{
 "cells": [
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "连接到 SQLite 数据库\n",
    "============================== "
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "连接到 SQLite 数据库,并操作数据。注意：此功能在 Microsoft.DotNet.Interactive.ExtensionLab 扩展库中，要先引用 Nuget 包。"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 设置Nuget包源"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><div><strong>Restore sources</strong><ul><li><span>https://api.nuget.org/v3/index.json</span></li></ul></div><div></div><div></div></div>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#i \"https://api.nuget.org/v3/index.json\""
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 引用 Nuget 包"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><div><strong>Restore sources</strong><ul><li><span>https://api.nuget.org/v3/index.json</span></li></ul></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Microsoft.DotNet.Interactive.ExtensionLab, 1.0.0-beta.23165.2</span></li></ul></div></div>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/plain": [
       "Loading extensions from `C:\\Users\\ruyu\\.nuget\\packages\\microsoft.dotnet.interactive.extensionlab\\1.0.0-beta.23165.2\\interactive-extensions\\dotnet\\Microsoft.DotNet.Interactive.ExtensionLab.dll`"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/html": [
       "<details><summary>Create strongly-typed dataframes using<code>#!linqify</code>.</summary>\r\n",
       "    <p>The <code>#!linqify</code> magic command replaces a <a href=\"https://www.nuget.org/packages/Microsoft.Data.Analysis/\"><code>Microsoft.Data.Analysis.DataFrame</code></a> variable with a generated, strongly-typed data frame, allowing the use of LINQ operations over the contained data.</p>\r\n",
       "    </details>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/html": [
       "<details><summary>ExplainCode</summary>\r\n",
       "    <p>This extension generates Sequence diagrams from csharp code using Mermaid kernel.</p>\r\n",
       "    </details>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/html": [
       "<details><summary>Inspect code compilation details using the <code>#!inspect</code> magic command.</summary>\r\n",
       "    <p>The <code>#!inspect</code> magic command allows you to see the C# decompilation, IL, and JIT Asm for the code in a C# cell.</p>\r\n",
       "    <img src=\"https://user-images.githubusercontent.com/547415/109560515-d5749a00-7a90-11eb-9fa3-51b737345bb4.png\" width=\"75%\" />\r\n",
       "    </details>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/html": [
       "<details><summary>Use the <code>#!record</code> magic command to keep a transcript of the code you run.</summary>\r\n",
       "    <p>Once you enable transcripts using <code>#!record</code>, each code submission (including re-running cells) is recorded in the specified file. The JSON format used is the same format recognized by the .NET Interactive <code>stdio</code> and <code>http</code> APIs and can be used to replay an interactive session via automation.</p>\r\n",
       "    <img src=\"https://user-images.githubusercontent.com/547415/109562409-343b1300-7a93-11eb-8ebf-79bb6af028cf.png\" width=\"75%\" />\r\n",
       "    </details>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/html": [
       "<details><summary>Query SQLite databases.</summary>\r\n",
       "    <p>This extension adds support for connecting to SQLite databases using the <code>#!connect sqlite</code> magic command. For more information, run a cell using the <code>#!sql</code> magic command.</p>\r\n",
       "    </details>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/plain": [
       "Loading extensions from `C:\\Users\\ruyu\\.nuget\\packages\\microsoft.data.analysis\\0.20.0\\interactive-extensions\\dotnet\\Microsoft.Data.Analysis.Interactive.dll`"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#r \"nuget:  Microsoft.DotNet.Interactive.ExtensionLab,*-*\""
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 连接到 SQLite 数据库"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "引用扩展库后，使用 #!connect sqlite 命令连接到SQLite数据库！"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Kernel added: #!sql-MySQLiteDemo"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#!connect sqlite --kernel-name MySQLiteDemo \"Data Source=sqlite\\\\SQLiteDemo.db\"\n",
    "\n",
    "/*\n",
    "    相对目录位置\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=Database\\SQLiteDemo.db;\"\n",
    "    \n",
    "    缓存共享\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=Database\\SQLiteDemo.db;Cache=Shared;\"\n",
    "\n",
