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DROP DATABASE would internally execute DROP TABLE on every contained table and finally remove the directory. In InnoDB, DROP TABLE is sometimes executed in the background. The table would be renamed to a name that starts with #sql. The existence of these files would prevent DROP DATABASE from succeeding. CREATE OR REPLACE DATABASE can internally execute DROP DATABASE if the directory already exists. This could fail due to the InnoDB background DROP TABLE, possibly due to some tables that were leftovers from earlier tests.
134 lines
4.6 KiB
Plaintext
134 lines
4.6 KiB
Plaintext
set @s= '1992-01-01';
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set @e= '1999-12-31';
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create table t (s date, e date);
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--echo # period start/end columns are implicit NOT NULL
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alter table t add period for a(s, e);
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show create table t;
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create or replace table t (s date, e date);
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alter table t change s s date, add period for a(s, e);
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show create table t;
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alter table t add id int;
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show create table t;
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alter table t drop id;
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show create table t;
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--error ER_CONSTRAINT_FAILED
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insert t values(@e, @s);
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--error ER_PERIOD_CONSTRAINT_DROP
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alter table t drop constraint a;
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--echo # no-op
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alter table t drop period if exists for b;
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--echo # no-op
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alter table t add period if not exists for a(e, s);
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alter table t drop period if exists for a;
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--echo # no-op
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alter table t drop period if exists for a;
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alter table t add period for a(s, e), add period if not exists for a(e, s);
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show create table t;
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alter table t drop period for a;
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--echo # Constraint is dropped
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insert t values(@e, @s);
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--error ER_CANT_DROP_FIELD_OR_KEY
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alter table t drop period for a;
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--error ER_CANT_DROP_FIELD_OR_KEY
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alter table t add period for a(s, e), drop period for a;
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truncate t;
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alter table t add period for a(s, e);
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--error ER_CONSTRAINT_FAILED
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insert t values(@e, @s);
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alter table t add period for a(s, e), drop period for a;
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--error ER_CONSTRAINT_FAILED
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insert t values(@e, @s);
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alter table t add s1 date not null, add period for b(s1, e), drop period for a;
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show create table t;
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insert t(s, s1, e) values(@e, @s, @e);
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--error ER_CONSTRAINT_FAILED
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insert t(s, s1, e) values(@e, @e, @s);
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create table t1 like t;
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show create table t1;
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drop table t1;
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--error ER_CONSTRAINT_FAILED
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create table t2 (period for b(s,e)) select * from t;
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create table t2 (period for b(s1,e)) select * from t;
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drop table t2;
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--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)g)
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--echo # The declared type of BC1 shall be either DATE or a timestamp type
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--echo # and shall be equivalent to the declared type of BC2.
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create or replace table t (s timestamp not null, e timestamp(6) not null);
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--error ER_PERIOD_TYPES_MISMATCH
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alter table t add period for a(s, e);
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--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)c)
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--echo # No column of T shall have a column name that is equivalent to ATPN.
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create or replace table t (a int, s date, e date);
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--error ER_DUP_FIELDNAME
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alter table t add period for a(s, e);
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--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)i)
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--echo # Neither BC1 nor BC2 shall be an identity column, a generated column,
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--echo # a system-time period start column, or a system-time period end column.
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create or replace table t (id int primary key,
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s date,
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e date generated always as (s+1));
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--error ER_PERIOD_FIELD_WRONG_ATTRIBUTES
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alter table t add period for a(s, e);
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create or replace table t (id int primary key,
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s date,
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e date as (s+1) VIRTUAL);
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--error ER_PERIOD_FIELD_WRONG_ATTRIBUTES
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alter table t add period for a(s, e);
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create or replace table t (id int primary key, s timestamp(6), e timestamp(6),
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st timestamp(6) as row start,
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en timestamp(6) as row end,
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period for system_time (st, en)) with system versioning;
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--error ER_PERIOD_FIELD_WRONG_ATTRIBUTES
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alter table t add period for a(s, en);
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--echo # SQL16 11.27 <add table period definition>, Syntax Rules, 5)b)
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--echo # The table descriptor of T shall not include a period descriptor other
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--echo # than a system-time period descriptor.
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alter table t add period for a(s, e);
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--error ER_MORE_THAN_ONE_PERIOD
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alter table t add period for b(s, e);
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--echo # SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)e)v)2)B)
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--echo # Let S be the schema identified by the explicit or implicit
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--echo # <schema name> of TN. Let IDCN be an implementation-dependent
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--echo # <constraint name> that is not equivalent to the <constraint name> of
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--echo # any table constraint descriptor included in S. The following
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--echo # <table constraint definition> is implicit:
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--echo # CONSTRAINT IDCN CHECK ( CN1 < CN2 )
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--echo #
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--echo # Due to the above standard limitation, the constraint name can't always
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--echo # match the period name. So it matches when possible; and when not, it
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--echo # is unique not taken name prefixed with period name.
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create or replace table t (x int, s date, e date,
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period for mytime(s, e));
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show create table t;
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alter table t add constraint mytime check (x > 1);
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show create table t;
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--error ER_CONSTRAINT_FAILED
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insert t values (2, @e, @s);
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alter table t add constraint mytime_1 check (x > 2);
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--error ER_CONSTRAINT_FAILED
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insert t values (3, @e, @s);
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drop table t;
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