mirror of
https://github.com/MariaDB/server.git
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1201 lines
36 KiB
Text
1201 lines
36 KiB
Text
#
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# Locking related tests which use DEBUG_SYNC facility.
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#
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--source include/have_debug_sync.inc
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# We need InnoDB to be able use TL_WRITE_ALLOW_WRITE type of locks in our tests.
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--source include/have_innodb.inc
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# This test requires statement/mixed mode binary logging.
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# Row-based mode puts weaker serializability requirements
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# so weaker locks are acquired for it.
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--source include/have_binlog_format_mixed_or_statement.inc
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# Until bug#41971 'Thread state on embedded server is always "Writing to net"'
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# is fixed this test can't be run on embedded version of server.
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--source include/not_embedded.inc
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# Save the initial number of concurrent sessions.
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--source include/count_sessions.inc
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--echo #
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--echo # Test how we handle locking in various cases when
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--echo # we read data from MyISAM tables.
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--echo #
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--echo # In this test we mostly check that the SQL-layer correctly
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--echo # determines the type of thr_lock.c lock for a table being
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--echo # read.
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--echo # I.e. that it disallows concurrent inserts when the statement
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--echo # is going to be written to the binary log and therefore
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--echo # should be serialized, and allows concurrent inserts when
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--echo # such serialization is not necessary (e.g. when
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--echo # the statement is not written to binary log).
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--echo #
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--echo # Force concurrent inserts to be performed even if the table
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--echo # has gaps. This allows to simplify clean up in scripts
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--echo # used below (instead of backing up table being inserted
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--echo # into and then restoring it from backup at the end of the
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--echo # script we can simply delete rows which were inserted).
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set @old_concurrent_insert= @@global.concurrent_insert;
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set @@global.concurrent_insert= 2;
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select @@global.concurrent_insert;
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--echo # Prepare playground by creating tables, views,
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--echo # routines and triggers used in tests.
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connect (con1, localhost, root,,);
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connect (con2, localhost, root,,);
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connection default;
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create table t1 (i int primary key);
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insert into t1 values (1), (2), (3), (4), (5);
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create table t2 (j int primary key);
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insert into t2 values (1), (2), (3), (4), (5);
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create table t3 (k int primary key);
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insert into t3 values (1), (2), (3);
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create table t4 (l int primary key);
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insert into t4 values (1);
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create table t5 (l int primary key);
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insert into t5 values (1);
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create view v1 as select i from t1;
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create view v2 as select j from t2 where j in (select i from t1);
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create procedure p1(k int) insert into t2 values (k);
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delimiter |;
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--enable_prepare_warnings
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create function f1() returns int
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begin
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declare j int;
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select i from t1 where i = 1 into j;
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return j;
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end|
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create function f2() returns int
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begin
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declare k int;
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select i from t1 where i = 1 into k;
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insert into t2 values (k + 5);
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return 0;
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end|
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create function f3() returns int
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begin
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return (select i from t1 where i = 3);
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end|
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create function f4() returns int
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begin
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if (select i from t1 where i = 3) then
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return 1;
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else
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return 0;
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end if;
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end|
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create function f5() returns int
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begin
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insert into t2 values ((select i from t1 where i = 1) + 5);
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return 0;
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end|
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create function f6() returns int
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begin
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declare k int;
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select i from v1 where i = 1 into k;
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return k;
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end|
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create function f7() returns int
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begin
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declare k int;
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select j from v2 where j = 1 into k;
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return k;
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end|
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create function f8() returns int
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begin
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declare k int;
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select i from v1 where i = 1 into k;
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insert into t2 values (k+5);
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return k;
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end|
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create function f9() returns int
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begin
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update v2 set j=j+10 where j=1;
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return 1;
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end|
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create function f10() returns int
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begin
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return f1();
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end|
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create function f11() returns int
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begin
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declare k int;
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set k= f1();
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insert into t2 values (k+5);
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return k;
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end|
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create function f12(p int) returns int
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begin
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insert into t2 values (p);
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return p;
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end|
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create function f13(p int) returns int
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begin
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return p;
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end|
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create procedure p2(inout p int)
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begin
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select i from t1 where i = 1 into p;
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end|
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create function f14() returns int
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begin
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declare k int;
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call p2(k);
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insert into t2 values (k+5);
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return k;
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end|
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create function f15() returns int
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begin
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declare k int;
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call p2(k);
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return k;
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end|
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create function f16() returns int
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begin
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create temporary table if not exists temp1 (a int);
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insert into temp1 select * from t1;
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drop temporary table temp1;
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return 1;
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end|
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create function f17() returns int
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begin
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declare j int;
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select i from t1 where i = 1 into j;
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call p3;
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return 1;
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end|
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create procedure p3()
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begin
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create temporary table if not exists temp1 (a int);
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insert into temp1 select * from t1;
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drop temporary table temp1;
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end|
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create trigger t4_bi before insert on t4 for each row
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begin
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declare k int;
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select i from t1 where i=1 into k;
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set new.l= k+1;
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end|
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create trigger t4_bu before update on t4 for each row
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begin
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if (select i from t1 where i=1) then
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set new.l= 2;
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end if;
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end|
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create trigger t4_bd before delete on t4 for each row
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begin
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if !(select i from v1 where i=1) then
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signal sqlstate '45000';
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end if;
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end|
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create trigger t5_bi before insert on t5 for each row
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begin
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set new.l= f1()+1;
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end|
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create trigger t5_bu before update on t5 for each row
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begin
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declare j int;
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call p2(j);
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set new.l= j + 1;
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end|
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delimiter ;|
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--disable_prepare_warnings
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--echo #
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--echo # Set common variables to be used by the scripts
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--echo # called below.
