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368 lines
16 KiB
C#
368 lines
16 KiB
C#
using MongoDb.Ado.data;
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using MongoDB.Bson;
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using MongoDB.Driver;
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using MongoDbTest.DBHelper;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using static System.Net.Mime.MediaTypeNames;
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namespace MongoDbTest
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{
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public class AdoTest
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{
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public static void Init()
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{
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MongoClientTest();
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MongoDbConnectionTest();
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MongoDbCommandTest();
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MongoDbCommandTestAsync().GetAwaiter().GetResult();
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}
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#region MongoDbCommandTest
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private static void MongoDbCommandTest()
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{
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DataReaderTest();
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DataTableTest();
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ExecuteScalarTest();
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ExecuteNonQueryTest();
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}
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private static void ExecuteNonQueryTest()
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{
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//ExecuteNonQuery insert
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"insert b { name: \"John\", age: 31 }",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery insertMany
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" insertMany b [{ name: \"John\", age: 31 }, { name: \"Alice\", age: 25 }, { name: \"Bob\", age: 30 } ] ", connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery update
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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@"update b {
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""filter"": { ""name"": ""John"" },
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""update"": { ""$set"": { ""age"": 32 } }
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}",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery updateMany
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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@"updateMany b [{
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""filter"": { ""name"": ""John"" },
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""update"": { ""$set"": { ""age"": 32 } }
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}]",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery delete
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"delete b {\"filter\":{ name: \"John\" }}",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery delete
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"delete b {\"filter\":{ name: \"John\" }}",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery deleteMany
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"deleteMany b [{\"filter\":{ name: \"John\" }}]",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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//ExecuteNonQuery Find
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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" find b { age: { $gt: 31 } }",
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connection);
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var value = mongoDbCommand.ExecuteNonQuery();
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connection.Close();
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}
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}
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private static void DataTableTest()
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{
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//datatable
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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////SELECT * FROM b ORDER BY age DESC OFFSET 1 ROWS FETCH NEXT 2 ROWS ONLY;
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" aggregate b [\r\n { \"$sort\": { \"age\": -1 } },\r\n { \"$skip\": 1 },\r\n { \"$limit\": 2 }\r\n] ]", connection);
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MongoDbDataAdapter mongoDbDataAdapter = new MongoDbDataAdapter();
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mongoDbDataAdapter.SelectCommand = mongoDbCommand;
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DataTable dt = new DataTable();
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mongoDbDataAdapter.Fill(dt);
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connection.Close();
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}
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//dataset
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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////SELECT * FROM b ORDER BY age DESC OFFSET 1 ROWS FETCH NEXT 2 ROWS ONLY;
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" aggregate b [\r\n { \"$sort\": { \"age\": -1 } },\r\n { \"$skip\": 1 },\r\n { \"$limit\": 2 }\r\n] ]", connection);
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MongoDbDataAdapter mongoDbDataAdapter = new MongoDbDataAdapter();
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mongoDbDataAdapter.SelectCommand = mongoDbCommand;
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DataSet ds = new DataSet();
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mongoDbDataAdapter.Fill(ds);
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connection.Close();
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}
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}
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private static void ExecuteScalarTest()
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{
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//ExecuteScalar
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" find b { age: { $gt: 31 } }", connection);
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var value = mongoDbCommand.ExecuteScalar();
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connection.Close();
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}
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private static void DataReaderTest()
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{
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//ExecuteReader single query 1
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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//对应的SQL: SELECT * FROM b WHERE age > 18;
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" find b { age: { $gt: 32 } } ", connection);
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using (var reader = mongoDbCommand.ExecuteReader())
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{
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while (reader.Read())
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{
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var name = reader.GetString("name");
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var age = reader.GetInt32("age");
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}
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}
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connection.Close();
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}
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//ExecuteReader single query 2
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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//对应的SQL: SELECT name, age, _id FROM b WHERE age > 18;
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" find b [{ age: { $gt: 18 } }, { name: 1, age: 1 }]", connection);
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using (var reader = mongoDbCommand.ExecuteReader())
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{
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while (reader.Read())
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{
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var name = reader.GetString("name");
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var age = reader.GetInt32("age");
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}
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}
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connection.Close();
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}
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//ExecuteReader single query 3
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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//SELECT * FROM b ORDER BY age DESC OFFSET 1 ROWS FETCH NEXT 2 ROWS ONLY;
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MongoDbCommand mongoDbCommand = new MongoDbCommand(" aggregate b [\r\n { \"$sort\": { \"age\": -1 } },\r\n { \"$skip\": 1 },\r\n { \"$limit\": 2 }\r\n] ]", connection);
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using (var reader = mongoDbCommand.ExecuteReader())
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{
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while (reader.Read())
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{
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var name = reader.GetString("name");
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var age = reader.GetInt32("age");
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}
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}
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connection.Close();
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}
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//ExecuteReader join query
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{
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//SELECT b1._id, b1.a_id, b2.some_field AS joined_field
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// FROM b AS b1
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//LEFT JOIN b AS b2 ON b1.a_id = b2._id
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//WHERE b2.some_field > 100
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//ORDER BY b2.some_field DESC
