static void countFinalize( sqlite3_context context )
{
CountCtx p = new CountCtx();
p.Context = sqlite3_aggregate_context( context, 0 );
sqlite3_result_int64( context, p != null ? p.n : 0 );
}
/*
** Routines to implement the count() aggregate function.
*/
static void countStep(
sqlite3_context context,
int argc,
sqlite3_value[] argv
)
{
CountCtx p = new CountCtx();
p.Context = sqlite3_aggregate_context( context, 1 );//sizeof(*p));
if ( ( argc == 0 || SQLITE_NULL != sqlite3_value_type( argv[0] ) ) && p.Context != null )
{
p.n++;
}
#if !SQLITE_OMIT_DEPRECATED
/* The sqlite3_aggregate_count() function is deprecated. But just to make
** sure it still operates correctly, verify that its count agrees with our
** internal count when using count(*) and when the total count can be
** expressed as a 32-bit integer. */
Debug.Assert( argc == 1 || p == null || p.n > 0x7fffffff
|| p.n == sqlite3_aggregate_count( context ) );
#endif
}
static void countFinalize(sqlite3_context context)
{
CountCtx p = new CountCtx();
p.Context = sqlite3_aggregate_context(context, 0);
sqlite3_result_int64(context, p.n);
if (p.Context != null)
{
p.Context.z = null;
}
}
