[jira] [Created] (HIVE-26401) Refine the log of add_partitions if the partition already exists

["Wechar (Jira)" <ji...@apache.org>]

Wechar created HIVE-26401:
-----------------------------

             Summary: Refine the log of add_partitions if the partition already exists
                 Key: HIVE-26401
                 URL: https://issues.apache.org/jira/browse/HIVE-26401
             Project: Hive
          Issue Type: Improvement
          Components: Hive
    Affects Versions: 4.0.0-alpha-1
            Reporter: Wechar
            Assignee: Wechar
             Fix For: 4.0.0-alpha-2


Currently {{*add_partitions_xxx*}} will log the complete information of a partition if it already exists, see in [HMSHandler.java#L4320|https://github.com/apache/hive/blob/e3751ab545370f9b252d0b4a07bc315037541a95/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java#L4320]:
{code:java}
    if (!shouldAdd) {
      LOG.info("Not adding partition {} as it already exists", part);
      return false;
    }
{code}
It will print a long message including the columns of this partition, we think it is unnecessary based on the following two points:
{color:red}1. The long message is redundant.{color}
We can get enough information from just *cat_name.db_name.tbl_name[part_col1=part_val1/part_col2=part_val2...]*

{color:red}2. The long message is not friendly to save and query.{color}
This log message will take up a large log space especially when the user need to execute *MSCK REPAIR TABLE* operation regularly because the old partition must be already existed. 



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