58 lines
1.4 KiB
C#
58 lines
1.4 KiB
C#
using System;
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using System.Globalization;
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using System.Linq;
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using Microsoft.EntityFrameworkCore;
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using CsvHelper.Configuration;
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using CsvHelper;
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using net.nehmer.sa.model;
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using System.Text;
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using var db = new StarsDatabase("stars.sqlite");
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db.Database.EnsureDeleted();
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db.Database.EnsureCreated();
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// Note: This sample requires the database to be created before running.
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Console.WriteLine($"Database path: {db.DbPath}.");
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var config = CsvConfiguration.FromAttributes<Planet>(CultureInfo.InvariantCulture);
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config.Delimiter = "\t";
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config.Escape = '\0';
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config.MissingFieldFound = null;
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using (var reader = new StreamReader("/home/torben/goingth/GOINGTH.p1", Encoding.Latin1))
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using (var csv = new CsvReader(reader, config))
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{
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List<Planet> records = csv.GetRecords<Planet>().ToList();
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foreach (Planet p in records)
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{
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db.Add(p);
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}
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db.SaveChanges();
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}
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/*
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// Create
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Console.WriteLine("Inserting a new blog");
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db.Add(new Blog { Url = "http://blogs.msdn.com/adonet" });
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db.SaveChanges();
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// Read
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Console.WriteLine("Querying for a blog");
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var blog = db.Blogs
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.OrderBy(b => b.BlogId)
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.First();
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// Update
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Console.WriteLine("Updating the blog and adding a post");
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blog.Url = "https://devblogs.microsoft.com/dotnet";
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blog.Posts.Add(
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new Post { Title = "Hello World", Content = "I wrote an app using EF Core!" });
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db.SaveChanges();
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// Delete
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// Console.WriteLine("Delete the blog");
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// db.Remove(blog);
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// db.SaveChanges();
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*/ |