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--echo # --echo # This tests the use of large blobs in InnoDB. --echo # --source include/have_innodb.inc --source include/have_nodebug.inc --source include/big_test.inc --disable_query_log # These values can change during the test let $innodb_file_per_table_orig = `SELECT @@innodb_file_per_table`; # Create a 20MB blob that does not compress easily. # 1000 Random characters is enough to keep compression low. set @alphabet="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; set @r=abs(rand()*52) + 1; set @blob=substr(@alphabet,@r,1); let $1=1000; while ($1 > 1) { set @r=abs(rand()*52) + 1; set @letter=substr(@alphabet,@r,1); set @blob=concat(@blob,@letter); dec $1; } # The loop above is extremely slow compared to repeat(). set @longblob=repeat(@blob,200000); --enable_query_log call mtr.add_suppression("InnoDB: Warning: a long semaphore wait"); SET GLOBAL innodb_file_per_table = OFF; --echo # --echo # System tablespace, Row Format = Redundant --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=REDUNDANT; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; --echo # --echo # System tablespace, Row Format = Compact --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; SET GLOBAL innodb_file_per_table = ON; --echo # --echo # Separate tablespace, Row Format = Redundant --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=REDUNDANT; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; --echo # --echo # Separate tablespace, Row Format = Compact --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; --echo # --echo # Separate tablespace, Row Format = Compressed, Key Block Size = 2k --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=2; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; --echo # --echo # Separate tablespace, Row Format = Compressed, Key Block Size = 1k --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 KEY_BLOCK_SIZE=1; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; --echo # --echo # Separate tablespace, Row Format = Dynamic --echo # CREATE TABLE t1 ( c1 INT DEFAULT NULL, c2 LONGBLOB NOT NULL, KEY k2 (c2(250), c1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC; INSERT INTO t1 VALUES (1, ''); UPDATE t1 SET c2=@longblob; DROP TABLE t1; --disable_query_log EVAL SET GLOBAL innodb_file_per_table = $innodb_file_per_table_orig; --enable_query_log