Commits on Nov 18, 2024

1. fix (day2): update scorer_class to scoring_class …

   In the lab video the column is named `scoring_class` :
   
   ```sql
   INSERT INTO players
   WITH years AS (
       SELECT *
       FROM GENERATE_SERIES(1996, 2022) AS season
   ), p AS (
       SELECT
           player_name,
           MIN(season) AS first_season
       FROM player_seasons
       GROUP BY player_name
   ), players_and_seasons AS (
       SELECT *
       FROM p
       JOIN years y
           ON p.first_season <= y.season
   ), windowed AS (
       SELECT
           pas.player_name,
           pas.season,
           ARRAY_REMOVE(
               ARRAY_AGG(
                   CASE
                       WHEN ps.season IS NOT NULL
                           THEN ROW(
                               ps.season,
                               ps.gp,
                               ps.pts,
                               ps.reb,
                               ps.ast
                           )::season_stats
                   END)
               OVER (PARTITION BY pas.player_name ORDER BY COALESCE(pas.season, ps.season)),
               NULL
           ) AS seasons
       FROM players_and_seasons pas
       LEFT JOIN player_seasons ps
           ON pas.player_name = ps.player_name
           AND pas.season = ps.season
       ORDER BY pas.player_name, pas.season
   ), static AS (
       SELECT
           player_name,
           MAX(height) AS height,
           MAX(college) AS college,
           MAX(country) AS country,
           MAX(draft_year) AS draft_year,
           MAX(draft_round) AS draft_round,
           MAX(draft_number) AS draft_number
       FROM player_seasons
       GROUP BY player_name
   )
   SELECT
       w.player_name,
       s.height,
       s.college,
       s.country,
       s.draft_year,
       s.draft_round,
       s.draft_number,
       seasons AS season_stats,
       CASE
           WHEN (seasons[CARDINALITY(seasons)]::season_stats).pts > 20 THEN 'star'
           WHEN (seasons[CARDINALITY(seasons)]::season_stats).pts > 15 THEN 'good'
           WHEN (seasons[CARDINALITY(seasons)]::season_stats).pts > 10 THEN 'average'
           ELSE 'bad'
       END::scorer_class AS scorer_class,
       w.season - (seasons[CARDINALITY(seasons)]::season_stats).season as years_since_last_active,
       w.season,
       (seasons[CARDINALITY(seasons)]::season_stats).season = season AS is_active
   FROM windowed w
   JOIN static s
       ON w.player_name = s.player_name;
   ```

   

   glopez-dev authored Nov 18, 2024
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