hunt.sql.ast.SQLPartitionByRange source code

1 module hunt.sql.ast.SQLPartitionByRange;
2 
3 import hunt.sql.visitor.SQLASTVisitor;
4 import hunt.sql.ast.SQLExpr;
5 import hunt.sql.ast.SQLPartitionBy;
6 import hunt.collection;
7 import hunt.sql.ast.SQLObject;
8 import hunt.sql.ast.SQLName;
9 import hunt.sql.ast.SQLPartition;
10 
11 public class SQLPartitionByRange : SQLPartitionBy {
12     protected SQLExpr       interval;
13 
14     public this() {
15 
16     }
17 
18     public SQLExpr getInterval() {
19         return interval;
20     }
21 
22     public void setInterval(SQLExpr interval) {
23         if (interval !is null) {
24             interval.setParent(this);
25         }
26         
27         this.interval = interval;
28     }
29 
30     protected override void accept0(SQLASTVisitor visitor) {
31         if (visitor.visit(this)) {
32             acceptChild!SQLExpr(visitor, columns);
33             acceptChild(visitor, interval);
34             acceptChild!SQLName(visitor, storeIn);
35             acceptChild!SQLPartition(visitor, partitions);
36         }
37         visitor.endVisit(this);
38     }
39 
40     public override SQLPartitionByRange clone() {
41         SQLPartitionByRange x = new SQLPartitionByRange();
42 
43         if (interval !is null) {
44             x.setInterval(interval.clone());
45         }
46 
47         foreach (SQLExpr column ; columns) {
48             SQLExpr c2 = column.clone();
49             c2.setParent(x);
50             x.columns.add(c2);
51         }
52 
53         return x;
54     }
55 }