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152 lines
3.6 KiB
Text
152 lines
3.6 KiB
Text
--source include/not_embedded.inc
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--source include/have_perfschema.inc
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UPDATE performance_schema.setup_instruments SET enabled = 'NO', timed = 'YES';
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UPDATE performance_schema.setup_instruments SET enabled = 'YES'
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WHERE name in ('wait/io/table/sql/handler',
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'wait/lock/table/sql/handler');
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--disable_warnings
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drop procedure if exists before_payload;
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drop procedure if exists after_payload;
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--enable_warnings
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delimiter $$;
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create procedure before_payload()
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begin
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TRUNCATE TABLE performance_schema.table_io_waits_summary_by_index_usage;
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TRUNCATE TABLE performance_schema.table_io_waits_summary_by_table;
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TRUNCATE TABLE performance_schema.events_waits_history_long;
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TRUNCATE TABLE performance_schema.events_waits_history;
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TRUNCATE TABLE performance_schema.events_waits_current;
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end
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$$
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create procedure after_payload()
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begin
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select count(1) as number_seen,
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OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME,
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OPERATION, NUMBER_OF_BYTES
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from performance_schema.events_waits_history_long
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where OBJECT_SCHEMA = "test"
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group by OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME, OPERATION, NUMBER_OF_BYTES;
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select OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME,
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COUNT_STAR, COUNT_READ, COUNT_WRITE
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from performance_schema.table_io_waits_summary_by_index_usage
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where OBJECT_SCHEMA = "test"
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order by OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME;
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select OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME,
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COUNT_STAR, COUNT_READ, COUNT_WRITE
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from performance_schema.table_io_waits_summary_by_table
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where OBJECT_SCHEMA = "test"
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order by OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME;
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end
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$$
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delimiter ;$$
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--disable_warnings
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drop table if exists t1;
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drop table if exists t2;
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drop table if exists t3;
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--enable_warnings
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create table t0(v int);
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create table t1(id1 int, a int);
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create table t2(id1 int, id2 int, b int);
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create table t3(id2 int, id3 int, c int);
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insert into t0 values
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(0), (1), (2), (3), (4),
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(5), (6), (7), (8), (9);
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insert into t1(id1, a)
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select v, 100*v from t0;
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insert into t2(id1, id2, b)
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select X.v, 10*X.v + Y.v, 100*X.v + 10*Y.v
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from t0 X, t0 Y;
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insert into t3(id2, id3, c)
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select 10*X.v + Y.v, 100*X.v + 10*Y.v + Z.v, 100*X.v + 10*Y.v + Z.v
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from t0 X, t0 Y, t0 Z;
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analyze table t1;
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analyze table t2;
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analyze table t3;
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select * from t1 order by a;
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# Only dump a small part
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select * from t2
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where (b >= 180) and (b <= 220)
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order by b;
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# Only dump a small part
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select * from t3
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where (c >= 587) and (c <= 612)
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order by c;
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#
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# TEST 1 (join, no index)
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#
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explain extended select t1.*, t2.*, t3.*
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from t1 join t2 using (id1) join t3 using (id2);
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call before_payload();
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# Payload query to analyse: should do batch io on t3
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--disable_ps2_protocol
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--disable_result_log
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select t1.*, t2.*, t3.*
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from t1 join t2 using (id1) join t3 using (id2);
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--enable_result_log
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--enable_ps2_protocol
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call after_payload();
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#
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# TEST 2 (join, with index)
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#
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alter table t1 add unique index(id1);
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alter table t2 add unique index(id2);
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alter table t2 add index(id1);
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alter table t3 add unique index(id3);
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alter table t3 add index(id2);
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explain extended select t1.*, t2.*, t3.*
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from t1 join t2 using (id1) join t3 using (id2);
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call before_payload();
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# Payload query to analyse: should do batch io on t3
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--disable_ps2_protocol
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--disable_result_log
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select t1.*, t2.*, t3.*
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from t1 join t2 using (id1) join t3 using (id2);
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--enable_result_log
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--enable_ps2_protocol
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call after_payload();
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# Cleanup
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drop table t0;
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drop table t1;
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drop table t2;
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drop table t3;
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drop procedure before_payload;
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drop procedure after_payload;
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UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
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