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Command: sqlite3_vtab | Section: 3 | Source: NetBSD | File: sqlite3_vtab.3
SQLITE3_VTAB(3) FreeBSD Library Functions Manual SQLITE3_VTAB(3)
NAME
sqlite3_vtab - Virtual Table Instance Object
SYNOPSIS
struct sqlite3_vtab;
DESCRIPTION
Every virtual table module implementation uses a subclass of this object
to describe a particular instance of the virtual table. Each subclass
will be tailored to the specific needs of the module implementation. The
purpose of this superclass is to define certain fields that are common to
all module implementations.
Virtual tables methods can set an error message by assigning a string
obtained from sqlite3_mprintf() to zErrMsg. The method should take care
that any prior string is freed by a call to sqlite3_free() prior to
assigning a new string to zErrMsg. After the error message is delivered
up to the client application, the string will be automatically freed by
sqlite3_free() and the zErrMsg field will be zeroed.
SEE ALSO
sqlite3_malloc(3), sqlite3_mprintf(3), sqlite3_module(3)
FreeBSD 14.1-RELEASE-p8 December 19, 2018 FreeBSD 14.1-RELEASE-p8