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Author SHA1 Message Date
Nils Dijk 5fc7f61936 Projection pushdown (#11) 
DESCRIPTION: add pushdown support for projections and quals in table access method scan

This implementation uses custom scans to push projections into the scans on a columnar table. The custom scan replaces all access paths to a table to force the projection of the columns.
 2020-10-13 13:36:02 +02:00