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MDEV-21921 Make transaction_isolation and transaction_read_only into system variables

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In MariaDB, we have a confusing problem where:
* The transaction_isolation option can be set in a configuration file, but it cannot be set dynamically.
* The tx_isolation system variable can be set dynamically, but it cannot be set in a configuration file.

Therefore, we have two different names for the same thing in different contexts. This is needlessly confusing, and it complicates the documentation. The same thing applys for transaction_read_only.

MySQL 5.7 solved this problem by making them into system variables. https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-20.html

This commit takes a similar approach by adding new system variables and marking the original ones as deprecated. This commit also resolves some legacy problems related to SET STATEMENT and transaction_isolation.
This commit is contained in:
Junqi Xie
2023-03-12 13:55:30 +08:00
committed by Daniel Black
parent 4472a7b4ff
commit d20a96f9c1
100 changed files with 1232 additions and 962 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
mysql-test/suite/innodb_zip/r/bug56680.result
View File

@@ -1,4 +1,4 @@
SET GLOBAL tx_isolation='REPEATABLE-READ';
SET GLOBAL transaction_isolation='REPEATABLE-READ';
CREATE TABLE bug56680(
a INT AUTO_INCREMENT PRIMARY KEY,
b CHAR(1),
@@ -28,7 +28,7 @@ connection default;
SELECT b FROM bug56680;
b
x
SET GLOBAL tx_isolation='READ-UNCOMMITTED';
SET GLOBAL transaction_isolation='READ-UNCOMMITTED';
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;

48
mysql-test/suite/innodb_zip/r/index_large_prefix.result
View File

@@ -10,8 +10,8 @@ show warnings;
Level Code Message
begin;
update worklog5743 set a = (repeat("x", 17000));
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
connect con1,localhost,root,,;
select a = repeat("x", 17000) from worklog5743;
@@ -22,8 +22,8 @@ a = repeat("b", 16000)
1
connect con2,localhost,root,,;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a = repeat("x", 17000) from worklog5743;
a = repeat("x", 17000)
@@ -42,8 +42,8 @@ insert into worklog5743 values(9, repeat("a", 10000));
begin;
update worklog5743 set a1 = 1000;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -53,8 +53,8 @@ a1 a2 = repeat("a", 10000)
9 1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
a1 a2 = repeat("a", 10000)
@@ -68,8 +68,8 @@ insert into worklog5743 values(9, repeat("a", 10000));
begin;
update worklog5743 set a1 = 1000;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -79,8 +79,8 @@ a1 a2 = repeat("a", 10000)
9 1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
a1 a2 = repeat("a", 10000)
@@ -258,8 +258,8 @@ select a1, left(a2, 20) from worklog5743_16;
a1 left(a2, 20)
1000 aaaaaaaaaaaaaaaaaaaa
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -293,8 +293,8 @@ a1 left(a2, 20)
9 aaaaaaaaaaaaaaaaaaaa
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
a1 left(a2, 20)
@@ -367,8 +367,8 @@ repeat("a", 3068));
begin;
update worklog5743 set a1 = 1000;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1 from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -378,8 +378,8 @@ a1
9
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1 from worklog5743 where a1 = 9;
a1
@@ -399,8 +399,8 @@ insert into worklog5743 values(repeat("a", 20000));
begin;
insert into worklog5743 values(repeat("b", 20000));
update worklog5743 set a = (repeat("x", 25000));
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
connection con1;
select a = repeat("a", 20000) from worklog5743;
@@ -409,8 +409,8 @@ a = repeat("a", 20000)
disconnect con1;
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a = repeat("x", 25000) from worklog5743;
a = repeat("x", 25000)

