exceeds the maximum record size.  (Bug #5682)


innobase/data/data0type.c:
  Remove function dtype_str_needs_mysql_cmp().
  Document dtype_get_at_most_n_mbchars().
  dtype_get_at_most_n_mbchars(): Use mbminlen and mbmaxlen.
innobase/dict/dict0crea.c:
  dict_build_table_def_step(): Reject if minimum row size is too big.
innobase/include/data0type.h:
  Remove dtype_str_needs_mysql_cmp().
  Document dtype_get_at_most_n_mbchars().
  Add dtype_get_min_size().
innobase/include/data0type.ic:
  Add dtype_get_min_size().
innobase/include/row0mysql.h:
  row_mysql_store_col_in_innobase_format(): Add parameter comp,
  as we will only truncate UTF-8 CHAR(n) columns in row_format=compact.
innobase/include/row0mysql.ic:
  row_mysql_store_col_in_innobase_format(): Add parameter comp,
  as we will only truncate UTF-8 CHAR(n) columns in row_format=compact.
innobase/row/row0mysql.c:
  Pass parameter comp to row_mysql_store_col_in_innobase_format().
innobase/row/row0sel.c:
  Pass parameter comp to row_mysql_store_col_in_innobase_format().
  row_sel_field_store_in_mysql_format(): Undo the stripping of
  UTF-8 CHAR(n) columns by padding with spaces.