Function ParseSQLQuery

src/commands/cmd_search.cc:233–255

using CommandParserWithNode = std::pair<CommandParserFromConst<std::vector<std::string>>, std::unique_ptr<kqir::Node>>;

static StatusOr<CommandParserWithNode> ParseSQLQuery(const std::vector<std::string> &args) {
  CommandParser parser(args, 1);

  auto sql = GET_OR_RET(parser.TakeStr());

  kqir::ParamMap param_map;
  if (parser.EatEqICase("PARAMS")) {
    auto nargs = GET_OR_RET(parser.TakeInt<size_t>());
    if (nargs % 2 != 0) {
      return {Status::NotOK, "nargs of PARAMS must be multiple of 2"};
    }

    for (size_t i = 0; i < nargs / 2; ++i) {
      auto key = GET_OR_RET(parser.TakeStr());
      auto val = GET_OR_RET(parser.TakeStr());

      param_map.emplace(key, val);
    }
  }

  auto ir = GET_OR_RET(kqir::sql::ParseToIR(kqir::peg::string_input(sql, "ft.searchsql"), param_map));
  return std::make_pair(parser, std::move(ir));
}

class CommandFTExplainSQL : public Commander {
  Status Parse([[maybe_unused]] const std::vector<std::string> &args) override {