Research: `ColumnDataHolder`/primitive arrays#712

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Research: `ColumnDataHolder`/primitive arrays#712

Research: `ColumnDataHolder`/primitive arrays#712
Jolanrensen wants to merge 19 commits intomasterfrom
column-data-holder

Commits on Aug 13, 2024

introduced ColumnDataHolder to replace the List in DataColumnImpl. This interface can define how the data of columns is stored. ColumnDataHolderImpl was created as default implementation and it def…

refactoring

small API change

small API change

testing speed

Commits on Aug 14, 2024

speed testing

ColumnDataHolder now implements List and supports nullable primitives; to be stored efficiently

Commits on Aug 15, 2024

testing with boolean array instead of ints, reported results

Commits on Aug 16, 2024

WIP making ColumnDataHolder mutable, so it can work as DataCollector. Using fastutils classes for this.

Commits on Aug 21, 2024

ColumnDataCollector now uses ColumnDataHolder for collecting data directly into primitive arrays

Commits on Aug 23, 2024

experimenting with BigLists

Commits on Sep 3, 2024

adding primitive overloads for PrimitiveArrayList

Commits on Sep 4, 2024

adding primitive overloads for DataCollector and ColumnDataHolder. Added set-overloads with tests to CDH too

testing with deephaven csv

allowing skipping parsers

improving write method

Commits on Sep 16, 2024

improving PrimitiveArrayList

improving deephaven array copying when writing

Commits on Sep 17, 2024

added benchmarking for deephaven csv

Research: `ColumnDataHolder`/primitive arrays#712Jolanrensen wants to merge 19 commits intomasterKotlin/dataframe:masterfrom column-data-holderKotlin/dataframe:column-data-holderCopy head branch name to clipboard

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Commits on Aug 13, 2024

Commits on Aug 14, 2024

Commits on Aug 15, 2024

Commits on Aug 16, 2024

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Commits on Sep 3, 2024

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Commits on Sep 17, 2024

Research: `ColumnDataHolder`/primitive arrays#712
Jolanrensen wants to merge 19 commits intomasterfrom
column-data-holder