{
 "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": null,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "source": [
    "#i \"https://api.nuget.org/v3/index.json\""
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 引用 Nuget 包"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "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": null,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "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": null,
   "metadata": {
    "dotnet_interactive": {
     "language": "sql-MySQLiteDemo"
    },
    "polyglot_notebook": {
     "kernelName": "sql-MySQLiteDemo"
    }
   },
   "outputs": [],
   "source": [
    "#!sql-MySQLiteDemo\n",
    "\n",
    "select * from person;"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## C#中使用"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
    },
    "polyglot_notebook": {
     "kernelName": "csharp"
    }
   },
   "outputs": [],
   "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"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": ".NET (C#)",
   "language": "C#",
   "name": ".net-csharp"
  },
  "language_info": {
   "name": "polyglot-notebook"
  },
  "polyglot_notebook": {
   "kernelInfo": {
    "defaultKernelName": "csharp",
    "items": [
     {
      "aliases": [],
      "name": ".NET"
     },
     {
      "aliases": [
       "C#",
       "c#"
      ],
      "languageName": "C#",
      "name": "csharp"
     },
     {
      "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"
     }
    ]
   }
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}