Vihang Karajgaonkar created HIVE-14085: ------------------------------------------
Summary: Allow type widening primitive conversion on hive/parquet tables Key: HIVE-14085 URL: https://issues.apache.org/jira/browse/HIVE-14085 Project: Hive Issue Type: Improvement Components: File Formats Affects Versions: 2.1.0 Reporter: Vihang Karajgaonkar Assignee: Vihang Karajgaonkar There is a JIRA ticket on upstream that brought this usability improvement in Hive to support auto type widening for Parquet tables. See https://issues.apache.org/jira/browse/HIVE-12080 This improvement is very useful for users who have schema evolution on their tables. For example, a Hive table with a "bigint" can read parquet files with "int32" and "int64" types. The patch only supports widening conversions from int->bigint and float->double. We should support more types to allow users read their changed parquet schema. Here's a list of widening conversions we should support: {code} tinyint -> smallint,int,bigint,float,double smallint -> int,bigint,float,double int -> bigint,float,double bigint -> float,double float -> double double -> -- {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)