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      Modify the REFRESH TABLE METADATA command to specify selected columns which are deemed interesting in some form - either sorted/partitioned/clustered by and column metadata will be stored only for those columns. The proposed syntax is 

        REFRESH TABLE METADATA  [ COLUMNS (list of columns) / NONE ]  <table path>

      For example, REFRESH TABLE METADATA COLUMNS (age, salary) `/tmp/employee` stores column metadata only for the age and salary columns. REFRESH TABLE METADATA COLUMNS NONE `/tmp/employee` will not store column metadata for any column. 

      By default, if the optional 'COLUMNS' clause is omitted, column metadata is collected for all the columns.  

       

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              • Assignee:
                vdonapati Venkata Jyothsna Donapati
                Reporter:
                vdonapati Venkata Jyothsna Donapati
                Reviewer:
                Arina Ielchiieva
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