Hello DevlopersHi this is sachin. I applied for gsoc 2016(applied by name sachin setiya) My topic was unique index for blob(MyISAM)But i already completed some part of it .it is working for blobs varchar for definitions likecreate table tbl(abc varchar(2000) , xyz blob ,unique(abc,xyz));I have corrected the table2myisam function .For documentation you can refer to my gsoc proposalIf am doing wrong please let me know.I am attaching the patch fileTODOSecond thing which i need to do isto tweak check_definition function to correctly check for definition currently I am commenting the function codeRegardssachin