ScalarExprVisitor< T > Class Template Reference

#include <ScalarExprVisitor.h>

Public Member Functions
T	visit (const Analyzer::Expr *expr) const

Protected Member Functions
virtual T	visitVar (const Analyzer::Var *) const
virtual T	visitColumnVar (const Analyzer::ColumnVar *) const
virtual T	visitColumnVarTuple (const Analyzer::ExpressionTuple *) const
virtual T	visitConstant (const Analyzer::Constant *) const
virtual T	visitUOper (const Analyzer::UOper *uoper) const
virtual T	visitBinOper (const Analyzer::BinOper *bin_oper) const
virtual T	visitGeoExpr (const Analyzer::GeoExpr *geo_expr) const
virtual T	visitInValues (const Analyzer::InValues *in_values) const
virtual T	visitInIntegerSet (const Analyzer::InIntegerSet *in_integer_set) const
virtual T	visitCharLength (const Analyzer::CharLengthExpr *char_length) const
virtual T	visitKeyForString (const Analyzer::KeyForStringExpr *key_for_string) const
virtual T	visitSampleRatio (const Analyzer::SampleRatioExpr *sample_ratio) const
virtual T	visitStringOper (const Analyzer::StringOper *string_oper) const
virtual T	visitCardinality (const Analyzer::CardinalityExpr *cardinality) const
virtual T	visitLikeExpr (const Analyzer::LikeExpr *like) const
virtual T	visitRegexpExpr (const Analyzer::RegexpExpr *regexp) const
virtual T	visitWidthBucket (const Analyzer::WidthBucketExpr *width_bucket_expr) const
virtual T	visitMLPredict (const Analyzer::MLPredictExpr *ml_predict_expr) const
virtual T	visitPCAProject (const Analyzer::PCAProjectExpr *pca_project_expr) const
virtual T	visitCaseExpr (const Analyzer::CaseExpr *case_) const
virtual T	visitDatetruncExpr (const Analyzer::DatetruncExpr *datetrunc) const
virtual T	visitExtractExpr (const Analyzer::ExtractExpr *extract) const
virtual T	visitFunctionOperWithCustomTypeHandling (const Analyzer::FunctionOperWithCustomTypeHandling *func_oper) const
virtual T	visitArrayOper (Analyzer::ArrayExpr const *array_expr) const
virtual T	visitGeoUOper (const Analyzer::GeoUOper *geo_expr) const
virtual T	visitGeoBinOper (const Analyzer::GeoBinOper *geo_expr) const
virtual T	visitFunctionOper (const Analyzer::FunctionOper *func_oper) const
virtual T	visitWindowFunction (const Analyzer::WindowFunction *window_func) const
virtual T	visitDatediffExpr (const Analyzer::DatediffExpr *datediff) const
virtual T	visitDateaddExpr (const Analyzer::DateaddExpr *dateadd) const
virtual T	visitLikelihood (const Analyzer::LikelihoodExpr *likelihood) const
virtual T	visitOffsetInFragment (const Analyzer::OffsetInFragment *) const
virtual T	visitAggExpr (const Analyzer::AggExpr *agg) const
virtual T	visitRangeJoinOper (const Analyzer::RangeOper *range_oper) const
virtual T	aggregateResult (const T &aggregate, const T &next_result) const
virtual void	visitBegin () const
virtual T	defaultResult () const

Detailed Description

template<class T>
class ScalarExprVisitor< T >

Definition at line 23 of file ScalarExprVisitor.h.

Member Function Documentation

template<class T>

virtual T ScalarExprVisitor< T >::aggregateResult ( const T &  aggregate, const T &  next_result  ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{IRCodegen.cpp}::ExprTableIdVisitor, AllColumnVarsVisitor, TextEncodingCastCountVisitor, anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, ColumnVarsVisitor, AllRangeTableIndexVisitor, ScalarExprToSql, anonymous_namespace{JoinFilterPushDown.cpp}::CollectInputColumnsVisitor, MaxRangeTableIndexVisitor, anonymous_namespace{ScalarCodeGenerator.cpp}::UsedColumnExpressions, and UsedColumnsVisitor.

