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248 lines
8 KiB
Text
248 lines
8 KiB
Text
create function get_index_id(tbl_id int, index_name char(100))
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returns int
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begin
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declare res int;
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select index_id into res from information_schema.innodb_sys_indexes where
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name=index_name and table_id = tbl_id;
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return res;
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end|
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create table t (
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pk int primary key,
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a int,
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b int,
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c int,
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unique index a_key (a),
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key c_key (c)
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) engine=innodb stats_persistent=1;
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insert into t values (1, 1, 1, 1);
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set @table_id = (select table_id from information_schema.innodb_sys_tables where name='test/t');
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set @a_key_id = get_index_id(@table_id, 'a_key');
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set @c_key_id = get_index_id(@table_id, 'c_key');
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set @primary_id = get_index_id(@table_id, 'primary');
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select distinct(index_name) from mysql.innodb_index_stats where table_name = 't';
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index_name
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PRIMARY
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a_key
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c_key
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alter table t
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drop index a_key,
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add unique index a_key_strikes_back (a);
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select distinct(index_name) from mysql.innodb_index_stats where table_name = 't';
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index_name
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PRIMARY
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a_key_strikes_back
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c_key
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check table t;
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Table Op Msg_type Msg_text
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test.t check status OK
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select @a_key_id = get_index_id(@table_id, 'a_key_strikes_back'),
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@c_key_id = get_index_id(@table_id, 'c_key'),
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@primary_id = get_index_id(@table_id, 'primary');
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@a_key_id = get_index_id(@table_id, 'a_key_strikes_back') @c_key_id = get_index_id(@table_id, 'c_key') @primary_id = get_index_id(@table_id, 'primary')
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1 1 1
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set @a_key_strikes_back_id = get_index_id(@table_id, 'a_key_strikes_back');
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set @c_key_id = get_index_id(@table_id, 'c_key');
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set @primary_id = get_index_id(@table_id, 'primary');
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alter table t
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drop index a_key_strikes_back,
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add unique index a_key_returns (a),
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drop primary key,
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add primary key (pk),
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add unique index b_key (b);
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check table t;
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Table Op Msg_type Msg_text
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test.t check status OK
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select @a_key_strikes_back_id = get_index_id(@table_id, 'a_key_returns'),
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@c_key_id = get_index_id(@table_id, 'c_key'),
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@primary_id = get_index_id(@table_id, 'primary');
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@a_key_strikes_back_id = get_index_id(@table_id, 'a_key_returns') @c_key_id = get_index_id(@table_id, 'c_key') @primary_id = get_index_id(@table_id, 'primary')
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1 1 1
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set @a_key_returns_id = get_index_id(@table_id, 'a_key_returns');
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set @b_key_id = get_index_id(@table_id, 'b_key');
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set @c_key_id = get_index_id(@table_id, 'c_key');
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set @primary_id = get_index_id(@table_id, 'primary');
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alter table t
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drop key c_key,
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add key c_key2 (c);
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check table t;
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Table Op Msg_type Msg_text
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test.t check status OK
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select @a_key_returns_id = get_index_id(@table_id, 'a_key_returns'),
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@b_key_id = get_index_id(@table_id, 'b_key'),
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@c_key_id = get_index_id(@table_id, 'c_key2'),
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@primary_id = get_index_id(@table_id, 'primary');
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@a_key_returns_id = get_index_id(@table_id, 'a_key_returns') @b_key_id = get_index_id(@table_id, 'b_key') @c_key_id = get_index_id(@table_id, 'c_key2') @primary_id = get_index_id(@table_id, 'primary')
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1 1 1 1
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drop table t;
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create table errors (
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a int,
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unique key a_key (a),
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b int
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) engine=innodb;
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alter table errors
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drop key a_key,
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drop key a_key,
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add unique key a_key2 (a);
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ERROR 42000: Can't DROP INDEX `a_key`; check that it exists
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alter table errors
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drop key a_key,
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drop key a_key2,
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add unique key a_key2 (a);
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ERROR 42000: Can't DROP INDEX `a_key2`; check that it exists
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alter table errors
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add key b_key (b),
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drop key b_key,
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add key bb_key (b);
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ERROR 42000: Can't DROP INDEX `b_key`; check that it exists
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alter table errors
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drop key a_key,
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add key a_key2 (a),
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drop key a_key,
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add key a_key2 (a);
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ERROR 42000: Can't DROP INDEX `a_key`; check that it exists
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drop table errors;
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create table corrupted (
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a int,
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key a_key (a)
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) engine=innodb;
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insert into corrupted values (1);
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select * from corrupted;
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a
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1
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SET @save_dbug = @@SESSION.debug_dbug;
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SET debug_dbug = '+d,dict_set_index_corrupted';
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check table corrupted;
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Table Op Msg_type Msg_text
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test.corrupted check Warning InnoDB: Index a_key is marked as corrupted
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test.corrupted check error Corrupt
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SET debug_dbug = @save_dbug;
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select * from corrupted;
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ERROR HY000: Index corrupted is corrupted
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alter table corrupted
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drop key a_key,
