ARROW-17869: [Java][Gandiva] Implement Reserve for JavaBuffer

.github/workflows/cpp.yml

@@ -182,10 +182,9 @@ jobs:
           key: cpp-ccache-macos-${{ hashFiles('cpp/**') }}
           restore-keys: cpp-ccache-macos-
       - name: Build
-        # use brew version of clang, to be consistent with LLVM lib, see ARROW-17790.
+        # pin LLVM version on MacOS to 14 ARROW-17902
         run: |
-          export CC=$(brew --prefix llvm)/bin/clang
-          export CXX=$(brew --prefix llvm)/bin/clang++
+          export LLVM_ROOT=$(brew --prefix llvm@14)
           ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
       - name: Test
         shell: bash

.github/workflows/python.yml

@@ -167,10 +167,9 @@ jobs:
             -r python/requirements-test.txt
       - name: Build
         shell: bash
-        # use brew version of clang, to be consistent with LLVM lib, see ARROW-17790.
+        # pin LLVM version on MacOS to 14 ARROW-17902
         run: |
-          export CC=$(brew --prefix llvm)/bin/clang
-          export CXX=$(brew --prefix llvm)/bin/clang++
+          export LLVM_ROOT=$(brew --prefix llvm@14)
           export PYTHON=python3
           ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
           ci/scripts/python_build.sh $(pwd) $(pwd)/build

.github/workflows/ruby.yml

@@ -169,10 +169,9 @@ jobs:
           key: ruby-ccache-macos-${{ hashFiles('cpp/**') }}
           restore-keys: ruby-ccache-macos-
       - name: Build C++
-        # use brew version of clang, to be consistent with LLVM lib, see ARROW-17790.
+        # pin LLVM version on MacOS to 14 ARROW-17902
         run: |
-          export CC=$(brew --prefix llvm)/bin/clang
-          export CXX=$(brew --prefix llvm)/bin/clang++
+          export LLVM_ROOT=$(brew --prefix llvm@14)
           ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
       - name: Build GLib
         run: |

cpp/Brewfile

@@ -28,7 +28,8 @@ brew "git"
 brew "glog"
 brew "googletest"
 brew "grpc"
-brew "llvm"
+# pin LLVM version on MacOS to 14 ARROW-17902
+brew "llvm@14"
 brew "llvm@12"
 brew "lz4"
 brew "ninja"

cpp/src/gandiva/gdv_function_stubs.cc

@@ -134,9 +134,9 @@ int32_t gdv_fn_populate_varlen_vector(int64_t context_ptr, int8_t* data_ptr,
   if (buffer->capacity() < new_size) {
     auto status =
         buffer->Reserve(std::max(buffer->capacity() * 2, static_cast<int64_t>(new_size)));
-    if (!status.ok()) {
+    // ARROW-17869 Java's buffer type doesn't support reserve
+    if (!status.ok() && !status.IsNotImplemented()) {
       auto context = reinterpret_cast<gandiva::ExecutionContext*>(context_ptr);
-
       context->set_error_msg(status.message().c_str());
       return -1;
     }

dev/tasks/java-jars/github.yml

@@ -69,7 +69,9 @@ jobs:
         run: |
           arrow/ci/scripts/ccache_setup.sh
       - name: Build C++ libraries
+        # pin LLVM version on MacOS to 14 ARROW-17902
         run: |
+          export LLVM_ROOT=$(brew --prefix llvm@14)
           set -e
           arrow/ci/scripts/java_jni_macos_build.sh \
             $GITHUB_WORKSPACE/arrow \

dev/tasks/verify-rc/github.macos.amd64.yml

@@ -70,7 +70,7 @@ jobs:
         {% if use_conda %}
           USE_CONDA: 1
         {% endif %}
+        # pin LLVM version on MacOS to 14 ARROW-17902
         run: |
-          export CC=$(brew --prefix llvm)/bin/clang
-          export CXX=$(brew --prefix llvm)/bin/clang++
+          export LLVM_ROOT=$(brew --prefix llvm@14)
           arrow/dev/release/verify-release-candidate.sh {{ release|default("") }} {{ rc|default("") }}