Definition at line 411 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visitAggExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitArrayOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCardinality(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCaseExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCharLength(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDateaddExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDatediffExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDatetruncExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitExtractExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitFunctionOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitInValues(), ScalarExprVisitor< std::set< shared::TableKey > >::visitKeyForString(), ScalarExprVisitor< std::set< shared::TableKey > >::visitLikeExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitMLPredict(), ScalarExprVisitor< std::set< shared::TableKey > >::visitPCAProject(), ScalarExprVisitor< std::set< shared::TableKey > >::visitRangeJoinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitRegexpExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitSampleRatio(), ScalarExprVisitor< std::set< shared::TableKey > >::visitStringOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitWidthBucket(), and ScalarExprVisitor< std::set< shared::TableKey > >::visitWindowFunction().

                                                                            {
    return next_result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::defaultResult ( ) const

inlineprotectedvirtual

Reimplemented in JoinCoveredQualVisitor, TextEncodingCastCountVisitor, TransientDictIdVisitor, TransientStringLiteralsVisitor, and ScalarExprToSql.

Definition at line 417 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit(), ScalarExprVisitor< std::set< shared::TableKey > >::visitAggExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitArrayOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCardinality(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCaseExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCharLength(), ScalarExprVisitor< std::set< shared::TableKey > >::visitColumnVar(), ScalarExprVisitor< std::set< shared::TableKey > >::visitColumnVarTuple(), ScalarExprVisitor< std::set< shared::TableKey > >::visitConstant(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDateaddExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDatediffExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDatetruncExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitExtractExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitFunctionOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitKeyForString(), ScalarExprVisitor< std::set< shared::TableKey > >::visitLikeExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitMLPredict(), ScalarExprVisitor< std::set< shared::TableKey > >::visitOffsetInFragment(), ScalarExprVisitor< std::set< shared::TableKey > >::visitPCAProject(), ScalarExprVisitor< std::set< shared::TableKey > >::visitRangeJoinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitRegexpExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitSampleRatio(), ScalarExprVisitor< std::set< shared::TableKey > >::visitStringOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitVar(), ScalarExprVisitor< std::set< shared::TableKey > >::visitWidthBucket(), and ScalarExprVisitor< std::set< shared::TableKey > >::visitWindowFunction().

{ return T{}; }

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template<class T>

T ScalarExprVisitor< T >::visit ( const Analyzer::Expr *  expr ) const

inline

Definition at line 25 of file ScalarExprVisitor.h.

Referenced by Executor::addTransientStringLiterals(), anonymous_namespace{SerializeToSql.cpp}::agg_to_string(), anonymous_namespace{FromTableReordering.cpp}::build_join_cost_graph(), anonymous_namespace{EquiJoinCondition.cpp}::can_combine_with(), QueryPlanDagCache::collectColVars(), find_push_down_filters(), anonymous_namespace{FromTableReordering.cpp}::get_join_qual_cost(), get_text_cast_counts(), HashJoin::getSyntheticInstance(), HashJoin::normalizeColumnPair(), strip_join_covered_filter_quals(), anonymous_namespace{QueryMemoryDescriptor.cpp}::target_expr_proj_indices(), anonymous_namespace{SerializeToSql.cpp}::targets_to_string(), translate_bounding_box_intersect_with_reordering(), ScalarExprVisitor< std::set< shared::TableKey > >::visitAggExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitArrayOper(), anonymous_namespace{ExpressionRewrite.cpp}::RecursiveOrToInVisitor::visitBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCardinality(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCaseExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitCharLength(), MaxRangeTableIndexVisitor::visitColumnVarTuple(), AllRangeTableIndexVisitor::visitColumnVarTuple(), ColumnVarsVisitor::visitColumnVarTuple(), AllColumnVarsVisitor::visitColumnVarTuple(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDateaddExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDatediffExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitDatetruncExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitExtractExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitFunctionOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoBinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitGeoUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitInIntegerSet(), ScalarExprVisitor< std::set< shared::TableKey > >::visitInValues(), ScalarExprVisitor< std::set< shared::TableKey > >::visitKeyForString(), ScalarExprVisitor< std::set< shared::TableKey > >::visitLikeExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitLikelihood(), ScalarExprVisitor< std::set< shared::TableKey > >::visitMLPredict(), ScalarExprVisitor< std::set< shared::TableKey > >::visitPCAProject(), ScalarExprVisitor< std::set< shared::TableKey > >::visitRangeJoinOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitRegexpExpr(), ScalarExprVisitor< std::set< shared::TableKey > >::visitSampleRatio(), ScalarExprVisitor< std::set< shared::TableKey > >::visitStringOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitWidthBucket(), and ScalarExprVisitor< std::set< shared::TableKey > >::visitWindowFunction().

