418 lines
16 KiB
Plaintext
418 lines
16 KiB
Plaintext
show profiles;
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Query_ID Duration Query
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show profile all;
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Status Duration CPU_user CPU_system Context_voluntary Context_involuntary Block_ops_in Block_ops_out Messages_sent Messages_received Page_faults_major Page_faults_minor Swaps Source_function Source_file Source_line
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show session variables like 'profil%';
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Variable_name Value
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profiling OFF
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profiling_history_size 15
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select @@profiling;
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@@profiling
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0
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set global profiling = ON;
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ERROR HY000: Variable 'profiling' is a SESSION variable and can't be used with SET GLOBAL
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set @start_value= @@global.profiling_history_size;
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set global profiling_history_size=100;
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show global variables like 'profil%';
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Variable_name Value
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profiling OFF
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profiling_history_size 100
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set session profiling = ON;
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set session profiling_history_size=30;
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show session variables like 'profil%';
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Variable_name Value
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profiling ON
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profiling_history_size 30
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select @@profiling;
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@@profiling
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1
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create table t1 (
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a int,
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b int
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);
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insert into t1 values (1,1), (2,null), (3, 4);
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insert into t1 values (5,1), (6,null), (7, 4);
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insert into t1 values (1,1), (2,null), (3, 4);
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insert into t1 values (5,1), (6,null), (7, 4);
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select max(x) from (select sum(a) as x from t1 group by b) as teeone;
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max(x)
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20
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insert into t1 select * from t1;
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select count(*) from t1;
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count(*)
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24
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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select count(*) from t1;
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count(*)
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192
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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select count(*) from t1;
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count(*)
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1536
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select sum(a) from t1;
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sum(a)
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6144
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select sum(a) from t1 group by b;
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sum(a)
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2048
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1536
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2560
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select sum(a) + sum(b) from t1 group by b;
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sum(a) + sum(b)
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NULL
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2048
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4608
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select max(x) from (select sum(a) as x from t1 group by b) as teeone;
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max(x)
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2560
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select '012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890' as big_string;
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big_string
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012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890
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show profiles;
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Query_ID Duration Query
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1 # set session profiling_history_size=30
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2 # show session variables like 'profil%'
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3 # select @@profiling
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4 # create table t1 (
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a int,
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b int
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)
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5 # insert into t1 values (1,1), (2,null), (3, 4)
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6 # insert into t1 values (5,1), (6,null), (7, 4)
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7 # insert into t1 values (1,1), (2,null), (3, 4)
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8 # insert into t1 values (5,1), (6,null), (7, 4)
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9 # select max(x) from (select sum(a) as x from t1 group by b) as teeone
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10 # insert into t1 select * from t1
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11 # select count(*) from t1
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12 # insert into t1 select * from t1
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13 # insert into t1 select * from t1
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14 # insert into t1 select * from t1
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15 # select count(*) from t1
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16 # insert into t1 select * from t1
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17 # insert into t1 select * from t1
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18 # insert into t1 select * from t1
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19 # select count(*) from t1
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20 # select sum(a) from t1
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21 # select sum(a) from t1 group by b
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22 # select sum(a) + sum(b) from t1 group by b
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23 # select max(x) from (select sum(a) as x from t1 group by b) as teeone
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24 # select '0123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345
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show profile for query 15;
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show profile cpu for query 15;
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show profile cpu, block io for query 15;
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show profile cpu for query 9 limit 2 offset 2;
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show profile cpu for query 10 limit 0;
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show profile cpu for query 65534;
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show profile memory;
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show profile block io;
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show profile context switches;
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show profile page faults;
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show profile ipc;
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show profile swaps limit 1 offset 2;
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show profile source;
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show profile all for query 0 limit 0;
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show profile all for query 15;
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select * from information_schema.profiling;
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select query_id, state, duration from information_schema.profiling;
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select query_id, sum(duration) from information_schema.profiling group by query_id;
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select query_id, count(*) from information_schema.profiling group by query_id;
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select sum(duration) from information_schema.profiling;
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select query_id, count(*), sum(duration) from information_schema.profiling group by query_id;
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select CPU_user, CPU_system, Context_voluntary, Context_involuntary, Block_ops_in, Block_ops_out, Messages_sent, Messages_received, Page_faults_major, Page_faults_minor, Swaps, Source_function, Source_file, Source_line from information_schema.profiling;
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drop table if exists t1, t2, t3;
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Warnings:
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Note 1051 Unknown table 't2'
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Note 1051 Unknown table 't3'
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create table t1 (id int );
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create table t2 (id int not null);
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create table t3 (id int not null primary key);
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insert into t1 values (1), (2), (3);
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insert into t2 values (1), (2), (3);
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insert into t3 values (1), (2), (3);
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show profiles;
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Query_ID Duration Query
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10 # insert into t1 select * from t1
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11 # select count(*) from t1
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12 # insert into t1 select * from t1
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13 # insert into t1 select * from t1
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14 # insert into t1 select * from t1
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15 # select count(*) from t1
