test
+++ b/mysql-test/suite/perfschema/t/dml_host_cache.test
@@ -41,3 +41,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.host_cache WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='host_cache';
diff --git a/mysql-test/suite/perfschema/t/dml_hosts.test b/mysql-test/suite/perfschema/t/dml_hosts.test
index d23f6f69339..83caed37d8d 100644
--- a/mysql-test/suite/perfschema/t/dml_hosts.test
+++ b/mysql-test/suite/perfschema/t/dml_hosts.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.hosts WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='hosts';
diff --git a/mysql-test/suite/perfschema/t/dml_mutex_instances.test b/mysql-test/suite/perfschema/t/dml_mutex_instances.test
index ac3a7c788a8..c0d6f2e54b6 100644
--- a/mysql-test/suite/perfschema/t/dml_mutex_instances.test
+++ b/mysql-test/suite/perfschema/t/dml_mutex_instances.test
@@ -33,3 +33,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.mutex_instances WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='mutex_instances';
diff --git a/mysql-test/suite/perfschema/t/dml_os_global_by_type.test b/mysql-test/suite/perfschema/t/dml_os_global_by_type.test
index 1ea8381bc56..010423f9205 100644
--- a/mysql-test/suite/perfschema/t/dml_os_global_by_type.test
+++ b/mysql-test/suite/perfschema/t/dml_os_global_by_type.test
@@ -55,3 +55,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.objects_summary_global_by_type WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='objects_summary_global_by_type';
diff --git a/mysql-test/suite/perfschema/t/dml_performance_timers.test b/mysql-test/suite/perfschema/t/dml_performance_timers.test
index 587c54144aa..af6d2a2aac9 100644
--- a/mysql-test/suite/perfschema/t/dml_performance_timers.test
+++ b/mysql-test/suite/perfschema/t/dml_performance_timers.test
@@ -35,3 +35,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.performance_timers WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='performance_timers';
diff --git a/mysql-test/suite/perfschema/t/dml_rwlock_instances.test b/mysql-test/suite/perfschema/t/dml_rwlock_instances.test
index 7832a02ccb8..1230c680f75 100644
--- a/mysql-test/suite/perfschema/t/dml_rwlock_instances.test
+++ b/mysql-test/suite/perfschema/t/dml_rwlock_instances.test
@@ -33,3 +33,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.rwlock_instances WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='rwlock_instances';
diff --git a/mysql-test/suite/perfschema/t/dml_session_account_connect_attrs.test b/mysql-test/suite/perfschema/t/dml_session_account_connect_attrs.test
index 82768cb0d6b..3ed60c5780c 100644
--- a/mysql-test/suite/perfschema/t/dml_session_account_connect_attrs.test
+++ b/mysql-test/suite/perfschema/t/dml_session_account_connect_attrs.test
@@ -1,3 +1,5 @@
+# Tests for PERFORMANCE_SCHEMA
+
--source include/not_embedded.inc
--source include/have_perfschema.inc
@@ -36,3 +38,10 @@ UNLOCK TABLES;
-- error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.session_account_connect_attrs WRITE;
UNLOCK TABLES;
+
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='session_account_connect_attrs';
diff --git a/mysql-test/suite/perfschema/t/dml_session_connect_attrs.test b/mysql-test/suite/perfschema/t/dml_session_connect_attrs.test
index db2bcb7afd6..b0a40d73a7b 100644
--- a/mysql-test/suite/perfschema/t/dml_session_connect_attrs.test
+++ b/mysql-test/suite/perfschema/t/dml_session_connect_attrs.test
@@ -1,3 +1,5 @@
+# Tests for PERFORMANCE_SCHEMA
+
--source include/not_embedded.inc
--source include/have_perfschema.inc
@@ -36,3 +38,10 @@ UNLOCK TABLES;
-- error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.session_connect_attrs WRITE;
UNLOCK TABLES;
+
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='session_connect_attrs';
diff --git a/mysql-test/suite/perfschema/t/dml_setup_actors.test b/mysql-test/suite/perfschema/t/dml_setup_actors.test
index f74fa9b5581..e6c17de37dc 100644
--- a/mysql-test/suite/perfschema/t/dml_setup_actors.test
+++ b/mysql-test/suite/perfschema/t/dml_setup_actors.test
@@ -139,3 +139,9 @@ insert into performance_schema.setup_actors
select * from test.setup_actors;
drop table test.setup_actors;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='setup_actors';
diff --git a/mysql-test/suite/perfschema/t/dml_setup_consumers.test b/mysql-test/suite/perfschema/t/dml_setup_consumers.test
index 7a95e5d48c1..78eeca01990 100644
--- a/mysql-test/suite/perfschema/t/dml_setup_consumers.test
+++ b/mysql-test/suite/perfschema/t/dml_setup_consumers.test
@@ -38,3 +38,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.setup_consumers WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='setup_consumers';
diff --git a/mysql-test/suite/perfschema/t/dml_setup_instruments.test b/mysql-test/suite/perfschema/t/dml_setup_instruments.test
index 9d178ef201c..f66f8d28176 100644
--- a/mysql-test/suite/perfschema/t/dml_setup_instruments.test
+++ b/mysql-test/suite/perfschema/t/dml_setup_instruments.test
@@ -101,3 +101,10 @@ ORDER BY RAND();
update performance_schema.setup_instruments
set enabled='YES', TIMED='YES';
+
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='setup_instruments';
diff --git a/mysql-test/suite/perfschema/t/dml_setup_objects.test b/mysql-test/suite/perfschema/t/dml_setup_objects.test
