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Sergey Shelukhin commented on HIVE-15670: ----------------------------------------- Beats me... the current implementation is as such. > column_stats_accurate may not fit in PARTITION_PARAMS.VALUE > ----------------------------------------------------------- > > Key: HIVE-15670 > URL: https://issues.apache.org/jira/browse/HIVE-15670 > Project: Hive > Issue Type: Bug > Reporter: Sergey Shelukhin > > The JSON can be too big with many columns (see setColumnStatsState method). > We can make JSON more compact by only storing the list of columns with true > values. Or we can even store a bitmask in a dedicated column, and adjust it > when altering table (rare enough). Or we can just change the VALUE column to > text blob (might be a painful change wrt upgrade scripts, and supporting all > the DBs' varied blob implementations, esp. in directsql). > Storing denormalized flags in a separate table will probably be slow, > comparatively. -- This message was sent by Atlassian JIRA (v6.4.14#64029)