Liang-Chi Hsieh created SPARK-26808: ---------------------------------------
Summary: Pruned schema should not change nullability Key: SPARK-26808 URL: https://issues.apache.org/jira/browse/SPARK-26808 Project: Spark Issue Type: Bug Components: SQL Affects Versions: 3.0.0 Reporter: Liang-Chi Hsieh We prune unnecessary nested fields from requested schema when reading Parquet. Now seems we don't keep original nullability in pruned schema. We should keep original nullability. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org