Merge 10.2 into 10.3

1 files changed, 70 insertions, 0 deletions

diff --git a/mysql-test/main/stat_tables.result b/mysql-test/main/stat_tables.result
index be868e55e84..7fd0b5902ec 100644
--- a/mysql-test/main/stat_tables.result
+++ b/mysql-test/main/stat_tables.result
@@ -625,6 +625,76 @@ MAX(pk)
 NULL
 DROP TABLE t1;
 #
+# MDEV-17605: SHOW INDEXES with use_stat_tables='preferably'
+#
+set use_stat_tables='preferably';
+CREATE DATABASE dbt3_s001;
+use dbt3_s001;
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='extended_keys=off';
+select * from mysql.table_stats;
+db_name	table_name	cardinality
+dbt3_s001	lineitem	6005
+select * from mysql.index_stats;
+db_name	table_name	index_name	prefix_arity	avg_frequency
+dbt3_s001	lineitem	PRIMARY	1	4.0033
+dbt3_s001	lineitem	PRIMARY	2	1.0000
+dbt3_s001	lineitem	i_l_shipdate	1	2.6500
+dbt3_s001	lineitem	i_l_suppkey_partkey	1	30.0250
+dbt3_s001	lineitem	i_l_suppkey_partkey	2	8.5786
+dbt3_s001	lineitem	i_l_partkey	1	30.0250
+dbt3_s001	lineitem	i_l_suppkey	1	600.5000
+dbt3_s001	lineitem	i_l_receiptdate	1	2.6477
+dbt3_s001	lineitem	i_l_orderkey	1	4.0033
+dbt3_s001	lineitem	i_l_orderkey_quantity	1	4.0033
+dbt3_s001	lineitem	i_l_orderkey_quantity	2	1.0404
+dbt3_s001	lineitem	i_l_commitdate	1	2.7160
+SHOW INDEXES FROM lineitem;
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
+lineitem	0	PRIMARY	1	l_orderkey	A	1500	NULL	NULL		BTREE		
+lineitem	0	PRIMARY	2	l_linenumber	A	6005	NULL	NULL		BTREE		
+lineitem	1	i_l_shipdate	1	l_shipDATE	A	2266	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_suppkey_partkey	1	l_partkey	A	200	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_suppkey_partkey	2	l_suppkey	A	699	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_partkey	1	l_partkey	A	200	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_suppkey	1	l_suppkey	A	10	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_receiptdate	1	l_receiptDATE	A	2268	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_orderkey	1	l_orderkey	A	1500	NULL	NULL		BTREE		
+lineitem	1	i_l_orderkey_quantity	1	l_orderkey	A	1500	NULL	NULL		BTREE		
+lineitem	1	i_l_orderkey_quantity	2	l_quantity	A	5771	NULL	NULL	YES	BTREE		
+lineitem	1	i_l_commitdate	1	l_commitDATE	A	2210	NULL	NULL	YES	BTREE		
+SELECT * FROM INFORMATION_SCHEMA.STATISTICS WHERE table_name='lineitem';
+TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT	INDEX_COMMENT
+def	dbt3_s001	lineitem	0	dbt3_s001	PRIMARY	1	l_orderkey	A	1500	NULL	NULL		BTREE		
+def	dbt3_s001	lineitem	0	dbt3_s001	PRIMARY	2	l_linenumber	A	6005	NULL	NULL		BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_shipdate	1	l_shipDATE	A	2266	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_suppkey_partkey	1	l_partkey	A	200	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_suppkey_partkey	2	l_suppkey	A	699	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_partkey	1	l_partkey	A	200	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_suppkey	1	l_suppkey	A	10	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_receiptdate	1	l_receiptDATE	A	2268	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_orderkey	1	l_orderkey	A	1500	NULL	NULL		BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_orderkey_quantity	1	l_orderkey	A	1500	NULL	NULL		BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_orderkey_quantity	2	l_quantity	A	5771	NULL	NULL	YES	BTREE		
+def	dbt3_s001	lineitem	1	dbt3_s001	i_l_commitdate	1	l_commitDATE	A	2210	NULL	NULL	YES	BTREE		
+SELECT
+COUNT(DISTINCT l_orderkey), COUNT(DISTINCT l_orderkey,l_linenumber),
+COUNT(DISTINCT l_shipDATE),
+COUNT(DISTINCT l_partkey), COUNT(DISTINCT l_partkey,l_suppkey),
+COUNT(DISTINCT l_suppkey), COUNT(DISTINCT l_receiptDATE),
+COUNT(DISTINCT l_orderkey, l_quantity), COUNT(DISTINCT l_commitDATE)
+FROM lineitem;
+COUNT(DISTINCT l_orderkey)	COUNT(DISTINCT l_orderkey,l_linenumber)	COUNT(DISTINCT l_shipDATE)	COUNT(DISTINCT l_partkey)	COUNT(DISTINCT l_partkey,l_suppkey)	COUNT(DISTINCT l_suppkey)	COUNT(DISTINCT l_receiptDATE)	COUNT(DISTINCT l_orderkey, l_quantity)	COUNT(DISTINCT l_commitDATE)
+1500	6005	2266	200	700	10	2268	5772	2211
+set optimizer_switch=@save_optimizer_switch;
+DROP DATABASE dbt3_s001;
+USE test;
+delete from mysql.table_stats;
+delete from mysql.column_stats;
+delete from mysql.index_stats;
+set @save_optimizer_switch=@@optimizer_switch;
+set use_stat_tables=@save_use_stat_tables;
+#
 # MDEV-18899: Server crashes in Field::set_warning_truncated_wrong_value
 #
 set names utf8;