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321 lines
12 KiB
Text
321 lines
12 KiB
Text
#
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# MDEV-12459: The information_schema tables for getting temporary tables
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# info is missing, at least for innodb, there is no
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# INNODB_TEMP_TABLE_INFO
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#
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# -------------------------------
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# Test shadowing of a base table
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# -------------------------------
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create database some_db;
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use some_db;
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# Creating temporary table with the same name shadows the base table
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# in `show create` and by design, should not raise any warning
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create table t(t int);
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create temporary table t(t int);
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show create table t;
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Table Create Table
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t CREATE TEMPORARY TABLE `t` (
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`t` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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select table_schema, table_name, temporary from information_schema.tables where table_name='t';
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table_schema table_name temporary
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some_db t Y
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some_db t N
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drop table t;
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drop table t;
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use test;
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# ------------------------
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# IS.tables tests
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# ------------------------
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# Create first temporary table
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create temporary table test.t_temp(t int);
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insert into t_temp values (1),(2), (3);
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# Show results
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select table_schema, table_name, temporary from information_schema.tables where table_type='temporary';
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table_schema table_name temporary
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test t_temp Y
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# Create the base table with the same name (both should be visible)
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create table test.t_temp(t int);
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insert into t_temp values (-1),(-2);
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# Show results
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select table_schema, table_name, temporary from information_schema.tables where table_type='temporary';
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table_schema table_name temporary
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test t_temp Y
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create database my_db;
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# Create the temporary table with the same name in new DB
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create temporary table my_db.t_temp (t int);
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insert into my_db.t_temp values (-2),(-1);
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# Show results
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select table_schema, table_name, temporary from information_schema.tables where table_type='temporary'
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order by table_schema desc, table_name desc, table_type desc;
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table_schema table_name temporary
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test t_temp Y
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my_db t_temp Y
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connect con1,localhost,root,,my_db,,;
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# Create the temporary table with the same name in new connection
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create temporary table t_temp(t int);
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insert into t_temp values (4),(5),(6), (7);
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# Show results
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select table_schema, table_name, temporary from information_schema.tables where table_type='temporary'
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order by table_schema desc, table_name desc, table_type desc;
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table_schema table_name temporary
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my_db t_temp Y
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connection default;
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# Show results in default connection
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select table_schema, table_name, temporary from information_schema.tables where table_type='temporary'
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order by table_schema desc, table_name desc, table_type desc;
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table_schema table_name temporary
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test t_temp Y
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my_db t_temp Y
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# Check shadowing and (no)warning with explicit referencing database
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create table some_db.my_t (t int);
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show warnings;
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Level Code Message
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create temporary table some_db.my_t (t int);
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show warnings;
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Level Code Message
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# Show results
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select table_schema, table_name, temporary from information_schema.tables where table_type='temporary'
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order by table_schema desc, table_name desc, table_type desc;
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table_schema table_name temporary
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test t_temp Y
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some_db my_t Y
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my_db t_temp Y
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use test;
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create table t1 (a int);
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create sequence s1;
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create temporary table t1 (b int);
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create temporary sequence s1;
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create temporary sequence s2;
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select table_schema, table_name, table_type, temporary from information_schema.tables where table_schema = 'test'
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order by table_schema desc, table_name desc, table_type desc;
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table_schema table_name table_type temporary
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test t_temp TEMPORARY Y
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test t_temp BASE TABLE N
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test t1 TEMPORARY Y
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test t1 BASE TABLE N
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test s2 TEMPORARY SEQUENCE Y
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test s1 TEMPORARY SEQUENCE Y
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test s1 SEQUENCE N
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drop table t1;
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drop table t1;
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drop table s1;
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drop table s1;
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drop table s2;
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drop table some_db.my_t;
