Method generateLogicalPlan

src/java/simpledb/Parser.java:466–482

(TransactionId tid, String s)

    }

    public LogicalPlan generateLogicalPlan(TransactionId tid, String s)
            throws simpledb.ParsingException, IOException {
        ByteArrayInputStream bis = new ByteArrayInputStream(s.getBytes());
        ZqlParser p = new ZqlParser(bis);
        try {
            ZStatement stmt = p.readStatement();
            if (stmt instanceof ZQuery) {
                return parseQueryLogicalPlan(tid, (ZQuery) stmt);
            }
        } catch (Zql.ParseException e) {
            throw new simpledb.ParsingException(
                    "Invalid SQL expression: \n \t " + e);
        }

        throw new simpledb.ParsingException(
                "Cannot generate logical plan for expression : " + s);
    }

    public void setTransaction(Transaction t) {
        curtrans = t;