hard20 pts · first answer countssparkspark-partitioning

Branch code 007 read back as 7

Data is written under folders like branch_code=007/. When read back, the branch_code column shows 7 and joins to the branch master fail. What happened?

A.Parquet stores strings without leading zerosB.The writer trimmed zeros because of ANSI modeC.The join cast both sides to integerD.Spark inferred the partition column type as integer

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Branch code 007 read back as 7

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