ebyhr commented on code in PR #11729:
URL: https://github.com/apache/iceberg/pull/11729#discussion_r1879148802
##########
spark/v3.5/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestViews.java:
##########
@@ -562,6 +562,67 @@ public void readFromViewWithCTE() throws
NoSuchTableException {
assertThat(sql("SELECT * FROM %s",
viewName)).hasSize(1).containsExactly(row(10, 1L));
}
+ @TestTemplate
+ public void readFromViewWithGroupByOrdinal() throws NoSuchTableException {
+ insertRows(10);
+ String viewName = viewName("viewWithGroupByOrdinal");
+ String sql = String.format("SELECT id FROM %s group by 1", tableName);
+
+ ViewCatalog viewCatalog = viewCatalog();
+
+ viewCatalog
+ .buildView(TableIdentifier.of(NAMESPACE, viewName))
+ .withQuery("spark", sql)
+ .withDefaultNamespace(NAMESPACE)
+ .withDefaultCatalog(catalogName)
+ .withSchema(schema(sql))
+ .create();
+
+ List<Object[]> expected =
+ IntStream.rangeClosed(1,
10).mapToObj(this::row).collect(Collectors.toList());
+
+ assertThat(sql("SELECT * FROM %s", viewName))
+ .hasSize(10)
+ .containsExactlyInAnyOrderElementsOf(expected);
+ }
+
+ @TestTemplate
+ public void readFromViewWithOrderByOrdinal() throws NoSuchTableException {
+ insertRows(10);
+ String viewName = viewName("viewWithOrderByOrdinal");
+ String sql = String.format("SELECT id FROM %s order by 1", tableName);
Review Comment:
nit: Uppercase `order by`.
##########
spark/v3.5/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestViews.java:
##########
@@ -562,6 +562,67 @@ public void readFromViewWithCTE() throws
NoSuchTableException {
assertThat(sql("SELECT * FROM %s",
viewName)).hasSize(1).containsExactly(row(10, 1L));
}
+ @TestTemplate
+ public void readFromViewWithGroupByOrdinal() throws NoSuchTableException {
+ insertRows(10);
+ String viewName = viewName("viewWithGroupByOrdinal");
+ String sql = String.format("SELECT id FROM %s group by 1", tableName);
Review Comment:
nit: Uppercase `group by`.
##########
spark/v3.5/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestViews.java:
##########
@@ -562,6 +562,67 @@ public void readFromViewWithCTE() throws
NoSuchTableException {
assertThat(sql("SELECT * FROM %s",
viewName)).hasSize(1).containsExactly(row(10, 1L));
}
+ @TestTemplate
+ public void readFromViewWithGroupByOrdinal() throws NoSuchTableException {
+ insertRows(10);
+ String viewName = viewName("viewWithGroupByOrdinal");
+ String sql = String.format("SELECT id FROM %s group by 1", tableName);
+
+ ViewCatalog viewCatalog = viewCatalog();
+
+ viewCatalog
+ .buildView(TableIdentifier.of(NAMESPACE, viewName))
+ .withQuery("spark", sql)
+ .withDefaultNamespace(NAMESPACE)
+ .withDefaultCatalog(catalogName)
+ .withSchema(schema(sql))
+ .create();
+
+ List<Object[]> expected =
+ IntStream.rangeClosed(1,
10).mapToObj(this::row).collect(Collectors.toList());
+
+ assertThat(sql("SELECT * FROM %s", viewName))
+ .hasSize(10)
+ .containsExactlyInAnyOrderElementsOf(expected);
+ }
+
+ @TestTemplate
+ public void readFromViewWithOrderByOrdinal() throws NoSuchTableException {
+ insertRows(10);
+ String viewName = viewName("viewWithOrderByOrdinal");
+ String sql = String.format("SELECT id FROM %s order by 1", tableName);
+
+ ViewCatalog viewCatalog = viewCatalog();
+
+ viewCatalog
+ .buildView(TableIdentifier.of(NAMESPACE, viewName))
+ .withQuery("spark", sql)
+ .withDefaultNamespace(NAMESPACE)
+ .withDefaultCatalog(catalogName)
+ .withSchema(schema(sql))
+ .create();
+
+ List<Object[]> expected =
+ IntStream.rangeClosed(1,
10).mapToObj(this::row).collect(Collectors.toList());
+
+ assertThat(sql("SELECT * FROM %s", viewName))
+ .hasSize(10)
+ .containsExactlyInAnyOrderElementsOf(expected);
+ }
+
+ @TestTemplate
+ public void createViewWithGroupByOrdinal() throws NoSuchTableException {
+ insertRows(10);
+ String viewName = viewName("createViewWithGroupByOrdinal");
+ sql("CREATE VIEW %s AS SELECT id FROM %s GROUP BY 1", viewName, tableName);
+ List<Object[]> expected =
+ IntStream.rangeClosed(1,
10).mapToObj(this::row).collect(Collectors.toList());
+
+ assertThat(sql("SELECT * FROM %s", viewName))
+ .hasSize(10)
+ .containsExactlyInAnyOrderElementsOf(expected);
Review Comment:
This test doesn't ensure whether `GROUP BY` is effective or not because it
specifies id column. Ideally, it should specify non-id column and verify the
duplicate value is eliminated.
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