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SQL: hide archive tables [closes #193]
This commit is contained in:
Eugene Kosov
committed by
Aleksey Midenkov
Aleksey Midenkov
parent
e9e3cb0f6e
commit
c5801dd67b
@ -72,15 +72,15 @@ prepare stmt from concat(a, b, c);
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execute stmt;
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deallocate prepare stmt;
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end~~
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create function get_historical_table_name(table_name_arg varchar(255))
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create function get_archive_table_name()
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returns varchar(255)
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begin
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return (select table_name from information_schema.tables
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where table_schema='test' and table_name like concat(table_name_arg, '_%') limit 1);
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return (select archive_name from t_vtmd for system_time all where archive_name is not NULL
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order by start desc limit 1);
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end~~
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create procedure drop_last_historical(table_name_arg varchar(255))
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create procedure drop_last_archive()
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begin
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call concat_exec2('drop table ', get_historical_table_name(table_name_arg));
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call concat_exec2('drop table ', get_archive_table_name());
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end~~
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set versioning_alter_history= survive;
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create or replace table t (a int) with system versioning;
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@ -91,21 +91,21 @@ alter table t add column b int;
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select * from t;
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a b
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2 NULL
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call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
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call concat_exec3('select * from ', get_archive_table_name(), ' for system_time all');
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a
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2
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1
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call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_start from ', get_archive_table_name(), ' for system_time all where a=2');
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@tm=sys_trx_start
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1
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select @tm<sys_trx_start from t where a=2;
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@tm<sys_trx_start
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1
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select sys_trx_start from t where a=2 into @tm;
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call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_end from ', get_archive_table_name(), ' for system_time all where a=2');
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@tm=sys_trx_end
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1
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call drop_last_historical('t');
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call drop_last_archive();
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set versioning_alter_history= keep;
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drop table t_vtmd;
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drop table t;
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@ -118,21 +118,21 @@ alter table t add column b int;
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select * from t;
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a b
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2 NULL
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call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
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call concat_exec3('select * from ', get_archive_table_name(), ' for system_time all');
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a
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2
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1
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call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_start from ', get_archive_table_name(), ' for system_time all where a=2');
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@tm=sys_trx_start
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1
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select @tm<sys_trx_start from t where a=2;
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@tm<sys_trx_start
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1
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select sys_trx_start from t where a=2 into @tm;
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call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_end from ', get_archive_table_name(), ' for system_time all where a=2');
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@tm=sys_trx_end
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1
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call drop_last_historical('t');
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call drop_last_archive();
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set versioning_alter_history= keep;
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drop table t_vtmd;
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drop table t;
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@ -145,21 +145,21 @@ alter table t add column b int;
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select * from t;
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a b
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2 NULL
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call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
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call concat_exec3('select * from ', get_archive_table_name(), ' for system_time all');
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a
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2
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1
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call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_start from ', get_archive_table_name(), ' for system_time all where a=2');
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@tm=sys_trx_start
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1
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select @tm<sys_trx_start from t where a=2;
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@tm<sys_trx_start
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1
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select sys_trx_start from t where a=2 into @tm;
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call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_end from ', get_archive_table_name(), ' for system_time all where a=2');
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@tm=sys_trx_end
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1
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call drop_last_historical('t');
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call drop_last_archive();
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set versioning_alter_history= keep;
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drop table t_vtmd;
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drop table t;
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@ -169,8 +169,8 @@ insert into t values (1);
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update t set a=2 where a=1;
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alter table t add column b int, algorithm=inplace;
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set versioning_alter_history = keep;