48
mysql-test/suite/innodb_zip/r/index_large_prefix_4k.result
View File

@@ -13,8 +13,8 @@ Level Code Message
SET sql_mode= default;
begin;
update worklog5743 set a = (repeat("x", 17000));
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
connect con1,localhost,root,,;
select a = repeat("x", 17000) from worklog5743;
@@ -25,8 +25,8 @@ a = repeat("b", 16000)
1
connect con2,localhost,root,,;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a = repeat("x", 17000) from worklog5743;
a = repeat("x", 17000)
@@ -45,8 +45,8 @@ insert into worklog5743 values(9, repeat("a", 10000));
begin;
update worklog5743 set a1 = 1111;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -56,8 +56,8 @@ a1 a2 = repeat("a", 10000)
9 1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
a1 a2 = repeat("a", 10000)
@@ -71,8 +71,8 @@ insert into worklog5743 values(9, repeat("a", 10000));
begin;
update worklog5743 set a1 = 2222;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -82,8 +82,8 @@ a1 a2 = repeat("a", 10000)
9 1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
a1 a2 = repeat("a", 10000)
@@ -183,8 +183,8 @@ select a1, left(a2, 20) from worklog5743_4;
a1 left(a2, 20)
1000 aaaaaaaaaaaaaaaaaaaa
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -206,8 +206,8 @@ a1 left(a2, 20)
9 aaaaaaaaaaaaaaaaaaaa
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
a1 left(a2, 20)
@@ -261,8 +261,8 @@ insert into worklog5743 values(9, repeat("a", 764));
begin;
update worklog5743 set a1 = 4444;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1 from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -272,8 +272,8 @@ a1
9
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1 from worklog5743 where a1 = 9;
a1
@@ -289,8 +289,8 @@ insert into worklog5743 values(repeat("a", 20000));
begin;
insert into worklog5743 values(repeat("b", 20000));
update worklog5743 set a = (repeat("x", 25000));
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
connection con1;
select a = repeat("a", 20000) from worklog5743;
@@ -299,8 +299,8 @@ a = repeat("a", 20000)
disconnect con1;
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a = repeat("x", 25000) from worklog5743;
a = repeat("x", 25000)

48
mysql-test/suite/innodb_zip/r/index_large_prefix_8k.result
View File

@@ -16,8 +16,8 @@ Note 1071 Specified key was too long; max key length is 1536 bytes
SET sql_mode= default;
begin;
update worklog5743 set a = (repeat("x", 17000));
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
connect con1,localhost,root,,;
select a = repeat("x", 17000) from worklog5743;
@@ -28,8 +28,8 @@ a = repeat("b", 16000)
1
connect con2,localhost,root,,;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a = repeat("x", 17000) from worklog5743;
a = repeat("x", 17000)
@@ -48,8 +48,8 @@ insert into worklog5743 values(9, repeat("a", 10000));
begin;
update worklog5743 set a1 = 1000;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -59,8 +59,8 @@ a1 a2 = repeat("a", 10000)
9 1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
a1 a2 = repeat("a", 10000)
@@ -74,8 +74,8 @@ insert into worklog5743 values(9, repeat("a", 10000));
begin;
update worklog5743 set a1 = 1000;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -85,8 +85,8 @@ a1 a2 = repeat("a", 10000)
9 1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
a1 a2 = repeat("a", 10000)
@@ -217,8 +217,8 @@ select a1, left(a2, 20) from worklog5743_8;
a1 left(a2, 20)
1000 aaaaaaaaaaaaaaaaaaaa
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -246,8 +246,8 @@ a1 left(a2, 20)
9 aaaaaaaaaaaaaaaaaaaa
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
a1 left(a2, 20)
@@ -295,8 +295,8 @@ update worklog5743 set a1 = 1000;
begin;
update worklog5743 set a1 = 1000;
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
explain select a1 from worklog5743 where a1 = 9;
id select_type table type possible_keys key key_len ref rows Extra
@@ -305,8 +305,8 @@ select a1 from worklog5743 where a1 = 9;
a1
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a1 from worklog5743 where a1 = 9;
a1
@@ -325,8 +325,8 @@ insert into worklog5743 values(repeat("a", 20000));
begin;
insert into worklog5743 values(repeat("b", 20000));
update worklog5743 set a = (repeat("x", 25000));
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
connection con1;
select a = repeat("a", 20000) from worklog5743;
@@ -335,8 +335,8 @@ a = repeat("a", 20000)
disconnect con1;
connection con2;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
select a = repeat("x", 25000) from worklog5743;
a = repeat("x", 25000)

