Examples with RoundDecimalExpression org.apache.phoenix.expression.function.RoundDecimalExpression used on opensource projects

Example 1 with RoundDecimalExpression

use of org.apache.phoenix.expression.function.RoundDecimalExpression in project phoenix by apache.

the class RoundFloorCeilExpressionsTest method testRoundNegativePrecisionDecimalExpression.

@Test
public void testRoundNegativePrecisionDecimalExpression() throws Exception {
    LiteralExpression decimalLiteral = LiteralExpression.newConstant(444.44, PDecimal.INSTANCE);
    Expression roundDecimalExpression = RoundDecimalExpression.create(decimalLiteral, -2);
    ImmutableBytesWritable ptr = new ImmutableBytesWritable();
    roundDecimalExpression.evaluate(null, ptr);
    Object result = roundDecimalExpression.getDataType().toObject(ptr);
    assertTrue(result instanceof BigDecimal);
    BigDecimal resultDecimal = (BigDecimal) result;
    assertEquals(0, BigDecimal.valueOf(400).compareTo(resultDecimal));
}

Example 2 with RoundDecimalExpression

use of org.apache.phoenix.expression.function.RoundDecimalExpression in project phoenix by apache.

the class RoundFloorCeilExpressionsTest method testRoundDecimalExpression.

// Decimal Expression Tests
@Test
public void testRoundDecimalExpression() throws Exception {
    LiteralExpression decimalLiteral = LiteralExpression.newConstant(1.23898, PDecimal.INSTANCE);
    Expression roundDecimalExpression = RoundDecimalExpression.create(decimalLiteral, 3);
    ImmutableBytesWritable ptr = new ImmutableBytesWritable();
    roundDecimalExpression.evaluate(null, ptr);
    Object result = roundDecimalExpression.getDataType().toObject(ptr);
    assertTrue(result instanceof BigDecimal);
    BigDecimal resultDecimal = (BigDecimal) result;
    assertEquals(BigDecimal.valueOf(1.239), resultDecimal);
}

Example 3 with RoundDecimalExpression

use of org.apache.phoenix.expression.function.RoundDecimalExpression in project phoenix by apache.

the class RoundFloorCeilExpressionsTest method testRoundDecimalExpressionNoop.

@Test
public void testRoundDecimalExpressionNoop() throws Exception {
    LiteralExpression decimalLiteral = LiteralExpression.newConstant(5, PInteger.INSTANCE);
    Expression roundDecimalExpression = RoundDecimalExpression.create(decimalLiteral, 3);
    assertEquals(roundDecimalExpression, decimalLiteral);
}