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drop function get_historical_table_name;
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drop procedure drop_last_historical;
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drop function get_archive_table_name;
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drop procedure drop_last_archive;
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select * from mysql.vtmd_template;
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start end name archive_name col_renames
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show create table mysql.vtmd_template;
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@ -44,6 +44,12 @@ substr(archive_name, 1, instr(archive_name, '_')) as C_archive_name
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from tmp_vtmd for system_time all;
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drop table tmp_vtmd;
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end~~
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create or replace procedure show_tables()
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begin
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show tables;
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select table_name, table_schema from information_schema.tables
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where table_schema not in ('mysql', 'performance_schema', 'information_schema', 'mtr');
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end~~
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set versioning_alter_history= keep;
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create table t0 (z int) with system versioning;
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show tables;
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@ -178,10 +184,6 @@ use db0;
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show tables;
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Tables_in_db0
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t0
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_vtmd
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call test.check_vtmd('db0.t0_vtmd');
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@start > 0 and @start < @inf
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@ -206,10 +208,6 @@ show tables;
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Tables_in_db1
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other_name
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other_name_vtmd
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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call test.check_vtmd('db1.other_name_vtmd');
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@start > 0 and @start < @inf
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1
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@ -246,10 +244,6 @@ alter table t1 rename to test.t2, add column (y int);
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use test;
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show tables;
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Tables_in_test
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t2
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t2_vtmd
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call check_vtmd('t2_vtmd');
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@ -279,6 +273,67 @@ A_start B_end name C_archive_name
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1 0 t3 t3_
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1 0 t3 t3_
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1 1 t3 NULL
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set versioning_hide = auto;
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call show_tables();
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Tables_in_test
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t2
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t2_vtmd
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t3
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t3_vtmd
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table_name table_schema
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t2 test
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t2_vtmd test
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t3 test
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t3_vtmd test
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set versioning_hide = implicit;
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call show_tables();
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Tables_in_test
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t2
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t2_vtmd
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t3
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t3_vtmd
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table_name table_schema
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t2 test
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t2_vtmd test
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t3 test
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t3_vtmd test
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set versioning_hide = full;
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call show_tables();
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Tables_in_test
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t2
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t2_vtmd
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t3
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t3_vtmd
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table_name table_schema
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t2 test
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t2_vtmd test
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t3 test
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t3_vtmd test
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set versioning_hide = never;
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call show_tables();
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Tables_in_test
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t0_TIMESTAMP_SUFFIX
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t2
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t2_vtmd
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t3
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t3_TIMESTAMP_SUFFIX
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t3_TIMESTAMP_SUFFIX
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t3_vtmd
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table_name table_schema
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t1_TIMESTAMP_SUFFIX db1
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t0_TIMESTAMP_SUFFIX test
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t0_TIMESTAMP_SUFFIX test
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t0_TIMESTAMP_SUFFIX test
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t0_TIMESTAMP_SUFFIX test
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t2 test
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t2_vtmd test
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t3 test
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t3_TIMESTAMP_SUFFIX test
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t3_TIMESTAMP_SUFFIX test
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t3_vtmd test
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drop database db0;
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drop database db1;
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drop database test;
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@ -1,16 +1,16 @@
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-- source suite/versioning/common.inc
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delimiter ~~;
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create function get_historical_table_name(table_name_arg varchar(255))
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create function get_archive_table_name()
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returns varchar(255)
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begin
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return (select table_name from information_schema.tables
