ExtensionFunctionsBinding.h File Reference

Argument type based extension function binding. More...

#include "ExtensionFunctionsWhitelist.h"
#include "TableFunctions/TableFunctionsFactory.h"
#include "../Analyzer/Analyzer.h"
#include "../Shared/sqltypes.h"
#include <tuple>
#include <vector>

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Classes
class	ExtensionFunctionBindingError

Namespaces
	Analyzer

Functions
ExtensionFunction	bind_function (std::string name, Analyzer::ExpressionPtrVector func_args, const bool is_gpu)
ExtensionFunction	bind_function (std::string name, Analyzer::ExpressionPtrVector func_args)
ExtensionFunction	bind_function (const Analyzer::FunctionOper *function_oper, const bool is_gpu)
const std::tuple < table_functions::TableFunction, std::vector< SQLTypeInfo > >	bind_table_function (std::string name, Analyzer::ExpressionPtrVector input_args, const bool is_gpu)

Detailed Description

Argument type based extension function binding.

Definition in file ExtensionFunctionsBinding.h.

Function Documentation

ExtensionFunction bind_function	(	std::string	name,
		Analyzer::ExpressionPtrVector	func_args,
		const bool	is_gpu
	)

Definition at line 811 of file ExtensionFunctionsBinding.cpp.

References ExtensionFunctionsWhitelist::get_ext_funcs(), and setup::name.

                                                   {
  // used below
  std::vector<ExtensionFunction> ext_funcs =
      ExtensionFunctionsWhitelist::get_ext_funcs(name, is_gpu);
  std::string processor = (is_gpu ? "GPU" : "CPU");
  return std::get<0>(
      bind_function<ExtensionFunction>(name, func_args, ext_funcs, processor));
}

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ExtensionFunction bind_function	(	std::string	name,
		Analyzer::ExpressionPtrVector	func_args
	)

Definition at line 783 of file ExtensionFunctionsBinding.cpp.

References ExtensionFunctionsWhitelist::get_ext_funcs(), and setup::name.

                                                                       {
  // used in RelAlgTranslator.cpp, first try GPU UDFs, then fall back
  // to CPU UDFs.
  bool is_gpu = true;
  std::string processor = "GPU";
  auto ext_funcs = ExtensionFunctionsWhitelist::get_ext_funcs(name, is_gpu);
  if (!ext_funcs.size()) {
    is_gpu = false;
    processor = "CPU";
    ext_funcs = ExtensionFunctionsWhitelist::get_ext_funcs(name, is_gpu);
  }
  try {
    return std::get<0>(
        bind_function<ExtensionFunction>(name, func_args, ext_funcs, processor));
  } catch (ExtensionFunctionBindingError& e) {
    if (is_gpu) {
      is_gpu = false;
      processor = "GPU|CPU";
      ext_funcs = ExtensionFunctionsWhitelist::get_ext_funcs(name, is_gpu);
      return std::get<0>(
          bind_function<ExtensionFunction>(name, func_args, ext_funcs, processor));
    } else {
      throw;
    }
  }
}

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ExtensionFunction bind_function	(	const Analyzer::FunctionOper *	function_oper,
		const bool	is_gpu
	)

Definition at line 822 of file ExtensionFunctionsBinding.cpp.

References bind_function(), Analyzer::FunctionOper::getArity(), Analyzer::FunctionOper::getName(), Analyzer::FunctionOper::getOwnArg(), and setup::name.

                                                   {
  // used in ExtensionsIR.cpp
  auto name = function_oper->getName();
  Analyzer::ExpressionPtrVector func_args = {};
  for (size_t i = 0; i < function_oper->getArity(); ++i) {
    func_args.push_back(function_oper->getOwnArg(i));
  }
  return bind_function(name, func_args, is_gpu);
}

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const std::tuple<table_functions::TableFunction, std::vector<SQLTypeInfo> > bind_table_function	(	std::string	name,
		Analyzer::ExpressionPtrVector	input_args,
		const bool	is_gpu
	)

Definition at line 834 of file ExtensionFunctionsBinding.cpp.

References bind_table_function(), and table_functions::TableFunctionsFactory::get_table_funcs().

                                       {
  // used in RelAlgExecutor.cpp
  std::vector<table_functions::TableFunction> table_funcs =
      table_functions::TableFunctionsFactory::get_table_funcs(name, is_gpu);
  return bind_table_function(name, input_args, table_funcs, is_gpu);
}

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