[scn] fix failure of mittest after refresh feature scn
This commit is contained in:
obdev
@ -0,0 +1,261 @@
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SET @@session.transaction_isolation='READ-COMMITTED';
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SELECT @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-COMMITTED
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drop table if exists t1;
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drop table if exists t2;
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create table t1 (c1 int primary key, c2 int);
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create table t2 (c1 int primary key, c2 int);
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desc t1;
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Field Type Null Key Default Extra
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c1 int(11) NO PRI NULL
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c2 int(11) YES NULL
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desc t2;
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Field Type Null Key Default Extra
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c1 int(11) NO PRI NULL
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c2 int(11) YES NULL
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insert into t1 values(1,1);
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insert into t1 values(2,1);
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insert into t2 values(2,1);
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select * from t1;
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c1 c2
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1 1
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2 1
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select * from t2;
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c1 c2
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2 1
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set autocommit=1;
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select /*+read_consistency(weak)+*/ * from t1;
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c1 c2
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1 1
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2 1
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select /*+read_consistency(weak)+*/ * from t1 where c1 = 1;
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c1 c2
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1 1
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select /*+read_consistency(weak)+*/ * from t2;
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c1 c2
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2 1
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select /*+read_consistency(weak)+*/ * from t2 where c1 = 2;
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c1 c2
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2 1
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select /*+read_consistency(weak)+*/ * from t1 as l join t1 as r where l.c1 = r.c1;
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c1 c2 c1 c2
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1 1 1 1
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2 1 2 1
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select /*+read_consistency(weak)+*/ * from t1 join t2 where t1.c1 = t2.c1;
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c1 c2 c1 c2
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2 1 2 1
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set autocommit=0;
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select /*+read_consistency(weak)+*/ * from t1 as l join t1 as r where l.c1 = r.c1;
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c1 c2 c1 c2
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1 1 1 1
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2 1 2 1
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select /*+read_consistency(weak)+*/ * from t1 join t2 where t1.c1 = t2.c1;
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c1 c2 c1 c2
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2 1 2 1
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select /*+read_consistency(weak)+*/* from t1;
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c1 c2
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1 1
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2 1
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select /*+read_consistency(weak)+*/* from t2;
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c1 c2
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2 1
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commit;
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begin;
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insert into t1 values(3, 1);
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insert into t2 values(3, 1);
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select /*+read_consistency(weak)+*/* from t1;
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c1 c2
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1 1
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2 1
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3 1
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select /*+read_consistency(weak)+*/* from t2;
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c1 c2
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2 1
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3 1
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commit;
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begin;
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select /*+read_consistency(weak)+*/* from t1;
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c1 c2
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1 1
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2 1
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3 1
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select /*+read_consistency(weak)+*/* from t2;
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c1 c2
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2 1
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3 1
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insert into t1 values(4, 1);
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ERROR 0A000: different consistency type in one transaction not supported
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select * from t1;
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c1 c2
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1 1
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2 1
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3 1
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insert into t2 values(4, 1);
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ERROR 0A000: different consistency type in one transaction not supported
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select * from t2;
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c1 c2
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2 1
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3 1
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commit;
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begin;
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select /*+read_consistency(weak)+*/* from t1 for update;
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c1 c2
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1 1
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2 1
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3 1
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select /*+read_consistency(weak)+*/* from t2;
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c1 c2
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2 1
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3 1
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insert into t1 values(5, 1);
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select * from t1;
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c1 c2
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1 1
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2 1
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3 1
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5 1
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insert into t2 values(5, 1);
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select * from t2;
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c1 c2
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2 1
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3 1
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5 1
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commit;
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begin;
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select /*+read_consistency(weak)+*/* from t2;
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c1 c2
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2 1
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3 1
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5 1
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select /*+read_consistency(weak)+*/* from t1 for update;
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ERROR 0A000: different consistency type in one transaction not supported
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insert into t1 values(6, 1);
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ERROR 0A000: different consistency type in one transaction not supported
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select * from t1;
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c1 c2
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1 1
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2 1
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3 1
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5 1
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insert into t2 values(6, 1);
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ERROR 0A000: different consistency type in one transaction not supported
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select * from t2;
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c1 c2
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2 1
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3 1
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5 1
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commit;
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begin;
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select /*+read_consistency(strong)*/* from t1;
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c1 c2
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1 1
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2 1
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3 1
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5 1
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select /*+read_consistency(weak)*/* from t1;
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c1 c2
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1 1
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2 1
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3 1
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5 1
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commit;
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begin;
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select /*+read_consistency(weak)*/* from t1;
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c1 c2
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1 1
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2 1
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3 1
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5 1
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select * from t1;
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c1 c2
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1 1
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2 1
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3 1
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5 1
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commit;
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drop table t1;
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set autocommit=1;
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create table t1(a int primary key, b int, c int) partition by hash(a) partitions 5;
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insert into t1 values(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (5, 5, 5);
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insert into t1 values(6, 6, 6), (7, 7, 7), (8, 8, 8), (9, 9, 9), (10, 10, 10);
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select /*+read_consistency(WEAK)*/ * from t1;
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a b c
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create index i1 on t1(b) local;
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select /*+read_consistency(WEAK), index(t1, i1)*/ a, b from t1;
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a b
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1 1
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10 10
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2 2
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3 3
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4 4
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5 5
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6 6
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7 7
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8 8
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9 9
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select /*+read_consistency(WEAK), index(t1, i1)*/ * from t1;
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a b c
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1 1 1
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10 10 10
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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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5 5 5
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6 6 6
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7 7 7
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8 8 8
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9 9 9
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drop index i1 on t1;
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create index i1 on t1(b) global;
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select /*+read_consistency(WEAK), index(t1, i1)*/ a, b from t1;
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a b
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1 1
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10 10
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2 2
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3 3
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4 4
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5 5
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6 6
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7 7
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8 8
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9 9
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select /*+read_consistency(WEAK), index(t1, i1)*/ * from t1;
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a b c
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1 1 1
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10 10 10
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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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5 5 5
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6 6 6
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7 7 7
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8 8 8
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9 9 9
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drop index i1 on t1;
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create index i1 on t1(b) global partition by hash(b) partitions 2;
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select /*+read_consistency(WEAK), index(t1, i1)*/ a, b from t1;
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a b
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1 1
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10 10
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2 2
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3 3
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4 4
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5 5
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6 6
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7 7
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8 8
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9 9
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select /*+read_consistency(WEAK), index(t1, i1)*/ * from t1;
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a b c
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1 1 1
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10 10 10
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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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5 5 5
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6 6 6
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7 7 7
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8 8 8
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9 9 9
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drop table t1;
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@ -0,0 +1,163 @@
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--disable_query_log
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set @@session.explicit_defaults_for_timestamp=off;
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--enable_query_log
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#owner: shanyan.g
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#owner group: transaction
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#description: 测试备机读语句的合法性
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connect (conn1,$OBMYSQL_MS0,$OBMYSQL_USR,$OBMYSQL_PWD,test,$OBMYSQL_PORT);
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connection conn1;
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SET @@session.transaction_isolation='READ-COMMITTED';
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SELECT @@session.transaction_isolation;
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--disable_warnings
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drop table if exists t1;
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drop table if exists t2;
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--enable_warnings
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#建表
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create table t1 (c1 int primary key, c2 int);
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create table t2 (c1 int primary key, c2 int);
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desc t1;
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desc t2;
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#准备数据
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insert into t1 values(1,1);
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insert into t1 values(2,1);
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insert into t2 values(2,1);
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#check数据是否插入成功
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select * from t1;
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select * from t2;
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#保证备机上版本号是更新过的
