{
    "data": {
        "question": {
            "questionId": "1958",
            "questionFrontendId": "1809",
            "categoryTitle": "Database",
            "boundTopicId": 687194,
            "title": "Ad-Free Sessions",
            "titleSlug": "ad-free-sessions",
            "content": null,
            "translatedTitle": "没有广告的剧集",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Easy",
            "likes": 14,
            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"5K\", \"totalSubmission\": \"8.1K\", \"totalAcceptedRaw\": 4968, \"totalSubmissionRaw\": 8130, \"acRate\": \"61.1%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Playback\":[\"session_id\",\"customer_id\",\"start_time\",\"end_time\"],\"Ads\":[\"ad_id\",\"customer_id\",\"timestamp\"]},\"rows\":{\"Playback\":[[1,1,1,5],[2,1,15,23],[3,2,10,12],[4,2,17,28],[5,2,2,8]],\"Ads\":[[1,1,5],[2,2,17],[3,2,20]]}}",
            "metaData": "{\"mysql\":[\"Create table If Not Exists Playback(session_id int,customer_id int,start_time int,end_time int)\",\"Create table If Not Exists Ads (ad_id int, customer_id int, timestamp int)\"],\"mssql\":[\"Create table Playback(session_id int,customer_id int,start_time int,end_time int)\",\"Create table Ads (ad_id int, customer_id int, timestamp int)\"],\"oraclesql\":[\"Create table Playback(session_id int,customer_id int,start_time int,end_time int)\",\"Create table Ads (ad_id int, customer_id int, timestamp int)\"],\"database\":true,\"name\":\"ad_free_sessions\",\"pythondata\":[\"Playback = pd.DataFrame([], columns=['session_id', 'customer_id', 'start_time', 'end_time']).astype({'session_id':'Int64', 'customer_id':'Int64', 'start_time':'Int64', 'end_time':'Int64'})\",\"Ads = pd.DataFrame([], columns=['ad_id', 'customer_id', 'timestamp']).astype({'ad_id':'Int64', 'customer_id':'Int64', 'timestamp':'Int64'})\"],\"postgresql\":[\"\\nCreate table If Not Exists Playback(session_id int,customer_id int,start_time int,end_time int)\\n\",\"Create table If Not Exists Ads (ad_id int, customer_id int, timestamp int)\"],\"database_schema\":{\"Playback\":{\"session_id\":\"INT\",\"customer_id\":\"INT\",\"start_time\":\"INT\",\"end_time\":\"INT\"},\"Ads\":{\"ad_id\":\"INT\",\"customer_id\":\"INT\",\"timestamp\":\"INT\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Playback(session_id int,customer_id int,start_time int,end_time int)",
                "Create table If Not Exists Ads (ad_id int, customer_id int, timestamp int)",
                "Truncate table Playback",
                "insert into Playback (session_id, customer_id, start_time, end_time) values ('1', '1', '1', '5')",
                "insert into Playback (session_id, customer_id, start_time, end_time) values ('2', '1', '15', '23')",
                "insert into Playback (session_id, customer_id, start_time, end_time) values ('3', '2', '10', '12')",
                "insert into Playback (session_id, customer_id, start_time, end_time) values ('4', '2', '17', '28')",
                "insert into Playback (session_id, customer_id, start_time, end_time) values ('5', '2', '2', '8')",
                "Truncate table Ads",
                "insert into Ads (ad_id, customer_id, timestamp) values ('1', '1', '5')",
                "insert into Ads (ad_id, customer_id, timestamp) values ('2', '2', '17')",
                "insert into Ads (ad_id, customer_id, timestamp) values ('3', '2', '20')"
            ],
            "enableRunCode": true,
            "envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"Playback\":[\"session_id\",\"customer_id\",\"start_time\",\"end_time\"],\"Ads\":[\"ad_id\",\"customer_id\",\"timestamp\"]},\"rows\":{\"Playback\":[[1,1,1,5],[2,1,15,23],[3,2,10,12],[4,2,17,28],[5,2,2,8]],\"Ads\":[[1,1,5],[2,2,17],[3,2,20]]}}",
            "__typename": "QuestionNode"
        }
    }
}