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where table_schema='test' and table_name like concat(table_name_arg, '_%') limit 1);
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return (select archive_name from t_vtmd for system_time all where archive_name is not NULL
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order by start desc limit 1);
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end~~
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create procedure drop_last_historical(table_name_arg varchar(255))
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create procedure drop_last_archive()
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begin
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call concat_exec2('drop table ', get_historical_table_name(table_name_arg));
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call concat_exec2('drop table ', get_archive_table_name());
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end~~
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delimiter ;~~
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@ -23,14 +23,14 @@ select sys_trx_start from t where a=2 into @tm;
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alter table t add column b int;
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select * from t;
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call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
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call concat_exec3('select * from ', get_archive_table_name(), ' for system_time all');
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call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_start from ', get_archive_table_name(), ' for system_time all where a=2');
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select @tm<sys_trx_start from t where a=2;
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select sys_trx_start from t where a=2 into @tm;
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call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_end from ', get_archive_table_name(), ' for system_time all where a=2');
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call drop_last_historical('t');
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call drop_last_archive();
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set versioning_alter_history= keep;
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@ -46,14 +46,14 @@ select sys_trx_start from t where a=2 into @tm;
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alter table t add column b int;
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select * from t;
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call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
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call concat_exec3('select * from ', get_archive_table_name(), ' for system_time all');
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call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_start from ', get_archive_table_name(), ' for system_time all where a=2');
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select @tm<sys_trx_start from t where a=2;
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select sys_trx_start from t where a=2 into @tm;
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call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_end from ', get_archive_table_name(), ' for system_time all where a=2');
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call drop_last_historical('t');
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call drop_last_archive();
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set versioning_alter_history= keep;
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@ -69,14 +69,14 @@ select sys_trx_start from t where a=2 into @tm;
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alter table t add column b int;
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select * from t;
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call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
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call concat_exec3('select * from ', get_archive_table_name(), ' for system_time all');
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call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_start from ', get_archive_table_name(), ' for system_time all where a=2');
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select @tm<sys_trx_start from t where a=2;
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select sys_trx_start from t where a=2 into @tm;
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call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
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call concat_exec3('select @tm=sys_trx_end from ', get_archive_table_name(), ' for system_time all where a=2');
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call drop_last_historical('t');
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call drop_last_archive();
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set versioning_alter_history= keep;
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@ -92,8 +92,8 @@ alter table t add column b int, algorithm=inplace;
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set versioning_alter_history = keep;
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drop function get_historical_table_name;
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drop procedure drop_last_historical;
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drop function get_archive_table_name;
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drop procedure drop_last_archive;
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select * from mysql.vtmd_template;
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show create table mysql.vtmd_template;
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@ -56,6 +56,15 @@ begin
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end~~
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delimiter ;~~
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delimiter ~~;
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create or replace procedure show_tables()
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begin
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show tables;
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select table_name, table_schema from information_schema.tables
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where table_schema not in ('mysql', 'performance_schema', 'information_schema', 'mtr');
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end~~
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delimiter ;~~
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# create
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set versioning_alter_history= keep;
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create table t0 (z int) with system versioning;
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@ -136,7 +145,6 @@ create database db0;
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rename table t0 to db0.t0;
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show tables;
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use db0;
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--replace_regex /\d{8}_\d{6}_\d{6}/TIMESTAMP_SUFFIX/
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show tables;
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call test.check_vtmd('db0.t0_vtmd');
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@ -144,7 +152,6 @@ create database db1;
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rename table t0 to db1.other_name;
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show tables;
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use db1;
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--replace_regex /\d{8}_\d{6}_\d{6}/TIMESTAMP_SUFFIX/
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show tables;
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call test.check_vtmd('db1.other_name_vtmd');
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@ -155,7 +162,6 @@ call test.check_vtmd('db1.t1_vtmd');
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# alter rename and modify to different schema
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alter table t1 rename to test.t2, add column (y int);
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use test;
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--replace_regex /\d{8}_\d{6}_\d{6}/TIMESTAMP_SUFFIX/
