In create_tmp_table() don't set full table path as a table name. Other code assumes table names to not exceed NAME_LEN bytes.


sql/sql_select.cc:
  In create_tmp_table() don't set full table path as a table name. Other code assumes table names to not exceed NAME_LEN bytes.
mysql-test/r/long_tmpdir.result:
  Added testcase for bug #29015 "Stack overflow in processing temporary table name when tmpdir path is long"
mysql-test/t/long_tmpdir-master.opt:
  Added testcase for bug #29015 "Stack overflow in processing temporary table name when tmpdir path is long"
mysql-test/t/long_tmpdir-master.sh:
  Added testcase for bug #29015 "Stack overflow in processing temporary table name when tmpdir path is long"
mysql-test/t/long_tmpdir.test:
  Added testcase for bug #29015 "Stack overflow in processing temporary table name when tmpdir path is long"