hunt.sql.ast.SQLPartitionByHash source code

1 module hunt.sql.ast.SQLPartitionByHash;
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 SQLPartitionByHash : SQLPartitionBy {
12 
13     alias cloneTo = SQLPartitionBy.cloneTo;
14     // for aliyun ads
15     protected bool key;
16     protected bool unique;
17 
18     public bool isKey() {
19         return key;
20     }
21 
22     public void setKey(bool key) {
23         this.key = key;
24     }
25 
26     public bool isUnique() {
27         return unique;
28     }
29 
30     public void setUnique(bool unique) {
31         this.unique = unique;
32     }
33 
34     protected override void accept0(SQLASTVisitor visitor) {
35         if (visitor.visit(this)) {
36             acceptChild(visitor, partitionsCount);
37             acceptChild!SQLPartition(visitor, getPartitions());
38             acceptChild(visitor, subPartitionBy);
39         }
40         visitor.endVisit(this);
41     }
42 
43     public override SQLPartitionByHash clone() {
44         SQLPartitionByHash x = new SQLPartitionByHash();
45 
46         this.cloneTo(x);
47 
48         x.key = key;
49         x.unique = unique;
50 
51         foreach (SQLExpr column ; columns) {
52             SQLExpr c2 = column.clone();
53             c2.setParent(x);
54             x.columns.add(c2);
55         }
56 
57         return x;
58     }
59 
60     public void cloneTo(SQLPartitionByHash x) {
61         super.cloneTo(cast(SQLPartitionBy)x);
62     }
63 }