(cols-eq-pred col-idxs)Takes a collection of column indices and returns a predicate for fast equality check of rows on this columns.
Takes a collection of column indices and returns a predicate for fast equality check of rows on this columns.
(cols-hash col-idxs)Takes a collection of column indices and returns a predicate for fast equality check of rows on this columns.
Takes a collection of column indices and returns a predicate for fast equality check of rows on this columns.
(cols-runs col-idxs)(empty-key? k)(field row i charset)(key-hash bb os runs)(named-cols-runs s col-names)(read-headers scanner)(scan-key s cols)(scanner in)(select-column scanner col-name)(single-col-key-str k)Returns the String value of a single-column key.
Returns the String value of a single-column key.
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