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configure.in: Auto merged BitKeeper/deleted/.del-violite.c~d7b85be615595ace: Auto merged BitKeeper/deleted/.del-violite.c~984c09cffe14a11b: Auto merged client/Makefile.am: Auto merged client/mysql.cc: Auto merged client/mysqlbinlog.cc: Auto merged heap/hp_test2.c: Auto merged include/global.h: Auto merged include/my_pthread.h: Auto merged include/myisam.h: Auto merged libmysql/libmysql.c: Auto merged libmysql/net.c: Auto merged myisam/sort.c: Auto merged sql-bench/test-create.sh: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/lock.cc: Auto merged sql/log_event.cc: Auto merged sql/mini_client.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/net_serv.cc: Auto merged mysql-test/t/merge.test: Auto merged sql/ha_innobase.cc: Auto merged sql/sql_base.cc: Auto merged sql/sql_lex.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_table.cc: Auto merged support-files/mysql.spec.sh: Auto merged mysql-test/t/bdb.test: Auto merged Docs/manual.texi: merge myisam/myisampack.c: merge
116 lines
3.8 KiB
Text
116 lines
3.8 KiB
Text
#
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# test of MERGE TABLES
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#
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drop table if exists t1,t2,t3;
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create table t1 (a int not null primary key auto_increment, message char(20));
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create table t2 (a int not null primary key auto_increment, message char(20));
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INSERT INTO t1 (message) VALUES ("Testing"),("table"),("t1");
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INSERT INTO t2 (message) VALUES ("Testing"),("table"),("t2");
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create table t3 (a int not null, b char(20), key(a)) type=MERGE UNION=(t1,t2);
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select * from t3;
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select * from t3 order by a desc;
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drop table t3;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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create table t3 (a int not null, b char(20), key(a)) type=MERGE UNION=(test.t1,test.t2);
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explain select * from t3 where a < 10;
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explain select * from t3 where a > 10 and a < 20;
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select * from t3 where a = 10;
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select * from t3 where a < 10;
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select * from t3 where a > 10 and a < 20;
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explain select a from t3 order by a desc limit 10;
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select a from t3 order by a desc limit 10;
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select a from t3 order by a desc limit 300,10;
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show create table t3;
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# The following should give errors
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create table t4 (a int not null, b char(10), key(a)) type=MERGE UNION=(t1,t2);
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--error 1016
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select * from t4;
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--error 1212
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create table t5 (a int not null, b char(10), key(a)) type=MERGE UNION=(test.t1,test_2.t2);
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# Because of windows, it's important that we drop the merge tables first!
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drop table if exists t5,t4,t3,t1,t2;
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create table t1 (c char(10)) type=myisam;
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create table t2 (c char(10)) type=myisam;
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create table t3 (c char(10)) union=(t1,t2) type=merge;
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insert into t1 (c) values ('test1');
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insert into t1 (c) values ('test1');
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insert into t1 (c) values ('test1');
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insert into t2 (c) values ('test2');
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insert into t2 (c) values ('test2');
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insert into t2 (c) values ('test2');
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select * from t3;
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select * from t3;
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delete from t3 where 1=1;
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select * from t3;
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select * from t1;
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drop table t3,t2,t1;
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#
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# Test 2
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#
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CREATE TABLE t1 (incr int not null, othr int not null, primary key(incr));
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CREATE TABLE t2 (incr int not null, othr int not null, primary key(incr));
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CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
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TYPE=MERGE UNION=(t1,t2);
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SELECT * from t3;
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INSERT INTO t1 VALUES ( 1,10),( 3,53),( 5,21),( 7,12),( 9,17);
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INSERT INTO t2 VALUES ( 2,24),( 4,33),( 6,41),( 8,26),( 0,32);
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INSERT INTO t1 VALUES (11,20),(13,43),(15,11),(17,22),(19,37);
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INSERT INTO t2 VALUES (12,25),(14,31),(16,42),(18,27),(10,30);
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SELECT * from t3 where incr in (1,2,3,4) order by othr;
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alter table t3 UNION=(t1);
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select count(*) from t3;
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alter table t3 UNION=(t1,t2);
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select count(*) from t3;
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alter table t3 TYPE=MYISAM;
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select count(*) from t3;
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# Test that ALTER TABLE rembers the old UNION
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drop table t3;
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CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
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TYPE=MERGE UNION=(t1,t2);
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show create table t3;
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alter table t3 drop primary key;
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show create table t3;
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drop table t3,t2,t1;
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#
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# Test table without unions
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#
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create table t1 (a int not null) type=merge;
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select * from t1;
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drop table t1;
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#
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# Bug found by Monty.
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#
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drop table if exists t3, t2, t1;
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create table t1 (a int not null, b int not null, key(a,b));
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create table t2 (a int not null, b int not null, key(a,b));
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create table t3 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2);
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insert into t1 values (1,2),(2,1),(0,0),(4,4),(5,5),(6,6);
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insert into t2 values (1,1),(2,2),(0,0),(4,4),(5,5),(6,6);
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flush tables;
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select * from t3 where a=1 order by b limit 2;
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drop table t3,t1,t2;
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