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--echo #
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let $con_aux1= con1;
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let $con_aux2= con2;
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let $table= t1;
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connection con1;
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set @save_dbug=@@debug_dbug;
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set debug_dbug="+d,cache_sp_in_show_create";
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--echo # Cache all functions used in the tests below so statements
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--echo # calling them won't need to open and lock mysql.proc table
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--echo # and we can assume that each statement locks its tables
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--echo # once during its execution.
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--disable_result_log
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show create procedure p1;
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show create procedure p2;
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show create procedure p3;
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show create function f1;
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show create function f2;
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show create function f3;
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show create function f4;
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show create function f5;
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show create function f6;
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show create function f7;
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show create function f8;
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show create function f9;
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show create function f10;
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show create function f11;
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show create function f12;
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show create function f13;
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show create function f14;
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show create function f15;
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show create function f16;
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show create function f17;
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set debug_dbug=@save_dbug;
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--enable_result_log
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connection default;
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--echo #
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--echo # 1. Statements that read tables and do not use subqueries.
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--echo #
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--echo #
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--echo # 1.1 Simple SELECT statement.
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--echo #
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--echo # No locks are necessary as this statement won't be written
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--echo # to the binary log and thanks to how MyISAM works SELECT
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--echo # will see version of the table prior to concurrent insert.
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let $statement= select * from t1;
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 1.2 Multi-UPDATE statement.
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--echo #
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--echo # Has to take shared locks on rows in the table being read as this
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--echo # statement will be written to the binary log and therefore should
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--echo # be serialized with concurrent statements.
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let $statement= update t2, t1 set j= j - 1 where i = j;
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 1.3 Multi-DELETE statement.
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--echo #
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--echo # The above is true for this statement as well.
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let $statement= delete t2 from t1, t2 where i = j;
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 1.4 DESCRIBE statement.
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--echo #
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--echo # This statement does not really read data from the
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--echo # target table and thus does not take any lock on it.
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--echo # We check this for completeness of coverage.
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lock table t1 write;
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connection con1;
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--echo # This statement should not be blocked.
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--disable_result_log
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describe t1;
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--enable_result_log
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connection default;
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unlock tables;
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--echo #
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--echo # 1.5 SHOW statements.
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--echo #
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--echo # The above is true for SHOW statements as well.
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lock table t1 write;
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connection con1;
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--echo # These statements should not be blocked.
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# The below test for SHOW CREATE TABLE is disabled until bug 52593
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# "SHOW CREATE TABLE is blocked if table is locked for write by another
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# connection" is fixed.
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--disable_parsing
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show create table t1;
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--enable_parsing
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--disable_result_log
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show keys from t1;
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--enable_result_log
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connection default;
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unlock tables;
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--echo #
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--echo # 2. Statements which read tables through subqueries.
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--echo #
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--echo #
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--echo # 2.1 CALL with a subquery.
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--echo #
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--echo # A strong lock is not necessary as this statement is not
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--echo # written to the binary log as a whole (it is written
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--echo # statement-by-statement).
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let $statement= call p1((select i + 5 from t1 where i = 1));
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let $restore_table= t2;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 2.2 CREATE TABLE with a subquery.
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--echo #
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--echo # Has to take a strong lock on the table being read as
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--echo # this statement is written to the binary log and therefore
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--echo # should be serialized with concurrent statements.
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let $statement= create table t0 select * from t1;
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let $restore_table= ;
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--source include/check_no_concurrent_insert.inc
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drop table t0;
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let $statement= create table t0 select j from t2 where j in (select i from t1);
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let $restore_table= ;
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--source include/check_no_concurrent_insert.inc
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drop table t0;
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--echo #
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--echo # 2.3 DELETE with a subquery.
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--echo #
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--echo # The above is true for this statement as well.
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let $statement= delete from t2 where j in (select i from t1);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 2.4 MULTI-DELETE with a subquery.
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--echo #
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--echo # Same is true for this statement as well.
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let $statement= delete t2 from t3, t2 where k = j and j in (select i from t1);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 2.5 DO with a subquery.
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--echo #
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--echo # A strong lock is not necessary as it is not logged.
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let $statement= do (select i from t1 where i = 1);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 2.6 INSERT with a subquery.
