CalciteDeserializerUtils.cpp File Reference

#include "CalciteDeserializerUtils.h"
#include "../Analyzer/Analyzer.h"
#include "Logger/Logger.h"
#include <boost/algorithm/string.hpp>

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Functions
SQLTypeInfo	get_agg_type (const SQLAgg agg_kind, const Analyzer::Expr *arg_expr)
ExtractField	to_datepart_field (const std::string &field)
DateaddField	to_dateadd_field (const std::string &field)
DatetruncField	to_datediff_field (const std::string &field)
std::shared_ptr< Analyzer::Constant >	make_fp_constant (const int64_t val, const SQLTypeInfo &ti)

Variables
bool	g_bigint_count

Function Documentation

get_agg_type()

SQLTypeInfo get_agg_type	(	const SQLAgg	agg_kind,
		const Analyzer::Expr *	arg_expr
	)

Definition at line 26 of file CalciteDeserializerUtils.cpp.

References CHECK, g_bigint_count, Analyzer::Expr::get_type_info(), SQLTypeInfo::get_type_name(), SQLTypeInfo::is_integer(), SQLTypeInfo::is_varlen(), kAPPROX_COUNT_DISTINCT, kAVG, kBIGINT, kCOUNT, kDOUBLE, kINT, kMAX, kMIN, kSAMPLE, kSINGLE_VALUE, and kSUM.

Referenced by anonymous_namespace{RelAlgExecutor.cpp}::decide_approx_count_distinct_implementation(), to_sql_type(), and RelAlgTranslator::translateAggregateRex().

                                                                              {
  switch (agg_kind) {
    case kCOUNT:
      return SQLTypeInfo(g_bigint_count ? kBIGINT : kINT, false);
    case kMIN:
    case kMAX:
      return arg_expr->get_type_info();
    case kSUM:
      return arg_expr->get_type_info().is_integer() ? SQLTypeInfo(kBIGINT, false)
                                                    : arg_expr->get_type_info();
    case kAVG:
      return SQLTypeInfo(kDOUBLE, false);
    case kAPPROX_COUNT_DISTINCT:
      return SQLTypeInfo(kBIGINT, false);
    case kSINGLE_VALUE:
      if (arg_expr->get_type_info().is_varlen()) {
        throw std::runtime_error("SINGLE_VALUE not supported on '" +
                                 arg_expr->get_type_info().get_type_name() + "' input.");
      }
    case kSAMPLE:
      return arg_expr->get_type_info();
    default:
      CHECK(false);
  }
  CHECK(false);
  return SQLTypeInfo();
}

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make_fp_constant()

std::shared_ptr<Analyzer::Constant> make_fp_constant	(	const int64_t	val,
		const SQLTypeInfo &	ti
	)

Definition at line 200 of file CalciteDeserializerUtils.cpp.

References CHECK, Datum::doubleval, Datum::floatval, SQLTypeInfo::get_type(), kDOUBLE, and kFLOAT.

Referenced by to_sql_type(), and RelAlgTranslator::translateLiteral().

                                                                            {
  Datum d;
  switch (ti.get_type()) {
    case kFLOAT:
      d.floatval = val;
      break;
    case kDOUBLE:
      d.doubleval = val;
      break;
    default:
      CHECK(false);
  }
  return makeExpr<Analyzer::Constant>(ti, false, d);
}

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to_dateadd_field()

DateaddField to_dateadd_field

(

const std::string &

field

)

Definition at line 102 of file CalciteDeserializerUtils.cpp.

References daCENTURY, daDAY, daDECADE, daHOUR, daMICROSECOND, daMILLENNIUM, daMILLISECOND, daMINUTE, daMONTH, daNANOSECOND, daQUARTER, daSECOND, daWEEK, daWEEKDAY, and daYEAR.

Referenced by to_sql_type(), and RelAlgTranslator::translateDateadd().

