-Re: Review Request 20399: Invalid column access info for partitioned table
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Patch looks good. But looks like there are few changes which may not be essential for the patch.
Its not clear whats the difference between neededColumns & referencedColumns. If not, can we just use neededColumns? If there is any, it would be good to add a comment, why neededColumns is not sufficient here.
Operator should not contain any compile time info, only runtime info. Compile time info belongs to Desc classes. So, move this field to TableScanDesc class.
In line with above comment, this should then be scanOp.getConf().setReferencedColumns()
Its not clear how this referredColumns are used. Its populated, but seems like no one is making use of it.
- Ashutosh Chauhan
On May 7, 2014, 4:06 a.m., Navis Ryu wrote: