mysql-connector

Entity framework returning incorrect data from columns with same name

时光毁灭记忆、已成空白 提交于 2019-12-06 08:16:49
I have a few tables in my database which are mapped to an edmx. Using the entity framework to return data from these tables, I've encountered a problem where the value in the "name" column from one of my higher level data models is being populated into each model below it. I'm pulling the data like this: var query = (from a in context.things where a.id == 1 select a); var model = query.Select(a => new modelA() { Name = a.name, Bs = a.Bs.Select(b => new modelB() { Name = b.name, Cs = b.Cs.Select(c => new modelC() { Name = c.name, Ds = c.Ds.Select(d => new modelD() { Name = d.name }) }) }) })

EntityFramework 6 Alpha 2 & MySQL Connector/NET 6.6.4

白昼怎懂夜的黑 提交于 2019-12-06 06:54:21
问题 The 6.6.4 MySQL .NET connector apparently has support for EF6. I've upgraded from EF5 and .NET 4 to EF6 alpha2 and .NET 4.5. I've recreated the ADO.NET Entity Data Model since upgrading. Upon doing anything to the database it throws up an exception message saying; ItemModel.ssdl(2,2) : error 0152: No Entity Framework provider found for 'MySql.Data.MySqlClient' ADO.NET provider. Make sure the provider is registered in the 'entityFramework' section of the application config file. See http://go

MySQL Connector C++ 64bit build from source in Visual Studio 2012

不羁岁月 提交于 2019-12-06 05:11:21
问题 I am trying to build the mySQL Connector C++ from source in Visual Studio 2012 for the 64-bit architecture. I understand that it depends on some boost header files and the C connector. Running CMake produces a project file, but that project file doesn't compile because of a big list of very confusing errors which probably have to do something with the include files, and an even bigger list of warnings. The official site is of little help. Could some one please list all the steps in

No suitable driver found for jdbc:mysql netbeans, *.jar include in library

别说谁变了你拦得住时间么 提交于 2019-12-06 04:51:35
I can perform the connection in worbanch, but with the same username and password can not connect through the application in the mysql database. I checked the syntax apparently seems to be correct. I would like to help to solve this problem as the .jar is already in the library folder of Java SE project. print screen: Screen 1 screen 2 ERROR CONSOLE: No suitable driver found for jdbc:mysql://127.0.0.1/sakila Just simply add the library to your project library. Right click in Library on the Project you use Then choose MySQL JDBC Driver Then Click Add Library.So now we can connect to MySQL

Access denied for User 'root'@'localhost' (using password: YES )

a 夏天 提交于 2019-12-06 02:44:56
问题 I would like to connect with my local MYSQL data base, which is installed along with XAMP server. I created a new User ie, " NewUser " and its password is "password". I given all PRIVILEGES to this user. I write the code to connect with data base by using user "root" (No password for this user). Its connected . Like bellow.. return DriverManager.getConnection("jdbc:MySql://localhost/database_name","root",""); Now I wrote the code to connect with same data base by another user ie, "NewUser"

classpath, eclipse and java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

坚强是说给别人听的谎言 提交于 2019-12-05 19:20:37
I have seen & read over 10 similar questions but am still unable to figure it out. I am using windows7 / Eclipse Helios Service Release 1 / mysql-connector-java-5.1.13-bin.jar. Everything worked until yesterday, and noW I get this error. I am not aware of anything I did that could have caused this (but maybe still...). There are no duplicates of this file on my system (nor any other mysql-connector-*). I am not sure where eclipse is looking for this file, it is sitting under my projects \WebContent\WEB-INF\lib folder with several other .jarS. looking at the "project" menu -> properties and

Remotely connect to MySQL with Python mysql.connector

偶尔善良 提交于 2019-12-05 18:37:11
The following code (ran from a different machine than the mysql server, within the same LAN), to locally connect to MySQL database using Python3 and mysql.connector works: import mysql.connector cnx = mysql.connector.connect(host='192.168.0.24', database='import_test',user='user_builder', password='password***', port=3309) However, the following code, to remotely connect to the same database, does NOT work : import mysql.connector cnx = mysql.connector.connect(host='http://imaginarywebsite.ddns.net', database='import_test',user='user_builder', password='password***', port=3309) Instead, I

MySQL Connector C++ - Invalid Pointer

强颜欢笑 提交于 2019-12-05 14:22:37
I am trying to use the MySQL C++ Connector to connect to a database. I have added the libraries and the source code compiles correctly with all the necessary #include statements. The code I am using is the following: #include <stdlib.h> #include <iostream> #include "mysql_connection.h" #include <cppconn/driver.h> #include <cppconn/exception.h> #include <cppconn/resultset.h> #include <cppconn/statement.h> using namespace std; int main(void) { using namespace sql; Driver *driver; Connection *con; driver = get_driver_instance(); con = driver -> connect("tcp://127.0.0.1:3306/test", "test", "test")

MySqlDataReader: DataTable.Fill(reader) throws ConstraintException

纵饮孤独 提交于 2019-12-05 08:26:59
I have two tables orders and orderdetails table orders (PK = id, UNIQUE index on orderno) |id|orderno| | 1|1000 | | 2|1001 | table orderdetails (PK = id) |id|orderid|item|qty| | 1| 1|ABC | 3| | 2| 1|XYZ | 4| Now I want to query the data with: SELECT o.orderno, od.item, od.qty FROM orders o INNER JOIN orderdetails od ON o.orderno = od.order which returns: |orderno|item|qty| |1000 |ABC | 3| |1000 |XYZ | 4| However If I use the following code to load the result into a DataTable it fails: var connectionString = "Server=localhost;Database=orders;Uid=root;"; var commandText = "SELECT o.orderno, od

Mysql connector/C++ for windows 2010 express not compiling

时光毁灭记忆、已成空白 提交于 2019-12-05 04:51:56
SOLUTION: I have decided to make a step by step guide for people having the same issues. I don't know if this fully fixes everything but it does let you compile the code snippet I will provide. If there are any errors please comment so I can fix them. This is intended to help those who have mostly given up from failed attempts, and to be frank, the whole process should have been documented. Sorry for the long post :P STEP BY STEP FOR SETTING UP MYSQL CONNECTOR/C++ FOR 2010 MICROSOFT VISUAL C++ EXPRESS: FILES NEEDED: Windows x86 32 Bit ZIP: Connector/C++ -> http://dev.mysql.com/downloads