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1 package com.daffodilwoods.daffodildb.server.sql99.expression.
2 stringvalueexpression;
3
4 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.*;
5 import com.daffodilwoods.daffodildb.server.serversystem.*;
6 import com.daffodilwoods.daffodildb.server.sql99.common.*;
7 import com.daffodilwoods.daffodildb.server.sql99.expression.rowvalueexpression.*;
8 import com.daffodilwoods.daffodildb.server.sql99.token.*;
9 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
10 import com.daffodilwoods.daffodildb.utils.*;
11 import com.daffodilwoods.daffodildb.utils.field.*;
12 import com.daffodilwoods.database.resource.*;
13 import in.co.daffodil.db.jdbc.DatabaseProperties;
14
15 public class rtrimfunction extends AbstractStringValueExpression implements charactervaluefunction {
16
17 public Srightparen_1874859514 _Srightparen_18748595140;
18 public charactervalueexpression _charactervalueexpression1;
19 public Sleftparen653880241 _Sleftparen6538802412;
20 public SNONRESERVEDWORD136444255 _SNONRESERVEDWORD1364442553;
21
22
23 public Object  run(Object object) throws com.daffodilwoods.database.resource.
24 DException {
25 FieldBase result = (FieldBase) _charactervalueexpression1.run(object);
26 if (result.isNull()) {
27 return new FieldStringLiteral(FieldUtility.NULLBUFFERRANGE, CHARACTER);
28 }
29 return getResult(getDataType(result), result.getObject());
30 }
31
32 public ColumnDetails[] getChildColumnDetails() throws DException {
33 return columnDetails;
34 }
35
36 public ParameterInfo[] getParameterInfo() throws DException {
37
38 ParameterInfo[] param = _charactervalueexpression1.getParameterInfo();
39 for (int i = 0; i < param.length; i++) {
40 if (param[i].getQuestionMark()) {
41 param[0].setDataType(Datatypes.CHARACTER);
42 param[0].setName("RTRIM Arg");
43 return param;
44 }
45 }
46 return getThisParameterInfo();
47 }
48
49 protected ParameterInfo[] getThisParameterInfo() throws DException {
50 ParameterInfo parameterInfo = new ParameterInfo();
51 parameterInfo.setName(toString());
52 parameterInfo.setDataType(Datatypes.CHARACTER);
53 return new ParameterInfo[] {parameterInfo};
54 }
55
56 protected String getNameOfColumn(ColumnDetails[] columnDetails) throws
57 DException {
58 String nameOfColumn = "";
59 for (int i = 0; i < columnDetails.length; ++i) {
60 nameOfColumn += columnDetails[i].getColumn();
61 }
62 return nameOfColumn;
63 }
64
65
85
86 private Object getResult(int type, Object object) throws DException {
87 switch (type) {
88 case BYTE:
89 case TINYINT:
90 case INTEGER:
91 case INT:
92 case REAL:
93 case DOUBLE:
94 case FLOAT:
95 case DOUBLEPRECISION:
96 case LONG:
97 case BIGINT:
98 case SHORT:
99 case SMALLINT:
100 case BIGDECIMAL:
101 case DEC:
102 case DECIMAL:
103 case NUMERIC:
104 Number number = (Number ) object;
105 return rtrim(number.toString());
106 case CHARACTER:
107 case VARCHAR:
108 case CHAR:
109 case CHARACTERVARYING:
110 String string = (String ) object;
111 return rtrim(string);
112 default:
113 throw new DException("DSE514", new Object [] {StaticClass.getDataTypeName(type)});
114 }
115 }
116
117
146
147 private Object rtrim(String string) throws DException {
148 int len = string.length();
149 while ( (len > 0) && (string.charAt(len - 1) <= ' ')) {
150 len--;
151 }
152 return new FieldStringLiteral(string.substring(0, len), Datatype.CHARACTER);
153 }
154
155 public AbstractRowValueExpression[] getChilds() {
156 AbstractRowValueExpression[] childs = new AbstractRowValueExpression[] {
157 (AbstractRowValueExpression) (_charactervalueexpression1)};
158 return childs;
159
160 }
161
162 public String getType() throws DException {
163 return (String ) _SNONRESERVEDWORD1364442553.run(null);
164 }
165
166 public String toString() {
167 StringBuffer sb = new StringBuffer ();
168 sb.append(" ");
169 sb.append(_SNONRESERVEDWORD1364442553);
170 sb.append(" ");
171 sb.append(_Sleftparen6538802412);
172 sb.append(" ");
173 sb.append(_charactervalueexpression1);
174 sb.append(" ");
175 sb.append(_Srightparen_18748595140);
176 return sb.toString();
177 }
178
179 public Object clone() throws CloneNotSupportedException {
180 rtrimfunction tempClass = new rtrimfunction();
181 tempClass._Srightparen_18748595140 = (Srightparen_1874859514)
182 _Srightparen_18748595140.clone();
183 tempClass._charactervalueexpression1 = (charactervalueexpression)
184 _charactervalueexpression1.clone();
185 tempClass._Sleftparen6538802412 = (Sleftparen653880241)
186 _Sleftparen6538802412.clone();
187 tempClass._SNONRESERVEDWORD1364442553 = (SNONRESERVEDWORD136444255)
188 _SNONRESERVEDWORD1364442553.clone();
189 return tempClass;
190 }
191
192 public ByteComparison getByteComparison(Object object) throws DException {
193 ByteComparison byteComparison=new ByteComparison(false, new int[] {Datatype.CHARACTER});
194 byteComparison.setSize(getColumnSize(object));
195 return byteComparison;
196 }
197
198
221
222 public _Reference[] checkSemantic(_ServerSession parent) throws DException {
223 _Reference[] ref = super.checkSemantic(parent);
224 if(ref!=null) {
225 return ref;
226 }
227 int type = _charactervalueexpression1.getByteComparison(parent).getDataTypes()[0];
228 switch (type) {
229 case -1:
230 case BYTE:
231 case TINYINT:
232 case INTEGER:
233 case INT:
234 case REAL:
235 case DOUBLE:
236 case FLOAT:
237 case DOUBLEPRECISION:
238 case LONG:
239 case BIGINT:
240 case SHORT:
241 case SMALLINT:
242 case BIGDECIMAL:
243 case DEC:
244 case DECIMAL:
245 case NUMERIC:
246 case CHARACTER:
247 case VARCHAR:
248 case CHAR:
249 case CHARACTERVARYING:
250 return ref;
251 default:
252 throw new DException("DSE514", new Object [] {StaticClass.getDataTypeName(type)});
253 }
254 }
255
256 public int getColumnSize(Object object) throws DException {
257 ColumnDetails[] columnDetails = getChildColumnDetails();
258 if (columnDetails[0].getQuestion()) {
259 return DatabaseProperties.maxCharLiteralLength;
260 }
261 else if (columnDetails[0].getType() != TypeConstants.CONSTANT ||
262 columnDetails[0].getSize() != -5) {
263 return columnDetails[0].getSize();
264 }
265 else {
266 FieldBase field = (FieldBase) _charactervalueexpression1.run(object);
267 field.setDatatype(columnDetails[0].getDatatype());
268 return field.getLength();
269 }
270 }
271
272
273 }
274 |
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