whereclause


1   package com.daffodilwoods.daffodildb.server.sql99.dql.tableexpression.whereclause;
2   
3   import java.util.*;
4   import com.daffodilwoods.daffodildb.server.sql99.common.*;
5   import com.daffodilwoods.daffodildb.server.sql99.dql.plan.condition.*;
6   import com.daffodilwoods.daffodildb.server.sql99.token.*;
7   import com.daffodilwoods.daffodildb.server.sql99.utils.*;
8   import com.daffodilwoods.database.resource.*;
9   
10  /**
11   * This class represents optional where clause of select query in which search
12   * condition is specified. It provides functionality for filtering record.
13   * Records are filtered on basis of search criteria speciifed in where clause.
14   * e.g Select * from tablename where a=5
15   * this shown only those record which have value of a is 5.This way flitering
16   * of record are provided.
17   * <p>Title: </p>
18   * <p>Description: </p>
19   * <p>Copyright: Copyright (c) 2004</p>
20   * <p>Company: </p>
21   * @author not attributable
22   * @version 1.0
23   */
24  public class whereclause implements com.daffodilwoods.daffodildb.utils.parser.StatementExecuter, TypeConstants {
25    /**
26     * It represents search condition on which records are flitered.
27     */
28    public searchcondition _searchcondition0;
29  
30     /**
31      * It represents Keyword Where.
32      */
33  
34     public SRESERVEDWORD1206543922 _SRESERVEDWORD12065439221;
35  
36     /**
37      * Note:- For documentation of following method refers to queryexpressionbody
38      * It delegates the call to serachcondition.
39      */
40  
41     public void setDefaultValues(_VariableValueOperations variableValueOperation) throws DException {
42        _searchcondition0.setDefaultValues(variableValueOperation);
43     }
44  
45     public _Reference[] getReferences(TableDetails[] tableDetails) throws DException {
46        return _searchcondition0.getReferences(tableDetails);
47     }
48  
49     public whereclause() {
50     }
51  
52     public com.daffodilwoods.daffodildb.server.sql99.utils._Reference[] checkSemantic(com.daffodilwoods.daffodildb.server.serversystem._ServerSession parent) throws DException {
53        return _searchcondition0.checkSemantic(parent);
54     }
55  
56     public Object   run(Object   object) throws com.daffodilwoods.database.resource.DException {
57        return _searchcondition0.run(object);
58     }
59  
60     public ColumnDetails[] getColumnDetails() throws DException {
61        return _searchcondition0.getColumnDetails();
62     }
63  
64     public Object  [] getParameters(Object   object) throws DException {
65        return _searchcondition0.getParameters(object);
66     }
67  
68     public void getColumnsIncluded(ArrayList aList) throws DException {
69        _searchcondition0.getColumnsIncluded(aList);
70     }
71  
72     public void getTablesIncluded(ArrayList aList) throws DException {
73        _searchcondition0.getTablesIncluded(aList);
74     }
75  
76     public ParameterInfo[] getParameterInfo() throws DException {
77        return _searchcondition0.getParameterInfo();
78     }
79  
80     public _BVEPlan getExecutionPlan() throws DException {
81        return _searchcondition0.getExecutionPlan();
82     }
83  
84     public boolean checkForSubquery() throws DException {
85        return _searchcondition0.checkForSubQuery();
86     }
87  
88    public boolean hasContainClause() throws DException{
89      return _searchcondition0.hasContainClause();
90   }
91     public String   toString() {
92        StringBuffer   sb = new StringBuffer  ();
93        sb.append(" ");
94        sb.append(_SRESERVEDWORD12065439221);
95        sb.append(" ");
96        sb.append(_searchcondition0);
97        return sb.toString();
98     }
99  
100    public Object   clone() throws CloneNotSupportedException   {
101       whereclause tempClass = new whereclause();
102       tempClass._searchcondition0 = (searchcondition) _searchcondition0.clone();
103       tempClass._SRESERVEDWORD12065439221 = (SRESERVEDWORD1206543922) _SRESERVEDWORD12065439221.clone();
104       return tempClass;
105    }
106 
107 }
108
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