Additional perf test with complex SELECT statement

Author: nene

package.json

@@ -29,7 +29,8 @@
     "test:sqlite": "jest --config test/config/sqlite.json",
     "test": "yarn generate && yarn test:bigquery && yarn test:mysql && yarn test:sqlite",
     "perf:big": "yarn ts-node perf/perf-test.ts big",
-    "perf:func": "yarn ts-node perf/perf-test.ts func"
+    "perf:func": "yarn ts-node perf/perf-test.ts func",
+    "perf:select": "yarn ts-node perf/perf-test.ts select"
   },
   "devDependencies": {
     "@types/benchmark": "^2.1.2",

perf/data-select.sql

@@ -0,0 +1,70 @@
+WITH
+  FullAlbum AS (
+    SELECT
+      AlbumId,
+      Album.Title AS AlbumName,
+      Artist.ArtistId AS ArtistId,
+      Artist.Name as ArtistName
+    FROM
+      Album
+      LEFT JOIN Artist ON Album.ArtistId = Artist.ArtistId
+  ),
+  FullTrack AS (
+    SELECT
+      TrackId,
+      Track.Name AS TrackName,
+      AlbumId,
+      MediaType.Name AS Media,
+      Genre.Name AS Genre,
+      Composer,
+      Milliseconds,
+      Bytes,
+      UnitPrice
+    FROM
+      Track
+      LEFT JOIN MediaType USING (MediaTypeId)
+      LEFT JOIN Genre USING (GenreId)
+  ),
+  ArtistTrackCount AS (
+    SELECT
+      ArtistId,
+      ArtistName,
+      COUNT(TrackId) AS TrackCount
+    FROM
+      FullAlbum
+      LEFT JOIN FullTrack USING (AlbumId)
+    GROUP BY
+      ArtistId
+    ORDER BY
+      TrackCount DESC,
+      ArtistName ASC
+  ),
+  ArtistPlaylistCount AS (
+    SELECT
+      ArtistId,
+      ArtistName,
+      COUNT(DISTINCT PlaylistId) AS PlaylistCount
+    FROM
+      FullAlbum
+      LEFT JOIN Track USING (AlbumId)
+      LEFT JOIN PlaylistTrack USING (TrackId)
+    GROUP BY
+      ArtistId
+    ORDER BY
+      PlaylistCount DESC,
+      ArtistName ASC
+  )
+SELECT
+  ArtistTrackCount.ArtistName AS ArtistName,
+  TrackCount,
+  PlaylistCount,
+  TrackCount / PlaylistCount AS TracksPerPlaylist
+FROM
+  ArtistTrackCount
+  LEFT JOIN ArtistPlaylistCount USING (ArtistId)
+ORDER BY
+  TracksPerPlaylist DESC,
+  TrackCount DESC,
+  PlaylistCount DESC
+LIMIT
+  15;

perf/perf-test.ts

@@ -25,6 +25,12 @@ function createTestData(variant: string) {
       mysql: getTestData("mysql"),
       bigquery: getTestData("bigquery"),
     };
+  } else if (variant === "select") {
+    return {
+      sqlite: getTestData("select"),
+      mysql: getTestData("select"),
+      bigquery: getTestData("select"),
+    };
   } else {
     throw new Error(`Unknown test data variant: ${variant}`);
   }