mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 21:12:26 +01:00
98 lines
1.9 KiB
Text
98 lines
1.9 KiB
Text
drop table if exists t1;
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create table t1(a int primary key, b int, c int, unique(b)) engine = ndb;
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insert into t1 values (2,2,2);
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insert into t1 values (3,3,3);
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insert into t1 values (4,4,4);
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begin;
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insert into t1 values (1,1,1);
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begin;
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update t1 set c = 2 where b = 1;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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rollback;
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rollback;
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drop table t1;
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create table t1(a int primary key, b int, c int, key(b)) engine = ndb;
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insert into t1 values (2,2,2);
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insert into t1 values (3,3,3);
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insert into t1 values (4,4,4);
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begin;
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insert into t1 values (1,1,1);
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begin;
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update t1 set c = 2 where b = 1;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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rollback;
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rollback;
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drop table t1;
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--con1
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create table t1(a int primary key, b int, c int, key(b)) engine = ndb;
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insert into t1 values (1,1,1);
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insert into t1 values (2,2,2);
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insert into t1 values (3,3,3);
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insert into t1 values (4,4,4);
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begin;
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update t1 set c = 10 where a = 1;
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update t1 set c = 20 where a = 1;
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update t1 set c = 30 where a = 1;
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--con1 c=30
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select * from t1 where b >= 1 order by b;
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a b c
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1 1 30
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2 2 2
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3 3 3
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4 4 4
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--con2 c=1
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select * from t1 where b >= 1 order by b;
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a b c
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1 1 1
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2 2 2
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3 3 3
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4 4 4
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--con1
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delete from t1 where a = 1;
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--con1 c=none
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select * from t1 where b >= 1 order by b;
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a b c
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2 2 2
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3 3 3
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4 4 4
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--con2 c=1
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select * from t1 where b >= 1 order by b;
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a b c
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1 1 1
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2 2 2
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3 3 3
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4 4 4
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--con1
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commit;
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--con1 c=none
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select * from t1 where b >= 1 order by b;
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a b c
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2 2 2
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3 3 3
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4 4 4
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--con2 c=none
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select * from t1 where b >= 1 order by b;
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a b c
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2 2 2
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3 3 3
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4 4 4
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--con1
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begin;
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insert into t1 values (1,1,1);
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update t1 set c = 10 where a = 1;
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update t1 set c = 20 where a = 1;
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update t1 set c = 30 where a = 1;
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--con1 c=30
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select * from t1 where b >= 1 order by b;
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a b c
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1 1 30
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2 2 2
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3 3 3
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4 4 4
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--con2 c=none
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select * from t1 where b >= 1 order by b;
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a b c
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2 2 2
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3 3 3
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4 4 4
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drop table t1;
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