                                          {
    CHECK(expr);
    visitBegin();
    const auto var = dynamic_cast<const Analyzer::Var*>(expr);
    if (var) {
      return visitVar(var);
    }
    const auto column_var = dynamic_cast<const Analyzer::ColumnVar*>(expr);
    if (column_var) {
      return visitColumnVar(column_var);
    }
    const auto column_var_tuple = dynamic_cast<const Analyzer::ExpressionTuple*>(expr);
    if (column_var_tuple) {
      return visitColumnVarTuple(column_var_tuple);
    }
    const auto constant = dynamic_cast<const Analyzer::Constant*>(expr);
    if (constant) {
      return visitConstant(constant);
    }
    const auto uoper = dynamic_cast<const Analyzer::UOper*>(expr);
    if (uoper) {
      return visitUOper(uoper);
    }
    const auto bin_oper = dynamic_cast<const Analyzer::BinOper*>(expr);
    if (bin_oper) {
      return visitBinOper(bin_oper);
    }
    const auto geo_expr = dynamic_cast<const Analyzer::GeoExpr*>(expr);
    if (geo_expr) {
      return visitGeoExpr(geo_expr);
    }
    const auto in_values = dynamic_cast<const Analyzer::InValues*>(expr);
    if (in_values) {
      return visitInValues(in_values);
    }
    const auto in_integer_set = dynamic_cast<const Analyzer::InIntegerSet*>(expr);
    if (in_integer_set) {
      return visitInIntegerSet(in_integer_set);
    }
    const auto char_length = dynamic_cast<const Analyzer::CharLengthExpr*>(expr);
    if (char_length) {
      return visitCharLength(char_length);
    }
    const auto key_for_string = dynamic_cast<const Analyzer::KeyForStringExpr*>(expr);
    if (key_for_string) {
      return visitKeyForString(key_for_string);
    }
    const auto sample_ratio = dynamic_cast<const Analyzer::SampleRatioExpr*>(expr);
    if (sample_ratio) {
      return visitSampleRatio(sample_ratio);
    }
    const auto width_bucket = dynamic_cast<const Analyzer::WidthBucketExpr*>(expr);
    if (width_bucket) {
      return visitWidthBucket(width_bucket);
    }
    const auto ml_predict = dynamic_cast<const Analyzer::MLPredictExpr*>(expr);
    if (ml_predict) {
      return visitMLPredict(ml_predict);
    }
    const auto pca_project = dynamic_cast<const Analyzer::PCAProjectExpr*>(expr);
    if (pca_project) {
      return visitPCAProject(pca_project);
    }
    const auto string_oper = dynamic_cast<const Analyzer::StringOper*>(expr);
    if (string_oper) {
      return visitStringOper(string_oper);
    }
    const auto cardinality = dynamic_cast<const Analyzer::CardinalityExpr*>(expr);
    if (cardinality) {
      return visitCardinality(cardinality);
    }
    const auto like_expr = dynamic_cast<const Analyzer::LikeExpr*>(expr);
    if (like_expr) {