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16 # insert into t1 select * from t1
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17 # insert into t1 select * from t1
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18 # insert into t1 select * from t1
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19 # select count(*) from t1
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20 # select sum(a) from t1
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21 # select sum(a) from t1 group by b
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22 # select sum(a) + sum(b) from t1 group by b
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23 # select max(x) from (select sum(a) as x from t1 group by b) as teeone
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24 # select '0123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345
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25 # select * from information_schema.profiling
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26 # select query_id, state, duration from information_schema.profiling
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27 # select query_id, sum(duration) from information_schema.profiling group by query_id
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28 # select query_id, count(*) from information_schema.profiling group by query_id
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29 # select sum(duration) from information_schema.profiling
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30 # select query_id, count(*), sum(duration) from information_schema.profiling group by query_id
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31 # select CPU_user, CPU_system, Context_voluntary, Context_involuntary, Block_ops_in, Block_ops_out, Messages_sent, Messages_received, Page_faults_major, Page_faults_minor, Swaps, Source_function, Source_file, Source_line from information_schema.profiling
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32 # drop table if exists t1, t2, t3
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33 # SHOW WARNINGS
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34 # create table t1 (id int )
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35 # create table t2 (id int not null)
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36 # create table t3 (id int not null primary key)
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37 # insert into t1 values (1), (2), (3)
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38 # insert into t2 values (1), (2), (3)
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39 # insert into t3 values (1), (2), (3)
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select * from t1;
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id
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1
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2
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3
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show profiles;
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Query_ID Duration Query
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11 # select count(*) from t1
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12 # insert into t1 select * from t1
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13 # insert into t1 select * from t1
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14 # insert into t1 select * from t1
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15 # select count(*) from t1
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16 # insert into t1 select * from t1
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17 # insert into t1 select * from t1
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18 # insert into t1 select * from t1
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19 # select count(*) from t1
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20 # select sum(a) from t1
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21 # select sum(a) from t1 group by b
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22 # select sum(a) + sum(b) from t1 group by b
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23 # select max(x) from (select sum(a) as x from t1 group by b) as teeone
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24 # select '0123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345
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25 # select * from information_schema.profiling
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26 # select query_id, state, duration from information_schema.profiling
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27 # select query_id, sum(duration) from information_schema.profiling group by query_id
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28 # select query_id, count(*) from information_schema.profiling group by query_id
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29 # select sum(duration) from information_schema.profiling
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30 # select query_id, count(*), sum(duration) from information_schema.profiling group by query_id
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31 # select CPU_user, CPU_system, Context_voluntary, Context_involuntary, Block_ops_in, Block_ops_out, Messages_sent, Messages_received, Page_faults_major, Page_faults_minor, Swaps, Source_function, Source_file, Source_line from information_schema.profiling
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32 # drop table if exists t1, t2, t3
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33 # SHOW WARNINGS
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34 # create table t1 (id int )
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35 # create table t2 (id int not null)
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36 # create table t3 (id int not null primary key)
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37 # insert into t1 values (1), (2), (3)
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38 # insert into t2 values (1), (2), (3)
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39 # insert into t3 values (1), (2), (3)
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40 # select * from t1
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This ^^ should end in "select * from t1;"
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delete from t1;
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insert into t1 values (1), (2), (3);
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insert into t1 values (1), (2), (3);
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select * from t1;
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id
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1
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2
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3
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1
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2
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3
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show profiles;
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Query_ID Duration Query
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15 # select count(*) from t1
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16 # insert into t1 select * from t1
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17 # insert into t1 select * from t1
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18 # insert into t1 select * from t1
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19 # select count(*) from t1
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20 # select sum(a) from t1
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21 # select sum(a) from t1 group by b
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22 # select sum(a) + sum(b) from t1 group by b
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23 # select max(x) from (select sum(a) as x from t1 group by b) as teeone
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24 # select '0123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345
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25 # select * from information_schema.profiling
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26 # select query_id, state, duration from information_schema.profiling
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27 # select query_id, sum(duration) from information_schema.profiling group by query_id
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28 # select query_id, count(*) from information_schema.profiling group by query_id
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29 # select sum(duration) from information_schema.profiling
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30 # select query_id, count(*), sum(duration) from information_schema.profiling group by query_id
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31 # select CPU_user, CPU_system, Context_voluntary, Context_involuntary, Block_ops_in, Block_ops_out, Messages_sent, Messages_received, Page_faults_major, Page_faults_minor, Swaps, Source_function, Source_file, Source_line from information_schema.profiling
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32 # drop table if exists t1, t2, t3
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33 # SHOW WARNINGS
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34 # create table t1 (id int )
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35 # create table t2 (id int not null)
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36 # create table t3 (id int not null primary key)
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37 # insert into t1 values (1), (2), (3)
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38 # insert into t2 values (1), (2), (3)
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39 # insert into t3 values (1), (2), (3)
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40 # select * from t1
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41 # delete from t1
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42 # insert into t1 values (1), (2), (3)
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43 # insert into t1 values (1), (2), (3)
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44 # select * from t1
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set session profiling = OFF;
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select sum(id) from t1;
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sum(id)
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12
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show profiles;
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Query_ID Duration Query
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15 # select count(*) from t1
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16 # insert into t1 select * from t1
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17 # insert into t1 select * from t1
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18 # insert into t1 select * from t1
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19 # select count(*) from t1
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20 # select sum(a) from t1
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21 # select sum(a) from t1 group by b
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22 # select sum(a) + sum(b) from t1 group by b
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23 # select max(x) from (select sum(a) as x from t1 group by b) as teeone
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24 # select '0123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345
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25 # select * from information_schema.profiling
