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1 package com.daffodilwoods.daffodildb.server.sql99.expression.datetimevalueexpression;
2
3 import java.sql.*;
4 import java.sql.Date  ;
5 import java.util.*;
6
7 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.*;
8 import com.daffodilwoods.daffodildb.server.serversystem.*;
9 import com.daffodilwoods.daffodildb.server.sql99.common.*;
10 import com.daffodilwoods.daffodildb.server.sql99.expression.rowvalueexpression.*;
11 import com.daffodilwoods.daffodildb.server.sql99.token.*;
12 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
13 import com.daffodilwoods.daffodildb.utils.*;
14 import com.daffodilwoods.daffodildb.utils.field.*;
15 import com.daffodilwoods.database.resource.*;
16 import com.daffodilwoods.daffodildb.server.sql99.expression.numericvalueexpression.numericvaluefunction;
17 import com.daffodilwoods.daffodildb.server.sql99.expression.numericvalueexpression.AbstractNumericValueFunction;
18
19 public class hourfunction extends AbstractNumericValueFunction implements com.daffodilwoods.daffodildb.utils.parser.StatementExecuter, numericvaluefunction, TypeConstants, Datatypes {
20 public Srightparen_1874859514 _Srightparen_18748595140;
21 public datetimevalueexpression _datetimevalueexpression1;
22 public Sleftparen653880241 _Sleftparen6538802412;
23 public SRESERVEDWORD1206543922 _SRESERVEDWORD12065439223;
24
25
26 protected ParameterInfo[] getThisParameterInfo() throws DException {
27 ParameterInfo parameterInfo = new ParameterInfo();
28 parameterInfo.setName(toString());
29 parameterInfo.setDataType(INTEGER);
30 return new ParameterInfo[] {parameterInfo};
31 }
32
33 protected Object getResult(int type, Object object) throws DException {
34 if (object == null) {
35 return new FieldLiteral(FieldUtility.NULLBUFFERRANGE, Datatype.INTEGER);
36 }
37 GregorianCalendar calendar = new GregorianCalendar();
38 switch (type) {
39 case BYTE:
40 case TINYINT:
41 case INTEGER:
42 case INT:
43 case SHORT:
44 case SMALLINT:
45 Number operand = (Number ) object;
46 calendar.set(Calendar.HOUR_OF_DAY, operand.intValue());
47 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
48 case REAL:
49 case DOUBLE:
50 case FLOAT:
51 case DOUBLEPRECISION:
52 case LONG:
53 case BIGINT:
54 case BIGDECIMAL:
55 case DEC:
56 case DECIMAL:
57 case NUMERIC:
58 throw new DException("DSE8106", new Object [] {StaticClass.getDataTypeName(type)});
59 case CHARACTER:
60 case VARCHAR:
61 case CHAR:
62 case CHARACTERVARYING:
63 String string = (String ) object;
64 try {
65 Time time = TypeValidityHandler.getTime(string);
66 Date d = new com.daffodilwoods.daffodildb.utils.DBDate(time.getTime());
67 calendar.setTime(d);
68 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
69 }
70 catch (DException ex) {
71 try {
72 Timestamp time1 = TypeValidityHandler.getTimestamp(string);
73 Date d1 = new com.daffodilwoods.daffodildb.utils.DBDate(time1.getTime());
74 calendar.setTime(d1);
75 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
76 }
77 catch (DException ex1) {
78 try {
79 Date d2 = TypeValidityHandler.getDBDate(string);
80 calendar.setTime(d2);
81 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
82 }
83 catch (DException ex2) {
84 try {
85 calendar.set(Calendar.HOUR_OF_DAY,new Integer (string).intValue());
86 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
87 }
88 catch (Exception ex3) {
89 throw new DException("DSE419", new Object []{string});
90 }
91 }
92 }
93 }
94 case DATE:
