anonymous_namespace{WindowFunctionIR.cpp} Namespace Reference

Functions
std::string	get_window_agg_name (const SqlWindowFunctionKind kind, const SQLTypeInfo &window_func_ti)
SQLTypeInfo	get_adjusted_window_type_info (const Analyzer::WindowFunction *window_func)
std::string	get_col_type_name_by_size (const size_t size, const bool is_fp)
llvm::Value *	get_null_value_by_size (CgenState *cgen_state, SQLTypeInfo col_ti)
llvm::Value *	get_null_value_by_size_with_encoding (CgenState *cgen_state, SQLTypeInfo col_ti)

Function Documentation

SQLTypeInfo anonymous_namespace{WindowFunctionIR.cpp}::get_adjusted_window_type_info

(

const Analyzer::WindowFunction *

window_func

)

Definition at line 132 of file WindowFunctionIR.cpp.

References run_benchmark_import::args, AVG, COUNT, Analyzer::Expr::get_type_info(), Analyzer::WindowFunction::getArgs(), and Analyzer::WindowFunction::getKind().

Referenced by Executor::aggregateWindowStatePtr(), Executor::codegenAggregateWindowState(), Executor::codegenWindowAvgEpilogue(), Executor::codegenWindowFunctionAggregateCalls(), and Executor::codegenWindowFunctionStateInit().

                                                                                     {
  const auto& args = window_func->getArgs();
  return ((window_func->getKind() == SqlWindowFunctionKind::COUNT && !args.empty()) ||
          window_func->getKind() == SqlWindowFunctionKind::AVG)
             ? args.front()->get_type_info()
             : window_func->get_type_info();
}

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std::string anonymous_namespace{WindowFunctionIR.cpp}::get_col_type_name_by_size	(	const size_t	size,
		const bool	is_fp
	)

Definition at line 140 of file WindowFunctionIR.cpp.

Referenced by Executor::codegenLoadOrderKeyBufPtr(), Executor::codegenWindowFunctionAggregateCalls(), Executor::codegenWindowNavigationFunctionOnFrame(), and Executor::getOrderKeyTypeName().

                                                                         {
  if (is_fp) {
    if (size == 4) {
      return "float";
    }
    return "double";
  }
  if (size == 1) {
    return "int8_t";
  } else if (size == 2) {
    return "int16_t";
  } else if (size == 4) {
    return "int32_t";
  }
  return "int64_t";
}

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llvm::Value* anonymous_namespace{WindowFunctionIR.cpp}::get_null_value_by_size	(	CgenState *	cgen_state,
		SQLTypeInfo	col_ti
	)

Definition at line 157 of file WindowFunctionIR.cpp.

References CHECK_EQ, SQLTypeInfo::get_comp_param(), SQLTypeInfo::get_compression(), SQLTypeInfo::get_size(), SQLTypeInfo::get_type(), inline_fixed_encoding_null_val(), inline_fp_null_value< double >(), inline_fp_null_value< float >(), inline_int_null_val(), SQLTypeInfo::is_date(), SQLTypeInfo::is_dict_encoded_string(), SQLTypeInfo::is_fp(), kBIGINT, kBOOLEAN, kDECIMAL, kENCODING_FIXED, kFLOAT, kINT, kINTERVAL_DAY_TIME, kINTERVAL_YEAR_MONTH, kNUMERIC, kSMALLINT, kTIME, kTIMESTAMP, kTINYINT, CgenState::llFp(), and CgenState::llInt().

Referenced by Executor::codegenWindowFunctionAggregateCalls(), and Executor::codegenWindowNavigationFunctionOnFrame().

                                                                             {
  if (col_ti.is_fp()) {
    if (col_ti.get_type() == kFLOAT) {
      return cgen_state->llFp(inline_fp_null_value<float>());
    } else {
      return cgen_state->llFp(inline_fp_null_value<double>());
    }
  } else if (col_ti.is_dict_encoded_string()) {
    if (col_ti.get_size() == 2) {
      return cgen_state->llInt((int16_t)inline_int_null_value<int16_t>());
    } else {
      CHECK_EQ(col_ti.get_size(), 4);
      return cgen_state->llInt((int32_t)inline_int_null_value<int32_t>());
    }
  } else if (col_ti.is_date()) {
    if (col_ti.get_comp_param() == 16) {
      return cgen_state->llInt((int16_t)inline_int_null_value<int16_t>());
    } else if (col_ti.get_comp_param() == 32) {
      return cgen_state->llInt((int32_t)inline_int_null_value<int32_t>());
    } else {
      return cgen_state->llInt((int64_t)inline_int_null_value<int64_t>());
    }
  } else {
    switch (col_ti.get_type()) {
      case kBOOLEAN:
      case kTINYINT:
        return cgen_state->llInt((int8_t)inline_int_null_value<int8_t>());
      case kSMALLINT:
        if (col_ti.get_compression() == kENCODING_FIXED) {
          return cgen_state->llInt((int16_t)(inline_fixed_encoding_null_val(col_ti)));
        }
        return cgen_state->llInt((int16_t)inline_int_null_value<int16_t>());
      case kINT:
        if (col_ti.get_compression() == kENCODING_FIXED) {
          return cgen_state->llInt((int32_t)(inline_fixed_encoding_null_val(col_ti)));
        }
        return cgen_state->llInt((int32_t)inline_int_null_value<int32_t>());
      case kTIME:
      case kTIMESTAMP:
        if (col_ti.get_compression() == kENCODING_FIXED) {
          return cgen_state->llInt((int64_t)(inline_fixed_encoding_null_val(col_ti)));
        }
      case kBIGINT:
        if (col_ti.get_compression() == kENCODING_FIXED) {
          return cgen_state->llInt((int64_t)(inline_fixed_encoding_null_val(col_ti)));
        }
        return cgen_state->llInt((int64_t)inline_int_null_value<int64_t>());
      case kINTERVAL_DAY_TIME:
      case kINTERVAL_YEAR_MONTH:
      case kDECIMAL:
      case kNUMERIC:
        return cgen_state->llInt((int64_t)inline_int_null_value<int64_t>());
      default:
        abort();
    }
    return cgen_state->llInt(inline_int_null_val(col_ti));
  }
}

