Github user liancheng commented on a diff in the pull request: https://github.com/apache/spark/pull/6796#discussion_r33420649 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/parquet/CatalystSchemaConverter.scala --- @@ -404,9 +401,10 @@ private[parquet] class CatalystSchemaConverter( .scale(scale) .named(field.name) - // Uses INT64 for 1 <= precision <= 18 + // Uses INT64 for 8 byte encodings / precision <= 18 case DecimalType.Fixed(precision, scale) - if precision <= maxPrecisionForBytes(8) && followParquetFormatSpec => + if followParquetFormatSpec && maxPrecisionForBytes(7) < precision && + precision <= maxPrecisionForBytes(8) => --- End diff -- Same question as above...
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