12
mysql-test/suite/innodb_zip/r/prefix_index_liftedlimit.result
View File

@@ -793,16 +793,16 @@ col_1_text = REPEAT("a", 200) col_2_text = REPEAT("o", 200)
1 1
0 1
connection con1;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
REPEATABLE-READ
SELECT col_1_text = REPEAT("b", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;
col_1_text = REPEAT("b", 200) col_2_text = REPEAT("o", 200)
0 1
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
SELECT col_1_text = REPEAT("b", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;
@@ -864,8 +864,8 @@ col_1_text = REPEAT("a", 200) col_2_text = REPEAT("o", 200)
COMMIT;
connection con1;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
@@session.tx_isolation
select @@session.transaction_isolation;
@@session.transaction_isolation
READ-UNCOMMITTED
SELECT col_1_text = REPEAT("b", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;

4
mysql-test/suite/innodb_zip/t/bug56680.test
View File

@@ -15,7 +15,7 @@
-- error 0,ER_UNKNOWN_SYSTEM_VARIABLE
SET GLOBAL innodb_change_buffering_debug = 1;
-- enable_query_log
SET GLOBAL tx_isolation='REPEATABLE-READ';
SET GLOBAL transaction_isolation='REPEATABLE-READ';
CREATE TABLE bug56680(
a INT AUTO_INCREMENT PRIMARY KEY,
@@ -50,7 +50,7 @@ SELECT b FROM bug56680;
# For the rest of this test, use the READ UNCOMMITTED isolation level
# to see what exists in the secondary index.
SET GLOBAL tx_isolation='READ-UNCOMMITTED';
SET GLOBAL transaction_isolation='READ-UNCOMMITTED';
# Create enough rows for the table, so that the insert buffer will be
# used for modifying the secondary index page. There must be multiple

24
mysql-test/suite/innodb_zip/t/index_large_prefix.test
View File

@@ -40,7 +40,7 @@ update worklog5743 set a = (repeat("x", 17000));
# Start a new session to select the column to force it build
# an earlier version of the clustered index through undo log. So it should
# just see the result of repeat("b", 16000)
select @@session.tx_isolation;
select @@session.transaction_isolation;
--connect (con1,localhost,root,,)
select a = repeat("x", 17000) from worklog5743;
select a = repeat("b", 16000) from worklog5743;
@@ -49,7 +49,7 @@ select a = repeat("b", 16000) from worklog5743;
# should see the uncommitted update
--connect (con2,localhost,root,,)
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a = repeat("x", 17000) from worklog5743;
# Roll back the transaction
@@ -73,7 +73,7 @@ update worklog5743 set a1 = 1000;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
@@ -81,7 +81,7 @@ select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
--connection default
@@ -103,7 +103,7 @@ update worklog5743 set a1 = 1000;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
@@ -111,7 +111,7 @@ select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
--connection default
@@ -247,7 +247,7 @@ select a1, left(a2, 20) from worklog5743_16;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
explain select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
explain select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
@@ -263,7 +263,7 @@ select a1, left(a2, 20) from worklog5743_16 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
@@ -318,14 +318,14 @@ update worklog5743 set a1 = 1000;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1 from worklog5743 where a1 = 9;
select a1 from worklog5743 where a1 = 9;
# Do read uncommitted, it would show there is no row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1 from worklog5743 where a1 = 9;
--connection default
@@ -358,14 +358,14 @@ update worklog5743 set a = (repeat("x", 25000));
# Start a new session to select the table to force it build
# an earlier version of the cluster index through undo log
select @@session.tx_isolation;
select @@session.transaction_isolation;
--connection con1
select a = repeat("a", 20000) from worklog5743;
--disconnect con1
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a = repeat("x", 25000) from worklog5743;
--disconnect con2