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26 # select query_id, state, duration from information_schema.profiling
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27 # select query_id, sum(duration) from information_schema.profiling group by query_id
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28 # select query_id, count(*) from information_schema.profiling group by query_id
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29 # select sum(duration) from information_schema.profiling
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30 # select query_id, count(*), sum(duration) from information_schema.profiling group by query_id
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31 # select CPU_user, CPU_system, Context_voluntary, Context_involuntary, Block_ops_in, Block_ops_out, Messages_sent, Messages_received, Page_faults_major, Page_faults_minor, Swaps, Source_function, Source_file, Source_line from information_schema.profiling
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32 # drop table if exists t1, t2, t3
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33 # SHOW WARNINGS
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34 # create table t1 (id int )
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35 # create table t2 (id int not null)
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36 # create table t3 (id int not null primary key)
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37 # insert into t1 values (1), (2), (3)
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38 # insert into t2 values (1), (2), (3)
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39 # insert into t3 values (1), (2), (3)
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40 # select * from t1
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41 # delete from t1
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42 # insert into t1 values (1), (2), (3)
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43 # insert into t1 values (1), (2), (3)
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44 # select * from t1
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set session profiling = ON;
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select @@profiling;
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@@profiling
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1
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create function f1() returns varchar(50) return 'hello';
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select @@profiling;
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@@profiling
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1
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select * from t1 where id <> f1();
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id
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1
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2
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3
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1
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2
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3
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select @@profiling;
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@@profiling
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1
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set session profiling = OFF;
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drop table if exists profile_log;
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Warnings:
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Note 1051 Unknown table 'profile_log'
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create table profile_log (how_many int);
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drop procedure if exists p1;
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drop procedure if exists p2;
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drop procedure if exists p3;
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create procedure p1 ()
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modifies sql data
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begin
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set profiling = ON;
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select 'This p1 should show up in profiling';
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insert into profile_log select count(*) from information_schema.profiling;
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end//
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create procedure p2()
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deterministic
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begin
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set profiling = ON;
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call p1();
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select 'This p2 should show up in profiling';
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end//
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create procedure p3 ()
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reads sql data
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begin
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set profiling = ON;
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select 'This p3 should show up in profiling';
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show profile;
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end//
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first call to p1
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call p1;
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select * from profile_log;
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second call to p1
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call p1;
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select * from profile_log;
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third call to p1
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call p1;
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select * from profile_log;
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set session profiling = OFF;
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call p2;
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set session profiling = OFF;
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call p3;
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show profiles;
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drop procedure if exists p1;
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drop procedure if exists p2;
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drop procedure if exists p3;
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drop table if exists profile_log;
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set session profiling = ON;
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drop table if exists t2;
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create table t2 (id int not null);
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create trigger t2_bi before insert on t2 for each row set @x=0;
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select @@profiling;
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@@profiling
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1
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insert into t2 values (1), (2), (3);
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select @@profiling;
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@@profiling
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1
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set session profiling = ON;
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drop table if exists t1, t2;
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create table t1 (id int not null primary key);
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create table t2 (id int not null primary key, id1 int not null);
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select @@profiling;
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@@profiling
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1
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alter table t2 add foreign key (id1) references t1 (id) on delete cascade;
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select @@profiling;
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@@profiling
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1
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lock table t1 write;
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select @@profiling;
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@@profiling
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1
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unlock table;
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select @@profiling;
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@@profiling
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1
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set autocommit=0;
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select @@profiling, @@autocommit;
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@@profiling @@autocommit
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1 0
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begin;
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select @@profiling;
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@@profiling
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1
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insert into t1 values (1);
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insert into t2 values (1,1);
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testing referential integrity cascade
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delete from t1 where id = 1;
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select @@profiling;
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@@profiling
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1
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testing rollback
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rollback;
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select @@profiling;
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@@profiling
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1
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testing commit
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begin;
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select @@profiling;
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@@profiling
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1
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commit;
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select @@profiling;
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@@profiling
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1
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drop table if exists t1, t2, t3;
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drop view if exists v1;
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Warnings:
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Note 1051 Unknown table 'test.v1'
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drop function if exists f1;
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set session profiling = OFF;
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set global profiling_history_size= @start_value;
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End of 5.0 tests
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