- Cannot safely cast 'player_id': string to int - Cannot safely cast 'device_id': string to int - Cannot safely cast 'event_date': string to date - Cannot safely cast 'games_played': string to ...

修改spark的执行策略

set spark.sql.storeAssignmentPolicy=LEGACY

如果想长期生效,就将这个参数添加到spark-defaults.conf文件中即可,

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