Apache Arrow (C++)
A columnar in-memory analytics layer designed to accelerate big data.
helpers.h
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17 
18 #ifndef PYARROW_HELPERS_H
19 #define PYARROW_HELPERS_H
20 
21 #include "arrow/python/platform.h"
22 
23 #include <memory>
24 #include <string>
25 #include <utility>
26 
27 #include "arrow/type.h"
28 #include "arrow/util/macros.h"
29 #include "arrow/util/visibility.h"
30 
31 namespace arrow {
32 
33 class Decimal128;
34 
35 namespace py {
36 
37 class OwnedRef;
38 
39 ARROW_EXPORT
40 std::shared_ptr<DataType> GetPrimitiveType(Type::type type);
41 
42 namespace internal {
43 
44 Status ImportModule(const std::string& module_name, OwnedRef* ref);
45 Status ImportFromModule(const OwnedRef& module, const std::string& module_name,
46  OwnedRef* ref);
47 
48 Status PythonDecimalToString(PyObject* python_decimal, std::string* out);
49 
50 Status InferDecimalPrecisionAndScale(PyObject* python_decimal,
51  int32_t* precision = NULLPTR,
52  int32_t* scale = NULLPTR);
53 
54 PyObject* DecimalFromString(PyObject* decimal_constructor,
55  const std::string& decimal_string);
56 Status DecimalFromPythonDecimal(PyObject* python_decimal, const DecimalType& arrow_type,
57  Decimal128* out);
58 bool IsPyInteger(PyObject* obj);
59 
60 } // namespace internal
61 } // namespace py
62 } // namespace arrow
63 
64 #endif // PYARROW_HELPERS_H
type
Definition: type.h:45
#define NULLPTR
Definition: macros.h:69
std::shared_ptr< DataType > GetPrimitiveType(Type::type type)
Top-level namespace for Apache Arrow C++ API.
Definition: adapter.h:32