Add unique list of genres to Livebook

2025-02-22 08:11:06 +00:00
parent 358dc10138
commit b44379134b
1 changed files with 25 additions and 5 deletions
@@ -20,9 +20,7 @@ opts = [
 {:ok, conn} = Kino.start_child({Exqlite, opts})
 ```

-## Aggregates
-
-### Number of releases per record
+## Number of releases per record

 <!-- livebook:{"attrs":"eyJjYWNoZV9xdWVyeSI6dHJ1ZSwiY29ubmVjdGlvbiI6eyJ0eXBlIjoic3FsaXRlIiwidmFyaWFibGUiOiJjb25uIn0sImRhdGFfZnJhbWVfYWxpYXMiOiJFbGl4aXIuRXhwbG9yZXIuRGF0YUZyYW1lIiwicXVlcnkiOiJzZWxlY3RcbiAgZGlzdGluY3QganNvbl9leHRyYWN0KGFydGlzdHMsICckWzBdLm5hbWUnKSBBUyBhcnRpc3RfbmFtZSxcbiAgdGl0bGUsXG4gIGpzb25fYXJyYXlfbGVuZ3RoKHJlbGVhc2VfaWRzKSBBUyBudW1iZXJfb2ZfcmVsZWFzZXNcbmZyb20gcmVjb3Jkc1xub3JkZXIgYnkgbnVtYmVyX29mX3JlbGVhc2VzIGRlc2NcbjsiLCJyZXN1bHRfdmFyaWFibGUiOiJjb3VudF9ieV9yZWxlYXNlcyIsInRpbWVvdXQiOm51bGx9","chunks":null,"kind":"Elixir.KinoDB.SQLCell","livebook_object":"smart_cell"} -->

@@ -43,7 +41,7 @@ count_by_releases =
  )
 ```

-### Count of records per artist
+## Count of records per artist

 <!-- livebook:{"attrs":"eyJjYWNoZV9xdWVyeSI6dHJ1ZSwiY29ubmVjdGlvbiI6eyJ0eXBlIjoic3FsaXRlIiwidmFyaWFibGUiOiJjb25uIn0sImRhdGFfZnJhbWVfYWxpYXMiOiJFbGl4aXIuRXhwbG9yZXIuRGF0YUZyYW1lIiwicXVlcnkiOiJzZWxlY3QganNvbl9leHRyYWN0KGFydGlzdC52YWx1ZSwgJyQubmFtZScpIGFzIG5hbWUsIGNvdW50KDEpIGFzIGNcbmZyb20gcmVjb3JkcywganNvbl9lYWNoKHJlY29yZHMuYXJ0aXN0cykgYXJ0aXN0XG5ncm91cCBieSBuYW1lXG5vcmRlciBieSBjIGRlc2NcbjsiLCJyZXN1bHRfdmFyaWFibGUiOiJjb3VudF9ieV9hcnRpc3QiLCJ0aW1lb3V0IjpudWxsfQ","chunks":null,"kind":"Elixir.KinoDB.SQLCell","livebook_object":"smart_cell"} -->

@@ -72,7 +70,7 @@ VegaLite.new(width: 600, title: "Count by Artist")
 |> VegaLite.encode_field(:y, "name", type: :nominal)
 ```

-### Count of records by genre
+## Count of records by genre

 <!-- livebook:{"attrs":"eyJjYWNoZV9xdWVyeSI6dHJ1ZSwiY29ubmVjdGlvbiI6eyJ0eXBlIjoic3FsaXRlIiwidmFyaWFibGUiOiJjb25uIn0sImRhdGFfZnJhbWVfYWxpYXMiOiJFbGl4aXIuRXhwbG9yZXIuRGF0YUZyYW1lIiwicXVlcnkiOiJzZWxlY3QgZ2VucmUudmFsdWUsIGNvdW50KGdlbnJlLnZhbHVlKSBhcyBjXG5mcm9tIHJlY29yZHMsIGpzb25fZWFjaChyZWNvcmRzLmdlbnJlcykgZ2VucmVcbmdyb3VwIGJ5IGdlbnJlLnZhbHVlXG5vcmRlciBieSBjIGRlc2NcbjtcbiIsInJlc3VsdF92YXJpYWJsZSI6ImNvdW50X2J5X2dlbnJlIiwidGltZW91dCI6bnVsbH0","chunks":null,"kind":"Elixir.KinoDB.SQLCell","livebook_object":"smart_cell"} -->

@@ -109,3 +107,25 @@ VegaLite.new(width: 600, title: "Count by genre")
 |> VegaLite.encode_field(:x, "c", type: :quantitative)
 |> VegaLite.encode_field(:y, "value", type: :nominal)
 ```
+
+## All unique genres
+
+<!-- livebook:{"attrs":"eyJjYWNoZV9xdWVyeSI6dHJ1ZSwiY29ubmVjdGlvbiI6eyJ0eXBlIjoic3FsaXRlIiwidmFyaWFibGUiOiJjb25uIn0sImRhdGFfZnJhbWVfYWxpYXMiOiJFbGl4aXIuRXhwbG9yZXIuRGF0YUZyYW1lIiwicXVlcnkiOiJzZWxlY3QgZGlzdGluY3QgZ2VucmUudmFsdWVcbmZyb20gcmVjb3JkcywganNvbl9lYWNoKHJlY29yZHMuZ2VucmVzKSBnZW5yZVxuO1xuIiwicmVzdWx0X3ZhcmlhYmxlIjoiZ2VucmVzIiwidGltZW91dCI6bnVsbH0","chunks":null,"kind":"Elixir.KinoDB.SQLCell","livebook_object":"smart_cell"} -->
+
+```elixir
+genres =
+  Exqlite.query!(
+    conn,
+    ~S"""
+    select distinct genre.value
+    from records, json_each(records.genres) genre
+    ;
+
+    """,
+    []
+  )
+```
+
+```elixir
+Enum.join(genres.rows, ",")
+```