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40 lines
1.5 KiB
Text
40 lines
1.5 KiB
Text
create table t (
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a int,
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b int without system versioning
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) with system versioning;
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insert into t values(1, 2);
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insert into t values(3, 4);
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select * from t;
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select a from t for system_time as of timestamp now(6);
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select a, b, b+0 from t for system_time as of timestamp now(6);
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select * from t for system_time as of timestamp now(6);
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select count(*) from t for system_time as of timestamp now(6) group by b;
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select * from t for system_time as of timestamp now(6) order by b asc;
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select * from t for system_time as of timestamp now(6) order by b desc;
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select * from t for system_time as of timestamp now(6) group by a having a=2;
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select * from t for system_time as of timestamp now(6) group by b having b=2;
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select a from t for system_time as of timestamp now(6) where b=2;
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select a from t for system_time as of timestamp now(6) where b=NULL;
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select a from t for system_time as of timestamp now(6) where b is NULL;
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select count(*), b from t for system_time as of timestamp now(6) group by b having b=NULL;
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select a, b from t;
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create or replace table t (
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a int,
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b int not null without system versioning
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) with system versioning;
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insert into t values (1, 2), (3, 4);
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select * from t for system_time as of timestamp now(6);
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select * from t for system_time as of timestamp now(6) where b is NULL;
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#
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# MDEV-15062 Information Schema COLUMNS Table does not show system versioning information
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#
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create or replace table t (x int with system versioning, y int);
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select column_name, extra from information_schema.columns where table_name='t';
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show create table t;
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drop table t;
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