index 1f4765a0c70..3055cd8b007 100644
--- a/mysql-test/suite/perfschema/t/dml_setup_objects.test
+++ b/mysql-test/suite/perfschema/t/dml_setup_objects.test
@@ -94,3 +94,9 @@ insert into performance_schema.setup_objects
select * from test.setup_objects;
drop table test.setup_objects;
SET sql_mode = default;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='setup_objects';
diff --git a/mysql-test/suite/perfschema/t/dml_setup_timers.test b/mysql-test/suite/perfschema/t/dml_setup_timers.test
index 10988d54bc3..6a90c669bf2 100644
--- a/mysql-test/suite/perfschema/t/dml_setup_timers.test
+++ b/mysql-test/suite/perfschema/t/dml_setup_timers.test
@@ -68,3 +68,9 @@ update performance_schema.setup_timers
select * from performance_schema.setup_timers;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='setup_timers';
diff --git a/mysql-test/suite/perfschema/t/dml_socket_instances.test b/mysql-test/suite/perfschema/t/dml_socket_instances.test
index 929853d574e..2f92c0f5c6e 100644
--- a/mysql-test/suite/perfschema/t/dml_socket_instances.test
+++ b/mysql-test/suite/perfschema/t/dml_socket_instances.test
@@ -33,3 +33,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.socket_instances WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='socket_instances';
diff --git a/mysql-test/suite/perfschema/t/dml_socket_summary_by_event_name.test b/mysql-test/suite/perfschema/t/dml_socket_summary_by_event_name.test
index 2c06fca77e4..3fbea327e37 100644
--- a/mysql-test/suite/perfschema/t/dml_socket_summary_by_event_name.test
+++ b/mysql-test/suite/perfschema/t/dml_socket_summary_by_event_name.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.socket_summary_by_event_name WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='socket_summary_by_event_name';
diff --git a/mysql-test/suite/perfschema/t/dml_socket_summary_by_instance.test b/mysql-test/suite/perfschema/t/dml_socket_summary_by_instance.test
index 5a5d829308c..d55cf2434de 100644
--- a/mysql-test/suite/perfschema/t/dml_socket_summary_by_instance.test
+++ b/mysql-test/suite/perfschema/t/dml_socket_summary_by_instance.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.socket_summary_by_instance WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='socket_summary_by_instance';
diff --git a/mysql-test/suite/perfschema/t/dml_threads.test b/mysql-test/suite/perfschema/t/dml_threads.test
index 328f6a6d989..f6239d58690 100644
--- a/mysql-test/suite/perfschema/t/dml_threads.test
+++ b/mysql-test/suite/perfschema/t/dml_threads.test
@@ -48,3 +48,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.threads WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='threads';
diff --git a/mysql-test/suite/perfschema/t/dml_tiws_by_index_usage.test b/mysql-test/suite/perfschema/t/dml_tiws_by_index_usage.test
index ecd83987291..e3b6405a782 100644
--- a/mysql-test/suite/perfschema/t/dml_tiws_by_index_usage.test
+++ b/mysql-test/suite/perfschema/t/dml_tiws_by_index_usage.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.table_io_waits_summary_by_index_usage WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='table_io_waits_summary_by_index_usage';
diff --git a/mysql-test/suite/perfschema/t/dml_tiws_by_table.test b/mysql-test/suite/perfschema/t/dml_tiws_by_table.test
index 4d2f9b7fba5..c00cec31bc5 100644
--- a/mysql-test/suite/perfschema/t/dml_tiws_by_table.test
+++ b/mysql-test/suite/perfschema/t/dml_tiws_by_table.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.table_io_waits_summary_by_table WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='table_io_waits_summary_by_table';
diff --git a/mysql-test/suite/perfschema/t/dml_tlws_by_table.test b/mysql-test/suite/perfschema/t/dml_tlws_by_table.test
index b88ca1a66aa..ab76d85ffad 100644
--- a/mysql-test/suite/perfschema/t/dml_tlws_by_table.test
+++ b/mysql-test/suite/perfschema/t/dml_tlws_by_table.test
@@ -40,3 +40,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.table_lock_waits_summary_by_table WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='table_lock_waits_summary_by_table';
diff --git a/mysql-test/suite/perfschema/t/dml_users.test b/mysql-test/suite/perfschema/t/dml_users.test
index 290a6d7f253..68942d27763 100644
--- a/mysql-test/suite/perfschema/t/dml_users.test
+++ b/mysql-test/suite/perfschema/t/dml_users.test
@@ -39,3 +39,9 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.users WRITE;
UNLOCK TABLES;
+--echo #
+--echo # MDEV-25325 column_comment for performance_schema tables
+--echo #
+select column_name, column_comment
+from information_schema.columns
+where table_schema='performance_schema' and table_name='users';
diff --git a/mysql-test/suite/perfschema/t/table_schema.test b/mysql-test/suite/perfschema/t/table_schema.test
index ce53c088c51..935bd667f2d 100644
--- a/mysql-test/suite/perfschema/t/table_schema.test
+++ b/mysql-test/suite/perfschema/t/table_schema.test
@@ -55,3 +55,8 @@ select count(*) into @count_object_unsigned from information_schema.columns
select (@count_object_columns - @count_object_unsigned) = 0;
+# Confirm that all columns have comments
+#
+select count(*) from information_schema.columns
+ where table_schema="performance_schema"
+ and (column_comment is null or column_comment = '');