sqlite3 from inside D

gistfile1.d

enum insertStmt = "INSERT INTO Entry(sym,open,close,volume) Values(?, ?, ?, ?);";

int errCode = sqlite3_prepare_v2(db, toCstr.toStringZ(insertStmt),
    to!int(insertStmt.length), &stmt, null);

if(errCode != SQLITE_OK) {
	scope(exit) sqlite3_finalize(stmt);
	throw new Exception(insertStmt ~ " FAILED " ~
		to!string(sqlite3_errmsg(db))
	);
}

int i = 1;	
sqlite3_bind_int64(stmt, i++, this.sym);
sqlite3_bind_double(stmt, i++, this.open);
sqlite3_bind_double(stmt, i++, this.close);
sqlite3_bind_int(stmt, i++, this.volume);
if(sqlite3_step(stmt) != SQLITE_DONE) {
    scope(exit) sqlite3_finalize(stmt);
    throw new Exception(to!string(sqlite3_errmsg(db)) ~ " " ~
        insertStmt ~ " " ~ to!string(this)
    );
}
sqlite3_finalize(stmt);