Method parse

tests/db/sqlengine/fts_parser_test.cc:807–809

  }

  FtsAstNodePtr parse(const std::string &query) {
    return parser_.parse(query, pipeline_);
  }

  static const TermNode &as_term(const FtsAstNode &node) {
    EXPECT_EQ(node.type(), FtsNodeType::TERM);