Do not dump stats for read only engines' tables.

mysql-test/main/opt_context_store_ddls.result

@@ -543,13 +543,12 @@ SELECT SETVAL(db1.s1, 1);
 
 
 drop table s1;
-# no ddl should be captured here
+# ddls should be captured here
 explain select * from seq_1_to_10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	seq_1_to_10	index	NULL	PRIMARY	8	NULL	10	Using index
 # == Optimizer Context Tables
 name
-db1.seq_1_to_10
 # === Optimizer Context DDLs
 @ddls
 CREATE TABLE IF NOT EXISTS `seq_1_to_10` (
@@ -558,5 +557,18 @@ CREATE TABLE IF NOT EXISTS `seq_1_to_10` (
 ) ENGINE=SEQUENCE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci;
 
 
+explain select * from seq_1_to_15_step_2 where seq = 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	seq_1_to_15_step_2	const	PRIMARY	PRIMARY	8	const	1	Using index
+# == Optimizer Context Tables
+name
+# === Optimizer Context DDLs
+@ddls
+CREATE TABLE IF NOT EXISTS `seq_1_to_15_step_2` (
+  `seq` bigint(20) unsigned NOT NULL,
+  PRIMARY KEY (`seq`)
+) ENGINE=SEQUENCE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci;
+
+
 # End of 13.1 tests
 drop database db1;

mysql-test/main/opt_context_store_ddls.test

@@ -321,9 +321,11 @@ explain select * from s1;
 --source include/opt_context_list_tables_ddls.inc
 drop table s1;
 
---echo # no ddl should be captured here
+--echo # ddls should be captured here
 explain select * from seq_1_to_10;
 --source include/opt_context_list_tables_ddls.inc
+explain select * from seq_1_to_15_step_2 where seq = 5;
+--source include/opt_context_list_tables_ddls.inc
 
 --echo # End of 13.1 tests
 

mysql-test/main/opt_context_store_stats.result

@@ -603,7 +603,16 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 # === Tables
 # Tables in the context
 table_name	file_stat_records	index_name	rec_per_key
-test.seq_1_to_10	10	PRIMARY	["0"]
+# === Range accesses
+index_name	ranges	num_rows	max_index_blocks	max_row_blocks
+# == End of optimizer context
+explain select * from seq_1_to_15_step_2 where seq = 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	seq_1_to_15_step_2	const	PRIMARY	PRIMARY	8	const	1	Using index
+# == Optimizer Context
+# === Tables
+# Tables in the context
+table_name	file_stat_records	index_name	rec_per_key
 # === Range accesses
 index_name	ranges	num_rows	max_index_blocks	max_row_blocks
 # == End of optimizer context

mysql-test/main/opt_context_store_stats.test

@@ -443,6 +443,9 @@ explain select * from seq_1_to_10;
 
 --source include/opt_context_list_tables_and_ranges.inc
 
+explain select * from seq_1_to_15_step_2 where seq = 5;
+--source include/opt_context_list_tables_and_ranges.inc
+
 --echo #
 --echo # partitioned table test
 --echo # context result should have stats for this table

sql/opt_context_store_replay.cc

@@ -844,6 +844,16 @@ bool Optimizer_context_recorder::dump_sql_script(THD* thd, String &sql_script)
 
       continue;
     }
+    else if (tbl->table->s->db_type() &&
+             tbl->table->s->db_type()->discover_table)
+    {
+      /*
+        No need to collect stats, and record const rows for
+        sequence tables such as seq_1_to_10 or
+        other read only engines' (Archive, S3, PerfSchema) tables.
+      */
+      continue;
+    }
 
     /* No, it's a base table */
     Json_writer_object ctx_wrapper(&ctx_writer);