      return visitLikeExpr(like_expr);
    }
    const auto regexp_expr = dynamic_cast<const Analyzer::RegexpExpr*>(expr);
    if (regexp_expr) {
      return visitRegexpExpr(regexp_expr);
    }
    const auto case_ = dynamic_cast<const Analyzer::CaseExpr*>(expr);
    if (case_) {
      return visitCaseExpr(case_);
    }
    const auto datetrunc = dynamic_cast<const Analyzer::DatetruncExpr*>(expr);
    if (datetrunc) {
      return visitDatetruncExpr(datetrunc);
    }
    const auto extract = dynamic_cast<const Analyzer::ExtractExpr*>(expr);
    if (extract) {
      return visitExtractExpr(extract);
    }
    const auto window_func = dynamic_cast<const Analyzer::WindowFunction*>(expr);
    if (window_func) {
      return visitWindowFunction(window_func);
    }
    const auto func_with_custom_type_handling =
        dynamic_cast<const Analyzer::FunctionOperWithCustomTypeHandling*>(expr);
    if (func_with_custom_type_handling) {
      return visitFunctionOperWithCustomTypeHandling(func_with_custom_type_handling);
    }
    const auto func = dynamic_cast<const Analyzer::FunctionOper*>(expr);
    if (func) {
      return visitFunctionOper(func);
    }
    const auto array = dynamic_cast<const Analyzer::ArrayExpr*>(expr);
    if (array) {
      return visitArrayOper(array);
    }
    const auto geo_uop = dynamic_cast<const Analyzer::GeoUOper*>(expr);
    if (geo_uop) {
      return visitGeoUOper(geo_uop);
    }
    const auto geo_binop = dynamic_cast<const Analyzer::GeoBinOper*>(expr);
    if (geo_binop) {
      return visitGeoBinOper(geo_binop);
    }
    const auto datediff = dynamic_cast<const Analyzer::DatediffExpr*>(expr);
    if (datediff) {
      return visitDatediffExpr(datediff);
    }
    const auto dateadd = dynamic_cast<const Analyzer::DateaddExpr*>(expr);
    if (dateadd) {
      return visitDateaddExpr(dateadd);
    }
    const auto likelihood = dynamic_cast<const Analyzer::LikelihoodExpr*>(expr);
    if (likelihood) {
      return visitLikelihood(likelihood);
    }
    const auto offset_in_fragment = dynamic_cast<const Analyzer::OffsetInFragment*>(expr);
    if (offset_in_fragment) {
      return visitOffsetInFragment(offset_in_fragment);
    }
    const auto agg = dynamic_cast<const Analyzer::AggExpr*>(expr);
    if (agg) {
      return visitAggExpr(agg);
    }
    const auto range_join_oper = dynamic_cast<const Analyzer::RangeOper*>(expr);
    if (range_join_oper) {
      return visitRangeJoinOper(range_join_oper);
    }
    return defaultResult();
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitAggExpr ( const Analyzer::AggExpr *  agg ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and ScalarExprToSql.

