FixedWidthSmallDate Class Reference

#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

(

const size_t

byte_width

)

Definition at line 86 of file Codec.cpp.

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

Member Function Documentation

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);
}

Here is the call graph for this function:

Member Data Documentation

const size_t FixedWidthSmallDate::byte_width_

private

Definition at line 87 of file Codec.h.

Referenced by codegenDecode().

const int32_t FixedWidthSmallDate::null_val_

private

Definition at line 88 of file Codec.h.

Referenced by codegenDecode().

constexpr int64_t FixedWidthSmallDate::ret_null_val_ = NULL_BIGINT

staticprivate

Definition at line 89 of file Codec.h.

Referenced by codegenDecode().

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The documentation for this class was generated from the following files:

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Codec.h
• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Codec.cpp