Merge rurik.mysql.com:/home/igor/mysql-5.0 (7b969ddd) · Commits · Software / OSDI20 Artifacts / mariadb

mysql-test/r/join_nested.result

+55 −0

Original line number	Diff line number	Diff line
		@@ -1343,3 +1343,58 @@ id select_type table type possible_keys key key_len ref rows Extra
		1 SIMPLE t2 ALL NULL NULL NULL NULL 0
		1 SIMPLE t3 ALL NULL NULL NULL NULL 0
		DROP TABLE t1,t2,t3;
		CREATE TABLE t1 (goods int(12) NOT NULL, price varchar(128) NOT NULL);
		INSERT INTO t1 VALUES (23, 2340), (26, 9900);
		CREATE TABLE t2 (goods int(12), name varchar(50), shop char(2));
		INSERT INTO t2 VALUES (23, 'as300', 'fr'), (26, 'as600', 'fr');
		create table t3 (groupid int(12) NOT NULL, goodsid int(12) NOT NULL);
		INSERT INTO t3 VALUES (3,23), (6,26);
		CREATE TABLE t4 (groupid int(12));
		INSERT INTO t4 VALUES (1), (2), (3), (4), (5), (6);
		SELECT * FROM
		(SELECT DISTINCT gl.groupid, gp.price
		FROM t4 gl
		LEFT JOIN
		(t3 g INNER JOIN t2 p ON g.goodsid = p.goods
		INNER JOIN t1 gp ON p.goods = gp.goods)
		ON gl.groupid = g.groupid and p.shop = 'fr') t;
		groupid price
		1 NULL
		2 NULL
		3 2340
		4 NULL
		5 NULL
		6 9900
		CREATE VIEW v1 AS
		SELECT g.groupid groupid, p.goods goods,
		p.name name, p.shop shop,
		gp.price price
		FROM t3 g INNER JOIN t2 p ON g.goodsid = p.goods
		INNER JOIN t1 gp on p.goods = gp.goods;
		CREATE VIEW v2 AS
		SELECT DISTINCT g.groupid, fr.price
		FROM t4 g
		LEFT JOIN
		v1 fr on g.groupid = fr.groupid and fr.shop = 'fr';
		SELECT * FROM v2;
		groupid price
		1 NULL
		2 NULL
		3 2340
		4 NULL
		5 NULL
		6 9900
		SELECT * FROM
		(SELECT DISTINCT g.groupid, fr.price
		FROM t4 g
		LEFT JOIN
		v1 fr on g.groupid = fr.groupid and fr.shop = 'fr') t;
		groupid price
		1 NULL
		2 NULL
		3 2340
		4 NULL
		5 NULL
		6 9900
		DROP VIEW v1,v2;
		DROP TABLE t1,t2,t3,t4;

+48 −0

Original line number	Diff line number	Diff line
		@@ -770,3 +770,51 @@ SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON c21=c31) ON c11=c21;
		EXPLAIN SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON c21=c31) ON c11=c21;

		DROP TABLE t1,t2,t3;

		#
		# Bug #12154: creation of temp table for a query with nested outer join
		#

		CREATE TABLE t1 (goods int(12) NOT NULL, price varchar(128) NOT NULL);
		INSERT INTO t1 VALUES (23, 2340), (26, 9900);

		CREATE TABLE t2 (goods int(12), name varchar(50), shop char(2));
		INSERT INTO t2 VALUES (23, 'as300', 'fr'), (26, 'as600', 'fr');

		create table t3 (groupid int(12) NOT NULL, goodsid int(12) NOT NULL);
		INSERT INTO t3 VALUES (3,23), (6,26);

		CREATE TABLE t4 (groupid int(12));
		INSERT INTO t4 VALUES (1), (2), (3), (4), (5), (6);

		SELECT * FROM
		(SELECT DISTINCT gl.groupid, gp.price
		FROM t4 gl
		LEFT JOIN
		(t3 g INNER JOIN t2 p ON g.goodsid = p.goods
		INNER JOIN t1 gp ON p.goods = gp.goods)
		ON gl.groupid = g.groupid and p.shop = 'fr') t;

		CREATE VIEW v1 AS
		SELECT g.groupid groupid, p.goods goods,
		p.name name, p.shop shop,
		gp.price price
		FROM t3 g INNER JOIN t2 p ON g.goodsid = p.goods
		INNER JOIN t1 gp on p.goods = gp.goods;

		CREATE VIEW v2 AS
		SELECT DISTINCT g.groupid, fr.price
		FROM t4 g
		LEFT JOIN
		v1 fr on g.groupid = fr.groupid and fr.shop = 'fr';

		SELECT * FROM v2;

		SELECT * FROM
		(SELECT DISTINCT g.groupid, fr.price
		FROM t4 g
		LEFT JOIN
		v1 fr on g.groupid = fr.groupid and fr.shop = 'fr') t;

		DROP VIEW v1,v2;
		DROP TABLE t1,t2,t3,t4;

+6 −0

Original line number	Diff line number	Diff line
		@@ -1450,6 +1450,12 @@ inline void setup_table_map(TABLE table, TABLE_LIST table_list, uint tablenr)
		table->status= STATUS_NO_RECORD;
		table->keys_in_use_for_query= table->s->keys_in_use;
		table->maybe_null= table_list->outer_join;
		TABLE_LIST *embedding= table_list->embedding;
		while (!table->maybe_null && embedding)
		{
		table->maybe_null= embedding->outer_join;
		embedding= embedding->embedding;
		}
		table->tablenr= tablenr;
		table->map= (table_map) 1 << tablenr;
		table->force_index= table_list->force_index;