Airblader commented on a change in pull request #18151:
URL: https://github.com/apache/flink/pull/18151#discussion_r772686276
##########
File path:
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/stream/table/DataGeneratorConnectorITCase.java
##########
@@ -69,6 +73,33 @@ public void testTypes() throws Exception {
}
}
- Assert.assertEquals("Unexpected number of results", 10,
results.size());
+ assertThat(results.size()).isEqualTo(10);
+ }
+
+ @Test
+ public void testLimit() throws Exception {
+ final TestingTableEnvironment env = TestingTableEnvironment
+ .create(
+
EnvironmentSettings.newInstance().inStreamingMode().build(),
+ null,
+ new TableConfig());
+
+ env.executeSql("CREATE TABLE datagen_t (\n"
+ + " f0 CHAR(1)\n"
+ + ") WITH ("
+ + " 'connector' = 'datagen'"
+ + ")");
+
+ List<Row> results = new ArrayList<>();
+
+ try (CloseableIterator<Row> iter = env
+ .executeSql("select * from datagen_t limit 5")
Review comment:
This test actually still doesn't test the limit pushdown support of this
source as the test cannot distinguish that from the limit applied generically
over all sources.
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