reallocf commented on a change in pull request #5326:
URL: https://github.com/apache/incubator-pinot/pull/5326#discussion_r419042856
##########
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));
Review comment:
There's some testing value to keeping the `new StringBuilder...` - will
change back
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