wuchong commented on a change in pull request #10769: [FLINK-15479]Override
explainSource method for JDBCTableSource
URL: https://github.com/apache/flink/pull/10769#discussion_r364185518
##########
File path:
flink-connectors/flink-jdbc/src/test/java/org/apache/flink/api/java/io/jdbc/JDBCTableSourceSinkFactoryTest.java
##########
@@ -182,6 +184,12 @@ public void testJDBCWithFilter() {
assertEquals(projectedFields.get("aaa"), DataTypes.INT());
assertNull(projectedFields.get("bbb"));
assertEquals(projectedFields.get("ccc"), DataTypes.DOUBLE());
+
+ // test jdbc table source description
+ List<String> fieldNames = ((RowType)
actual.getProducedDataType().getLogicalType()).getFieldNames();
+ String expectedSourceDescription =
actual.getClass().getSimpleName()
+ + "(" + String.join(", ",
fieldNames.stream().toArray(String[]::new)) + ")";
Review comment:
I think we should add an integreation test to verify the JDBC source can
work when project is pushed down.
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