Definition at line 395 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                           {
    T result = defaultResult();
    if (agg->get_arg()) {
      return aggregateResult(result, visit(agg->get_arg()));
    }
    return defaultResult();
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitArrayOper ( Analyzer::ArrayExpr const *  array_expr ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::ArrayElementStringLiteralEncodingVisitor, and DeepCopyVisitor.

Definition at line 324 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                      {
    T result = defaultResult();
    for (size_t i = 0; i < array_expr->getElementCount(); ++i) {
      result = aggregateResult(result, visit(array_expr->getElement(i)));
    }
    return result;
  }

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template<class T>

virtual void ScalarExprVisitor< T >::visitBegin ( ) const

inlineprotectedvirtual

Reimplemented in TextEncodingCastCountVisitor.

Definition at line 415 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

{}

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template<class T>

virtual T ScalarExprVisitor< T >::visitBinOper ( const Analyzer::BinOper *  bin_oper ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{IRCodegen.cpp}::ExprTableIdVisitor, anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor, TextEncodingCastCountVisitor, anonymous_namespace{ExpressionRewrite.cpp}::RecursiveOrToInVisitor, DeepCopyVisitor, anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and ScalarExprToSql.

Definition at line 185 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                {
    T result = defaultResult();
    result = aggregateResult(result, visit(bin_oper->get_left_operand()));
    result = aggregateResult(result, visit(bin_oper->get_right_operand()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitCardinality ( const Analyzer::CardinalityExpr *  cardinality ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 240 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                               {
    T result = defaultResult();
    result = aggregateResult(result, visit(cardinality->get_arg()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitCaseExpr ( const Analyzer::CaseExpr *  case_ ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{NativeCodegen.cpp}::CaseExprDetector, TransientDictIdVisitor, DeepCopyVisitor, anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and ScalarExprToSql.

Definition at line 296 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                               {
    T result = defaultResult();
    const auto& expr_pair_list = case_->get_expr_pair_list();
    for (const auto& expr_pair : expr_pair_list) {
      result = aggregateResult(result, visit(expr_pair.first.get()));
      result = aggregateResult(result, visit(expr_pair.second.get()));
    }
    result = aggregateResult(result, visit(case_->get_else_expr()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitCharLength ( const Analyzer::CharLengthExpr *  char_length ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 214 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                             {
    T result = defaultResult();
    result = aggregateResult(result, visit(char_length->get_arg()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitColumnVar ( const Analyzer::ColumnVar *  ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{IRCodegen.cpp}::ExprTableIdVisitor, AllColumnVarsVisitor, ColumnVarsVisitor, AllRangeTableIndexVisitor, anonymous_namespace{JoinFilterPushDown.cpp}::CollectInputColumnsVisitor, ScalarExprToSql, MaxRangeTableIndexVisitor, UsedColumnsVisitor, anonymous_namespace{JoinFilterPushDown.cpp}::BindFilterToOutermostVisitor, anonymous_namespace{ScalarCodeGenerator.cpp}::UsedColumnExpressions, and DeepCopyVisitor.

Definition at line 171 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T ScalarExprVisitor< T >::visitColumnVarTuple ( const Analyzer::ExpressionTuple *  ) const

inlineprotectedvirtual

Reimplemented in AllColumnVarsVisitor, ColumnVarsVisitor, AllRangeTableIndexVisitor, MaxRangeTableIndexVisitor, and DeepCopyVisitor.

Definition at line 173 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                      {
    return defaultResult();
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitConstant ( const Analyzer::Constant *  ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, ScalarExprToSql, and TransientStringLiteralsVisitor.

Definition at line 177 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T ScalarExprVisitor< T >::visitDateaddExpr ( const Analyzer::DateaddExpr *  dateadd ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor.

Definition at line 380 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                       {
    T result = defaultResult();
    result = aggregateResult(result, visit(dateadd->get_number_expr()));
    result = aggregateResult(result, visit(dateadd->get_datetime_expr()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitDatediffExpr ( const Analyzer::DatediffExpr *  datediff ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor.

Definition at line 373 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                          {
    T result = defaultResult();
    result = aggregateResult(result, visit(datediff->get_start_expr()));
    result = aggregateResult(result, visit(datediff->get_end_expr()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitDatetruncExpr ( const Analyzer::DatetruncExpr *  datetrunc ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor.

Definition at line 307 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                             {
    T result = defaultResult();
    result = aggregateResult(result, visit(datetrunc->get_from_expr()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitExtractExpr ( const Analyzer::ExtractExpr *  extract ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor.