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add key a_key2 (a);
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ERROR HY000: Index a_key is corrupted
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alter table corrupted
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drop key a_key;
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select * from corrupted;
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a
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1
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check table corrupted;
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Table Op Msg_type Msg_text
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test.corrupted check status OK
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drop table corrupted;
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create table t (
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a int,
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unique key a_key (a)
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) engine=innodb stats_persistent=1;
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SET @save_dbug = @@SESSION.debug_dbug;
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SET debug_dbug = '+d,ib_rename_index_fail1';
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alter table t
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drop key a_key,
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add unique key a_key2 (a),
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algorithm=instant;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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SET debug_dbug = @save_dbug;
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alter table t
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drop key a_key,
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add unique key `GEN_CLUST_INDEX` (a),
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algorithm=instant;
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ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX'
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show create table t;
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Table Create Table
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t CREATE TABLE `t` (
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`a` int(11) DEFAULT NULL,
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UNIQUE KEY `a_key` (`a`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci STATS_PERSISTENT=1
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drop table t;
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create table rename_column_and_index (
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a int,
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unique index a_key(a)
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) engine=innodb;
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insert into rename_column_and_index values (1), (3);
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alter table rename_column_and_index
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change a aa int,
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drop key a_key,
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add unique key aa_key(aa),
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algorithm=instant;
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show create table rename_column_and_index;
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Table Create Table
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rename_column_and_index CREATE TABLE `rename_column_and_index` (
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`aa` int(11) DEFAULT NULL,
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UNIQUE KEY `aa_key` (`aa`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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check table rename_column_and_index;
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Table Op Msg_type Msg_text
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test.rename_column_and_index check status OK
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drop table rename_column_and_index;
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#
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# MDEV-19189: ASAN memcpy-param-overlap in fill_alter_inplace_info upon adding indexes
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#
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CREATE TABLE t1 (f1 INT, f2 INT, f3 INT);
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ALTER TABLE t1 ADD FOREIGN KEY f (f2) REFERENCES xx(f2);
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ALTER TABLE t1 ADD FOREIGN KEY (f2) REFERENCES t1(f2), ADD KEY (f3), ADD KEY (f1);
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DROP TABLE t1;
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#
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# MDEV-21669 InnoDB: Table ... contains <n> indexes inside InnoDB, which is different from the number of indexes <n> defined in the MariaDB
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#
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CREATE TABLE t1 (col_int INTEGER, col_char CHAR(20), col_varchar VARCHAR(500)) ENGINE=InnoDB;
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SET @table_id = (SELECT table_id FROM information_schema.innodb_sys_tables WHERE name='test/t1');
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ALTER TABLE t1 ADD KEY idx3 (col_varchar(9)), ADD KEY idX2 (col_char(9));
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SET @idx3_key_id = get_index_id(@table_id, 'iDx3');
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ALTER TABLE t1 DROP KEY iDx3, ADD KEY Idx3 (col_varchar(9));
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SELECT @idx3_key_id = get_index_id(@table_id, 'Idx3');
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@idx3_key_id = get_index_id(@table_id, 'Idx3')
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1
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CHECK TABLE t1 EXTENDED ;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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DROP TABLE t1;
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DROP FUNCTION get_index_id;
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#
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# MDEV-23356 InnoDB: Failing assertion: field->col->mtype == type, crash or ASAN failures in row_sel_convert_mysql_key_to_innobase, InnoDB indexes are inconsistent after INDEX changes
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#
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CREATE TABLE t1 (a INT, b INT, c CHAR(8),
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KEY ind1(c), KEY ind2(b)) ENGINE=InnoDB STATS_PERSISTENT=1;
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INSERT INTO t1 SELECT 1, 1, 'a' FROM seq_1_to_100;
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SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
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table_name index_name stat_name
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t1 GEN_CLUST_INDEX n_diff_pfx01
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t1 GEN_CLUST_INDEX n_leaf_pages
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t1 GEN_CLUST_INDEX size
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t1 ind1 n_diff_pfx01
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t1 ind1 n_diff_pfx02
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t1 ind1 n_leaf_pages
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t1 ind1 size
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t1 ind2 n_diff_pfx01
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t1 ind2 n_diff_pfx02
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t1 ind2 n_leaf_pages
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t1 ind2 size
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ALTER TABLE t1 DROP INDEX ind2, ADD INDEX ind3(b),
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DROP INDEX ind1, ADD INDEX ind2(c);
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SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
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table_name index_name stat_name
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t1 GEN_CLUST_INDEX n_diff_pfx01
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t1 GEN_CLUST_INDEX n_leaf_pages
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t1 GEN_CLUST_INDEX size
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t1 ind2 n_diff_pfx01
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t1 ind2 n_diff_pfx02
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t1 ind2 n_leaf_pages
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t1 ind2 size
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t1 ind3 n_diff_pfx01
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t1 ind3 n_diff_pfx02
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t1 ind3 n_leaf_pages
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t1 ind3 size
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ALTER TABLE t1 DROP b, FORCE;
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SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
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table_name index_name stat_name
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t1 GEN_CLUST_INDEX n_diff_pfx01
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t1 GEN_CLUST_INDEX n_leaf_pages
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t1 GEN_CLUST_INDEX size
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t1 ind2 n_diff_pfx01
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t1 ind2 n_diff_pfx02
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t1 ind2 n_leaf_pages
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t1 ind2 size
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UPDATE t1 SET a = 1 WHERE c = 'foo';
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DROP TABLE t1;
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SELECT table_name, index_name, stat_name FROM mysql.innodb_index_stats;
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table_name index_name stat_name
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