leetcode-problemset/leetcode/originData/replace-employee-id-with-the-unique-identifier.json

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            "title": "Replace Employee ID With The Unique Identifier",
            "titleSlug": "replace-employee-id-with-the-unique-identifier",
            "content": "<p>Table: <code>Employees</code></p>\n\n<pre>\n+---------------+---------+\n| Column Name   | Type    |\n+---------------+---------+\n| id            | int     |\n| name          | varchar |\n+---------------+---------+\nid is the primary key (column with unique values) for this table.\nEach row of this table contains the id and the name of an employee in a company.\n</pre>\n\n<p>&nbsp;</p>\n\n<p>Table: <code>EmployeeUNI</code></p>\n\n<pre>\n+---------------+---------+\n| Column Name   | Type    |\n+---------------+---------+\n| id            | int     |\n| unique_id     | int     |\n+---------------+---------+\n(id, unique_id) is the primary key (combination of columns with unique values) for this table.\nEach row of this table contains the id and the corresponding unique id of an employee in the company.\n</pre>\n\n<p>&nbsp;</p>\n\n<p>Write a solution to show the <strong>unique ID </strong>of each user, If a user does not have a unique ID replace just show <code>null</code>.</p>\n\n<p>Return the result table in <strong>any</strong> order.</p>\n\n<p>The result format is in the following example.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nEmployees table:\n+----+----------+\n| id | name     |\n+----+----------+\n| 1  | Alice    |\n| 7  | Bob      |\n| 11 | Meir     |\n| 90 | Winston  |\n| 3  | Jonathan |\n+----+----------+\nEmployeeUNI table:\n+----+-----------+\n| id | unique_id |\n+----+-----------+\n| 3  | 1         |\n| 11 | 2         |\n| 90 | 3         |\n+----+-----------+\n<strong>Output:</strong> \n+-----------+----------+\n| unique_id | name     |\n+-----------+----------+\n| null      | Alice    |\n| null      | Bob      |\n| 2         | Meir     |\n| 3         | Winston  |\n| 1         | Jonathan |\n+-----------+----------+\n<strong>Explanation:</strong> \nAlice and Bob do not have a unique ID, We will show null instead.\nThe unique ID of Meir is 2.\nThe unique ID of Winston is 3.\nThe unique ID of Jonathan is 1.\n</pre>\n",
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            "exampleTestcases": "{\"headers\":{\"Employees\":[\"id\",\"name\"],\"EmployeeUNI\":[\"id\",\"unique_id\"]},\"rows\":{\"Employees\":[[1,\"Alice\"],[7,\"Bob\"],[11,\"Meir\"],[90,\"Winston\"],[3,\"Jonathan\"]],\"EmployeeUNI\":[[3,1],[11,2],[90,3]]}}",
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                    "lang": "Pandas",
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                    "code": "import pandas as pd\n\ndef replace_employee_id(employees: pd.DataFrame, employee_uni: pd.DataFrame) -> pd.DataFrame:\n    ",
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            "sampleTestCase": "{\"headers\":{\"Employees\":[\"id\",\"name\"],\"EmployeeUNI\":[\"id\",\"unique_id\"]},\"rows\":{\"Employees\":[[1,\"Alice\"],[7,\"Bob\"],[11,\"Meir\"],[90,\"Winston\"],[3,\"Jonathan\"]],\"EmployeeUNI\":[[3,1],[11,2],[90,3]]}}",
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                "Create table If Not Exists Employees (id int, name varchar(20))",
                "Create table If Not Exists EmployeeUNI (id int, unique_id int)",
                "Truncate table Employees",
                "insert into Employees (id, name) values ('1', 'Alice')",
                "insert into Employees (id, name) values ('7', 'Bob')",
                "insert into Employees (id, name) values ('11', 'Meir')",
                "insert into Employees (id, name) values ('90', 'Winston')",
                "insert into Employees (id, name) values ('3', 'Jonathan')",
                "Truncate table EmployeeUNI",
                "insert into EmployeeUNI (id, unique_id) values ('3', '1')",
                "insert into EmployeeUNI (id, unique_id) values ('11', '2')",
                "insert into EmployeeUNI (id, unique_id) values ('90', '3')"
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