Definition at line 313 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                       {
    T result = defaultResult();
    result = aggregateResult(result, visit(extract->get_from_expr()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitFunctionOper ( const Analyzer::FunctionOper *  func_oper ) const

inlineprotectedvirtual

Reimplemented in JoinCoveredQualVisitor, anonymous_namespace{IRCodegen.cpp}::ExprTableIdVisitor, DeepCopyVisitor, ScalarExprToSql, and GeospatialFunctionFinder.

Definition at line 351 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit(), and ScalarExprVisitor< std::set< shared::TableKey > >::visitFunctionOperWithCustomTypeHandling().

                                                                           {
    T result = defaultResult();
    for (size_t i = 0; i < func_oper->getArity(); ++i) {
      result = aggregateResult(result, visit(func_oper->getArg(i)));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitFunctionOperWithCustomTypeHandling ( const Analyzer::FunctionOperWithCustomTypeHandling *  func_oper ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor.

Definition at line 319 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                         {
    return visitFunctionOper(func_oper);
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitGeoBinOper ( const Analyzer::GeoBinOper *  geo_expr ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor.

Definition at line 340 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                      {
    T result = defaultResult();
    for (const auto& arg : geo_expr->getArgs0()) {
      result = aggregateResult(result, visit(arg.get()));
    }
    for (const auto& arg : geo_expr->getArgs1()) {
      result = aggregateResult(result, visit(arg.get()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitGeoExpr ( const Analyzer::GeoExpr *  geo_expr ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and GeospatialFunctionFinder.

Definition at line 192 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                {
    T result = defaultResult();
    const auto geo_expr_children = geo_expr->getChildExprs();
    for (const auto expr : geo_expr_children) {
      result = aggregateResult(result, visit(expr));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitGeoUOper ( const Analyzer::GeoUOper *  geo_expr ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor.

Definition at line 332 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                  {
    T result = defaultResult();
    for (const auto& arg : geo_expr->getArgs0()) {
      result = aggregateResult(result, visit(arg.get()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitInIntegerSet ( const Analyzer::InIntegerSet *  in_integer_set ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 210 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                                {
    return visit(in_integer_set->get_arg());
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitInValues ( const Analyzer::InValues *  in_values ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, DeepCopyVisitor, and ScalarExprToSql.

Definition at line 201 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                   {
    T result = visit(in_values->get_arg());
    const auto& value_list = in_values->get_value_list();
    for (const auto& in_value : value_list) {
      result = aggregateResult(result, visit(in_value.get()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitKeyForString ( const Analyzer::KeyForStringExpr *  key_for_string ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 220 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                                    {
    T result = defaultResult();
    result = aggregateResult(result, visit(key_for_string->get_arg()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitLikeExpr ( const Analyzer::LikeExpr *  like ) const

inlineprotectedvirtual

Reimplemented in TextEncodingCastCountVisitor, anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, DeepCopyVisitor, and ScalarExprToSql.

Definition at line 246 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                              {
    T result = defaultResult();
    result = aggregateResult(result, visit(like->get_arg()));
    result = aggregateResult(result, visit(like->get_like_expr()));
    if (like->get_escape_expr()) {
      result = aggregateResult(result, visit(like->get_escape_expr()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitLikelihood ( const Analyzer::LikelihoodExpr *  likelihood ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor.

Definition at line 387 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                            {
    return visit(likelihood->get_arg());
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitMLPredict ( const Analyzer::MLPredictExpr *  ml_predict_expr ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 275 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                               {
    T result = defaultResult();
    result = aggregateResult(result, visit(ml_predict_expr->get_model_value()));
    const auto& regressor_values = ml_predict_expr->get_regressor_values();
    for (const auto& regressor_value : regressor_values) {
      result = aggregateResult(result, visit(regressor_value.get()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitOffsetInFragment ( const Analyzer::OffsetInFragment *  ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor.

