Method setOptions

src/QLPredicate.actor.cpp:475–489

}

void RegExPredicate::setOptions(const std::string& _options) {
	// According to http://docs.mongodb.org/manual/reference/operator/query/regex/
	// Options can be only "i", "x", "m" and "s"
	options = pcrecpp::RE_Options();
	options.set_caseless(_options.find('i') != std::string::npos);
	options.set_multiline(_options.find('m') != std::string::npos);
	options.set_extended(_options.find('x') != std::string::npos);
	options.set_dotall(_options.find('s') != std::string::npos);

	const auto& pattern = re->pattern();
	re.reset(new pcrecpp::RE(pattern, options));

	// we need to recalculate this after each change of options
	calculateRange();
}

Future<bool> RegExPredicate::evaluate(const Reference<IReadContext>& context) {
	Future<DataValue> fdv = getMaybeRecursive(context, StringRef());