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--echo #
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--echo # Has to take a strong lock on the table being read as
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--echo # this statement is written to the binary log and therefore
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--echo # should be serialized with concurrent inserts.
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let $statement= insert into t2 select i+5 from t1;
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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let $statement= insert into t2 values ((select i+5 from t1 where i = 4));
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 2.7 LOAD DATA with a subquery.
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--echo #
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--echo # The above is true for this statement as well.
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let $statement= load data infile '../../std_data/rpl_loaddata.dat' into table t2 (@a, @b) set j= @b + (select i from t1 where i = 1);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 2.8 REPLACE with a subquery.
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--echo #
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--echo # Same is true for this statement as well.
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--echo # Suppress warnings for REPLACE ... SELECT
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--disable_query_log
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call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
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--enable_query_log
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let $statement= replace into t2 select i+5 from t1;
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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let $statement= replace into t2 values ((select i+5 from t1 where i = 4));
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 2.9 SELECT with a subquery.
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--echo #
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--echo # Strong locks are not necessary as this statement is not written
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--echo # to the binary log and thanks to how MyISAM works this statement
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--echo # sees a version of the table prior to the concurrent insert.
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let $statement= select * from t2 where j in (select i from t1);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 2.10 SET with a subquery.
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--echo #
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--echo # The same is true for this statement as well.
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let $statement= set @a:= (select i from t1 where i = 1);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 2.11 SHOW with a subquery.
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--echo #
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--echo # And for this statement too.
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let $statement= show tables from test where Tables_in_test = 't2' and (select i from t1 where i = 1);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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let $statement= show columns from t2 where (select i from t1 where i = 1);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 2.12 UPDATE with a subquery.
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--echo #
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--echo # Has to take a strong lock on the table being read as
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--echo # this statement is written to the binary log and therefore
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--echo # should be serialized with concurrent inserts.
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let $statement= update t2 set j= j-10 where j in (select i from t1);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 2.13 MULTI-UPDATE with a subquery.
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--echo #
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--echo # Same is true for this statement as well.
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let $statement= update t2, t3 set j= j -10 where j=k and j in (select i from t1);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 3. Statements which read tables through a view.
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--echo #
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--echo #
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--echo # 3.1 SELECT statement which uses some table through a view.
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--echo #
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--echo # Since this statement is not written to the binary log and
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--echo # an old version of the table is accessible thanks to how MyISAM
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--echo # handles concurrent insert, no locking is necessary.
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let $statement= select * from v1;
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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let $statement= select * from v2;
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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let $statement= select * from t2 where j in (select i from v1);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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let $statement= select * from t3 where k in (select j from v2);
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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--echo #
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--echo # 3.2 Statements which modify a table and use views.
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--echo #
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--echo # Since such statements are going to be written to the binary
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--echo # log they need to be serialized against concurrent statements
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--echo # and therefore should take strong locks on the data read.
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let $statement= update t2 set j= j-10 where j in (select i from v1);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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let $statement= update t3 set k= k-10 where k in (select j from v2);
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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let $statement= update t2, v1 set j= j-10 where j = i;
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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let $statement= update v2 set j= j-10 where j = 3;
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let $restore_table= t2;
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--source include/check_no_concurrent_insert.inc
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--echo #
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--echo # 4. Statements which read tables through stored functions.
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--echo #
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--echo #
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--echo # 4.1 SELECT/SET with a stored function which does not
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--echo # modify data and uses SELECT in its turn.
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--echo #
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--echo # There is no need to take strong locks on the table
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--echo # being selected from in SF as the call to such function
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--echo # won't get into the binary log.
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let $statement= select f1();
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let $restore_table= ;
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--source include/check_concurrent_insert.inc
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let $statement= set @a:= f1();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.2 INSERT (or other statement which modifies data) with
|
|
--echo # a stored function which does not modify data and uses
|
|
--echo # SELECT.
|
|
--echo #
|
|
--echo # Since such statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting the data
|
|
--echo # it uses. Therefore it should take strong lock on the data
|
|
--echo # it reads.
|
|
let $statement= insert into t2 values (f1() + 5);
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.3 SELECT/SET with a stored function which
|
|
--echo # reads and modifies data.
|
|
--echo #
|
|
--echo # Since a call to such function is written to the binary log,
|
|
--echo # it should be serialized with concurrent statements affecting
|
|
--echo # the data it uses. Hence, a strong lock on the data read
|
|
--echo # should be taken.
|
|
let $statement= select f2();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= set @a:= f2();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.4. SELECT/SET with a stored function which does not
|
|
--echo # modify data and reads a table through subselect
|
|
--echo # in a control construct.
|
|
--echo #
|
|
--echo # Call to this function won't get to the
|
|
--echo # binary log and thus no strong lock is needed.
|
|
let $statement= select f3();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
let $statement= set @a:= f3();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
let $statement= select f4();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
let $statement= set @a:= f4();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.5. INSERT (or other statement which modifies data) with
|
|
--echo # a stored function which does not modify data and reads
|
|
--echo # the table through a subselect in one of its control
|
|
--echo # constructs.
