TODO: Some of these things need to move into hadoop-util.
TODO: Some of these things need to move into hadoop-util.
Namespace implementing stats processing for the Cascading planner.
Namespace implementing stats processing for the Cascading planner.
The In-Memory platform enables Cascalog to query data without the need for Hadoop. Instead, the data is manipulated entirely in-memory using just Clojure.
First, Cascalog converts the generators into tuples (which are just a sequence of maps). Cascalog then maps, filters, and aggregates the tuples. Finally, it uses sinks to output the resulting tuples.
The In-Memory platform enables Cascalog to query data without the need for Hadoop. Instead, the data is manipulated entirely in-memory using just Clojure. First, Cascalog converts the generators into tuples (which are just a sequence of maps). Cascalog then maps, filters, and aggregates the tuples. Finally, it uses sinks to output the resulting tuples.
No vars found in this namespace.
Tuples encapsulate the data that Cascalog queries. An individual tuple contains a field name and a value. It is represented as a map. So tuples are just a sequence of maps, and an example is: [{'?num' 1} {'?num' 2}].
Tuples encapsulate the data that Cascalog queries. An individual tuple contains a field name and a value. It is represented as a map. So tuples are just a sequence of maps, and an example is: [{'?num' 1} {'?num' 2}].
This namespace contains the tools required to define custom Cascalog operations, instantiated with appropriate metadata.
This namespace contains the tools required to define custom Cascalog operations, instantiated with appropriate metadata.
The execution platform class.
The execution platform class.
This namespace contains functions that help to define predicate macro instances, and compile predicate macro instances out into sequences of RawPredicate instances.
This namespace contains functions that help to define predicate macro instances, and compile predicate macro instances out into sequences of RawPredicate instances.
This namespace deals with all Cascalog variable transformations.
This namespace deals with all Cascalog variable transformations.
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