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drop table some_db.my_t;
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disconnect con1;
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drop table test.t_temp;
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drop table test.t_temp;
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drop database my_db;
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drop database some_db;
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#
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# MDEV-28332: Alter on temporary table causes ER_TABLE_EXISTS_ERROR note
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#
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create table t (a int);
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create temporary table t (b int);
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alter table t add c int;
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drop temporary table t;
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drop table t;
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#
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# MDEV-28334: SHOW TABLE STATUS shows all temporary tables
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# ignoring database and conditions
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#
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create temporary table test.tmp_in_test (a int);
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create table test.base_in_test (t int);
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create table test.tmp_in_test (t int);
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create temporary table test.tmp_innodb_in_test (a int) engine=InnoDB;
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create database mysqltest;
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use mysqltest;
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
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show table status in mysqltest;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
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show table status in test;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
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tmp_innodb_in_test InnoDB 10 Dynamic 0 0 16384 0 0 6291456 NULL # # # utf8mb4_uca1400_ai_ci NULL 0 Y
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tmp_in_test MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 Y
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base_in_test MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 N
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tmp_in_test MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 N
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show table status from test;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
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tmp_innodb_in_test InnoDB 10 Dynamic 0 0 16384 0 0 6291456 NULL # # # utf8mb4_uca1400_ai_ci NULL 0 Y
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tmp_in_test MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 Y
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base_in_test MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 N
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tmp_in_test MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 N
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# check that InnoDB temporary table
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# has a NULL value for `Create time` column (MDEV-28333)
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select create_time from information_schema.tables where table_name='tmp_innodb_in_test';
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create_time
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NULL
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show table status like 'nonexisting';
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
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drop database mysqltest;
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drop table test.base_in_test;
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drop table test.tmp_in_test;
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drop table test.tmp_in_test;
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#
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# MDEV-28453: SHOW commands are inconsistent for temporary tables
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#
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create database mysqltest;
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use mysqltest;
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create table t (a int, key(a)) engine=Aria;
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create temporary table t (b int, key(b)) engine=MyISAM;
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create table base_table(t int);
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create temporary table tmp_table (b int, key(b));
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create sequence s1;
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create temporary sequence s1;
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create temporary sequence s2;
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show tables;
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Tables_in_mysqltest
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s2
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s1
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tmp_table
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t
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base_table
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s1
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t
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show full tables;
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Tables_in_mysqltest Table_type
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s2 TEMPORARY SEQUENCE
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s1 TEMPORARY SEQUENCE
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tmp_table TEMPORARY TABLE
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t TEMPORARY TABLE
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base_table BASE TABLE
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s1 SEQUENCE
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t BASE TABLE
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary
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s2 MyISAM 10 Fixed 1 58 58 16325548649218047 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 Y
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s1 MyISAM 10 Fixed 1 58 58 16325548649218047 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 Y
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tmp_table MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 288230376151710720 Y
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t MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 288230376151710720 Y
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base_table MyISAM 10 Fixed 0 0 0 1970324836974591 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 N
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s1 MyISAM 10 Fixed 1 58 58 16325548649218047 1024 0 NULL # # # utf8mb4_uca1400_ai_ci NULL 17179868160 N
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t Aria 10 Page 0 0 8192 17592186011648 8192 0 NULL # # # utf8mb4_uca1400_ai_ci NULL transactional=1 9007199254732800 N
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show columns in t;
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Field Type Null Key Default Extra
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b int(11) YES MUL NULL
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show index in t;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
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t 1 b 1 b A NULL NULL NULL YES BTREE NO
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drop database mysqltest;
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use test;
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show full tables;
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Tables_in_test Table_type
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tmp_innodb_in_test TEMPORARY TABLE
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select * from tmp_innodb_in_test, tmp_innodb_in_test x;
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a a
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show full tables;
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Tables_in_test Table_type
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tmp_innodb_in_test TEMPORARY TABLE
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drop temporary tables tmp_innodb_in_test;
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create temporary table foo.t1 (a int);
