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C# IDbConnection.QuerySql方法代码示例

本文整理汇总了C#中IDbConnection.QuerySql方法的典型用法代码示例。如果您正苦于以下问题:C# IDbConnection.QuerySql方法的具体用法?C# IDbConnection.QuerySql怎么用?C# IDbConnection.QuerySql使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IDbConnection的用法示例。


在下文中一共展示了IDbConnection.QuerySql方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Exists

		public override bool Exists(IDbConnection connection)
		{
            // check permissions by querying the permissions table
			Match m = Regex.Match(Name.Original, String.Format(CultureInfo.InvariantCulture, @"(?<permission>\w+)\s+ON\s+(?<object>{0})\s+TO\s+(?<user>{0})", SqlParser.SqlNameExpression));

			var userName = new SqlName(m.Groups["user"].Value, 1);
			var objectName = new SqlName(m.Groups["object"].Value, 2);

			var permissions = connection.QuerySql(@"SELECT PermissionName=p.permission_name, ObjectType=ISNULL(o.type_desc, p.class_desc)
					FROM sys.database_principals u
					JOIN sys.database_permissions p ON (u.principal_id = p.grantee_principal_id)
					LEFT JOIN sys.objects o ON (p.class_desc = 'OBJECT_OR_COLUMN' AND p.major_id = o.object_id)
					LEFT JOIN sys.schemas os ON (o.schema_id = os.schema_id AND os.name = @SchemaName)
					LEFT JOIN sys.types t ON (p.class_desc = 'TYPE' AND p.major_id = t.user_type_id)
					LEFT JOIN sys.schemas s ON (p.class_desc = 'SCHEMA' AND p.major_id = s.schema_id)
					WHERE state_desc IN ('GRANT', 'GRANT_WITH_GRANT_OPTION')
						AND u.name = @UserName 
						AND COALESCE(o.name, t.name, s.name) = @ObjectName",
					new Dictionary<string, object>()
					{ 
						{ "UserName", userName.Object },
						{ "SchemaName", objectName.Schema },
						{ "ObjectName", objectName.Object }
					});

			string type = permissions.Select((dynamic p) => p.ObjectType).FirstOrDefault();
			string permission = m.Groups["permission"].Value.ToUpperInvariant();

			switch (permission)
			{
				case "EXEC":
					return permissions.Any((dynamic p) => p.PermissionName == "EXECUTE");

				case "ALL":
					switch (type)
					{
						case null:
							// this happens on initial install when there is no database
							return false;

						case "SQL_STORED_PROCEDURE":
							return permissions.Any((dynamic p) => p.PermissionName == "EXECUTE");

						case "SQL_SCALAR_FUNCTION":
							return permissions.Any((dynamic p) => p.PermissionName == "EXECUTE") &&
								permissions.Any((dynamic p) => p.PermissionName == "REFERENCES");

						case "SQL_INLINE_TABLE_VALUED_FUNCTION":
						case "SQL_TABLE_VALUED_FUNCTION":
						case "USER_TABLE":
						case "VIEW":
							return permissions.Any((dynamic p) => p.PermissionName == "REFERENCES") &&
								permissions.Any((dynamic p) => p.PermissionName == "SELECT") &&
								permissions.Any((dynamic p) => p.PermissionName == "INSERT") &&
								permissions.Any((dynamic p) => p.PermissionName == "UPDATE") &&
								permissions.Any((dynamic p) => p.PermissionName == "DELETE");

						case "DATABASE":
							return permissions.Any((dynamic p) => p.PermissionName == "BACKUP DATABASE") &&
								permissions.Any((dynamic p) => p.PermissionName == "BACKUP LOG") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE DATABASE") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE DEFAULT") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE FUNCTION") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE PROCEDURE") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE RULE") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE TABLE") &&
								permissions.Any((dynamic p) => p.PermissionName == "CREATE VIEW");

						default:
							throw new SchemaException(String.Format(CultureInfo.InvariantCulture, "GRANT ALL is not supported for {0} objects", type));
					}

				default:
					return permissions.Any((dynamic p) => p.PermissionName == permission);
			}
		}
开发者ID:henkosch,项目名称:Insight.Database.Schema,代码行数:76,代码来源:Permission.cs

示例2: VerifyRecordsInserted

		private void VerifyRecordsInserted(IDbConnection connection, int count, IDbTransaction transaction = null)
		{
			// run the query
			var items = connection.QuerySql<InsightTestData>("SELECT * FROM BulkCopyData ORDER BY Int", transaction: transaction);
			Assert.IsNotNull(items);
			Assert.AreEqual(count, items.Count);
			for (int j = 0; j < count; j++)
				Assert.AreEqual(j, items[j].Int);
		}
开发者ID:ReinhardHsu,项目名称:Insight.Database,代码行数:9,代码来源:BulkCopyTests.cs


注:本文中的IDbConnection.QuerySql方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。