                                                      {
  DateaddField fieldno;
  if (boost::iequals(field, "year") || boost::iequals(field, "yy") ||
      boost::iequals(field, "yyyy") || boost::iequals(field, "sql_tsi_year")) {
    fieldno = daYEAR;
  } else if (boost::iequals(field, "quarter") || boost::iequals(field, "qq") ||
             boost::iequals(field, "q") || boost::iequals(field, "sql_tsi_quarter")) {
    fieldno = daQUARTER;
  } else if (boost::iequals(field, "month") || boost::iequals(field, "mm") ||
             boost::iequals(field, "m") || boost::iequals(field, "sql_tsi_month")) {
    fieldno = daMONTH;
  } else if (boost::iequals(field, "day") || boost::iequals(field, "dd") ||
             boost::iequals(field, "d") || boost::iequals(field, "sql_tsi_day")) {
    fieldno = daDAY;
  } else if (boost::iequals(field, "week") || boost::iequals(field, "ww") ||
             boost::iequals(field, "w") || boost::iequals(field, "sql_tsi_week")) {
    fieldno = daWEEK;
  } else if (boost::iequals(field, "hour") || boost::iequals(field, "hh") ||
             boost::iequals(field, "sql_tsi_hour")) {
    fieldno = daHOUR;
  } else if (boost::iequals(field, "minute") || boost::iequals(field, "mi") ||
             boost::iequals(field, "n") || boost::iequals(field, "sql_tsi_minute")) {
    fieldno = daMINUTE;
  } else if (boost::iequals(field, "second") || boost::iequals(field, "ss") ||
             boost::iequals(field, "s") || boost::iequals(field, "sql_tsi_second")) {
    fieldno = daSECOND;
  } else if (boost::iequals(field, "millisecond") || boost::iequals(field, "ms")) {
    fieldno = daMILLISECOND;
  } else if (boost::iequals(field, "microsecond") || boost::iequals(field, "us") ||
             boost::iequals(field, "sql_tsi_microsecond") ||
             boost::iequals(field, "frac_second")) {
    fieldno = daMICROSECOND;
  } else if (boost::iequals(field, "nanosecond") || boost::iequals(field, "ns") ||
             boost::iequals(field, "sql_tsi_frac_second")) {
    fieldno = daNANOSECOND;
  } else if (boost::iequals(field, "weekday") || boost::iequals(field, "dw")) {
    fieldno = daWEEKDAY;
  } else if (boost::iequals(field, "decade") || boost::iequals(field, "dc")) {
    fieldno = daDECADE;
  } else if (boost::iequals(field, "century")) {
    fieldno = daCENTURY;
  } else if (boost::iequals(field, "millennium")) {
    fieldno = daMILLENNIUM;
  } else {
    throw std::runtime_error("Unsupported field in DATEADD function: " + field);
  }
  return fieldno;
}

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to_datediff_field()

DatetruncField to_datediff_field

(

const std::string &

field

)

Definition at line 151 of file CalciteDeserializerUtils.cpp.

References dtCENTURY, dtDAY, dtDECADE, dtHOUR, dtMICROSECOND, dtMILLENNIUM, dtMILLISECOND, dtMINUTE, dtMONTH, dtNANOSECOND, dtQUARTER, dtQUARTERDAY, dtSECOND, dtWEEK, and dtYEAR.

Referenced by to_sql_type(), and RelAlgTranslator::translateDatediff().

                                                         {
  DatetruncField fieldno;
  if (boost::iequals(field, "year") || boost::iequals(field, "yy") ||
      boost::iequals(field, "yyyy") || boost::iequals(field, "sql_tsi_year")) {
    fieldno = dtYEAR;
  } else if (boost::iequals(field, "quarter") || boost::iequals(field, "qq") ||
             boost::iequals(field, "q") || boost::iequals(field, "sql_tsi_quarter")) {
    fieldno = dtQUARTER;
  } else if (boost::iequals(field, "month") || boost::iequals(field, "mm") ||
             boost::iequals(field, "m") || boost::iequals(field, "sql_tsi_month")) {
    fieldno = dtMONTH;
  } else if (boost::iequals(field, "week") || boost::iequals(field, "ww") ||
             boost::iequals(field, "w") || boost::iequals(field, "sql_tsi_week")) {
    fieldno = dtWEEK;
  } else if (boost::iequals(field, "day") || boost::iequals(field, "dd") ||
             boost::iequals(field, "d") || boost::iequals(field, "sql_tsi_day")) {
    fieldno = dtDAY;
  } else if (boost::iequals(field, "quarterday")) {
    fieldno = dtQUARTERDAY;
  } else if (boost::iequals(field, "hour") || boost::iequals(field, "hh") ||
             boost::iequals(field, "sql_tsi_hour")) {
    fieldno = dtHOUR;
  } else if (boost::iequals(field, "minute") || boost::iequals(field, "mi") ||
             boost::iequals(field, "n") || boost::iequals(field, "sql_tsi_minute")) {
    fieldno = dtMINUTE;
  } else if (boost::iequals(field, "second") || boost::iequals(field, "ss") ||
             boost::iequals(field, "s") || boost::iequals(field, "sql_tsi_second")) {
    fieldno = dtSECOND;
  } else if (boost::iequals(field, "millisecond") || boost::iequals(field, "ms")) {
    fieldno = dtMILLISECOND;
  } else if (boost::iequals(field, "microsecond") || boost::iequals(field, "us") ||
             boost::iequals(field, "sql_tsi_microsecond") ||
             boost::iequals(field, "frac_second")) {
    fieldno = dtMICROSECOND;
  } else if (boost::iequals(field, "nanosecond") || boost::iequals(field, "ns") ||
             boost::iequals(field, "sql_tsi_frac_second")) {
    fieldno = dtNANOSECOND;
  } else if (boost::iequals(field, "decade") || boost::iequals(field, "dc")) {
    fieldno = dtDECADE;
  } else if (boost::iequals(field, "century")) {
    fieldno = dtCENTURY;
  } else if (boost::iequals(field, "millennium")) {
    fieldno = dtMILLENNIUM;
  } else {
    throw std::runtime_error("Unsupported field in DATEDIFF function: " + field);
  }
  return fieldno;
}

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to_datepart_field()

ExtractField to_datepart_field

(

const std::string &

field

)

Definition at line 54 of file CalciteDeserializerUtils.cpp.