95 Date d2 = (Date ) object;
96 calendar.setTime(d2);
97 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
98 case TIME:
99 Time time = (Time) object;
100 Date d = new com.daffodilwoods.daffodildb.utils.DBDate(time.getTime());
101 calendar.setTime(d);
102 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
103 case TIMESTAMP:
104 Timestamp time1 = (Timestamp) object;
105 Date d1 = new com.daffodilwoods.daffodildb.utils.DBDate(time1.getTime());
106 calendar.setTime(d1);
107 return new FieldLiteral(new Integer (calendar.get(Calendar.HOUR_OF_DAY)), Datatype.INTEGER);
108 default:
109 throw new DException("DSE4108", new Object [] {StaticClass.getDataTypeName(type), "HOUR"});
110 }
111 }
112
113
165
166 public AbstractRowValueExpression[] getChilds() {
167 AbstractRowValueExpression[] childs = new AbstractRowValueExpression[] { (AbstractRowValueExpression) (_datetimevalueexpression1)};
168 return childs;
169
170 }
171
172
173 public String toString() {
174 StringBuffer sb = new StringBuffer ();
175 sb.append(" ");
176 sb.append(_SRESERVEDWORD12065439223);
177 sb.append(" ");
178 sb.append(_Sleftparen6538802412);
179 sb.append(" ");
180 sb.append(_datetimevalueexpression1);
181 sb.append(" ");
182 sb.append(_Srightparen_18748595140);
183 return sb.toString();
184 }
185
186 public Object clone() throws CloneNotSupportedException {
187 hourfunction tempClass = new hourfunction();
188 tempClass._Srightparen_18748595140 = (Srightparen_1874859514) _Srightparen_18748595140.clone();
189 tempClass._datetimevalueexpression1 = (datetimevalueexpression) _datetimevalueexpression1.clone();
190 tempClass._Sleftparen6538802412 = (Sleftparen653880241) _Sleftparen6538802412.clone();
191 tempClass._SRESERVEDWORD12065439223 = (SRESERVEDWORD1206543922) _SRESERVEDWORD12065439223.clone();
192 return tempClass;
193 }
194
195 public ByteComparison getByteComparison(Object object) throws DException {
196 ByteComparison byteComparison = new ByteComparison(false, new int[] {INTEGER});
197 byteComparison.setSize(getColumnSize(object));
198 return byteComparison;
199 }
200
201 public String getType() throws DException {
202 return (String ) _SRESERVEDWORD12065439223.run(null);
203 }
204
205 public _Reference[] checkSemantic(_ServerSession parent) throws DException {
206 _Reference[] ref = super.checkSemantic(parent);
207 if(ref!=null) {
208 return ref;
209 }
210 int type = _datetimevalueexpression1.getByteComparison(parent).getDataTypes()[0];
211 switch (type) {
212 case -1:
213 case BYTE:
214 case TINYINT:
215 case INTEGER:
216 case INT:
217 case REAL:
218 case DOUBLE:
219 case FLOAT:
220 case DOUBLEPRECISION:
221 case LONG:
222 case BIGINT:
223 case SHORT:
224 case SMALLINT:
225 case BIGDECIMAL:
226 case DEC:
227 case DECIMAL:
228 case NUMERIC:
229 case DATE:
230 case TIME:
231 case TIMESTAMP:
232 return ref;
233 default:
234 throw new DException("DSE4108", new Object [] {StaticClass.getDataTypeName(type), "HOUR"});
235 }
236
237 }
238 public ParameterInfo[] getParameterInfo() throws DException {
239 ParameterInfo[] paramInfo = super.getParameterInfo();
240 for (int i = 0; i < paramInfo.length; i++) {
241 if (paramInfo[i].getQuestionMark()) {
242 paramInfo[i].setDataType(Datatypes.TIME);
243 paramInfo[i].setName("HOUR Arg");
244 }
245 }
246 return paramInfo;
247 }
248
249 public int getColumnSize( Object object) throws DException {
250 return Datatypes.INTSIZE;
251 }
252
253
254 }
255 |
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