MySQL > plusplus > April 2009

I am using connection pool for my server mysqlpp::ConnectionPool class. After the MySQL restarts all my queries starts failing with following error: Bad Query MySQL server has gone away The problem ...

Hi guys, I have a table that needs to store a small amount of binary data (varbinary field). The code needs to update a number of rows so I am building a "insert into... on duplicate key update" ...

Hi Sorry if this sounds like my previous NaN question, but it's not quite the same... I want to conditionally insert null values into a table, but I'm getting zeros inserted, not nulls. I mistakenly ...

Hi all, I have strange (at least for me) situation. I ask single field from table with two columns (id and enabled) in the following manner: "select enabled from customer where id = " << id; My ...

Hello, I'm working on three different programs that all uses the same database and have to run concurrently. In one of them I'm using 3 thread and I use 2 connections for each threads. The other ...

I've got transactions working but how can I make it a serializable transaction? I saw in the mysql documents about setting it in an option file under mysqld but I don't want all transactions to be ...

Hello, I am writing a C++ CGI script that uses mysql++ to connect to a MySQL server (Below you have details on the version I use). Everything seems normal, and works, I can select, insert into the ...

Hi, as like as in example of mysql-tutorial, I used following code to insert an binary file in my database: ostrstream strbuf; ifstream instrm(dokumentFile- spoolFileName().c_str(),ios::in | ...

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