def incorrect_blobs(db, table)
    return [] if (db.url =~ /mysql:\/\//).nil?

    columns = []
    db.schema(table).each do |data|
      column, cdata = data
      columns << column if cdata[:db_type] =~ /text/
    end
    columns
  end
def incorrect_blobs(db, table)
    return [] if (db.url =~ /mysql:\/\//).nil?

    columns = []
    db.schema(table).each do |data|
      column, cdata = data
      columns << column if cdata[:db_type] =~ /text/
    end
    columns
  end
mysql text and blobs fields are handled the same way internally
 this is not true for other databases so we must check if the field is
 actually text and manually convert it back to a string