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// LIMIT 20 OFFSET 10;
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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connection.Open();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(@" aggregate b [
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{
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""$lookup"": {
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""from"": ""b"",
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""localField"": ""a_id"",
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""foreignField"": ""_id"",
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""as"": ""joined_docs""
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}
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},
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{
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""$unwind"": ""$joined_docs""
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},
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{
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""$match"": {
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""joined_docs.some_field"": { ""$gt"": 100 }
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}
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},
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{
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""$project"": {
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""_id"": 1,
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""a_id"": 1,
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""joined_field"": ""$joined_docs.some_field""
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}
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}
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])", connection);
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using (var reader = mongoDbCommand.ExecuteReader())
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{
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while (reader.Read())
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{
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var name = reader.GetString("name");
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var age = reader.GetInt32("age");
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}
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}
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connection.Close();
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}
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}
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#endregion
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#region MongoDbCommandTestAsync
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private static async Task MongoDbCommandTestAsync()
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{
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await DataReaderTestAsync();
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await DataTableTestAsync();
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await ExecuteScalarTestAsync();
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await ExecuteNonQueryTestAsync();
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}
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private static async Task ExecuteNonQueryTestAsync()
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{
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// ExecuteNonQueryAsync insert
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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await connection.OpenAsync();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"insert b { name: \"John\", age: 31 }",
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connection);
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var value = await mongoDbCommand.ExecuteNonQueryAsync();
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connection.Close();
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}
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// ExecuteNonQueryAsync insertMany
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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await connection.OpenAsync();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"insertMany b [{ name: \"John\", age: 31 }, { name: \"Alice\", age: 25 }, { name: \"Bob\", age: 30 }]",
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connection);
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var value = await mongoDbCommand.ExecuteNonQueryAsync();
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connection.Close();
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}
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// ExecuteNonQueryAsync update
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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await connection.OpenAsync();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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@"update b {
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""filter"": { ""name"": ""John"" },
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""update"": { ""$set"": { ""age"": 32 } }
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}",
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connection);
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var value = await mongoDbCommand.ExecuteNonQueryAsync();
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connection.Close();
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}
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// 其他类似的异步测试方法...
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}
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private static async Task ExecuteScalarTestAsync()
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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await connection.OpenAsync();
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MongoDbCommand mongoDbCommand = new MongoDbCommand("find b { age: { $gt: 31 } }", connection);
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var value = await mongoDbCommand.ExecuteScalarAsync();
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connection.Close();
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}
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private static async Task DataReaderTestAsync()
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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await connection.OpenAsync();
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MongoDbCommand mongoDbCommand = new MongoDbCommand("find b { age: { $gt: 32 } }", connection);
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using (var reader = await mongoDbCommand.ExecuteReaderAsync())
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{
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while (await reader.ReadAsync())
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{
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var name = reader.GetString("name");
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var age = reader.GetInt32("age");
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}
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}
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connection.Close();
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}
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private static async Task DataTableTestAsync()
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{
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var connection = new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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await connection.OpenAsync();
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MongoDbCommand mongoDbCommand = new MongoDbCommand(
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"aggregate b [ { \"$sort\": { \"age\": -1 } }, { \"$skip\": 1 }, { \"$limit\": 2 } ]",
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connection);
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MongoDbDataAdapter mongoDbDataAdapter = new MongoDbDataAdapter();
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mongoDbDataAdapter.SelectCommand = mongoDbCommand;
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DataTable dt = new DataTable();
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await Task.Run(() => mongoDbDataAdapter.Fill(dt)); // 模拟异步操作
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connection.Close();
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}
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#endregion
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private static void MongoDbConnectionTest()
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{
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var db= new MongoDbConnection(DbHelper.SqlSugarConnectionString);
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var database= db.GetDatabase();
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var collections = database.GetCollection<BsonDocument>("b");
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// 插入一个文档，MongoDB 会创建数据库和集合
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var document = new BsonDocument { { "name", "bbbbbb" }, { "age", 40 } };
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collections.InsertOne(document);
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var list = collections.AsQueryable<BsonDocument>().ToList();
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}
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private static void MongoClientTest()
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{
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//开发中
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var client = new MongoClient(DbHelper.ConnectionString);
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var database = client.GetDatabase("SqlSugarDb");
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// 获取当前数据库中的所有集合
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var collections = database.GetCollection<BsonDocument>("a");
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// 插入一个文档，MongoDB 会创建数据库和集合
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var document = new BsonDocument { { "name", "aaaa" }, { "age", 30 } };
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collections.InsertOne(document);
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var list = collections.AsQueryable<BsonDocument>().ToList();
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}
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}
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}
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