#include <base/datum.h>
|
| constexpr const char * | GetVarlenBytes () const |
| | Returns the variable-length value of a datum as an array of bytes. More...
|
| |
| constexpr uint32_t | GetVarlenSize () const |
| | Returns the length of the variable-length value of a datum. More...
|
| |
| constexpr absl::string_view | GetVarlenAsStringView () const |
| |
| constexpr Datum & | GetDatum () const |
| | Returns a reference to the underlying datum if this references one with a variable-length value. More...
|
| |
| Datum | DeepCopy (bool isbyref) const |
| | Returns a new Datum that is a deep copy of the underlying datum. More...
|
| |
| constexpr const char * | GetFixedlenBytes () const |
| | Return the pointer to the binary representation of a fixed-length datum that is passed by value. More...
|
| |
| constexpr bool | GetBool () const |
| | Returns boolean value of a datum. More...
|
| |
| constexpr char | GetChar () const |
| | Returns character value of a datum. More...
|
| |
| constexpr int8_t | GetInt8 () const |
| | Returns 8-bit integer value of a datum. More...
|
| |
| constexpr uint8_t | GetUInt8 () const |
| | Returns 8-bit unsigned integer value of a datum. More...
|
| |
| constexpr int16_t | GetInt16 () const |
| | Returns 16-bit integer value of a datum. More...
|
| |
| constexpr uint16_t | GetUInt16 () const |
| | Returns 16-bit unsigned integer value of a datum. More...
|
| |
| constexpr int32_t | GetInt32 () const |
| | Returns 32-bit integer value of a datum. More...
|
| |
| constexpr uint32_t | GetUInt32 () const |
| | Returns 32-bit unsigned integer value of a datum. More...
|
| |
| constexpr Oid | GetOid () const |
| | Returns object identifier value of a datum. More...
|
| |
| constexpr int64_t | GetInt64 () const |
| | Returns 64-bit integer value of a datum. More...
|
| |
| constexpr uint64_t | GetUInt64 () const |
| | Returns 64-bit unsigned integer value of a datum. More...
|
| |
| constexpr float | GetFloat () const |
| | Returns single-precision floating point value of a datum. More...
|
| |
| constexpr double | GetDouble () const |
| | Returns double-precision floating point value of a datum. More...
|
| |
| constexpr void * | GetPointer () const |
| | Returns pointer value of a datum. More...
|
| |
| template<class T > |
| constexpr T * | GetPointerAs () const |
| | Returns the pointer value of a datum as const T*. More...
|
| |
◆ DeepCopy()
template<class DatumImpl >
Returns a new Datum that is a deep copy of the underlying datum.
The argument isbyref whether the underlying datum has a value that is passed by reference or by value. Currently variable-length values (which includes all variable-length types and certain fixed-length types that are not 1,2,4,8 bytes long) are always passed by reference, while fixed-length values (which are 1,2,3,8 bytes long) are always passed by value.
It is the caller's responsibility to correctly determine whether the underlying datum is passed by reference or by value. Usually, that is determined by the SysTable_Type::typbyref() of the type of value.
◆ GetDatum()
template<class DatumImpl >
Returns a reference to the underlying datum if this references one with a variable-length value.
Not valid if it stores a fixed-length value, in which case the value instead of the Datum pointer is stored in the DatumRef/NullableDatumRef.
◆ GetVarlenAsStringView()
template<class DatumImpl >
◆ GetVarlenBytes()
template<class DatumImpl >
Returns the variable-length value of a datum as an array of bytes.
◆ GetVarlenSize()
template<class DatumImpl >
Returns the length of the variable-length value of a datum.
The documentation for this class was generated from the following file:
Public Member Functions inherited from taco::datum_impl::NonVarlenGetters< DatumImpl >