reallocf commented on a change in pull request #5326:
URL: https://github.com/apache/incubator-pinot/pull/5326#discussion_r419034116
##########
File path:
pinot-core/src/test/java/org/apache/pinot/core/data/function/DefaultFunctionEvaluatorTest.java
##########
@@ -34,69 +35,72 @@
@Test
public void testExpressionWithColumn()
throws Exception {
- Method method = MyFunc.class.getDeclaredMethod("reverseString",
String.class);
- FunctionRegistry.registerStaticFunction(method);
- FunctionInfo functionInfo = FunctionRegistry.resolve("reverseString", new
Class<?>[]{Object.class});
+ MyFunc myFunc = new MyFunc();
+ FunctionRegistry functionRegistry = new FunctionRegistry(
+
Collections.singletonList(myFunc.getClass().getDeclaredMethod("reverseString",
String.class)));
+ FunctionInfo functionInfo = functionRegistry.resolve("reverseString", new
Class<?>[]{Object.class});
System.out.println(functionInfo);
String expression = "reverseString(testColumn)";
- DefaultFunctionEvaluator evaluator = new
DefaultFunctionEvaluator(expression);
+ DefaultFunctionEvaluator evaluator = new
DefaultFunctionEvaluator(expression, functionRegistry);
Assert.assertEquals(evaluator.getArguments(),
Lists.newArrayList("testColumn"));
GenericRow row = new GenericRow();
for (int i = 0; i < 5; i++) {
String value = "testValue" + i;
row.putField("testColumn", value);
Object result = evaluator.evaluate(row);
- Assert.assertEquals(result, new
StringBuilder(value).reverse().toString());
+ Assert.assertEquals(result, myFunc.reverseString(value));
}
}
@Test
public void testExpressionWithConstant()
throws Exception {
- FunctionRegistry
-
.registerStaticFunction(MyFunc.class.getDeclaredMethod("daysSinceEpoch",
String.class, String.class));
+ MyFunc myFunc = new MyFunc();
+ FunctionRegistry functionRegistry = new FunctionRegistry(
+
Collections.singletonList(myFunc.getClass().getDeclaredMethod("daysSinceEpoch",
String.class, String.class)));
String input = "1980-01-01";
String format = "yyyy-MM-dd";
String expression = String.format("daysSinceEpoch('%s', '%s')", input,
format);
- DefaultFunctionEvaluator evaluator = new
DefaultFunctionEvaluator(expression);
+ DefaultFunctionEvaluator evaluator = new
DefaultFunctionEvaluator(expression, functionRegistry);
Assert.assertTrue(evaluator.getArguments().isEmpty());
GenericRow row = new GenericRow();
Object result = evaluator.evaluate(row);
- Assert.assertEquals(result, MyFunc.daysSinceEpoch(input, format));
+ Assert.assertEquals(result, myFunc.daysSinceEpoch(input, format));
}
@Test
public void testMultiFunctionExpression()
throws Exception {
-
FunctionRegistry.registerStaticFunction(MyFunc.class.getDeclaredMethod("reverseString",
String.class));
- FunctionRegistry
-
.registerStaticFunction(MyFunc.class.getDeclaredMethod("daysSinceEpoch",
String.class, String.class));
+ MyFunc myFunc = new MyFunc();
+ FunctionRegistry functionRegistry = new FunctionRegistry(Arrays
+ .asList(myFunc.getClass().getDeclaredMethod("reverseString",
String.class),
Review comment:
`Lists.newArrayList(...)`
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