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mirror of https://github.com/MariaDB/server.git synced 2025-08-07 00:04:31 +03:00

Merge dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.0-opt

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.1-opt


BitKeeper/deleted/.del-bdb.result:
  Auto merged
mysql-test/r/func_gconcat.result:
  Auto merged
mysql-test/r/group_min_max.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/merge.result:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/olap.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/type_decimal.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/func_gconcat.test:
  Auto merged
mysql-test/t/group_min_max.test:
  Auto merged
mysql-test/t/select.test:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/opt_range.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_select.h:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/table.cc:
  Auto merged
include/my_base.h:
  SCCS merged
mysql-test/include/mix1.inc:
  SCCS merged
mysql-test/r/group_by.result:
  SCCS merged
mysql-test/r/innodb_mysql.result:
  SCCS merged
mysql-test/t/group_by.test:
  SCCS merged
sql/sql_select.cc:
  SCCS merged
This commit is contained in:
unknown
2006-10-19 16:43:46 +02:00
39 changed files with 1022 additions and 167 deletions

View File

@@ -290,6 +290,22 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index NULL fkey 5 NULL 5 Using index
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.fkey 1 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT, c FLOAT, KEY b(b)) ENGINE = INNODB;
INSERT INTO t1 VALUES ( 1 , 1 , 1);
INSERT INTO t1 SELECT a + 1 , MOD(a + 1 , 20), 1 FROM t1;
INSERT INTO t1 SELECT a + 2 , MOD(a + 2 , 20), 1 FROM t1;
INSERT INTO t1 SELECT a + 4 , MOD(a + 4 , 20), 1 FROM t1;
INSERT INTO t1 SELECT a + 8 , MOD(a + 8 , 20), 1 FROM t1;
INSERT INTO t1 SELECT a + 16, MOD(a + 16, 20), 1 FROM t1;
INSERT INTO t1 SELECT a + 32, MOD(a + 32, 20), 1 FROM t1;
INSERT INTO t1 SELECT a + 64, MOD(a + 64, 20), 1 FROM t1;
EXPLAIN SELECT b, SUM(c) FROM t1 GROUP BY b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL b 5 NULL 128
EXPLAIN SELECT SQL_BIG_RESULT b, SUM(c) FROM t1 GROUP BY b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 128 Using filesort
DROP TABLE t1;
CREATE TABLE t1 (a int, b int);
insert into t1 values (1,1),(1,2);
CREATE TABLE t2 (primary key (a)) select * from t1;