Examples with Expr org.apache.druid.math.expr.Expr used on opensource projects

Example 16 with Expr

use of org.apache.druid.math.expr.Expr in project druid by druid-io.

the class HyperUniqueExpressionsTest method testEstimateWrongArgTypes.

@Test
public void testEstimateWrongArgTypes() {
    expectedException.expect(IAE.class);
    expectedException.expectMessage("Function[hyper_unique_estimate] must take a hyper-log-log collector as input");
    Expr expr = Parser.parse("hyper_unique_estimate(100)", MACRO_TABLE);
    expr.eval(inputBindings);
}

Example 17 with Expr

use of org.apache.druid.math.expr.Expr in project druid by druid-io.

the class HyperUniqueExpressionsTest method testCreate.

@Test
public void testCreate() {
    Expr expr = Parser.parse("hyper_unique()", MACRO_TABLE);
    ExprEval eval = expr.eval(inputBindings);
    Assert.assertEquals(HyperUniqueExpressions.TYPE, eval.type());
    Assert.assertTrue(eval.value() instanceof HyperLogLogCollector);
    Assert.assertEquals(0.0, ((HyperLogLogCollector) eval.value()).estimateCardinality(), 0);
}

Example 18 with Expr

use of org.apache.druid.math.expr.Expr in project druid by druid-io.

the class HyperUniqueExpressionsTest method testString.

@Test
public void testString() {
    Expr expr = Parser.parse("hyper_unique_add('foo', hyper_unique())", MACRO_TABLE);
    ExprEval eval = expr.eval(inputBindings);
    Assert.assertEquals(HyperUniqueExpressions.TYPE, eval.type());
    Assert.assertTrue(eval.value() instanceof HyperLogLogCollector);
    Assert.assertEquals(1.0, ((HyperLogLogCollector) eval.value()).estimateCardinality(), 0.01);
    expr = Parser.parse("hyper_unique_add('bar', hyper_unique_add('foo', hyper_unique()))", MACRO_TABLE);
    eval = expr.eval(inputBindings);
    Assert.assertEquals(HyperUniqueExpressions.TYPE, eval.type());
    Assert.assertTrue(eval.value() instanceof HyperLogLogCollector);
    Assert.assertEquals(2.0, ((HyperLogLogCollector) eval.value()).estimateCardinality(), 0.01);
    expr = Parser.parse("hyper_unique_add(string, hyper_unique())", MACRO_TABLE);
    eval = expr.eval(inputBindings);
    Assert.assertEquals(HyperUniqueExpressions.TYPE, eval.type());
    Assert.assertTrue(eval.value() instanceof HyperLogLogCollector);
    Assert.assertEquals(1.0, ((HyperLogLogCollector) eval.value()).estimateCardinality(), 0.01);
    expr = Parser.parse("hyper_unique_add(nullString, hyper_unique())", MACRO_TABLE);
    eval = expr.eval(inputBindings);
    Assert.assertEquals(HyperUniqueExpressions.TYPE, eval.type());
    Assert.assertTrue(eval.value() instanceof HyperLogLogCollector);
    Assert.assertEquals(NullHandling.replaceWithDefault() ? 1.0 : 0.0, ((HyperLogLogCollector) eval.value()).estimateCardinality(), 0.01);
}

Example 19 with Expr

use of org.apache.druid.math.expr.Expr in project druid by druid-io.

the class IPv4AddressMatchExprMacroTest method testInvalidArgType.

@Test
public void testInvalidArgType() {
    Expr longArray = ExprEval.ofLongArray(new Long[] { 1L, 2L }).toExpr();
    Assert.assertFalse(eval(longArray, SUBNET_192_168));
}

Example 20 with Expr

use of org.apache.druid.math.expr.Expr in project druid by druid-io.

the class IPv4AddressMatchExprMacroTest method testSubnetArgInvalid.

@Test
public void testSubnetArgInvalid() {
    expectException(IllegalArgumentException.class, "subnet arg has an invalid format");
    Expr invalidSubnet = ExprEval.of("192.168.0.1/invalid").toExpr();
    apply(Arrays.asList(IPV4, invalidSubnet));
}