Merge olga.mysql.com:/home/igor/dev-opt/mysql-4.1-opt-bug28272 (fea67e68) · Commits · Software / OSDI20 Artifacts / mariadb

mysql-test/r/innodb_mysql.result

+21 −0

Original line number	Diff line number	Diff line
		@@ -144,6 +144,27 @@ SELECT * FROM t1;
		c1 cnt
		1a 2
		DROP TABLE t1;
		CREATE TABLE t1 (
		a1 decimal(10,0) DEFAULT NULL,
		a2 blob,
		a3 time DEFAULT NULL,
		a4 blob,
		a5 char(175) DEFAULT NULL,
		a6 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
		a7 tinyblob,
		INDEX idx (a6,a7(239),a5)
		) ENGINE=InnoDB;
		EXPLAIN SELECT a4 FROM t1 WHERE
		a6=NULL AND
		a4='UNcT5pIde4I6c2SheTo4gt92OV1jgJCVkXmzyf325R1DwLURkbYHwhydANIZMbKTgdcR5xS';
		id select_type table type possible_keys key key_len ref rows Extra
		1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
		EXPLAIN SELECT t1.a4 FROM t1, t1 t WHERE
		t.a6=t.a6 AND t1.a6=NULL AND
		t1.a4='UNcT5pIde4I6c2SheTo4gt92OV1jgJCVkXmzyf325R1DwLURkbYHwhydANIZMbKTgdcR5xS';
		id select_type table type possible_keys key key_len ref rows Extra
		1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
		DROP TABLE t1;
		End of 4.1 tests
		create table t1m (a int) engine=myisam;
		create table t1i (a int) engine=innodb;

+25 −0

Original line number	Diff line number	Diff line
		@@ -169,6 +169,31 @@ INSERT INTO t1 (c1) VALUES ('1b') ON DUPLICATE KEY UPDATE cnt=cnt+1;
		SELECT * FROM t1;
		DROP TABLE t1;

		#
		# Bug #28272: EXPLAIN for SELECT from an empty InnoDB table
		#

		CREATE TABLE t1 (
		a1 decimal(10,0) DEFAULT NULL,
		a2 blob,
		a3 time DEFAULT NULL,
		a4 blob,
		a5 char(175) DEFAULT NULL,
		a6 timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
		a7 tinyblob,
		INDEX idx (a6,a7(239),a5)
		) ENGINE=InnoDB;

		EXPLAIN SELECT a4 FROM t1 WHERE
		a6=NULL AND
		a4='UNcT5pIde4I6c2SheTo4gt92OV1jgJCVkXmzyf325R1DwLURkbYHwhydANIZMbKTgdcR5xS';

		EXPLAIN SELECT t1.a4 FROM t1, t1 t WHERE
		t.a6=t.a6 AND t1.a6=NULL AND
		t1.a4='UNcT5pIde4I6c2SheTo4gt92OV1jgJCVkXmzyf325R1DwLURkbYHwhydANIZMbKTgdcR5xS';

		DROP TABLE t1;

		--echo End of 4.1 tests
		#
		# Bug #12882 min/max inconsistent on empty table

+6 −0

Original line number	Diff line number	Diff line
		@@ -976,6 +976,12 @@ JOIN::optimize()
		}
		}

		if (conds &&!outer_join && const_table_map != found_const_table_map &&
		(select_options & SELECT_DESCRIBE) &&
		select_lex->master_unit() == &thd->lex->unit) // upper level SELECT
		{
		conds=new Item_int((longlong) 0,1); // Always false
		}
		if (make_join_select(this, select, conds))
		{
		zero_result_cause=