|
|
--echo #
|
|
--echo # Since such statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting data it
|
|
--echo # uses. Therefore it should take a strong lock on the data
|
|
--echo # it reads.
|
|
let $statement= insert into t2 values (f3() + 5);
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= insert into t2 values (f4() + 6);
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.6 SELECT/SET which uses a stored function with
|
|
--echo # DML which reads a table via a subquery.
|
|
--echo #
|
|
--echo # Since call to such function is written to the binary log
|
|
--echo # it should be serialized with concurrent statements.
|
|
--echo # Hence reads should take a strong lock.
|
|
let $statement= select f5();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= set @a:= f5();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.7 SELECT/SET which uses a stored function which
|
|
--echo # doesn't modify data and reads tables through
|
|
--echo # a view.
|
|
--echo #
|
|
--echo # Calls to such functions won't get into
|
|
--echo # the binary log and thus don't need strong
|
|
--echo # locks.
|
|
let $statement= select f6();
|
|
let $restore_table= t2;
|
|
--source include/check_concurrent_insert.inc
|
|
let $statement= set @a:= f6();
|
|
let $restore_table= t2;
|
|
--source include/check_concurrent_insert.inc
|
|
let $statement= select f7();
|
|
let $restore_table= t2;
|
|
--source include/check_concurrent_insert.inc
|
|
let $statement= set @a:= f7();
|
|
let $restore_table= t2;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.8 INSERT which uses stored function which
|
|
--echo # doesn't modify data and reads a table
|
|
--echo # through a view.
|
|
--echo #
|
|
--echo # Since such statement is written to the binary log and
|
|
--echo # should be serialized with concurrent statements affecting
|
|
--echo # the data it uses. Therefore it should take a strong lock on
|
|
--echo # the table it reads.
|
|
let $statement= insert into t3 values (f6() + 5);
|
|
let $restore_table= t3;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= insert into t3 values (f7() + 5);
|
|
let $restore_table= t3;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
|
|
--echo #
|
|
--echo # 4.9 SELECT which uses a stored function which
|
|
--echo # modifies data and reads tables through a view.
|
|
--echo #
|
|
--echo # Since a call to such function is written to the binary log
|
|
--echo # it should be serialized with concurrent statements.
|
|
--echo # Hence, reads should take strong locks.
|
|
let $statement= select f8();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= select f9();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.10 SELECT which uses a stored function which doesn't modify
|
|
--echo # data and reads a table indirectly, by calling another
|
|
--echo # function.
|
|
--echo #
|
|
--echo # Calls to such functions won't get into the binary
|
|
--echo # log and thus don't need to acquire strong locks.
|
|
let $statement= select f10();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.11 INSERT which uses a stored function which doesn't modify
|
|
--echo # data and reads a table indirectly, by calling another
|
|
--echo # function.
|
|
--echo #
|
|
--echo # Since such statement is written to the binary log, it should
|
|
--echo # be serialized with concurrent statements affecting the data it
|
|
--echo # uses. Therefore it should take strong locks on data it reads.
|
|
let $statement= insert into t2 values (f10() + 5);
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.12 SELECT which uses a stored function which modifies
|
|
--echo # data and reads a table indirectly, by calling another
|
|
--echo # function.
|
|
--echo #
|
|
--echo # Since a call to such function is written to the binary log
|
|
--echo # it should be serialized from concurrent statements.
|
|
--echo # Hence, read should take a strong lock.
|
|
let $statement= select f11();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.13 SELECT that reads a table through a subquery passed
|
|
--echo # as a parameter to a stored function which modifies
|
|
--echo # data.
|
|
--echo #
|
|
--echo # Even though a call to this function is written to the
|
|
--echo # binary log, values of its parameters are written as literals.
|
|
--echo # So there is no need to acquire strong locks for tables used in
|
|
--echo # the subquery.
|
|
let $statement= select f12((select i+10 from t1 where i=1));
|
|
let $restore_table= t2;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.14 INSERT that reads a table via a subquery passed
|
|
--echo # as a parameter to a stored function which doesn't
|
|
--echo # modify data.
|
|
--echo #
|
|
--echo # Since this statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting the data it
|
|
--echo # uses. Therefore it should take strong locks on the data it reads.
|
|
let $statement= insert into t2 values (f13((select i+10 from t1 where i=1)));
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.15 SELECT/SET with a stored function which
|
|
--echo # inserts data into a temporary table using
|
|
--echo # SELECT on t1.
|
|
--echo #
|
|
--echo # Since this statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting the data it
|
|
--echo # uses. Therefore it should take strong locks on the data it reads.
|
|
let $statement= select f16();
|
|
let $restore_table= ;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= set @a:= f16();
|
|
let $restore_table= ;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 4.16 SELECT/SET with a stored function which call procedure
|
|
--echo # which inserts data into a temporary table using
|
|
--echo # SELECT on t1.
