[SYSTEMDS-3652] Adding support for removing duplicate rows to the unique() builtin function #1949
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…que() builtin function This patch adds support for removing duplicate rows to the unique() builtin function. Currently, only CP is supported- support for SPARK will be added in a subsequent patch. Furthermore, we we will explore possible optimizations of the naive implementation using bitmaps in a subsequent patch.
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This patch adds support for removing duplicate rows to the unique() builtin function. Currently, only CP is supported- support for SPARK will be added in a subsequent patch. Furthermore, we we will explore possible optimizations of the naive implementation using bitmaps in a subsequent patch.