MDEV-16760 CREATE OR REPLACE TABLE never updates statistical tables

If the command CREATE OR REPLACE TABLE really replaces a table then
it should remove all data on this table from all statistical tables.

2 files changed, 50 insertions, 0 deletions

diff --git a/mysql-test/r/stat_tables.result b/mysql-test/r/stat_tables.result
index e6b675060a5..c1457d5e91a 100644
--- a/mysql-test/r/stat_tables.result
+++ b/mysql-test/r/stat_tables.result
@@ -552,3 +552,28 @@ pk
 2
 DROP TABLE t1;
 set use_stat_tables=@save_use_stat_tables;
+#
+# MDEV-16760: CREATE OR REPLACE TABLE after ANALYZE TABLE
+#
+SET use_stat_tables= PREFERABLY;
+CREATE TABLE t1 (pk int PRIMARY KEY, c varchar(32));
+INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
+ANALYZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	OK
+SELECT * FROM t1;
+pk	c
+1	foo
+2	bar
+SELECT * FROM mysql.column_stats;
+db_name	table_name	column_name	min_value	max_value	nulls_ratio	avg_length	avg_frequency	hist_size	hist_type	histogram
+test	t1	pk	1	2	0.0000	4.0000	1.0000	0	NULL	NULL
+test	t1	c	bar	foo	0.0000	3.0000	1.0000	0	NULL	NULL
+CREATE OR REPLACE TABLE t1 (pk int PRIMARY KEY, a char(7));
+SELECT * FROM t1;
+pk	a
+SELECT * FROM mysql.column_stats;
+db_name	table_name	column_name	min_value	max_value	nulls_ratio	avg_length	avg_frequency	hist_size	hist_type	histogram
+DROP TABLE t1;
+set use_stat_tables=@save_use_stat_tables;
diff --git a/mysql-test/r/stat_tables_innodb.result b/mysql-test/r/stat_tables_innodb.result
index 04d73868cfb..2ac868e9341 100644
--- a/mysql-test/r/stat_tables_innodb.result
+++ b/mysql-test/r/stat_tables_innodb.result
@@ -579,5 +579,30 @@ pk
 2
 DROP TABLE t1;
 set use_stat_tables=@save_use_stat_tables;
+#
+# MDEV-16760: CREATE OR REPLACE TABLE after ANALYZE TABLE
+#
+SET use_stat_tables= PREFERABLY;
+CREATE TABLE t1 (pk int PRIMARY KEY, c varchar(32));
+INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
+ANALYZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	OK
+SELECT * FROM t1;
+pk	c
+1	foo
+2	bar
+SELECT * FROM mysql.column_stats;
+db_name	table_name	column_name	min_value	max_value	nulls_ratio	avg_length	avg_frequency	hist_size	hist_type	histogram
+test	t1	pk	1	2	0.0000	4.0000	1.0000	0	NULL	NULL
+test	t1	c	bar	foo	0.0000	3.0000	1.0000	0	NULL	NULL
+CREATE OR REPLACE TABLE t1 (pk int PRIMARY KEY, a char(7));
+SELECT * FROM t1;
+pk	a
+SELECT * FROM mysql.column_stats;
+db_name	table_name	column_name	min_value	max_value	nulls_ratio	avg_length	avg_frequency	hist_size	hist_type	histogram
+DROP TABLE t1;
+set use_stat_tables=@save_use_stat_tables;
 set optimizer_switch=@save_optimizer_switch_for_stat_tables_test;
 SET SESSION STORAGE_ENGINE=DEFAULT;