#include <Codec.h>

Inheritance diagram for FixedWidthSmallDate:

Collaboration diagram for FixedWidthSmallDate:

Public Member Functions
	FixedWidthSmallDate (const size_t byte_width)

llvm::Instruction *	codegenDecode (llvm::Value byte_stream, llvm::Value pos, llvm::Module *module) const override

Public Member Functions inherited from Decoder
virtual	~Decoder ()

Private Attributes
const size_t	byte_width_

const int32_t	null_val_

Static Private Attributes
static constexpr int64_t	ret_null_val_ = NULL_BIGINT

Detailed Description

Definition at line 79 of file Codec.h.

Constructor & Destructor Documentation

◆ FixedWidthSmallDate()

FixedWidthSmallDate::FixedWidthSmallDate ( const size_t byte_width )

Definition at line 86 of file Codec.cpp.

References NULL_INT, NULL_SMALLINT, and null_val_.

87 : byte_width_{byte_width}, null_val_{byte_width == 4 ? NULL_INT : NULL_SMALLINT} {}

FixedWidthSmallDate::null_val_

const int32_t null_val_

Definition: Codec.h:88

NULL_INT

#define NULL_INT

Definition: sqltypes.h:183

NULL_SMALLINT

#define NULL_SMALLINT

Definition: sqltypes.h:182

FixedWidthSmallDate::byte_width_

const size_t byte_width_

Definition: Codec.h:87

Member Function Documentation

◆ codegenDecode()

llvm::Instruction * FixedWidthSmallDate::codegenDecode	(	llvm::Value *	byte_stream,
		llvm::Value *	pos,
		llvm::Module *	module
	)		const

overridevirtual

Implements Decoder.

Definition at line 89 of file Codec.cpp.

References run_benchmark_import::args, byte_width_, CHECK, getGlobalLLVMContext(), null_val_, and ret_null_val_.

                                                                                 {
   auto& context = getGlobalLLVMContext();
   auto f = module->getFunction("fixed_width_small_date_decode");
   CHECK(f);
   llvm::Value* args[] = {
       byte_stream,
       llvm::ConstantInt::get(llvm::Type::getInt32Ty(context), byte_width_),
       llvm::ConstantInt::get(llvm::Type::getInt32Ty(context), null_val_),
       llvm::ConstantInt::get(llvm::Type::getInt64Ty(context), ret_null_val_),
       pos};
   return llvm::CallInst::Create(f, args);
 }

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Member Data Documentation

◆ byte_width_

const size_t FixedWidthSmallDate::byte_width_

private

Definition at line 87 of file Codec.h.

Referenced by codegenDecode().

◆ null_val_

const int32_t FixedWidthSmallDate::null_val_

private

Definition at line 88 of file Codec.h.

Referenced by codegenDecode(), and FixedWidthSmallDate().

◆ ret_null_val_

constexpr int64_t FixedWidthSmallDate::ret_null_val_ = NULL_BIGINT

staticprivate

Definition at line 89 of file Codec.h.