hunt.sql.dialect.mysql.ast.statement.MySqlShowColumnsStatement source code

1 /*
2  * Copyright 2015-2018 HuntLabs.cn
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 module hunt.sql.dialect.mysql.ast.statement.MySqlShowColumnsStatement;
17 
18 import hunt.sql.ast.SQLExpr;
19 import hunt.sql.ast.SQLName;
20 import hunt.sql.ast.SQLObject;
21 import hunt.sql.ast.expr.SQLIdentifierExpr;
22 import hunt.sql.ast.expr.SQLPropertyExpr;
23 import hunt.sql.dialect.mysql.visitor.MySqlASTVisitor;
24 import hunt.sql.dialect.mysql.ast.statement.MySqlShowStatement;
25 
26 import hunt.sql.dialect.mysql.ast.statement.MySqlStatementImpl;
27 
28 import hunt.collection;
29 
30 public class MySqlShowColumnsStatement : MySqlStatementImpl , MySqlShowStatement {
31 
32     alias accept0 = MySqlStatementImpl.accept0;
33     
34     private bool full;
35 
36     private SQLName table;
37     private SQLName database;
38     private SQLExpr like;
39     private SQLExpr where;
40 
41     public bool isFull() {
42         return full;
43     }
44 
45     public void setFull(bool full) {
46         this.full = full;
47     }
48 
49     public SQLName getTable() {
50         return table;
51     }
52 
53     public void setTable(SQLName table) {
54         if (cast(SQLPropertyExpr)(table) !is null) {
55             SQLPropertyExpr propExpr = cast(SQLPropertyExpr) table;
56             this.setDatabase(cast(SQLName) propExpr.getOwner());
57             this.table = new SQLIdentifierExpr(propExpr.getName());
58             return;
59         }
60         this.table = table;
61     }
62 
63     public SQLName getDatabase() {
64         return database;
65     }
66 
67     public void setDatabase(SQLName database) {
68         this.database = database;
69     }
70 
71     public SQLExpr getLike() {
72         return like;
73     }
74 
75     public void setLike(SQLExpr like) {
76         this.like = like;
77     }
78 
79     public SQLExpr getWhere() {
80         return where;
81     }
82 
83     public void setWhere(SQLExpr where) {
84         this.where = where;
85     }
86 
87     override public void accept0(MySqlASTVisitor visitor) {
88         if (visitor.visit(this)) {
89             acceptChild(visitor, table);
90             acceptChild(visitor, database);
91             acceptChild(visitor, like);
92             acceptChild(visitor, where);
93         }
94         visitor.endVisit(this);
95     }
96 
97     override public List!(SQLObject) getChildren() {
98         List!(SQLObject) children = new ArrayList!(SQLObject)();
99         if (table !is null) {
100             children.add(table);
101         }
102         if (database !is null) {
103             children.add(database);
104         }
105         if (like !is null) {
106             children.add(like);
107         }
108         if (where !is null) {
109             children.add(where);
110         }
111         return children;
112     }
113 }