(arrow) branch main updated: GH-46178: [R] source_node alignment warning (#50120)

[thisisnic]

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The following commit(s) were added to refs/heads/main by this push:
     new 222bfb712e GH-46178: [R] source_node alignment warning (#50120)
222bfb712e is described below

commit 222bfb712efc986c4c79e794273f73b8f7e61386
Author: Nic Crane <thisis...@gmail.com>
AuthorDate: Mon Jun 8 15:23:50 2026 +0200

    GH-46178: [R] source_node alignment warning (#50120)
    
    ### Rationale for this change
    
    There was a warning about unaligned nodes
    
    ### What changes are included in this PR?
    
    Make them get aligned
    
    ### Are these changes tested?
    
    Nah, but we should see a lack of warning on CI
    
    ### Are there any user-facing changes?
    
    Nope
    * GitHub Issue: #46178
    
    Authored-by: Nic Crane <thisis...@gmail.com>
    Signed-off-by: Nic Crane <thisis...@gmail.com>
---
 r/src/compute-exec.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/r/src/compute-exec.cpp b/r/src/compute-exec.cpp
index 9912210a14..c1447bfe74 100644
--- a/r/src/compute-exec.cpp
+++ b/r/src/compute-exec.cpp
@@ -48,8 +48,10 @@ std::shared_ptr<acero::ExecPlan> ExecPlan_create(bool 
use_threads) {
   // TODO(weston) using gc_context() in this way is deprecated.  Once ordering 
has
   // been added we can probably entirely remove all reference to ExecPlan from 
R
   // in favor of DeclarationToXyz
-  auto plan =
-      ValueOrStop(acero::ExecPlan::Make(use_threads ? &threaded_context : 
gc_context()));
+  acero::QueryOptions query_options;
+  query_options.unaligned_buffer_handling = 
acero::UnalignedBufferHandling::kReallocate;
+  auto plan = ValueOrStop(acero::ExecPlan::Make(
+      std::move(query_options), use_threads ? &threaded_context : 
gc_context()));
 
   return plan;
 }