|
|
--echo #
|
|
--echo # Since this statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting the data it
|
|
--echo # uses. Therefore it should take strong locks on the data it reads.
|
|
let $statement= select f17();
|
|
let $restore_table= ;
|
|
--source include/check_no_concurrent_insert.inc
|
|
let $statement= set @a:= f17();
|
|
let $restore_table= ;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
|
|
--echo #
|
|
--echo # 5. Statements that read tables through stored procedures.
|
|
--echo #
|
|
|
|
--echo #
|
|
--echo # 5.1 CALL statement which reads a table via SELECT.
|
|
--echo #
|
|
--echo # Since neither this statement nor its components are
|
|
--echo # written to the binary log, there is no need to take
|
|
--echo # strong locks on the data it reads.
|
|
let $statement= call p2(@a);
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 5.2 Function that modifies data and uses CALL,
|
|
--echo # which reads a table through SELECT.
|
|
--echo #
|
|
--echo # Since a call to such function is written to the binary
|
|
--echo # log, it should be serialized with concurrent statements.
|
|
--echo # Hence, in this case reads should take strong locks on data.
|
|
let $statement= select f14();
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 5.3 SELECT that calls a function that doesn't modify data and
|
|
--echo # uses a CALL statement that reads a table via SELECT.
|
|
--echo #
|
|
--echo # Calls to such functions won't get into the binary
|
|
--echo # log and thus don't need to acquire strong locks.
|
|
let $statement= select f15();
|
|
let $restore_table= ;
|
|
--source include/check_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 5.4 INSERT which calls function which doesn't modify data and
|
|
--echo # uses CALL statement which reads table through SELECT.
|
|
--echo #
|
|
--echo # Since such statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting data it
|
|
--echo # uses. Therefore it should take strong locks on data it reads.
|
|
let $statement= insert into t2 values (f15()+5);
|
|
let $restore_table= t2;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
|
|
--echo #
|
|
--echo # 6. Statements that use triggers.
|
|
--echo #
|
|
|
|
--echo #
|
|
--echo # 6.1 Statement invoking a trigger that reads table via SELECT.
|
|
--echo #
|
|
--echo # Since this statement is written to the binary log it should
|
|
--echo # be serialized with concurrent statements affecting the data
|
|
--echo # it uses. Therefore, it should take strong locks on the data
|
|
--echo # it reads.
|
|
let $statement= insert into t4 values (2);
|
|
let $restore_table= t4;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 6.2 Statement invoking a trigger that reads table through
|
|
--echo # a subquery in a control construct.
|
|
--echo #
|
|
--echo # The above is true for this statement as well.
|
|
let $statement= update t4 set l= 2 where l = 1;
|
|
let $restore_table= t4;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 6.3 Statement invoking a trigger that reads a table through
|
|
--echo # a view.
|
|
--echo #
|
|
--echo # And for this statement.
|
|
let $statement= delete from t4 where l = 1;
|
|
let $restore_table= t4;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 6.4 Statement invoking a trigger that reads a table through
|
|
--echo # a stored function.
|
|
--echo #
|
|
--echo # And for this statement.
|
|
let $statement= insert into t5 values (2);
|
|
let $restore_table= t5;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo #
|
|
--echo # 6.5 Statement invoking a trigger that reads a table through
|
|
--echo # stored procedure.
|
|
--echo #
|
|
--echo # And for this statement.
|
|
let $statement= update t5 set l= 2 where l = 1;
|
|
let $restore_table= t5;
|
|
--source include/check_no_concurrent_insert.inc
|
|
|
|
--echo # Clean-up.
|
|
drop function f1;
|
|
drop function f2;
|
|
drop function f3;
|
|
drop function f4;
|
|
drop function f5;
|
|
drop function f6;
|
|
drop function f7;
|
|
drop function f8;
|
|
drop function f9;
|
|
drop function f10;
|
|
drop function f11;
|
|
drop function f12;
|
|
drop function f13;
|
|
drop function f14;
|
|
drop function f15;
|
|
drop function f16;
|
|
drop function f17;
|
|
drop view v1, v2;
|
|
drop procedure p1;
|
|
drop procedure p2;
|
|
drop procedure p3;
|
|
drop table t1, t2, t3, t4, t5;
|
|
|
|
disconnect con1;
|
|
disconnect con2;
|
|
|
|
set @@global.concurrent_insert= @old_concurrent_insert;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#50821 Deadlock between LOCK TABLES and ALTER TABLE
|
|
--echo #
|
|
|
|
--disable_warnings
|
|
DROP TABLE IF EXISTS t1, t2;
|
|
--enable_warnings
|
|
|
|
CREATE TABLE t1(id INT);
|
|
CREATE TABLE t2(id INT);
|
|
|
|
connect (con2, localhost, root);
|
|
START TRANSACTION;
|
|
SELECT * FROM t1;
|
|
|
|
connection default;
|
|
--echo # Sending:
|
|
--send ALTER TABLE t1 ADD COLUMN j INT
|
|
|
|
connection con2;
|
|
let $wait_condition=
|
|
SELECT COUNT(*) = 1 FROM information_schema.processlist
|
|
WHERE state = "Waiting for table metadata lock"
|
|
AND info = "ALTER TABLE t1 ADD COLUMN j INT";
|
|
--source include/wait_condition.inc
|
|
|
|
--echo # This used to cause a deadlock.
