pitrou commented on a change in pull request #7898:
URL: https://github.com/apache/arrow/pull/7898#discussion_r470001711
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File path: cpp/src/arrow/array/builder_dict.h
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@@ -105,18 +105,46 @@ class DictionaryBuilderBase : public ArrayBuilder {
// WARNING: the type given below is the value type, not the DictionaryType.
// The DictionaryType is instantiated on the Finish() call.
- template <typename T1 = T>
- DictionaryBuilderBase(enable_if_t<!std::is_base_of<FixedSizeBinaryType,
T1>::value,
+ template <typename B = BuilderType, typename T1 = T>
+ DictionaryBuilderBase(uint8_t start_int_size,
+ enable_if_t<std::is_base_of<AdaptiveIntBuilderBase,
B>::value &&
+ !is_fixed_size_binary_type<T1>::value,
const std::shared_ptr<DataType>&>
value_type,
MemoryPool* pool = default_memory_pool())
+ : ArrayBuilder(pool),
+ memo_table_(new internal::DictionaryMemoTable(pool, value_type)),
+ delta_offset_(0),
+ byte_width_(-1),
+ indices_builder_(start_int_size, pool),
+ value_type_(value_type) {}
+
+ template <typename T1 = T>
+ DictionaryBuilderBase(
Review comment:
Ah, I see, sorry.
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