References kDAY, kDOY, kHOUR, kISODOW, kMICROSECOND, kMILLISECOND, kMINUTE, kMONTH, kNANOSECOND, kQUARTER, kQUARTERDAY, kSECOND, kWEEK, and kYEAR.

Referenced by to_sql_type(), and RelAlgTranslator::translateDatepart().

                                                       {
  ExtractField fieldno;
  if (boost::iequals(field, "year") || boost::iequals(field, "yy") ||
      boost::iequals(field, "yyyy") || boost::iequals(field, "sql_tsi_year")) {
    fieldno = kYEAR;
  } else if (boost::iequals(field, "quarter") || boost::iequals(field, "qq") ||
             boost::iequals(field, "q") || boost::iequals(field, "sql_tsi_quarter")) {
    fieldno = kQUARTER;
  } else if (boost::iequals(field, "month") || boost::iequals(field, "mm") ||
             boost::iequals(field, "m") || boost::iequals(field, "sql_tsi_month")) {
    fieldno = kMONTH;
  } else if (boost::iequals(field, "dayofyear") || boost::iequals(field, "dy") ||
             boost::iequals(field, "y")) {
    fieldno = kDOY;
  } else if (boost::iequals(field, "day") || boost::iequals(field, "dd") ||
             boost::iequals(field, "d") || boost::iequals(field, "sql_tsi_day")) {
    fieldno = kDAY;
  } else if (boost::iequals(field, "week") || boost::iequals(field, "ww") ||
             boost::iequals(field, "w") || boost::iequals(field, "sql_tsi_week")) {
    fieldno = kWEEK;
  } else if (boost::iequals(field, "hour") || boost::iequals(field, "hh") ||
             boost::iequals(field, "sql_tsi_hour")) {
    fieldno = kHOUR;
  } else if (boost::iequals(field, "minute") || boost::iequals(field, "mi") ||
             boost::iequals(field, "n") || boost::iequals(field, "sql_tsi_minute")) {
    fieldno = kMINUTE;
  } else if (boost::iequals(field, "second") || boost::iequals(field, "ss") ||
             boost::iequals(field, "s") || boost::iequals(field, "sql_tsi_second")) {
    fieldno = kSECOND;
  } else if (boost::iequals(field, "millisecond") || boost::iequals(field, "ms")) {
    fieldno = kMILLISECOND;
  } else if (boost::iequals(field, "microsecond") || boost::iequals(field, "us") ||
             boost::iequals(field, "sql_tsi_microsecond") ||
             boost::iequals(field, "frac_second")) {
    fieldno = kMICROSECOND;
  } else if (boost::iequals(field, "nanosecond") || boost::iequals(field, "ns") ||
             boost::iequals(field, "sql_tsi_frac_second")) {
    fieldno = kNANOSECOND;
  } else if (boost::iequals(field, "weekday") || boost::iequals(field, "dw")) {
    fieldno = kISODOW;
  } else if (boost::iequals(field, "quarterday") || boost::iequals(field, "dq")) {
    fieldno = kQUARTERDAY;
  } else {
    throw std::runtime_error("Unsupported field in DATEPART function: " + field);
  }
  return fieldno;
}

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Variable Documentation

g_bigint_count

bool g_bigint_count

Definition at line 49 of file GroupByAndAggregate.cpp.

Referenced by QueryMemoryInitializer::allocateCountDistinctBuffers(), TargetExprCodegen::codegen(), anonymous_namespace{RelAlgExecutor.cpp}::decide_approx_count_distinct_implementation(), Executor::executePlanWithoutGroupBy(), anonymous_namespace{Execute.cpp}::fill_entries_for_empty_input(), CommandLineOptions::fillOptions(), get_agg_type(), get_heap_key_slot_index(), Executor::getDeviceTypeForTargets(), RelAlgExecutor::getFilteredCountAll(), RelAlgExecutor::getFilterSelectivity(), QueryMemoryInitializer::initColumnarGroups(), TargetExprCodegenBuilder::operator()(), QueryMemoryDescriptor::pick_target_compact_width(), Executor::reduceMultiDeviceResults(), Executor::resultsUnion(), and target_exprs_to_infos().