|
|
INSERT INTO t2 SELECT * FROM t1;
|
|
|
|
COMMIT;
|
|
|
|
connection default;
|
|
--echo # Reaping ALTER TABLE t1 ADD COLUMN j INT
|
|
--reap
|
|
|
|
DROP TABLE t1, t2;
|
|
disconnect con2;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#51391 Deadlock involving events during rqg_info_schema test
|
|
--echo #
|
|
|
|
CREATE EVENT e1 ON SCHEDULE EVERY 5 HOUR DO SELECT 1;
|
|
CREATE EVENT e2 ON SCHEDULE EVERY 5 HOUR DO SELECT 2;
|
|
|
|
connect(con1, localhost, root);
|
|
SET DEBUG_SYNC="before_lock_tables_takes_lock SIGNAL drop WAIT_FOR query";
|
|
--echo # Sending:
|
|
--send DROP EVENT e1;
|
|
|
|
connection default;
|
|
SET DEBUG_SYNC="now WAIT_FOR drop";
|
|
SELECT name FROM mysql.event, INFORMATION_SCHEMA.GLOBAL_VARIABLES
|
|
WHERE definer = VARIABLE_VALUE;
|
|
SET DEBUG_SYNC="now SIGNAL query";
|
|
|
|
connection con1;
|
|
--echo # Reaping: DROP EVENT t1
|
|
--reap
|
|
disconnect con1;
|
|
--source include/wait_until_disconnected.inc
|
|
|
|
connection default;
|
|
DROP EVENT e2;
|
|
SET DEBUG_SYNC="RESET";
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#57130 crash in Item_field::print during SHOW CREATE TABLE or VIEW
|
|
--echo #
|
|
|
|
--disable_warnings
|
|
DROP TABLE IF EXISTS t1;
|
|
DROP VIEW IF EXISTS v1;
|
|
DROP FUNCTION IF EXISTS f1;
|
|
--enable_warnings
|
|
|
|
CREATE TABLE t1(a INT);
|
|
CREATE FUNCTION f1() RETURNS INTEGER RETURN 1;
|
|
CREATE VIEW v1 AS SELECT * FROM t1 WHERE f1() = 1;
|
|
DROP FUNCTION f1;
|
|
connect(con2, localhost, root);
|
|
|
|
connect (con1, localhost, root);
|
|
# Need to trigger this sync point at least twice in order to
|
|
# get valgrind test failures without the patch
|
|
SET DEBUG_SYNC= 'open_tables_after_open_and_process_table SIGNAL opened WAIT_FOR dropped EXECUTE 2';
|
|
--echo # Sending:
|
|
--send SHOW CREATE VIEW v1
|
|
|
|
connection con2;
|
|
SET DEBUG_SYNC= 'now WAIT_FOR opened';
|
|
SET DEBUG_SYNC= 'now SIGNAL dropped';
|
|
SET DEBUG_SYNC= 'now WAIT_FOR opened';
|
|
--echo # Sending:
|
|
--send FLUSH TABLES t1
|
|
|
|
connection default;
|
|
--echo # Waiting for FLUSH TABLES to be blocked.
|
|
let $wait_condition= SELECT COUNT(*)=1 FROM information_schema.processlist
|
|
WHERE state= 'Waiting for table metadata lock' AND info= 'FLUSH TABLES t1';
|
|
--source include/wait_condition.inc
|
|
SET DEBUG_SYNC= 'now SIGNAL dropped';
|
|
|
|
connection con1;
|
|
--echo # Reaping: SHOW CREATE VIEW v1
|
|
--reap
|
|
|
|
connection con2;
|
|
--echo # Reaping: FLUSH TABLES
|
|
--reap
|
|
|
|
connection default;
|
|
SET DEBUG_SYNC= 'RESET';
|
|
DROP VIEW v1;
|
|
DROP TABLE t1;
|
|
disconnect con1;
|
|
disconnect con2;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#28587 SELECT is blocked by INSERT waiting on read lock, even with low_priority_updates
|
|
--echo #
|
|
set low_priority_updates=1;
|
|
--disable_warnings
|
|
drop table if exists t1;
|
|
drop table if exists t2;
|
|
--enable_warnings
|
|
set debug_sync='RESET';
|
|
create table t1 (a int, b int, unique key t1$a (a));
|
|
create table t2 (j int, k int);
|
|
set debug_sync='after_lock_tables_takes_lock SIGNAL parked WAIT_FOR go';
|
|
--echo # Sending:
|
|
--send insert into t2 select * from t1;
|
|
connect (update,localhost,root,,);
|
|
connection update;
|
|
set debug_sync='now WAIT_FOR parked';
|
|
set low_priority_updates=1;
|
|
show variables like 'low_priority_updates';
|
|
let $ID= `select connection_id()`;
|
|
--send insert into t1 values (1, 2) ON DUPLICATE KEY UPDATE b = 2;
|
|
connect (select,localhost,root,,);
|
|
# we must wait till the insert opens and locks the table
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table level lock" and id = $ID;
|
|
--source include/wait_condition.inc
|
|
select * from t1;
|
|
set debug_sync='now SIGNAL go';
|
|
connection default;
|
|
disconnect update;
|
|
disconnect select;
|
|
--echo # Reaping INSERT SELECT
|
|
--reap
|
|
drop tables t1, t2;
|
|
set low_priority_updates=default;
|
|
set debug_sync='RESET';
|
|
|
|
|
|
--echo #
|
|
--echo # Additional test coverage for LOCK TABLES ... READ LOCAL
|
|
--echo # for InnoDB tables.
