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1 | | -using System; |
2 | | -using System.Collections.Generic; |
3 | | -using SqlKata; |
4 | | -using SqlKata.Compilers; |
5 | | -using SqlKata.Execution; |
6 | | -using System.Data.SqlClient; |
7 | | -using System.Threading.Tasks; |
8 | | -using System.Linq; |
9 | | -using Newtonsoft.Json; |
10 | | -using Npgsql; |
11 | | -using System.Data; |
12 | | -using Dapper; |
13 | | -using System.Data.SQLite; |
14 | | -using static SqlKata.Expressions; |
15 | | -using System.IO; |
16 | | - |
17 | | -namespace Program |
18 | | -{ |
19 | | - class Program |
20 | | - { |
21 | | - private class Loan |
22 | | - { |
23 | | - public string Id { get; set; } |
24 | | - public string Name { get; set; } |
25 | | - public List<Installment> Installments { get; set; } = new List<Installment>(); |
26 | | - } |
27 | | - |
28 | | - private class Installment |
29 | | - { |
30 | | - public string Id { get; set; } |
31 | | - public string LoanId { get; set; } |
32 | | - public int DaysCount { get; set; } |
33 | | - } |
34 | | - |
35 | | - static void Main(string[] args) |
36 | | - { |
37 | | - using (var db = SqlLiteQueryFactory()) |
38 | | - { |
39 | | - var query = db.Query("accounts") |
40 | | - .Where("balance", ">", 0) |
41 | | - .GroupBy("balance") |
42 | | - .Limit(10); |
43 | | - |
44 | | - var accounts = query.Clone().Get(); |
45 | | - Console.WriteLine(JsonConvert.SerializeObject(accounts, Formatting.Indented)); |
46 | | - |
47 | | - var exists = query.Clone().Exists(); |
48 | | - Console.WriteLine(exists); |
49 | | - } |
50 | | - } |
51 | | - |
52 | | - private static void log(Compiler compiler, Query query) |
53 | | - { |
54 | | - var compiled = compiler.Compile(query); |
55 | | - Console.WriteLine(compiled.ToString()); |
56 | | - Console.WriteLine(JsonConvert.SerializeObject(compiled.Bindings)); |
57 | | - } |
58 | | - |
59 | | - private static QueryFactory SqlLiteQueryFactory() |
60 | | - { |
61 | | - var compiler = new SqliteCompiler(); |
62 | | - |
63 | | - var connection = new SQLiteConnection("Data Source=Demo.db"); |
64 | | - |
65 | | - var db = new QueryFactory(connection, compiler); |
66 | | - |
67 | | - db.Logger = result => |
68 | | - { |
69 | | - Console.WriteLine(result.ToString()); |
70 | | - }; |
71 | | - |
72 | | - if (!File.Exists("Demo.db")) |
73 | | - { |
74 | | - Console.WriteLine("db not exists creating db"); |
75 | | - |
76 | | - SQLiteConnection.CreateFile("Demo.db"); |
77 | | - |
78 | | - db.Statement("create table accounts(id integer primary key autoincrement, name varchar, currency_id varchar, balance decimal, created_at datetime);"); |
79 | | - for (var i = 0; i < 10; i++) |
80 | | - { |
81 | | - db.Statement("insert into accounts(name, currency_id, balance, created_at) values(@name, @currency, @balance, @date)", new |
82 | | - { |
83 | | - name = $"Account {i}", |
84 | | - currency = "USD", |
85 | | - balance = 100 * i * 1.1, |
86 | | - date = DateTime.UtcNow, |
87 | | - }); |
88 | | - } |
89 | | - |
90 | | - } |
91 | | - |
92 | | - return db; |
93 | | - |
94 | | - } |
95 | | - |
96 | | - private static QueryFactory SqlServerQueryFactory() |
97 | | - { |
98 | | - var compiler = new PostgresCompiler(); |
99 | | - var connection = new SqlConnection( |
100 | | - "Server=tcp:localhost,1433;Initial Catalog=Lite;User ID=sa;Password=P@ssw0rd" |
101 | | - ); |
102 | | - |
103 | | - var db = new QueryFactory(connection, compiler); |
104 | | - |
105 | | - db.Logger = result => |
106 | | - { |
107 | | - Console.WriteLine(result.ToString()); |
108 | | - }; |
109 | | - |
110 | | - return db; |
111 | | - } |
112 | | - |
113 | | - } |
