+ { "attachment", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
+ SEXP_FLAG_FIELD },
+ { "body", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
+ SEXP_FLAG_FIELD },
+ { "from", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
+ SEXP_FLAG_FIELD },
+ { "folder", Xapian::Query::OP_OR, Xapian::Query::MatchNothing,
+ SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN },
+ { "id", Xapian::Query::OP_OR, Xapian::Query::MatchNothing,
+ SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN },
+ { "is", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
+ SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN },
+ { "mid", Xapian::Query::OP_OR, Xapian::Query::MatchNothing,
+ SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN },
+ { "mimetype", Xapian::Query::OP_AND, Xapian::Query::MatchAll,
+ SEXP_FLAG_FIELD },