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1
by brian
clean slate |
1 |
drop table if exists t1,t2; |
2 |
CREATE TABLE t1 ( `id` int(11) NOT NULL default '0', `id2` int(11) NOT NULL default '0', `id3` int(11) NOT NULL default '0', `dummy1` char(30) default NULL, PRIMARY KEY (`id`,`id2`), KEY `index_id3` (`id3`)) ENGINE=MyISAM; |
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insert into t1 (id,id2) values (1,1),(1,2),(1,3); |
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LOCK TABLE t1 WRITE; |
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select dummy1,count(distinct id) from t1 group by dummy1; |
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6 |
dummy1 count(distinct id) |
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NULL 1 |
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8 |
update t1 set id=-1 where id=1; |
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LOCK TABLE t1 READ; |
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10 |
update t1 set id=1 where id=1; |
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11 |
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated |
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12 |
create table t2 SELECT * from t1;
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13 |
ERROR HY000: Table 't2' was not locked with LOCK TABLES |
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14 |
create temporary table t2 SELECT * from t1;
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15 |
drop table if exists t2;
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16 |
unlock tables;
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17 |
create table t2 SELECT * from t1;
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LOCK TABLE t1 WRITE,t2 write;
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insert into t2 SELECT * from t1;
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20 |
update t1 set id=1 where id=-1;
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21 |
drop table t1,t2;
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22 |
CREATE TABLE t1 (
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23 |
index1 smallint(6) default NULL,
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24 |
nr smallint(6) default NULL,
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25 |
KEY index1(index1)
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) ENGINE=MyISAM;
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27 |
CREATE TABLE t2 (
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28 |
nr smallint(6) default NULL,
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29 |
name varchar(20) default NULL
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) ENGINE=MyISAM;
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31 |
INSERT INTO t2 VALUES (1,'item1'); |
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32 |
INSERT INTO t2 VALUES (2,'item2'); |
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33 |
lock tables t1 write, t2 read;
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34 |
insert into t1 select 1,nr from t2 where name='item1'; |
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35 |
insert into t1 select 2,nr from t2 where name='item2'; |
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36 |
unlock tables;
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37 |
check table t1;
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38 |
Table Op Msg_type Msg_text
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39 |
test.t1 check status OK
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40 |
lock tables t1 write;
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41 |
check table t2;
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42 |
Table Op Msg_type Msg_text
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43 |
test.t2 check Error Table 't2' was not locked with LOCK TABLES |
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44 |
test.t2 check status OK
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45 |
insert into t1 select index1,nr from t1;
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46 |
ERROR HY000: Table 't1' was not locked with LOCK TABLES |
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47 |
unlock tables;
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48 |
lock tables t1 write, t1 as t1_alias read;
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49 |
insert into t1 select index1,nr from t1 as t1_alias;
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50 |
drop table t1,t2;
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51 |
ERROR HY000: Table 't2' was not locked with LOCK TABLES |
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52 |
unlock tables;
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53 |
drop table t1,t2;
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54 |
create table t1 (c1 int);
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55 |
create table t2 (c1 int);
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56 |
create table t3 (c1 int);
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57 |
lock tables t1 write, t2 write, t3 write;
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58 |
drop table t2, t3, t1;
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59 |
create table t1 (c1 int);
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60 |
create table t2 (c1 int);
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61 |
create table t3 (c1 int);
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62 |
lock tables t1 write, t2 write, t3 write, t1 as t4 read;
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63 |
alter table t2 add column c2 int;
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64 |
drop table t1, t2, t3;
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65 |
create table t1 ( a int(11) not null auto_increment, primary key(a));
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66 |
create table t2 ( a int(11) not null auto_increment, primary key(a));
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67 |
lock tables t1 write, t2 read;
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68 |
delete from t1 using t1,t2 where t1.a=t2.a;
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69 |
delete t1 from t1,t2 where t1.a=t2.a;
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70 |
delete from t2 using t1,t2 where t1.a=t2.a;
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71 |
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated |
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72 |
delete t2 from t1,t2 where t1.a=t2.a; |
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73 |
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated |
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74 |
drop table t1,t2;
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75 |
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated |
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76 |
unlock tables; |
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77 |
drop table t2,t1; |
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78 |
End of 4.1 tests. |
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79 |
drop table if exists t1; |
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80 |
create table t1 (a int); |
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81 |
lock table t1 write; |
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82 |
flush tables with read lock; |
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83 |
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction |
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84 |
unlock tables;
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85 |
drop table t1;
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86 |
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87 |
Cleanup.
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88 |
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89 |
End of 5.1 tests.
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