Comment by mritchie712

a fun function in duckdb (which I think they're using here) is `json_serialize_sql`. It returns a JSON AST of the SQL

    SELECT json_serialize_sql('SELECT 2');



    [
        {
            "json_serialize_sql('SELECT 2')": {
                "error": false,
                "statements": [
                    {
                        "node": {
                            "type": "SELECT_NODE",
                            "modifiers": [],
                            "cte_map": {
                                "map": []
                            },
                            "select_list": [
                                {
                                    "class": "CONSTANT",
                                    "type": "VALUE_CONSTANT",
                                    "alias": "",
                                    "query_location": 7,
                                    "value": {
                                        "type": {
                                            "id": "INTEGER",
                                            "type_info": null
                                        },
                                        "is_null": false,
                                        "value": 2
                                    }
                                }
                            ],
                            "from_table": {
                                "type": "EMPTY",
                                "alias": "",
                                "sample": null,
                                "query_location": 18446744073709551615
                            },
                            "where_clause": null,
                            "group_expressions": [],
                            "group_sets": [],
                            "aggregate_handling": "STANDARD_HANDLING",
                            "having": null,
                            "sample": null,
                            "qualify": null
                        },
                        "named_param_map": []
                    }
                ]
            }
        }
    ]