godfreyhe commented on a change in pull request #14451:
URL: https://github.com/apache/flink/pull/14451#discussion_r548361542
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/calcite/FlinkTypeFactoryTest.scala
##########
@@ -91,4 +94,16 @@ class FlinkTypeFactoryTest {
Assert.assertEquals(new DecimalType(38, 5),
FlinkTypeSystem.inferAggSumType(5))
Assert.assertEquals(new DecimalType(false, 38, 6),
FlinkTypeSystem.inferAggAvgType(5))
}
+
+ @Test
+ def testCanonizeType(): Unit = {
+ val typeFactory = FlinkTypeFactory.INSTANCE
+ val genericTypeInfo = Types.GENERIC(classOf[TestClass])
+ val genericRelType = typeFactory.createFieldTypeFromLogicalType(new
TypeInformationRawType(genericTypeInfo))
+ val genericRelType2 = typeFactory.createFieldTypeFromLogicalType(new
TypeInformationRawType(genericTypeInfo))
+
+ assertTrue("The type expect to be canonized", genericRelType ==
genericRelType2)
Review comment:
should use `eq` instead of `==` for object equivalence in Scala
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