update

leetcode-cn/originData/rearrange-products-table.json

@@ -12,12 +12,12 @@
             "translatedContent": "<p>表：<code>Products</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type    |\n+-------------+---------+\n| product_id  | int     |\n| store1      | int     |\n| store2      | int     |\n| store3      | int     |\n+-------------+---------+\n在 SQL 中，这张表的主键是 product_id（产品Id）。\n每行存储了这一产品在不同商店 store1, store2, store3 的价格。\n如果这一产品在商店里没有出售，则值将为 null。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>请你重构 <code>Products</code> 表，查询每个产品在不同商店的价格，使得输出的格式变为<code>(product_id, store, price)</code> 。如果这一产品在商店里没有出售，则不输出这一行。</p>\n\n<p>输出结果表中的 <strong>顺序不作要求</strong> 。</p>\n\n<p>查询输出格式请参考下面示例。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>\nProducts table:\n+------------+--------+--------+--------+\n| product_id | store1 | store2 | store3 |\n+------------+--------+--------+--------+\n| 0          | 95     | 100    | 105    |\n| 1          | 70     | null   | 80     |\n+------------+--------+--------+--------+\n<strong>输出：</strong>\n+------------+--------+-------+\n| product_id | store  | price |\n+------------+--------+-------+\n| 0          | store1 | 95    |\n| 0          | store2 | 100   |\n| 0          | store3 | 105   |\n| 1          | store1 | 70    |\n| 1          | store3 | 80    |\n+------------+--------+-------+\n<strong>解释：</strong>\n产品 0 在 store1、store2、store3 的价格分别为 95、100、105。\n产品 1 在 store1、store3 的价格分别为 70、80。在 store2 无法买到。</pre>\n",
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             "difficulty": "Easy",
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                     "name": "Database",
@@ -40,6 +40,12 @@
                     "code": "/* Write your T-SQL query statement below */",
                     "__typename": "CodeSnippetNode"
                 },
+                {
+                    "lang": "PostgreSQL",
+                    "langSlug": "postgresql",
+                    "code": "-- Write your PostgreSQL query statement below",
+                    "__typename": "CodeSnippetNode"
+                },
                 {
                     "lang": "Oracle",
                     "langSlug": "oraclesql",
@@ -51,15 +57,9 @@
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                     "code": "import pandas as pd\n\ndef rearrange_products_table(products: pd.DataFrame) -> pd.DataFrame:\n    ",
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-                },
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