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1
by brian
clean slate |
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drop table if exists t1,t2;
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drop database if exists mysqltest;
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create temporary table t1(n int not null primary key);
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create table t2(n int);
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insert into t2 values(3);
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select * from t1;
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n
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8 |
3
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9 |
flush tables with read lock;
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drop table t2;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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drop table t2;
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unlock tables;
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create database mysqltest;
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create table mysqltest.t1(n int);
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insert into mysqltest.t1 values (23);
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flush tables with read lock;
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drop database mysqltest;
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select * from mysqltest.t1;
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20 |
n
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21 |
23
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22 |
unlock tables;
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23 |
create table t1 (n int);
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24 |
flush tables with read lock;
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insert into t1 values (345);
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select * from t1;
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27 |
n
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28 |
345
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29 |
drop table t1;
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30 |
create table t1 (c1 int);
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31 |
lock table t1 write;
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32 |
flush tables with read lock;
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33 |
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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34 |
lock table t1 read;
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35 |
flush tables with read lock;
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36 |
lock table t1 write;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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38 |
lock table t1 read;
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39 |
lock table t1 write;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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41 |
unlock tables;
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42 |
create table t2 (c1 int);
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43 |
create table t3 (c1 int);
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44 |
lock table t1 read, t2 read, t3 write;
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45 |
flush tables with read lock;
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46 |
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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47 |
lock table t1 read, t2 read, t3 read;
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48 |
flush tables with read lock;
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49 |
unlock tables;
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50 |
drop table t1, t2, t3;
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51 |
create table t1 (c1 int);
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52 |
create table t2 (c1 int);
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53 |
lock table t1 write;
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flush tables with read lock;
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55 |
insert into t2 values(1);
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56 |
unlock tables;
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57 |
drop table t1, t2;
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58 |
drop table if exists t1, t2;
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59 |
set session low_priority_updates=1;
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60 |
create table t1 (a int);
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61 |
create table t2 (b int);
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lock tables t1 write;
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63 |
flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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65 |
unlock tables;
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66 |
lock tables t1 read, t2 write;
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67 |
flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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69 |
unlock tables;
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70 |
lock tables t1 read;
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71 |
flush tables with read lock;
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72 |
unlock tables;
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73 |
drop table t1, t2;
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74 |
set session low_priority_updates=default;
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75 |
select benchmark(200, (select sin(1))) > 1000;
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76 |
End of 5.0 tests
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set @old_general_log= @@general_log;
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set @old_read_only= @@read_only;
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set global general_log= on;
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flush tables with read lock;
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81 |
flush logs;
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unlock tables;
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set global read_only=1;
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84 |
flush logs;
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85 |
unlock tables;
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86 |
flush tables with read lock;
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87 |
flush logs;
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unlock tables;
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set global general_log= @old_general_log;
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set global read_only= @old_read_only;
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End of 5.1 tests
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