24
mysql-test/suite/innodb_zip/t/index_large_prefix_4k.test
View File

@@ -41,7 +41,7 @@ update worklog5743 set a = (repeat("x", 17000));
# Start a new session to select the column to force it build
# an earlier version of the clustered index through undo log. So it should
# just see the result of repeat("b", 16000)
select @@session.tx_isolation;
select @@session.transaction_isolation;
--connect (con1,localhost,root,,)
select a = repeat("x", 17000) from worklog5743;
select a = repeat("b", 16000) from worklog5743;
@@ -50,7 +50,7 @@ select a = repeat("b", 16000) from worklog5743;
# should see the uncommitted update
--connect (con2,localhost,root,,)
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a = repeat("x", 17000) from worklog5743;
# Roll back the transaction
@@ -74,7 +74,7 @@ update worklog5743 set a1 = 1111;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
@@ -82,7 +82,7 @@ select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
--connection default
@@ -104,7 +104,7 @@ update worklog5743 set a1 = 2222;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
@@ -112,7 +112,7 @@ select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
--connection default
@@ -195,7 +195,7 @@ select a1, left(a2, 20) from worklog5743_4;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
explain select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
explain select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
@@ -207,7 +207,7 @@ select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
@@ -293,14 +293,14 @@ update worklog5743 set a1 = 4444;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1 from worklog5743 where a1 = 9;
select a1 from worklog5743 where a1 = 9;
# Do read uncommitted, it would show there is no row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1 from worklog5743 where a1 = 9;
--connection default
@@ -327,14 +327,14 @@ update worklog5743 set a = (repeat("x", 25000));
# Start a new session to select the table to force it build
# an earlier version of the cluster index through undo log
select @@session.tx_isolation;
select @@session.transaction_isolation;
--connection con1
select a = repeat("a", 20000) from worklog5743;
--disconnect con1
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a = repeat("x", 25000) from worklog5743;
--disconnect con2

24
mysql-test/suite/innodb_zip/t/index_large_prefix_8k.test
View File

@@ -42,7 +42,7 @@ update worklog5743 set a = (repeat("x", 17000));
# Start a new session to select the column to force it build
# an earlier version of the clustered index through undo log. So it should
# just see the result of repeat("b", 16000)
select @@session.tx_isolation;
select @@session.transaction_isolation;
--connect (con1,localhost,root,,)
select a = repeat("x", 17000) from worklog5743;
select a = repeat("b", 16000) from worklog5743;
@@ -51,7 +51,7 @@ select a = repeat("b", 16000) from worklog5743;
# should see the uncommitted update
--connect (con2,localhost,root,,)
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a = repeat("x", 17000) from worklog5743;
# Roll back the transaction
@@ -75,7 +75,7 @@ update worklog5743 set a1 = 1000;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
@@ -83,7 +83,7 @@ select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
--connection default
@@ -105,7 +105,7 @@ update worklog5743 set a1 = 1000;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
@@ -113,7 +113,7 @@ select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
--connection default
@@ -217,7 +217,7 @@ select a1, left(a2, 20) from worklog5743_8;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
explain select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
explain select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
@@ -231,7 +231,7 @@ select a1, left(a2, 20) from worklog5743_8 where a1 = 9;
# row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
@@ -314,14 +314,14 @@ update worklog5743 set a1 = 1000;
# Do a select from another connection that would use the secondary index
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
explain select a1 from worklog5743 where a1 = 9;
select a1 from worklog5743 where a1 = 9;
# Do read uncommitted, it would show there is no row with a1 = 9
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a1 from worklog5743 where a1 = 9;
--connection default
@@ -353,14 +353,14 @@ update worklog5743 set a = (repeat("x", 25000));
# Start a new session to select the table to force it build
# an earlier version of the cluster index through undo log
select @@session.tx_isolation;
select @@session.transaction_isolation;
--connection con1
select a = repeat("a", 20000) from worklog5743;
--disconnect con1
--connection con2
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
select a = repeat("x", 25000) from worklog5743;
--disconnect con2

6
mysql-test/suite/innodb_zip/t/prefix_index_liftedlimit.test
View File

@@ -722,11 +722,11 @@ SELECT col_1_text = REPEAT("a", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;
--connection con1
select @@session.tx_isolation;
select @@session.transaction_isolation;
SELECT col_1_text = REPEAT("b", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
SELECT col_1_text = REPEAT("b", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
@@ -789,7 +789,7 @@ WHERE info='COMMIT';
--connection con1
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
select @@session.tx_isolation;
select @@session.transaction_isolation;
SELECT col_1_text = REPEAT("b", 200) , col_2_text = REPEAT("o", 200) FROM
worklog5743;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;