Package org.apache.phoenix.expression

Examples of org.apache.phoenix.expression.DecimalMultiplyExpression.evaluate()

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        op1 = LiteralExpression.newConstant(new BigDecimal("12345"), PDataType.DECIMAL, 5, 0);
        op2 = LiteralExpression.newConstant(new BigDecimal("123.45"), PDataType.DECIMAL, 5, 2);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        evaluated = e.evaluate(null, ptr);
        assertTrue(evaluated);
        assertEqualValue(PDataType.DECIMAL, new BigDecimal("1523990.25"), ptr);

        // Value too big, exceeds precision.
        op1 = LiteralExpression.newConstant(new BigDecimal("12345678901234567890123456789012345678"), PDataType.DECIMAL, 38, 0);
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        op2 = LiteralExpression.newConstant(new BigDecimal("12345"), PDataType.DECIMAL, 5, 0);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        try {
            evaluated = e.evaluate(null, ptr);
            fail("Evaluation should have failed");
        } catch (ValueTypeIncompatibleException ex) {
        }

        // Values exceeds scale.
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        op2 = LiteralExpression.newConstant(new BigDecimal("1.45"), PDataType.DECIMAL, 3, 2);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        try {
            evaluated = e.evaluate(null, ptr);
            fail("Evaluation should have failed");
        } catch (ValueTypeIncompatibleException ex) {
        }
       
        // Decimal with no precision and scale.
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        assertNull(op1.getScale());
        op2 = LiteralExpression.newConstant(new BigDecimal("1.1111"), PDataType.DECIMAL, 5, 4);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        evaluated = e.evaluate(null, ptr);
        assertTrue(evaluated);
        assertEqualValue(PDataType.DECIMAL, new BigDecimal("1234.54321"), ptr);
    }

    // Division
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        op1 = LiteralExpression.newConstant(new BigDecimal("12345"), PDataType.DECIMAL, 5, 0);
        op2 = LiteralExpression.newConstant(new BigDecimal("123.45"), PDataType.DECIMAL, 5, 2);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        evaluated = e.evaluate(null, ptr);
        assertTrue(evaluated);
        assertEqualValue(PDataType.DECIMAL, new BigDecimal("1523990.25"), ptr);

        // Value too big, exceeds precision.
        op1 = LiteralExpression.newConstant(new BigDecimal("12345678901234567890123456789012345678"), PDataType.DECIMAL, 38, 0);
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        op2 = LiteralExpression.newConstant(new BigDecimal("12345"), PDataType.DECIMAL, 5, 0);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        try {
            evaluated = e.evaluate(null, ptr);
            fail("Evaluation should have failed");
        } catch (ValueTypeIncompatibleException ex) {
        }

        // Values exceeds scale.
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        op2 = LiteralExpression.newConstant(new BigDecimal("1.45"), PDataType.DECIMAL, 3, 2);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        try {
            evaluated = e.evaluate(null, ptr);
            fail("Evaluation should have failed");
        } catch (ValueTypeIncompatibleException ex) {
        }
       
        // Decimal with no precision and scale.
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        assertEquals(Integer.valueOf(1),op1.getScale());
        op2 = LiteralExpression.newConstant(new BigDecimal("1.1111"), PDataType.DECIMAL, 5, 4);
        children = Arrays.<Expression>asList(op1, op2);
        e = new DecimalMultiplyExpression(children);
        ptr = new ImmutableBytesWritable();
        evaluated = e.evaluate(null, ptr);
        assertTrue(evaluated);
        assertEqualValue(PDataType.DECIMAL, new BigDecimal("1234.54321"), ptr);
    }

    // Division
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