Changelog, note, fix test

CHANGELOG.md

@@ -94,9 +94,11 @@
 - [Implemented `Panic.catch` and helper functions for handling errors. Added a
   type parameter to `Panic.recover` to recover specific types of errors.][3344]
 - [Added warning handling to `Table.aggregate`][3349]
-- [Improved performance of `Table.aggregate` and full warnings implementation]
-  [3364]
+- [Improved performance of `Table.aggregate` and full warnings
+  implementation][3364]
 - [Implemented `Text.reverse`][3377]
+- [Implemented support for most Table aggregations in the Database
+  backend.][3383]
 
 [debug-shortcuts]:
   https://github.com/enso-org/enso/blob/develop/app/gui/docs/product/shortcuts.md#debug
@@ -149,6 +151,7 @@
 [3366]: https://github.com/enso-org/enso/pull/3366
 [3379]: https://github.com/enso-org/enso/pull/3379
 [3381]: https://github.com/enso-org/enso/pull/3381
+[3383]: https://github.com/enso-org/enso/pull/3383
 
 #### Enso Compiler
 

distribution/lib/Standard/Database/0.0.0-dev/src/Data/Table.enso

@@ -657,6 +657,10 @@ type Table
                 new_name = p.first
                 Aggregate_Helper.make_aggregate_column this agg new_name . catch
             partitioned = results.partition (_.is_an Internal_Column)
+            ## When working on join we may encounter further issues with having
+               aggregate columns exposed directly, it may be useful to re-use
+               the `lift_aggregate` method to push the aggregates into a
+               subquery.
             new_columns = partitioned.first
             problems = partitioned.second
             on_problems.attach_problems_before problems <|

test/Table_Tests/src/Database/Postgresql_Spec.enso

@@ -29,9 +29,9 @@ postgres_specific_spec connection pending =
 
         Test.specify "should return Table information, also for aggregated results" <|
             i = t.aggregate [Concatenate "strs", Sum "ints", Count_Distinct "bools"] . info
-            i.index . to_vector . should_equal ["Concatenate strs", "Sum ints", "Count_Distinct bools"]
+            i.index . to_vector . should_equal ["Concatenate strs", "Sum ints", "Count Distinct bools"]
             i.at "Items Count" . to_vector . should_equal [1, 1, 1]
-            i.at "SQL Type" . to_vector . should_equal ["varchar", "int8", "bool"]
+            i.at "SQL Type" . to_vector . should_equal ["VARCHAR", "BIGINT", "BIGINT"]
 
         Test.specify "should infer standard types correctly" <|
             t.at "strs" . sql_type . is_definitely_text . should_be_true