SQL: versioning DDL part I [closes #172]

mysql-test/suite/versioning/r/ddl.result

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+set @@session.time_zone='+00:00';
+select ifnull(max(trx_id), 0) into @start_trx_id from information_schema.innodb_vtq;
+create procedure if not exists verify_vtq()
+begin
+set @i= 0;
+select
+@i:= @i + 1 as No,
+trx_id > 0 as A,
+commit_id > trx_id as B,
+begin_ts > '1-1-1 0:0:0' as C,
+commit_ts >= begin_ts as D
+from information_schema.innodb_vtq
+where trx_id > @start_trx_id;
+select ifnull(max(trx_id), 0)
+into @start_trx_id
+from information_schema.innodb_vtq;
+end~~
+create function if not exists default_engine()
+returns varchar(255)
+deterministic
+begin
+declare e varchar(255);
+select lower(engine) from information_schema.engines where support='DEFAULT' into e;
+return e;
+end~~
+create function if not exists sys_datatype()
+returns varchar(255)
+deterministic
+begin
+if default_engine() = 'innodb' then
+return 'bigint unsigned';
+elseif default_engine() = 'myisam' then
+return 'timestamp(6)';
+end if;
+return NULL;
+end~~
+create function if not exists sys_commit_ts(sys_field varchar(255))
+returns varchar(255)
+deterministic
+begin
+if default_engine() = 'innodb' then
+return concat('vtq_commit_ts(', sys_field, ')');
+elseif default_engine() = 'myisam' then
+return sys_field;
+end if;
+return NULL;
+end~~
+create procedure if not exists innodb_verify_vtq(recs int)
+begin
+declare i int default 1;
+if default_engine() = 'innodb' then
+call verify_vtq;
+elseif default_engine() = 'myisam' then
+create temporary table tmp (No int, A bool, B bool, C bool, D bool);
+while i <= recs do
+insert into tmp values (i, 1, 1, 1, 1);
+set i= i + 1;
+end while;
+select * from tmp;
+drop table tmp;
+end if;
+end~~
+create procedure concat_exec2(a varchar(255), b varchar(255))
+begin
+prepare stmt from concat(a, b);
+execute stmt;
+deallocate prepare stmt;
+end~~
+create procedure concat_exec3(a varchar(255), b varchar(255), c varchar(255))
+begin
+prepare stmt from concat(a, b, c);
+execute stmt;
+deallocate prepare stmt;
+end~~
+create function get_historical_table_name(table_name_arg varchar(255))
+returns varchar(255)
+begin
+return (select table_name from information_schema.tables
+where table_schema='test' and table_name like concat(table_name_arg, '_%') limit 1);
+end~~
+create procedure drop_last_historical(table_name_arg varchar(255))
+begin
+call concat_exec2('drop table ', get_historical_table_name(table_name_arg));
+end~~
+set versioning_ddl_survival = 1;
+create or replace table t (a int) with system versioning;
+insert into t values (1);
+update t set a=2 where a=1;
+select sys_trx_start from t where a=2 into @tm;
+alter table t add column b int;
+select * from t;
+a	b
+2	NULL
+call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
+a
+2
+1
+call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
+@tm=sys_trx_start
+1
+select @tm<sys_trx_start from t where a=2;
+@tm<sys_trx_start
+1
+select sys_trx_start from t where a=2 into @tm;
+call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
+@tm=sys_trx_end
+1
+call drop_last_historical('t');
+create or replace table t (a int) with system versioning;
+insert into t values (1);
+update t set a=2 where a=1;
+select sys_trx_start from t where a=2 into @tm;
+alter table t add column b int;
+select * from t;
+a	b
+2	NULL
+call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
+a
+2
+1
+call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
+@tm=sys_trx_start
+1
+select @tm<sys_trx_start from t where a=2;
+@tm<sys_trx_start
+1
+select sys_trx_start from t where a=2 into @tm;
+call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
+@tm=sys_trx_end
+1
+call drop_last_historical('t');
+create or replace table t (a int) with system versioning engine innodb;
+insert into t values (1);
+update t set a=2 where a=1;
+select sys_trx_start from t where a=2 into @tm;
+alter table t add column b int;
+select * from t;
+a	b
+2	NULL
+call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
+a
+2
+1
+call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
+@tm=sys_trx_start
+1
+select @tm<sys_trx_start from t where a=2;
+@tm<sys_trx_start
+1
+select sys_trx_start from t where a=2 into @tm;
+call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
+@tm=sys_trx_end
+1
+call drop_last_historical('t');
+create or replace table t (a int) with system versioning engine innodb;
+insert into t values (1);
+update t set a=2 where a=1;
+alter table t add column b int, algorithm=inplace;
+set versioning_ddl_survival = 0;
+drop procedure concat_exec2;
+drop procedure concat_exec3;
+drop function get_historical_table_name;
+drop procedure drop_last_historical;
+call verify_vtq;
+No	A	B	C	D
+1	1	1	1	1
+2	1	1	1	1
+3	1	1	1	1
+4	1	1	1	1
+5	1	1	1	1
+drop table t;
+drop procedure verify_vtq;
+drop procedure innodb_verify_vtq;
+drop function default_engine;
+drop function sys_commit_ts;
+drop function sys_datatype;