|
|
--echo #
|
|
--echo # Check that we correctly handle deadlocks which can occur
|
|
--echo # during metadata lock upgrade which happens when one tries
|
|
--echo # to use LOCK TABLES ... READ LOCAL for InnoDB tables.
|
|
|
|
--enable_connect_log
|
|
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
|
|
CREATE TABLE t2 (j INT) ENGINE=InnoDB;
|
|
|
|
--echo # Execute LOCK TABLE READ LOCK which will pause after acquiring
|
|
--echo # SR metadata lock and before upgrading it to SRO lock.
|
|
SET DEBUG_SYNC="after_open_table_mdl_shared SIGNAL locked WAIT_FOR go";
|
|
--echo # Sending:
|
|
--send LOCK TABLE t1 READ LOCAL
|
|
|
|
connect (con1, localhost, root);
|
|
SET DEBUG_SYNC="now WAIT_FOR locked";
|
|
--echo # Execute RENAME TABLE which will try to acquire X lock.
|
|
--echo # Sending:
|
|
--send RENAME TABLE t1 TO t3, t2 TO t1, t3 TO t2
|
|
|
|
connect (con2, localhost, root);
|
|
--echo # Wait until RENAME TABLE is blocked.
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table metadata lock" and
|
|
info = "RENAME TABLE t1 TO t3, t2 TO t1, t3 TO t2";
|
|
--source include/wait_condition.inc
|
|
--echo # Resume LOCK TABLE statement. It should try to
|
|
--echo # upgrade SR lock to SRO lock which will create
|
|
--echo # deadlock due to presence of pending X lock.
|
|
--echo # Deadlock should be detected and LOCK TABLES should
|
|
--echo # release its MDL and retry opening of tables.
|
|
SET DEBUG_SYNC="now SIGNAL go";
|
|
|
|
connection con1;
|
|
--echo # RENAME TABLE should be able to complete. Reap it.
|
|
--reap
|
|
|
|
connection default;
|
|
--echo # Reap LOCK TABLES.
|
|
--reap
|
|
--echo # Check that we see new version of table.
|
|
SELECT * FROM t1;
|
|
UNLOCK TABLES;
|
|
|
|
--echo # Clean-up.
|
|
SET DEBUG_SYNC="RESET";
|
|
disconnect con1;
|
|
disconnect con2;
|
|
DROP TABLES t1, t2;
