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)

Function Documentation

SQLTypeInfo anonymous_namespace{WindowFunctionIR.cpp}::get_adjusted_window_type_info

(

const Analyzer::WindowFunction *

window_func

)

Definition at line 114 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_window_agg_name	(	const SqlWindowFunctionKind	kind,
		const SQLTypeInfo &	window_func_ti
	)

Definition at line 73 of file WindowFunctionIR.cpp.

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

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: {
      agg_name = "agg_sum";
      break;
    }
    case SqlWindowFunctionKind::COUNT: {
      agg_name = "agg_count";
      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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