SqliteFunction Class

This abstract class is designed to handle user-defined functions easily. An instance of the derived class is made for each connection to the database.

Syntax

public abstract class SqliteFunction : IDisposable

Remarks

Although there is one instance of a class derived from SqliteFunction per database connection, the derived class has no access to the underlying connection. This is necessary to deter implementers from thinking it would be a good idea to make database calls during processing. It is important to distinguish between a per-connection instance, and a per-SQL statement context. One instance of this class services all SQL statements being stepped through on that connection, and there can be many. One should never store per-statement information in member variables of user-defined function classes. For aggregate functions, always create and store your per-statement data in the contextData object on the 1st step. This data will be automatically freed for you (and Dispose() called if the item supports IDisposable) when the statement completes.

Requirements

Namespace: Mono.Data.Sqlite
Assembly: Mono.Data.Sqlite (in Mono.Data.Sqlite.dll)
Assembly Versions: 4.0.0.0