July 2005
Intermediate to advanced
1032 pages
27h 10m
English
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Client 4—An Interactive Query Processor
I'll finish this chapter by developing a general purpose, interactive query processor. In this example, I'll describe the SQLPrepare()/SQLExec() query execution method. Finally, I'll show you a way to process result sets more efficiently.
This example is based on the libpq++/qt-sql.cpp client from Chapter 10, “The New PostgreSQL C++ API—libpqxx.” Rather than showing you the entire application again, I'll just explain the differences—refer to Chapter 10 for a complete explanation of the original application.
In this application, you can enter arbitrary SQL commands; the result set for SELECT statements appears in a table and the results for other commands display in a status bar.
The first thing that you ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.