Xuefu Zhang created HIVE-4921:
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Summary: Upgrade COMMENT column size in table COLUMNS_V2 and
TYPE_FIELDS from 256 to 4000
Key: HIVE-4921
URL: https://issues.apache.org/jira/browse/HIVE-4921
Project: Hive
Issue Type: Bug
Components: Metastore
Affects Versions: 0.11.0, 0.10.0
Reporter: Xuefu Zhang
Assignee: Xuefu Zhang
There are three tables in Hive metastore schema having COMMENT COLUMN:
PARTITIION_KEYS, COLUMNS_V2, and TYPE_FIELDS, and their sizes are different.
PARTITIION_KEYS.COMMENT has a size of 4000. To be consistent, and to make it
more reasonable, we need to promote the column in other two tables from the
current size (256) to 4000.
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