Cleanup

cpp/src/arrow/type.cc

@@ -617,13 +617,13 @@ Result<std::shared_ptr<DataType>> MergeTypes(std::shared_ptr<DataType> promoted_
     }
 
     if (promoted_type->id() == Type::FIXED_SIZE_LIST &&
-        is_var_size_list(other_type->id())) {
+        is_var_length_list(other_type->id())) {
       promoted_type =
           list(checked_cast<const BaseListType&>(*promoted_type).value_field());
       promoted = other_type->Equals(*promoted_type);
     }
     if (other_type->id() == Type::FIXED_SIZE_LIST &&
-        is_var_size_list(promoted_type->id())) {
+        is_var_length_list(promoted_type->id())) {
       other_type = list(checked_cast<const BaseListType&>(*other_type).value_field());
       promoted = other_type->Equals(*promoted_type);
     }

cpp/src/arrow/type_traits.h

@@ -981,7 +981,6 @@ constexpr bool is_decimal(Type::type type_id) {
   return false;
 }
 
-
 /// \brief Check for a type that can be used as a run-end in Run-End Encoded
 /// arrays
 ///
@@ -1115,7 +1114,7 @@ constexpr bool is_binary(Type::type type_id) {
   return false;
 }
 
-static inline bool is_string(Type::type type_id) {
+constexpr bool is_string(Type::type type_id) {
   switch (type_id) {
     case Type::STRING:
     case Type::LARGE_STRING:
@@ -1126,21 +1125,6 @@ static inline bool is_string(Type::type type_id) {
   return false;
 }
 
-static inline bool is_var_size_list(Type::type type_id) {
-  switch (type_id) {
-    case Type::LIST:
-    case Type::LARGE_LIST:
-      return true;
-    default:
-      break;
-  }
-  return false;
-}
-
-static inline bool is_dictionary(Type::type type_id) {
-  return type_id == Type::DICTIONARY;
-}
-
 /// \brief Check for a string type
 ///
 /// \param[in] type_id the type-id to check
@@ -1229,7 +1213,6 @@ constexpr bool is_var_length_list(Type::type type_id) {
   switch (type_id) {
     case Type::LIST:
     case Type::LARGE_LIST:
-    case Type::MAP:
       return true;
     default:
       break;

python/pyarrow/table.pxi

@@ -5058,6 +5058,7 @@ def concat_tables(tables, c_bool promote=False, MemoryPool memory_pool=None,
     ----
     n_legs: [[2,4,5,100],[2,4]]
     animals: [["Flamingo","Horse","Brittle stars","Centipede"],["Parrot","Dog"]]
+
     """
     cdef:
         vector[shared_ptr[CTable]] c_tables

python/pyarrow/tests/test_schema.py

@@ -725,15 +725,13 @@ def test_schema_merge():
     result = pa.unify_schemas((a, b, c))
     assert result.equals(expected)
 
-<<<<<<< HEAD
     result = pa.unify_schemas(
         [b, d], options=pa.FieldMergeOptions.permissive())
     assert result.equals(d)
-=======
+
     # raise proper error when passing a non-Schema value
     with pytest.raises(TypeError):
         pa.unify_schemas([a, 1])
->>>>>>> a9f100c690ed8608142ec3d9af043b66a41543e0
 
 
 def test_undecodable_metadata():