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llvm::Value* anonymous_namespace{WindowFunctionIR.cpp}::get_null_value_by_size_with_encoding	(	CgenState *	cgen_state,
		SQLTypeInfo	col_ti
	)

Definition at line 216 of file WindowFunctionIR.cpp.

References CgenState::castToTypeIn(), SQLTypeInfo::get_compression(), SQLTypeInfo::get_logical_size(), SQLTypeInfo::get_type(), inline_fixed_encoding_null_val(), inline_fp_null_value< double >(), inline_fp_null_value< float >(), inline_int_null_val(), SQLTypeInfo::is_fp(), kENCODING_DATE_IN_DAYS, kENCODING_FIXED, kFLOAT, CgenState::llFp(), and CgenState::llInt().

Referenced by Executor::codegenWindowNavigationFunctionOnFrame().

                                                                      {
  if (col_ti.is_fp()) {
    if (col_ti.get_type() == kFLOAT) {
      return cgen_state->llFp(inline_fp_null_value<float>());
    } else {
      return cgen_state->llFp(inline_fp_null_value<double>());
    }
  } else {
    llvm::Value* ret_val{nullptr};
    if (col_ti.get_compression() == kENCODING_FIXED ||
        col_ti.get_compression() == kENCODING_DATE_IN_DAYS) {
      ret_val = cgen_state->llInt(inline_fixed_encoding_null_val(col_ti));
    } else {
      ret_val = cgen_state->llInt(inline_int_null_val(col_ti));
    }
    size_t ret_val_col_size_in_bytes = col_ti.get_logical_size() * 8;
    if (ret_val->getType()->getIntegerBitWidth() > ret_val_col_size_in_bytes) {
      return cgen_state->castToTypeIn(ret_val, ret_val_col_size_in_bytes);
    }
    return ret_val;
  }
}

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std::string anonymous_namespace{WindowFunctionIR.cpp}::get_window_agg_name	(	const SqlWindowFunctionKind	kind,
		const SQLTypeInfo &	window_func_ti
	)

Definition at line 82 of file WindowFunctionIR.cpp.

References AVG, CONDITIONAL_CHANGE_EVENT, COUNT, COUNT_IF, logger::FATAL, SQLTypeInfo::get_type(), kDOUBLE, kFLOAT, LOG, MAX, MIN, SUM, and SUM_IF.

Referenced by Executor::codegenWindowFunctionAggregateCalls().

                                                                   {
  std::string agg_name;
  switch (kind) {
    case SqlWindowFunctionKind::MIN: {
      agg_name = "agg_min";
      break;
    }
    case SqlWindowFunctionKind::MAX: {
      agg_name = "agg_max";
      break;
    }
    case SqlWindowFunctionKind::AVG:
    case SqlWindowFunctionKind::SUM:
    case SqlWindowFunctionKind::CONDITIONAL_CHANGE_EVENT: {
      agg_name = "agg_sum";
      break;
    }
    case SqlWindowFunctionKind::COUNT: {
      agg_name = "agg_count";
      break;
    }
    case SqlWindowFunctionKind::COUNT_IF: {
      agg_name = "agg_count_if";
      break;
    }
    case SqlWindowFunctionKind::SUM_IF: {
      agg_name = "agg_sum_if";
      break;
    }
    default: {
      LOG(FATAL) << "Invalid window function kind";
    }
  }
  switch (window_func_ti.get_type()) {
    case kFLOAT: {
      agg_name += "_float";
      break;
    }
    case kDOUBLE: {
      agg_name += "_double";
      break;
    }
    default: {
      break;
    }
  }
  return agg_name;
}

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