Method Init

cpp/src/arrow/compute/exec.cc:714–723

class KernelExecutorImpl : public KernelExecutor {
 public:
  Status Init(KernelContext* kernel_ctx, KernelInitArgs args) override {
    kernel_ctx_ = kernel_ctx;
    kernel_ = static_cast<const KernelType*>(args.kernel);

    // Resolve the output type for this kernel
    ARROW_ASSIGN_OR_RAISE(
        output_type_, kernel_->signature->out_type().Resolve(kernel_ctx_, args.inputs));

    return Status::OK();
  }

 protected:
  // Prepare an output ArrayData to be written to. If