fix (day2): update scorer_class to scoring_class
#126
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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;
```
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In the lab video the column is named
scoring_class: