Ruben Q L created CALCITE-4193:
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Summary: Implemente new sort operator: EnumerableExternalSort
Key: CALCITE-4193
URL: https://issues.apache.org/jira/browse/CALCITE-4193
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Ruben Q L
Sometimes we new to sort a big volume of data which does not fit into memory.
In this situation EnumerableSort will cause an OutOfMemoryError.
The solution for such a scenario will be using a different sorting algorithm:
[External Sort|https://en.wikipedia.org/wiki/External_sorting].
The goal of the current ticket is to implement a new operator
(EnumerableExternalSort) to provide this feature.
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