August 2010
Intermediate to advanced
526 pages
23h 39m
English
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Name
sqlite3_context — SQL function context
Description
The sqlite3_context structure
acts as a data container to pass information between the SQLite
library and a custom SQL function implementation. The structure
is created by the SQLite library and passed into the function
callbacks registered with sqlite3_create_function(). The callback
functions can extract the database connection or user-data
pointer from the context. The context is also used to pass back
an SQL result value or error condition.
An application should never create or destroy an sqlite3_context
structure.
The sqlite3_context structure
is opaque, and an application should never access any of the
data fields directly.
See Also
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.