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# # MDEV-15953 Alter InnoDB Partitioned Table Moves Files (which were originally not in the datadir) to the datadir # CREATE TABLE t ( a INT NOT NULL ) ENGINE=INNODB PARTITION BY HASH (a) ( PARTITION p1 DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here/' ENGINE = INNODB, PARTITION p2 DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here/' ENGINE = INNODB ); INSERT INTO t VALUES (1); SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY HASH (`a`) (PARTITION `p1` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB, PARTITION `p2` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB) ALTER TABLE t ADD PRIMARY KEY pk(a), ALGORITHM=INPLACE; Warnings: Warning 1280 Name 'pk' ignored for PRIMARY key. SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY HASH (`a`) (PARTITION `p1` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB, PARTITION `p2` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB) ALTER TABLE t DROP PRIMARY KEY, ALGORITHM=COPY; SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY HASH (`a`) (PARTITION `p1` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB, PARTITION `p2` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB) SET @TMP = @@GLOBAL.INNODB_FILE_PER_TABLE; SET GLOBAL INNODB_FILE_PER_TABLE=OFF; ALTER TABLE t ADD PRIMARY KEY pk(a), ALGORITHM=INPLACE; Warnings: Warning 1280 Name 'pk' ignored for PRIMARY key. SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY HASH (`a`) (PARTITION `p1` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB, PARTITION `p2` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB) SET GLOBAL INNODB_FILE_PER_TABLE=@TMP; ALTER TABLE t REORGANIZE PARTITION p1,p2 INTO ( PARTITION p1 DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_somewhere_else/' ENGINE = INNODB, PARTITION p2 DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_somewhere_else/' ENGINE = INNODB ); Warnings: Warning 1982 <DATA DIRECTORY> option ignored for InnoDB partition Warning 1982 <DATA DIRECTORY> option ignored for InnoDB partition SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, PRIMARY KEY (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY HASH (`a`) (PARTITION `p1` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB, PARTITION `p2` DATA DIRECTORY = 'MYSQLTEST_VARDIR/tmp/partitions_here' ENGINE = InnoDB) DROP TABLE t;