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GH-899: [Dataset] Initialize compute module #893

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Merged
merged 2 commits into from
Oct 29, 2025
+13 −1
Merged

GH-899: [Dataset] Initialize compute module #893

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676a938
WIP: [Dataset] Initialize compute module
lidavidm Oct 24, 2025
635c82e
fix docs
lidavidm Oct 24, 2025
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8 changes: 8 additions & 0 deletions dataset/src/main/cpp/jni_wrapper.cc
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Expand Up @@ -23,6 +23,7 @@
#include "arrow/array/concatenate.h"
#include "arrow/c/bridge.h"
#include "arrow/c/helpers.h"
#include "arrow/compute/initialize.h"
#include "arrow/dataset/api.h"
#include "arrow/dataset/file_base.h"
#ifdef ARROW_CSV
Expand Down Expand Up @@ -807,6 +808,13 @@ JNIEXPORT void JNICALL Java_org_apache_arrow_dataset_jni_JniWrapper_ensureS3Fina
JNI_METHOD_END()
}

JNIEXPORT void JNICALL Java_org_apache_arrow_dataset_jni_JniWrapper_initialize(
JNIEnv* env, jobject) {
JNI_METHOD_START
JniAssertOkOrThrow(arrow::compute::Initialize());
JNI_METHOD_END()
}

/*
* Class: org_apache_arrow_dataset_file_JniWrapper
* Method: makeFileSystemDatasetFactory
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1 change: 1 addition & 0 deletions dataset/src/main/java/org/apache/arrow/dataset/jni/JniLoader.java
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Expand Up @@ -56,6 +56,7 @@ public void ensureLoaded() {
}
loadRemaining();
ensureS3FinalizedOnShutdown();
JniWrapper.get().initialize();
}

private synchronized void loadRemaining() {
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3 changes: 3 additions & 0 deletions dataset/src/main/java/org/apache/arrow/dataset/jni/JniWrapper.java
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Expand Up @@ -124,4 +124,7 @@ public native long createScanner(
* uninitialized, then this is a noop.
*/
public native void ensureS3Finalized();

/** Initialize Arrow Compute. */
public native void initialize();
}
2 changes: 1 addition & 1 deletion docs/source/substrait.rst
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Expand Up @@ -19,7 +19,7 @@
Substrait
=========

The ``arrow-dataset`` module can execute Substrait_ plans via the :external+arrow:doc:`Acero <cpp/streaming_execution>`
The ``arrow-dataset`` module can execute Substrait_ plans via the :external+arrow:doc:`Acero <cpp/acero>`
query engine.

Executing Queries Using Substrait Plans
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