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1
33 package smallsql.database;
34
35
36 abstract class ExpressionFunctionReturnFloat extends ExpressionFunction {
37
38 boolean isNull() throws Exception  {
39 return param1.isNull();
40 }
41
42 final boolean getBoolean() throws Exception {
43 return getDouble() != 0;
44 }
45
46 final int getInt() throws Exception {
47 return (int)getDouble();
48 }
49
50 final long getLong() throws Exception {
51 return (long)getDouble();
52 }
53
54 final float getFloat() throws Exception {
55 return (float)getDouble();
56 }
57
58
59 long getMoney() throws Exception {
60 return Utils.doubleToMoney(getDouble());
61 }
62
63 final MutableNumeric getNumeric() throws Exception {
64 if(isNull()) return null;
65 double value = getDouble();
66 if(Double.isInfinite(value) || Double.isNaN(value))
67 return null;
68 return new MutableNumeric(value);
69 }
70
71 final Object getObject() throws Exception {
72 if(isNull()) return null;
73 return new Double (getDouble());
74 }
75
76 final String getString() throws Exception {
77 Object obj = getObject();
78 if(obj == null) return null;
79 return obj.toString();
80 }
81
82 final int getDataType() {
83 return SQLTokenizer.FLOAT;
84 }
85
86
87 } |
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