Method addScan

src/java/simpledb/optimizer/LogicalPlan.java:168–172

Add a scan to the plan. One scan node needs to be added for each alias of a table accessed by the plan. @param table the id of the table accessed by the plan (can be resolved to a DbFile using Catalog#getDatabaseFile @param name the alias of the table in the plan

(int table, String name)

    */

    public void addScan(int table, String name) {
        System.out.println("Added scan of table " + name);
        tables.add(new LogicalScanNode(table,name));
        tableMap.put(name,table);
    }

    /** Add a specified field/aggregate combination to the select list of the query.
        Fields are output by the query such that the rightmost field is the first added via addProjectField.