Add ReserveData(int64_t) and value_data_capacity() for methods for Bi…

…naryBuilder
apache · Jan 16, 2018 · e0434e6 · e0434e6
1 parent 5ebfb32
commit e0434e6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cpp/src/arrow/builder.h b/cpp/src/arrow/builder.h
@@ -682,10 +682,13 @@ class ARROW_EXPORT BinaryBuilder : public ArrayBuilder {
 
  Status Init(int64_t elements) override;
  Status Resize(int64_t capacity) override;
+ Status ReserveData(int64_t bytes) override;
  Status FinishInternal(std::shared_ptr<ArrayData>* out) override;
 
  /// \return size of values buffer so far
  int64_t value_data_length() const { return value_data_builder_.length(); }
+ /// \return capacity of values buffer
+ int64_t value_data_capacity() const { return value_data_builder_.capacity(); }
 
  /// Temporary access to a value.
  ///