|
|
--disable_connect_log
|
|
|
|
# Check that all connections opened by test cases in this file are really
|
|
# gone so execution of other tests won't be affected by their presence.
|
|
--source include/wait_until_count_sessions.inc
|
|
|
|
--echo #
|
|
--echo # MDEV-28567 Assertion `0' in open_tables upon function-related operation
|
|
--echo #
|
|
# To get MDL trace run this case like this:
|
|
# mtr --mysqld=--debug=d,mdl,query:i:o,/tmp/mdl.log ...
|
|
# Cleanup trace like this:
|
|
# sed -i -re '/(mysql|performance_schema|sys|mtr)\// d; /MDL_BACKUP_|MDL_INTENTION_/ d; /\/(t2|tr1|tr2)/ d' /tmp/mdl.log
|
|
|
|
CREATE TABLE t1 (a INT);
|
|
CREATE TABLE t2 (b INT);
|
|
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW UPDATE t2 SET b = 0;
|
|
CREATE TRIGGER tr2 BEFORE INSERT ON t2 FOR EACH ROW UPDATE t1 SET a = 6;
|
|
CREATE VIEW v1 AS SELECT * FROM t1;
|
|
|
|
SET AUTOCOMMIT=OFF;
|
|
SELECT * FROM t1;
|
|
# T@6
|
|
# Seized: test/t1 (MDL_SHARED_READ)
|
|
|
|
--connect (con1,localhost,root,,test)
|
|
--send
|
|
DROP TRIGGER tr1;
|
|
# T@7
|
|
# Seized: test/t1 (MDL_SHARED_NO_WRITE)
|
|
# Waiting: test/t1 (MDL_EXCLUSIVE)
|
|
# Waiting: test/t1 (MDL_SHARED_WRITE)
|
|
# Deadlock: test/t1 (MDL_SHARED_WRITE)
|
|
|
|
--connection default
|
|
--error 0, ER_LOCK_DEADLOCK
|
|
INSERT INTO t2 SELECT * FROM t2;
|
|
# T@6
|
|
# Released: test/t1 (MDL_SHARED_READ)
|
|
# T@7
|
|
# Acquired: test/t1 (MDL_EXCLUSIVE) (good)
|
|
--error ER_SP_DOES_NOT_EXIST
|
|
SELECT f() FROM t2;
|
|
# T@6
|
|
# Seized: test/f (MDL_SHARED)
|
|
# T@7
|
|
# Released: test/t1 (MDL_EXCLUSIVE)
|
|
# Good1: continue T@6 below
|
|
# Bad1: continue T@8 below
|
|
|
|
# Now we hold test/f, the below code creates concurrent
|
|
# waiting of 3 threads for test/f which leads to deadlock (Bad)
|
|
|
|
# To achive Good comment out 'now wait_for s1' below and run multiple times.
|
|
|
|
--connect (con2,localhost,root,,test)
|
|
set debug_sync= 'after_open_table_mdl_shared signal s1';
|
|
--send
|
|
ALTER VIEW v1 AS SELECT f() FROM t1;
|
|
# T@8
|
|
# Good2: Waiting: test/v1 (MDL_EXCLUSIVE)
|
|
# Good2-3: continue T@7 below
|
|
# Good5: Acquired: test/v1 (MDL_EXCLUSIVE)
|
|
# Good5: Seized: test/v1 (MDL_EXCLUSIVE)
|
|
# Good5-6: continue T@7 below
|
|
# Good7: Seized: test/t1 (MDL_SHARED_READ)
|
|
# Good7: Waiting: test/f (MDL_SHARED)
|
|
# Good7-8: continue T@7 below
|
|
# Good9: Acquired: test/f (MDL_SHARED)
|
|
# Good9: Released: test/f (MDL_SHARED)
|
|
# Good9: Released: test/t1 (MDL_SHARED_READ)
|
|
# Good9: Released: test/v1 (MDL_EXCLUSIVE)
|
|
# Good9: command finished without error
|
|
# Bad1: Seized: test/v1 (MDL_EXCLUSIVE)
|
|
# Bad1: Seized: test/v1 (MDL_EXCLUSIVE)
|
|
# Bad1: Seized: test/t1 (MDL_SHARED_READ)
|
|
# Bad1-2: continue T@6 below
|
|
# Bad4: Waiting: test/f (MDL_SHARED)
|
|
# Bad4: Deadlock: test/f (MDL_SHARED)
|
|
# Bad4: command finished with error
|
|
|
|
--connection con1
|
|
--reap
|
|
--send
|
|
CREATE FUNCTION f() RETURNS INT RETURN 1;
|
|
# T@7
|
|
# Good3: Waiting: test/f (MDL_EXCLUSIVE)
|
|
# Good3-4: continue T@6 below
|
|
# Good6: Acquired: test/f (MDL_EXCLUSIVE)
|
|
# Good6-7: continue T@8 above
|
|
# Good8: Released: test/f (MDL_EXCLUSIVE)
|
|
# Good8-9: continue T@8 above
|
|
# Bad3: Waiting: test/f (MDL_EXCLUSIVE)
|
|
# Bad3-4: continue T@8 above
|
|
|
|
--connection default
|
|
set debug_sync= 'now wait_for s1';
|
|
--disable_result_log
|
|
SELECT * FROM ( SELECT * FROM v1 ) sq;
|
|
--enable_result_log
|
|
# T@6
|
|
# Good1: Seized: test/v1 (MDL_SHARED_READ)
|
|
# Good1-2: continue T@8 above
|
|
# Good4: Seized: test/t1 (MDL_SHARED_READ)
|
|
# Bad2: Waiting: test/v1 (MDL_SHARED_READ)
|
|
# Bad2-3: continue T@7 above
|
|
|
|
# Cleanup
|
|
COMMIT;
|
|
# Good4: Released: test/t1 (MDL_SHARED_READ)
|
|
# Good4: Released: test/v1 (MDL_SHARED_READ)
|
|
# Good4: Released: test/f (MDL_SHARED)
|
|
# Good4-5: continue T@8 above
|
|
|
|
--connection con2
|
|
--error 0, ER_SP_DOES_NOT_EXIST
|
|
--reap
|
|
--disconnect con1
|
|
--disconnect con2
|
|
--connection default
|
|
--source include/wait_until_count_sessions.inc
|
|
DROP VIEW v1;
|
|
DROP FUNCTION IF EXISTS f;
|
|
DROP TABLE t1, t2;
|
|
set debug_sync= 'reset';
|