114 | | -} |
| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using SqlKata; |
| 4 | +using SqlKata.Compilers; |
| 5 | +using SqlKata.Execution; |
| 6 | +using System.Data.SqlClient; |
| 7 | +using System.Threading.Tasks; |
| 8 | +using System.Linq; |
| 9 | +using Newtonsoft.Json; |
| 10 | +using Npgsql; |
| 11 | +using System.Data; |
| 12 | +using Dapper; |
| 13 | +using System.Data.SQLite; |
| 14 | +using static SqlKata.Expressions; |
| 15 | +using System.IO; |
| 16 | + |
| 17 | +namespace Program |
| 18 | +{ |
| 19 | + class Program |
| 20 | + { |
| 21 | + private class Loan |
| 22 | + { |
| 23 | + public string Id { get; set; } |
| 24 | + public string Name { get; set; } |
| 25 | + public List<Installment> Installments { get; set; } = new List<Installment>(); |
| 26 | + } |
| 27 | + |
| 28 | + private class Installment |
| 29 | + { |
| 30 | + public string Id { get; set; } |
| 31 | + public string LoanId { get; set; } |
| 32 | + public int DaysCount { get; set; } |
| 33 | + } |
| 34 | + |
| 35 | + static void Main(string[] args) |
| 36 | + { |
| 37 | + using (var db = SqlLiteQueryFactory()) |
| 38 | + { |
| 39 | + var query = db.Query("accounts") |
| 40 | + .Where("balance", ">", 0) |
| 41 | + .GroupBy("balance") |
| 42 | + .Limit(10); |
| 43 | + |
| 44 | + var accounts = query.Clone().Get(); |
| 45 | + Console.WriteLine(JsonConvert.SerializeObject(accounts, Formatting.Indented)); |
| 46 | + |
| 47 | + var exists = query.Clone().Exists(); |
| 48 | + Console.WriteLine(exists); |
| 49 | + } |
| 50 | + } |
| 51 | + |
| 52 | + private static void log(Compiler compiler, Query query) |
| 53 | + { |
| 54 | + var compiled = compiler.Compile(query); |
| 55 | + Console.WriteLine(compiled.ToString()); |
| 56 | + Console.WriteLine(JsonConvert.SerializeObject(compiled.Bindings)); |
| 57 | + } |
| 58 | + |
| 59 | + private static QueryFactory SqlLiteQueryFactory() |
| 60 | + { |
| 61 | + var compiler = new SqliteCompiler(); |
| 62 | + |
| 63 | + var connection = new SQLiteConnection("Data Source=Demo.db"); |
| 64 | + |
| 65 | + var db = new QueryFactory(connection, compiler); |
| 66 | + |
| 67 | + db.Logger = result => |
| 68 | + { |
| 69 | + Console.WriteLine(result.ToString()); |
| 70 | + }; |
| 71 | + |
| 72 | + if (!File.Exists("Demo.db")) |
| 73 | + { |
| 74 | + Console.WriteLine("db not exists creating db"); |
| 75 | + |
| 76 | + SQLiteConnection.CreateFile("Demo.db"); |
| 77 | + |
| 78 | + db.Statement("create table accounts(id integer primary key autoincrement, name varchar, currency_id varchar, balance decimal, created_at datetime);"); |
| 79 | + for (var i = 0; i < 10; i++) |
| 80 | + { |
| 81 | + db.Statement("insert into accounts(name, currency_id, balance, created_at) values(@name, @currency, @balance, @date)", new |
| 82 | + { |
| 83 | + name = $"Account {i}", |
| 84 | + currency = "USD", |
| 85 | + balance = 100 * i * 1.1, |
| 86 | + date = DateTime.UtcNow, |
| 87 | + }); |
| 88 | + } |
| 89 | + |
| 90 | + } |
| 91 | + |
| 92 | + return db; |
| 93 | + |
| 94 | + } |
| 95 | + |
| 96 | + private static QueryFactory SqlServerQueryFactory() |
| 97 | + { |
| 98 | + var compiler = new PostgresCompiler(); |
| 99 | + var connection = new SqlConnection( |
| 100 | + "Server=tcp:localhost,1433;Initial Catalog=Lite;User ID=sa;Password=P@ssw0rd" |
| 101 | + ); |
| 102 | + |
| 103 | + var db = new QueryFactory(connection, compiler); |
| 104 | + |
| 105 | + db.Logger = result => |
| 106 | + { |
| 107 | + Console.WriteLine(result.ToString()); |
| 108 | + }; |
| 109 | + |
| 110 | + return db; |
| 111 | + } |
| 112 | + |
| 113 | + } |
| 114 | +} |
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