(arrow) branch main updated: GH-47243: [C++] Initialize arrow::compute in execution_plan_documentation_examples (#47227)

[raulcd]

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raulcd pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
     new 2059243970 GH-47243: [C++] Initialize arrow::compute in 
execution_plan_documentation_examples (#47227)
2059243970 is described below

commit 205924397034f7bd4ecc06660a9adf0c37604ce8
Author: egolearner <45122959+egolear...@users.noreply.github.com>
AuthorDate: Wed Aug 27 16:13:02 2025 +0800

    GH-47243: [C++] Initialize arrow::compute in 
execution_plan_documentation_examples (#47227)
    
    ### Rationale for this change
    fix example running error
    ```
    
            ****** Scan Example ******
    
    Error occurred: No function registered with name: make_struct
    ```
    
    ### What changes are included in this PR?
    call arrow::compute::initialize ahead
    
    ### Are these changes tested?
    yes
    
    ### Are there any user-facing changes?
    no
    
    * GitHub Issue: #47243
    
    Lead-authored-by: egolearner <lijili...@outlook.com>
    Co-authored-by: egolearner <45122959+egolear...@users.noreply.github.com>
    Signed-off-by: Raúl Cumplido <raulcumpl...@gmail.com>
---
 cpp/examples/arrow/dataset_documentation_example.cc         |  3 +++
 cpp/examples/arrow/execution_plan_documentation_examples.cc | 13 ++++++-------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/cpp/examples/arrow/dataset_documentation_example.cc 
b/cpp/examples/arrow/dataset_documentation_example.cc
index c78f6d5984..3320918c62 100644
--- a/cpp/examples/arrow/dataset_documentation_example.cc
+++ b/cpp/examples/arrow/dataset_documentation_example.cc
@@ -19,6 +19,7 @@
 // intended to be paired with the documentation.
 
 #include <arrow/api.h>
+#include <arrow/compute/api.h>
 #include <arrow/compute/cast.h>
 #include <arrow/dataset/dataset.h>
 #include <arrow/dataset/discovery.h>
@@ -326,6 +327,8 @@ arrow::Result<std::shared_ptr<arrow::Table>> 
FilterPartitionedDataset(
 
 arrow::Status RunDatasetDocumentation(const std::string& format_name,
                                       const std::string& uri, const 
std::string& mode) {
+  ARROW_RETURN_NOT_OK(arrow::compute::Initialize());
+
   std::string base_path;
   std::shared_ptr<ds::FileFormat> format;
   std::string root_path;
diff --git a/cpp/examples/arrow/execution_plan_documentation_examples.cc 
b/cpp/examples/arrow/execution_plan_documentation_examples.cc
index b92f5801c1..a8d50b22e6 100644
--- a/cpp/examples/arrow/execution_plan_documentation_examples.cc
+++ b/cpp/examples/arrow/execution_plan_documentation_examples.cc
@@ -825,14 +825,13 @@ enum ExampleMode {
 };
 
 int main(int argc, char** argv) {
-  if (argc < 3) {
-    // Fake success for CI purposes.
-    return EXIT_SUCCESS;
+  int mode = argc > 1 ? std::atoi(argv[2]) : SOURCE_SINK;
+  std::string base_save_path = argc > 2 ? argv[2] : "";
+  arrow::Status status = arrow::compute::Initialize();
+  if (!status.ok()) {
+    std::cout << "Error occurred: " << status.message() << std::endl;
+    return EXIT_FAILURE;
   }
-
-  std::string base_save_path = argv[1];
-  int mode = std::atoi(argv[2]);
-  arrow::Status status;
   // ensure arrow::dataset node factories are in the registry
   arrow::dataset::internal::Initialize();
   switch (mode) {