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show tables;
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call check_vtmd('t2_vtmd');
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@ -164,6 +170,19 @@ alter table t3 change x x bigint;
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alter table t3 change x x bigint after sys_trx_start;
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call check_vtmd('t3_vtmd');
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set versioning_hide = auto;
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call show_tables();
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set versioning_hide = implicit;
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call show_tables();
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set versioning_hide = full;
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call show_tables();
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set versioning_hide = never;
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--replace_regex /\d{8}_\d{6}_\d{6}/TIMESTAMP_SUFFIX/
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call show_tables();
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drop database db0;
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drop database db1;
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drop database test;
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@ -4863,6 +4863,59 @@ public:
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}
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};
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static bool get_all_archive_tables(THD *thd,
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Dynamic_array<String> &all_archive_tables)
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{
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if (thd->variables.vers_hide == VERS_HIDE_NEVER)
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return false;
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Dynamic_array<LEX_STRING *> all_db;
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LOOKUP_FIELD_VALUES lookup_field_values= {
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*thd->make_lex_string(C_STRING_WITH_LEN("%")), {NULL, 0}, true, false};
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if (make_db_list(thd, &all_db, &lookup_field_values))
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return true;
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LEX_STRING information_schema= {C_STRING_WITH_LEN("information_schema")};
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for (size_t i= 0; i < all_db.elements(); i++)
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{
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LEX_STRING db= *all_db.at(i);
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if (db.length == information_schema.length &&
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!memcmp(db.str, information_schema.str, db.length))
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{
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all_db.del(i);
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break;
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}
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}
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for (size_t i= 0; i < all_db.elements(); i++)
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{
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LEX_STRING db_name= *all_db.at(i);
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Dynamic_array<String> archive_tables;
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if (VTMD_table::get_archive_tables(thd, db_name.str, db_name.length,
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archive_tables))
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return true;
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for (size_t i= 0; i < archive_tables.elements(); i++)
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if (all_archive_tables.push(archive_tables.at(i)))
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return true;
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}
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return false;
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}
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static bool is_archive_table(const Dynamic_array<String> &all_archive_tables,
|
||||
LEX_STRING candidate)
|
||||
{
|
||||
for (size_t i= 0; i < all_archive_tables.elements(); i++)
|
||||
{
|
||||
const String &archive_table= all_archive_tables.at(i);
|
||||
if (candidate.length == archive_table.length() &&
|
||||
!memcmp(candidate.str, archive_table.ptr(), candidate.length))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
@brief Fill I_S tables whose data are retrieved
|
||||
@ -4905,6 +4958,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
|
||||
#endif
|
||||
uint table_open_method= tables->table_open_method;
|
||||
bool can_deadlock;
|
||||
Dynamic_array<String> all_archive_tables;
|
||||
DBUG_ENTER("get_all_tables");
|
||||
|
||||
/*
|
||||
@ -4967,6 +5021,10 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
|
||||
|
||||
if (make_db_list(thd, &db_names, &plan->lookup_field_vals))
|
||||
goto err;
|
||||
|
||||
if (get_all_archive_tables(thd, all_archive_tables))
|
||||
goto err;
|
||||
|
||||
for (size_t i=0; i < db_names.elements(); i++)
|
||||
{
|
||||
LEX_STRING *db_name= db_names.at(i);
|
||||
@ -4992,6 +5050,9 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
|
||||
LEX_STRING *table_name= table_names.at(i);
|
||||
DBUG_ASSERT(table_name->length <= NAME_LEN);
|
||||
|
||||
if (is_archive_table(all_archive_tables, *table_name))
|
||||
continue;
|
||||
|
||||
#ifndef NO_EMBEDDED_ACCESS_CHECKS
|
||||
if (!(thd->col_access & TABLE_ACLS))
|
||||
{
|
||||
|
||||
23
sql/vtmd.cc
23
sql/vtmd.cc
@ -569,24 +569,26 @@ err:
|
||||
|
||||
static
|
||||
bool
|
||||
get_vtmd_tables(THD *thd, Dynamic_array<LEX_STRING *> &table_names)
|
||||
get_vtmd_tables(THD *thd, const char *db,
|
||||
size_t db_length, Dynamic_array<LEX_STRING *> &table_names)
|
||||
{
|
||||
// Note function retrieves table names from current db only.
|
||||
LOOKUP_FIELD_VALUES lookup_field_values= {
|
||||
*thd->make_lex_string(thd->db, strlen(thd->db)),
|
||||
*thd->make_lex_string(db, db_length),
|
||||
*thd->make_lex_string(C_STRING_WITH_LEN("%_vtmd")), false, true};
|
||||
|
||||
int res= make_table_name_list(thd, &table_names, thd->lex, &lookup_field_values,
|
||||
int res=
|
||||
make_table_name_list(thd, &table_names, thd->lex, &lookup_field_values,
|
||||
&lookup_field_values.db_value);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
bool
|
||||
VTMD_table::get_archive_tables(THD *thd, Dynamic_array<String> &result)
|
||||
VTMD_table::get_archive_tables(THD *thd, const char *db, size_t db_length,
|
||||
Dynamic_array<String> &result)
|
||||
{
|
||||
Dynamic_array<LEX_STRING *> vtmd_tables;
|
||||
if (get_vtmd_tables(thd, vtmd_tables))
|
||||
if (get_vtmd_tables(thd, db, db_length, vtmd_tables))
|
||||
return true;
|
||||
|
||||
for (uint i= 0; i < vtmd_tables.elements(); i++)
|
||||
@ -595,10 +597,8 @@ VTMD_table::get_archive_tables(THD *thd, Dynamic_array<String> &result)
|
||||
|
||||
Open_tables_backup open_tables_backup;
|
||||
TABLE_LIST table_list;
|
||||
// Assume VTMD tables belongs to current db.
|
||||
table_list.init_one_table(thd->db, strlen(thd->db),
|
||||
LEX_STRING_WITH_LEN(table_name), table_name.str,
|
||||
TL_READ);
|
||||
table_list.init_one_table(db, db_length, LEX_STRING_WITH_LEN(table_name),
|
||||
table_name.str, TL_READ);
|
||||
|
||||
TABLE *table= open_log_table(thd, &table_list, &open_tables_backup);
|
||||
if (!table)
|
||||
@ -633,6 +633,9 @@ VTMD_table::get_archive_tables(THD *thd, Dynamic_array<String> &result)
|
||||
archive_name.length());
|
||||
result.push(archive_name);
|
||||
}
|
||||
// check for EOF
|
||||
if (!thd->is_error())
|
||||
error= 0;
|
||||
|
||||
end_read_record(&read_record);
|
||||
delete sql_select;
|
||||
|
||||
@ -92,7 +92,8 @@ public:
|
||||
}
|
||||
|
||||
bool find_archive_name(THD *thd, String &out);
|
||||
bool get_archive_tables(THD *thd, Dynamic_array<String> &result);
|
||||
static bool get_archive_tables(THD *thd, const char *db, size_t db_length,
|
||||
Dynamic_array<String> &result);
|
||||
};
|
||||
|
||||
class VTMD_exists : public VTMD_table
|
||||
|
||||
Reference in New Issue
Block a user