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select table_schema, table_name from information_schema.tables where table_type='temporary';
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table_schema table_name
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foo t1
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mysqltest tmp_table
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mysqltest t
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my_db t_temp
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drop temporary table foo.t1;
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#
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# MDEV-28351 Assertion `this->file->children_attached' failed in ha_myisammrg::info
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#
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CREATE TABLE t1 (a INT) ENGINE=MyISAM;
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insert into t1 values (1);
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CREATE TEMPORARY TABLE t2 (a INT) ENGINE=MERGE UNION=(t1);
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CREATE TABLE t3 (a INT) ENGINE=MERGE UNION=(t1);
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SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'test';
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME TABLE_TYPE ENGINE VERSION ROW_FORMAT TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE AUTO_INCREMENT CREATE_TIME UPDATE_TIME CHECK_TIME TABLE_COLLATION CHECKSUM CREATE_OPTIONS TABLE_COMMENT MAX_INDEX_LENGTH TEMPORARY
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def test t1 BASE TABLE MyISAM 10 Fixed 1 7 X X X X NULL X X NULL utf8mb4_uca1400_ai_ci NULL X N
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def test t2 TEMPORARY MRG_MyISAM 10 Fixed 0 0 X X X X NULL X X NULL utf8mb4_uca1400_ai_ci NULL X Y
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def test t3 BASE TABLE MRG_MyISAM 10 Fixed 1 5 X X X X NULL X X NULL utf8mb4_uca1400_ai_ci NULL X N
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DROP TABLE t1,t2,t3;
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#
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# MDEV-31618: Server crashes in
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# process_i_s_table_temporary_tables/get_all_tables
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#
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CREATE TEMPORARY SEQUENCE seq1;
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SHOW FULL TABLES;
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Tables_in_test Table_type
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seq1 TEMPORARY SEQUENCE
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SELECT table_schema, table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_type='temporary sequence';
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table_schema table_name
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test seq1
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mysqltest s2
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mysqltest s1
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ALTER TABLE `seq1` CHANGE `cache_size` cache_size int;
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ERROR HY000: Sequence 'test.seq1' table structure is invalid (cache_size)
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SHOW FULL TABLES;
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Tables_in_test Table_type
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seq1 TEMPORARY SEQUENCE
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SELECT table_schema, table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_type='temporary sequence';
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table_schema table_name
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test seq1
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mysqltest s2
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mysqltest s1
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CREATE OR REPLACE TEMPORARY SEQUENCE seq1;
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SHOW FULL TABLES;
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Tables_in_test Table_type
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seq1 TEMPORARY SEQUENCE
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SELECT table_schema, table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_type='temporary sequence';
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table_schema table_name
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test seq1
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mysqltest s2
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mysqltest s1
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DROP TABLE seq1;
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DROP TABLE mysqltest.s1;
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DROP TABLE mysqltest.s2;
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#
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# MDEV-31618: Server crashes in
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# process_i_s_table_temporary_tables/get_all_tables after alter in rename
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#
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CREATE table seq1 (a bigint, b int);
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CREATE TEMPORARY TABLE tmp LIKE seq1;
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INSERT tmp SELECT * FROM seq1;
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ALTER TABLE tmp RENAME TO seq1;
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ALTER TABLE seq1 CHANGE a b int ;
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Got one of the listed errors
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RENAME TABLE seq1 TO seq1;
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ERROR 42S01: Table 'seq1' already exists
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show full tables;
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Tables_in_test Table_type
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seq1 TEMPORARY TABLE
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seq1 BASE TABLE
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drop table seq1;
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drop table seq1;
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CREATE SEQUENCE seq2;
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CREATE TEMPORARY sequence tmp;
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show full tables;
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Tables_in_test Table_type
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tmp TEMPORARY SEQUENCE
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seq2 SEQUENCE
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ALTER table `tmp` RENAME TO seq1;
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show full tables;
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Tables_in_test Table_type
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seq1 TEMPORARY SEQUENCE
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seq2 SEQUENCE
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ALTER TABLE `seq1` CHANGE `cache_size` cache_size int ;
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ERROR HY000: Sequence 'test.seq1' table structure is invalid (cache_size)
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show full tables;
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Tables_in_test Table_type
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seq1 TEMPORARY SEQUENCE
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seq2 SEQUENCE
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RENAME TABLE seq1 TO seq1;
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ERROR 42S01: Table 'seq1' already exists
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show full tables;
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Tables_in_test Table_type
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seq1 TEMPORARY SEQUENCE
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seq2 SEQUENCE
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RENAME TABLE seq1 TO seq3;
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show full tables;
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Tables_in_test Table_type
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seq3 TEMPORARY SEQUENCE
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seq2 SEQUENCE
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drop table seq2;
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show full tables;
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Tables_in_test Table_type
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seq3 TEMPORARY SEQUENCE
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drop table seq3;
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show full tables;
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Tables_in_test Table_type
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