Function Token2kv

cpp_src/core/query/sql/sqlparser.cc:352–397

};

Variant Token2kv(const Token& tok, Tokenizer& parser, CompositeAllowed allowComposite, FieldAllowed allowField, NullAllowed allowNull) {
	if (tok.Text() == "{"sv) {
		// Composite value parsing
		if (!allowComposite) {
			const auto range = parser.Where(tok);
			throw SqlParserError(range, "Unexpected '{{' in query, {}", range);
		}
		VariantArray compositeValues;
		for (;;) {
			auto nextTok = parser.NextToken();
			compositeValues.push_back(Token2kv(nextTok, parser, CompositeAllowed_False, FieldAllowed_False, allowNull));
			nextTok = parser.NextToken();
			if (nextTok.Text() == "}"sv) {
				return Variant(compositeValues);  // end process
			}
			if (nextTok.Text() != ","sv) {
				const auto range = parser.Where(nextTok);
				throw SqlParserError(range, "Expected ',', but found '{}' in query, {}", nextTok.Text(), range);
			}
		}
	}

	const std::string_view value = tok.Text();
	if (tok.Type() == TokenName) {
		if (iequals(value, "true"sv)) {
			return Variant{true};
		}
		if (iequals(value, "false"sv)) {
			return Variant{false};
		}
		if (iequals(value, "null"sv)) {
			if (allowNull) {
				return Variant{};
			}
		} else if (allowField) {
			return Variant{};
		}
	}

	if (tok.Type() != TokenNumber && tok.Type() != TokenString) {
		const auto range = parser.Where(tok);
		throw SqlParserError(range, "Expected parameter, but found '{}' in query, {}", tok.Text(), range);
	}

	return GetVariantFromToken(tok);
}

template <typename Sortable>
void SQLParser::parseOrderBy(Tokenizer& parser, Sortable& sortable) {