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sleep 4;
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# case 1: 单partition备机读操作
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set autocommit=1;
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select /*+read_consistency(weak)+*/ * from t1;
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select /*+read_consistency(weak)+*/ * from t1 where c1 = 1;
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select /*+read_consistency(weak)+*/ * from t2;
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select /*+read_consistency(weak)+*/ * from t2 where c1 = 2;
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# case 2: ac=1的单partition self join事务
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select /*+read_consistency(weak)+*/ * from t1 as l join t1 as r where l.c1 = r.c1;
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# case 3: ac=1的多partition事务;
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select /*+read_consistency(weak)+*/ * from t1 join t2 where t1.c1 = t2.c1;
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# case 4: ac = 0的多partition事务
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set autocommit=0;
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select /*+read_consistency(weak)+*/ * from t1 as l join t1 as r where l.c1 = r.c1;
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select /*+read_consistency(weak)+*/ * from t1 join t2 where t1.c1 = t2.c1;
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select /*+read_consistency(weak)+*/* from t1;
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select /*+read_consistency(weak)+*/* from t2;
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commit;
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##下面开始测试备机读异常的情况
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#case 5: 强一致操作中混入弱一致性查询
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begin;
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insert into t1 values(3, 1);
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insert into t2 values(3, 1);
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#下面的这两条语句，正常来讲，应该报错的，但sql根据前两条语句，将其发到了leader上，没有报错
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select /*+read_consistency(weak)+*/* from t1;
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select /*+read_consistency(weak)+*/* from t2;
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commit;
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#插入数据成功了，sleep一下，以便weak读的结果一致
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sleep 4;
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#case 6: 弱一致操作中混入强一致性操作
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begin;
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select /*+read_consistency(weak)+*/* from t1;
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select /*+read_consistency(weak)+*/* from t2;
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#下面的这两条语句，必须要报错:not supportted
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--error 1235
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insert into t1 values(4, 1);
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#预期按照弱一致性操作执行
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select * from t1;
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--error 1235
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insert into t2 values(4, 1);
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select * from t2;
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commit;
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#case 7:select for update操作1
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begin;
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#目前sql是忽略这个hint的，当成强一致性读来操作；
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select /*+read_consistency(weak)+*/* from t1 for update;
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#既然第一条语句判断事务是强一致性操作的，因此下面的语句发给了leader
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select /*+read_consistency(weak)+*/* from t2;
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insert into t1 values(5, 1);
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select * from t1;
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insert into t2 values(5, 1);
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select * from t2;
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commit;
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#插入数据成功了，sleep一下，以便weak读的结果一致
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sleep 4;
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#case 8:select for update操作2
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begin;
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#第一条语句是弱一致性查询，该事务就应该是弱一致性的；
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select /*+read_consistency(weak)+*/* from t2;
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#事务是弱一致性的，下面的语句需要报错
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--error 1235
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select /*+read_consistency(weak)+*/* from t1 for update;
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--error 1235
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insert into t1 values(6, 1);
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select * from t1;
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--error 1235
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insert into t2 values(6, 1);
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select * from t2;
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commit;
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#case 9:其他场景
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begin;
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#事务是强一致性的，下面的语句全部按照强一致性操作
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select /*+read_consistency(strong)*/* from t1;
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#预期strong读
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select /*+read_consistency(weak)*/* from t1;
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commit;
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begin;
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#事务是弱一致性的，下面的语句全部走弱一致性逻辑
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select /*+read_consistency(weak)*/* from t1;
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select * from t1;
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commit;
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--disable_query_log
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--disable_result_log
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connect (obsys,$OBMYSQL_MS0,admin,$OBMYSQL_PWD,test,$OBMYSQL_PORT);
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connection obsys;
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let $old_primary_zone=query_get_value(select primary_zone from oceanbase.__all_tenant where tenant_name='mysql',primary_zone,1);
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alter tenant mysql set primary_zone='RANDOM';
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sleep 3;
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connection default;
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--enable_result_log
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--enable_query_log
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--enable_sorted_result
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drop table t1;
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set autocommit=1;
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create table t1(a int primary key, b int, c int) partition by hash(a) partitions 5;
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insert into t1 values(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (5, 5, 5);
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insert into t1 values(6, 6, 6), (7, 7, 7), (8, 8, 8), (9, 9, 9), (10, 10, 10);
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select /*+read_consistency(WEAK)*/ * from t1;
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create index i1 on t1(b) local;
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select /*+read_consistency(WEAK), index(t1, i1)*/ a, b from t1;
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select /*+read_consistency(WEAK), index(t1, i1)*/ * from t1;
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drop index i1 on t1;
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create index i1 on t1(b) global;
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select /*+read_consistency(WEAK), index(t1, i1)*/ a, b from t1;
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select /*+read_consistency(WEAK), index(t1, i1)*/ * from t1;
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drop index i1 on t1;
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create index i1 on t1(b) global partition by hash(b) partitions 2;
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select /*+read_consistency(WEAK), index(t1, i1)*/ a, b from t1;
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select /*+read_consistency(WEAK), index(t1, i1)*/ * from t1;
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drop table t1;
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--disable_query_log
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--disable_result_log
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connection obsys;
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eval alter tenant mysql set primary_zone='$old_primary_zone';
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connection default;
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--enable_result_log
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--enable_query_log
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