Definition at line 391 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                         {
    return defaultResult();
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitPCAProject ( const Analyzer::PCAProjectExpr *  pca_project_expr ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 285 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                                  {
    T result = defaultResult();
    result = aggregateResult(result, visit(pca_project_expr->get_model_value()));
    const auto& feature_values = pca_project_expr->get_feature_values();
    for (const auto& feature_value : feature_values) {
      result = aggregateResult(result, visit(feature_value.get()));
    }
    result = aggregateResult(result, visit(pca_project_expr->get_pc_dimension_value()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitRangeJoinOper ( const Analyzer::RangeOper *  range_oper ) const

inlineprotectedvirtual

Definition at line 403 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                          {
    T result = defaultResult();
    result = aggregateResult(result, visit(range_oper->get_left_operand()));
    result = aggregateResult(result, visit(range_oper->get_right_operand()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitRegexpExpr ( const Analyzer::RegexpExpr *  regexp ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 256 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                    {
    T result = defaultResult();
    result = aggregateResult(result, visit(regexp->get_arg()));
    result = aggregateResult(result, visit(regexp->get_pattern_expr()));
    if (regexp->get_escape_expr()) {
      result = aggregateResult(result, visit(regexp->get_escape_expr()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitSampleRatio ( const Analyzer::SampleRatioExpr *  sample_ratio ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, and DeepCopyVisitor.

Definition at line 226 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                                {
    T result = defaultResult();
    result = aggregateResult(result, visit(sample_ratio->get_arg()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitStringOper ( const Analyzer::StringOper *  string_oper ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor, TextEncodingCastCountVisitor, DeepCopyVisitor, TransientDictIdVisitor, and TransientStringLiteralsVisitor.

Definition at line 232 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                         {
    T result = defaultResult();
    for (const auto& arg : string_oper->getOwnArgs()) {
      result = aggregateResult(result, visit(arg.get()));
    }
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitUOper ( const Analyzer::UOper *  uoper ) const

inlineprotectedvirtual

Reimplemented in anonymous_namespace{IRCodegen.cpp}::ExprTableIdVisitor, anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor, TextEncodingCastCountVisitor, TransientDictIdVisitor, anonymous_namespace{ExpressionRewrite.cpp}::OrToInVisitor, TransientStringLiteralsVisitor, DeepCopyVisitor, and ScalarExprToSql.

Definition at line 179 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                         {
    T result = defaultResult();
    result = aggregateResult(result, visit(uoper->get_operand()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitVar ( const Analyzer::Var *  ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and ScalarExprToSql.

Definition at line 169 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

{ return defaultResult(); }

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template<class T>

virtual T ScalarExprVisitor< T >::visitWidthBucket ( const Analyzer::WidthBucketExpr *  width_bucket_expr ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor.

Definition at line 266 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                                     {
    T result = defaultResult();
    result = aggregateResult(result, visit(width_bucket_expr->get_target_value()));
    result = aggregateResult(result, visit(width_bucket_expr->get_lower_bound()));
    result = aggregateResult(result, visit(width_bucket_expr->get_upper_bound()));
    result = aggregateResult(result, visit(width_bucket_expr->get_partition_count()));
    return result;
  }

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template<class T>

virtual T ScalarExprVisitor< T >::visitWindowFunction ( const Analyzer::WindowFunction *  window_func ) const

inlineprotectedvirtual

Reimplemented in DeepCopyVisitor, and ScalarExprToSql.

Definition at line 359 of file ScalarExprVisitor.h.

Referenced by ScalarExprVisitor< std::set< shared::TableKey > >::visit().

                                                                                 {
    T result = defaultResult();
    for (const auto& arg : window_func->getArgs()) {
      result = aggregateResult(result, visit(arg.get()));
    }
    for (const auto& partition_key : window_func->getPartitionKeys()) {
      result = aggregateResult(result, visit(partition_key.get()));
    }
    for (const auto& order_key : window_func->getOrderKeys()) {
      result = aggregateResult(result, visit(order_key.get()));
    }
    return result;
  }

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---

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

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