    "    使用带密码\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=SQLiteDemo.db;Cache=Shared;Password=MyEncryptionKey;\"\n",
    "    \n",
    "    只读模式\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=SQLiteDemo.db;Mode=ReadOnly\"\n",
    "\n",
    "    读写创建模式\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=SQLiteDemo.db;Mode=ReadWriteCreate\"\n",
    "\n",
    "    读写模式\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=SQLiteDemo.db;Mode=ReadWrite\"\n",
    "\n",
    "    私有内存模式\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=:memory:\"\n",
    "\n",
    "    共享内存模式\n",
    "    #!connect sqlite --kernel-name MySQLiteDemo \"Data Source=Sharable;Mode=Memory;Cache=Shared\"\n",
    "*/"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 使用连接操作数据库"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "dotnet_interactive": {
     "language": "sql-MySQLiteDemo"
    },
    "polyglot_notebook": {
     "kernelName": "sql-MySQLiteDemo"
    }
   },
   "outputs": [
    {
     "data": {
      "text/csv": [
       "Id,Name,Age\r\n",
       "1,张三,66\r\n",
       "2,李四,55\r\n"
      ],
      "text/html": [
       "<table><thead><tr><td><span>Id</span></td><td><span>Name</span></td><td><span>Age</span></td></tr></thead><tbody><tr><td><div class=\"dni-plaintext\"><pre>1</pre></div></td><td>张三</td><td><div class=\"dni-plaintext\"><pre>66</pre></div></td></tr><tr><td><div class=\"dni-plaintext\"><pre>2</pre></div></td><td>李四</td><td><div class=\"dni-plaintext\"><pre>55</pre></div></td></tr></tbody></table><style>\r\n",
       ".dni-code-hint {\r\n",
       "    font-style: italic;\r\n",
       "    overflow: hidden;\r\n",
       "    white-space: nowrap;\r\n",
       "}\r\n",
       ".dni-treeview {\r\n",
       "    white-space: nowrap;\r\n",
       "}\r\n",
       ".dni-treeview td {\r\n",
       "    vertical-align: top;\r\n",
       "    text-align: start;\r\n",
       "}\r\n",
       "details.dni-treeview {\r\n",
       "    padding-left: 1em;\r\n",
       "}\r\n",
       "table td {\r\n",
       "    text-align: start;\r\n",
       "}\r\n",
       "table tr { \r\n",
       "    vertical-align: top; \r\n",
       "    margin: 0em 0px;\r\n",
       "}\r\n",
       "table tr td pre \r\n",
       "{ \r\n",
       "    vertical-align: top !important; \r\n",
       "    margin: 0em 0px !important;\r\n",
       "} \r\n",
       "table th {\r\n",
       "    text-align: start;\r\n",
       "}\r\n",
       "</style>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#!sql-MySQLiteDemo\n",
    "\n",
    "select * from person;"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## C#中使用"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "xxxxxxxx\r\n"
     ]
    }
   ],
   "source": [
    "//直接引用包，使用类库操作就可以了，不需要使用 上下文连接"
   ]
  }
 ],
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  "kernelspec": {
   "display_name": ".NET (C#)",
   "language": "C#",
   "name": ".net-csharp"
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  "language_info": {
   "name": "polyglot-notebook"
  },
  "polyglot_notebook": {
   "kernelInfo": {
    "defaultKernelName": "csharp",
    "items": [
     {
      "aliases": [],
      "name": ".NET"
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      "aliases": [
       "C#",
       "c#"
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      "name": "csharp"
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      "aliases": [
       "F#",
       "f#"
      ],
      "languageName": "F#",
      "name": "fsharp"
     },
     {
      "aliases": [],
      "languageName": "HTML",
      "name": "html"
     },
     {
      "aliases": [],
      "languageName": "KQL",
      "name": "kql"
     },
     {
      "aliases": [],
      "languageName": "Mermaid",
      "name": "mermaid"
     },
     {
      "aliases": [
       "powershell"
      ],
      "languageName": "PowerShell",
      "name": "pwsh"
     },
     {
      "aliases": [],
      "languageName": "SQL",
      "name": "sql"
     },
     {
      "aliases": [],
      "languageName": "T-SQL",
      "name": "sql-Demo"
     },
     {
      "aliases": [],
      "languageName": "T-SQL",
      "name": "sql-DemoEF"
     },
     {
      "aliases": [],
      "languageName": "SQLite",
      "name": "sql-MySQLiteDemo"
     },
     {
      "aliases": [],
      "name": "value"
     },
     {
      "aliases": [
       "frontend"
      ],
      "name": "vscode"
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    ]
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  }
 },
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