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1 package com.daffodilwoods.daffodildb.server.sql99.expression.numericvalueexpression;
2
3 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.*;
4 import com.daffodilwoods.daffodildb.server.serversystem.*;
5 import com.daffodilwoods.daffodildb.server.sql99.common.*;
6 import com.daffodilwoods.daffodildb.server.sql99.expression.rowvalueexpression.*;
7 import com.daffodilwoods.daffodildb.server.sql99.token.*;
8 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
9 import com.daffodilwoods.daffodildb.utils.*;
10 import com.daffodilwoods.daffodildb.utils.field.*;
11 import com.daffodilwoods.database.resource.*;
12
13 public class modulusexpression extends AbstractNumericValueFunction {
14
15 public parencommanumericvalueexpression _parencommanumericvalueexpression0;
16 public SNONRESERVEDWORD136444255 _SNONRESERVEDWORD1364442551;
17
18 public Object  run(Object object) throws com.daffodilwoods.database.resource.DException {
19 FieldBase[] res = GeneralPurposeStaticClass.changeIntoFieldBase( (Object []) _parencommanumericvalueexpression0.run(object));
20 FieldBase result1 = res[0];
21 FieldBase result2 = res[1];
22 if (result1.isNull() || result2.isNull()) {
23 return new FieldLiteral(FieldUtility.NULLBUFFERRANGE, DOUBLE);
24 }
25 if (result2.getObject().hashCode() == 0) {
26 throw new DException("DSE334", null);
27 }
28 return getResult(getDataType(result1), getDataType(result2),
29 result1.getObject(), result2.getObject());
30 }
31
32 public ParameterInfo[] getParameterInfo() throws DException {
33 ParameterInfo[] paramInfo = super.getParameterInfo();
34 for (int i = 0; i < paramInfo.length; i++) {
35 if (paramInfo[i].getQuestionMark()) {
36 paramInfo[i].setDataType(Datatypes.DOUBLE);
37 paramInfo[i].setName("MODULUS Arg");
38 }
39 }
40 return paramInfo;
41 }
42
43 public ColumnDetails[] getExistingColumnDetails() throws DException {
44 return columnDetails;
45 }
46
47 private Object getResult(int type1, int type2, Object result1, Object result2) throws DException {
48 if(result2 instanceof Number ) {
49 if ( ( (Number ) result2).intValue() == 0) {
50 throw new DException("DSE334", null);
51 }
52 }
53 switch(type1){
54 case BYTE : case TINYINT :
55 case SHORT : case SMALLINT :
56 case INTEGER : case INT :
57 case LONG : case BIGINT :
58 switch(type2) {
59 case BYTE : case TINYINT :
60 case SHORT : case SMALLINT :
61 case INTEGER : case INT :
62 case LONG : case BIGINT :
63 long operand1 = ((Number )result1).longValue();
64 long operand2 = ((Number )result2).longValue();
65 return new FieldLiteral(new Double (operand1 % operand2),Datatype.DOUBLE);
66 case REAL : case DOUBLE :
67 case FLOAT : case DOUBLEPRECISION :
68 case DEC :
69 case DECIMAL : case NUMERIC :
70 long operand01 = ((Number )result1).longValue();
71 double operand02 = ((Number )result2).doubleValue();
72 return new FieldLiteral(new Double (operand01 % operand02),Datatype.DOUBLE);
73 default:
74 throw new DException("DSE4108",new Object []{StaticClass.getDataTypeName(type2),"MOD"});
75 }
76 case REAL :
77 case DOUBLE : case FLOAT : case DOUBLEPRECISION :
78 case DEC : case DECIMAL : case NUMERIC :
79 switch(type2){
80 case BYTE : case TINYINT :
81 case SHORT : case SMALLINT :
82 case INTEGER : case INT :
83 case LONG : case BIGINT :
84 case REAL : case DOUBLE :
85 case FLOAT : case DOUBLEPRECISION :
86 case DEC :
87 case DECIMAL : case NUMERIC :
88 double operand1 = ((Number )result1).doubleValue();
89 double operand2 = ((Number )result2).doubleValue();
90 return new FieldLiteral(new Double (operand1 % operand2),Datatype.DOUBLE);
91 default:
92 throw new DException("DSE4108",new Object []{StaticClass.getDataTypeName(type2),"MOD"});
93 }
94 default:
95 throw new DException("DSE4108",new Object []{StaticClass.getDataTypeName(type1),"MOD"});
96 }
97 }
98
99
293
294 public AbstractRowValueExpression[] getChilds() {
295 AbstractRowValueExpression[] childs = new AbstractRowValueExpression[] {_parencommanumericvalueexpression0};
296 return childs;
297 }
298
299 public String getType() throws DException {
300 return (String ) _SNONRESERVEDWORD1364442551.run(null);
301 }
302
303 public String toString() {
304 StringBuffer sb = new StringBuffer ();
305 sb.append(" ");
306 sb.append(_SNONRESERVEDWORD1364442551);
307 sb.append(_parencommanumericvalueexpression0);
308 return sb.toString();
309 }
310
311 public Object clone() throws CloneNotSupportedException {
312 modulusexpression tempClass = new modulusexpression();
313 tempClass._parencommanumericvalueexpression0 = (parencommanumericvalueexpression) _parencommanumericvalueexpression0.clone();
314 tempClass._SNONRESERVEDWORD1364442551 = (SNONRESERVEDWORD136444255) _SNONRESERVEDWORD1364442551.clone();
315 return tempClass;
316 }
317
318 public ByteComparison getByteComparison(Object object) throws DException {
319 ByteComparison byteComparison = new ByteComparison(false, new int[] {DOUBLE});
320 byteComparison.setSize(getColumnSize(object));
321 return byteComparison;
322 }
323
324 public _Reference[] checkSemantic(_ServerSession parent) throws DException {
325 _Reference[] ref = super.checkSemantic(parent);
326 if(ref!=null) {
327 return ref;
328 }
329 int type[] = _parencommanumericvalueexpression0.getByteComparison(parent).getDataTypes();
330 if (type[0] == -1 || type[0] <= 15) {
331 if (type[1] == -1 || type[1] <= 15) {
332 return ref;
333 }
334 throw new DException("DSE4108",
335 new Object [] {StaticClass.getDataTypeName(type[1]),
336 "MOD"});
337 }
338 throw new DException("DSE4108",
339 new Object [] {StaticClass.getDataTypeName(type[0]),
340 "MOD"});
341
342 }
343 public int getColumnSize(Object object) throws DException {
344 return Datatypes.DOUBLESIZE;
345 }
346 }
347 |
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