#include <GeospatialFunctionFinder.h>

Inheritance diagram for GeospatialFunctionFinder:

Collaboration diagram for GeospatialFunctionFinder:

Public Member Functions
const std::vector< const Analyzer::ColumnVar * > &	getGeoArgCvs () const

const std::pair < shared::TableKey, shared::TableKey >	getTableIdsOfGeoExpr () const

const std::string &	getGeoFunctionName () const

Public Member Functions inherited from ScalarExprVisitor< void * >
void *	visit (const Analyzer::Expr *expr) const

Protected Member Functions
void *	visitGeoExpr (const Analyzer::GeoExpr *geo_expr) const override

void *	visitFunctionOper (const Analyzer::FunctionOper *func_oper) const override

Protected Member Functions inherited from ScalarExprVisitor< void * >
virtual void *	visitVar (const Analyzer::Var *) const

virtual void *	visitColumnVar (const Analyzer::ColumnVar *) const

virtual void *	visitColumnVarTuple (const Analyzer::ExpressionTuple *) const

virtual void *	visitConstant (const Analyzer::Constant *) const

virtual void *	visitUOper (const Analyzer::UOper *uoper) const

virtual void *	visitBinOper (const Analyzer::BinOper *bin_oper) const

virtual void *	visitInValues (const Analyzer::InValues *in_values) const

virtual void *	visitInIntegerSet (const Analyzer::InIntegerSet *in_integer_set) const

virtual void *	visitCharLength (const Analyzer::CharLengthExpr *char_length) const

virtual void *	visitKeyForString (const Analyzer::KeyForStringExpr *key_for_string) const

virtual void *	visitSampleRatio (const Analyzer::SampleRatioExpr *sample_ratio) const

virtual void *	visitStringOper (const Analyzer::StringOper *string_oper) const

virtual void *	visitCardinality (const Analyzer::CardinalityExpr *cardinality) const

virtual void *	visitLikeExpr (const Analyzer::LikeExpr *like) const

virtual void *	visitRegexpExpr (const Analyzer::RegexpExpr *regexp) const

virtual void *	visitWidthBucket (const Analyzer::WidthBucketExpr *width_bucket_expr) const

virtual void *	visitCaseExpr (const Analyzer::CaseExpr *case_) const

virtual void *	visitDatetruncExpr (const Analyzer::DatetruncExpr *datetrunc) const

virtual void *	visitExtractExpr (const Analyzer::ExtractExpr *extract) const

virtual void *	visitFunctionOperWithCustomTypeHandling (const Analyzer::FunctionOperWithCustomTypeHandling *func_oper) const

virtual void *	visitArrayOper (Analyzer::ArrayExpr const *array_expr) const

virtual void *	visitGeoUOper (const Analyzer::GeoUOper *geo_expr) const

virtual void *	visitGeoBinOper (const Analyzer::GeoBinOper *geo_expr) const

virtual void *	visitWindowFunction (const Analyzer::WindowFunction *window_func) const

virtual void *	visitDatediffExpr (const Analyzer::DatediffExpr *datediff) const

virtual void *	visitDateaddExpr (const Analyzer::DateaddExpr *dateadd) const

virtual void *	visitLikelihood (const Analyzer::LikelihoodExpr *likelihood) const

virtual void *	visitOffsetInFragment (const Analyzer::OffsetInFragment *) const

virtual void *	visitAggExpr (const Analyzer::AggExpr *agg) const

virtual void *	visitRangeJoinOper (const Analyzer::RangeOper *range_oper) const

virtual void *	aggregateResult (const void &aggregate, const void &next_result) const

virtual void	visitBegin () const

virtual void *	defaultResult () const

Private Attributes
std::vector< const Analyzer::ColumnVar * >	geo_arg_cvs_

std::string	geo_func_name_ {""}

Detailed Description

Definition at line 26 of file GeospatialFunctionFinder.h.

Member Function Documentation

const std::vector< const Analyzer::ColumnVar * > & GeospatialFunctionFinder::getGeoArgCvs ( ) const

Definition at line 21 of file GeospatialFunctionFinder.cpp.

References geo_arg_cvs_.

Referenced by anonymous_namespace{FromTableReordering.cpp}::get_join_qual_cost().

           {
   return geo_arg_cvs_;
 }

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const std::string & GeospatialFunctionFinder::getGeoFunctionName ( ) const

Definition at line 53 of file GeospatialFunctionFinder.cpp.

References geo_func_name_.

Referenced by anonymous_namespace{FromTableReordering.cpp}::get_join_qual_cost().

                                                                     {
   return geo_func_name_;
 }

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const std::pair< shared::TableKey, shared::TableKey > GeospatialFunctionFinder::getTableIdsOfGeoExpr ( ) const

Definition at line 27 of file GeospatialFunctionFinder.cpp.

References geo_arg_cvs_.

Referenced by anonymous_namespace{FromTableReordering.cpp}::get_join_qual_cost().

                                                      {
   // we assume we do not use self geo join and n-ary geo join
   if (!geo_arg_cvs_.empty()) {
     std::unordered_set<shared::TableKey> table_keys;
     std::for_each(geo_arg_cvs_.cbegin(),
                   geo_arg_cvs_.cend(),
                   [&table_keys](const Analyzer::ColumnVar* cv) {
                     table_keys.emplace(cv->getTableKey());
                   });
     if (table_keys.size() == 2) {
       const auto inner_table_key = geo_arg_cvs_.front()->getTableKey();
       shared::TableKey outer_table_key{-1, -1};
       std::for_each(
           table_keys.cbegin(),
           table_keys.cend(),
           [&inner_table_key, &outer_table_key](const shared::TableKey& table_key) {
             if (table_key != inner_table_key) {
               outer_table_key = table_key;
             }
           });
       return std::make_pair(inner_table_key, outer_table_key);
     }
   }
   return std::make_pair(shared::TableKey{-1, -1}, shared::TableKey{-1, -1});
 }

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void * GeospatialFunctionFinder::visitFunctionOper ( const Analyzer::FunctionOper * func_oper ) const

overrideprotectedvirtual

Reimplemented from ScalarExprVisitor< void * >.

Definition at line 57 of file GeospatialFunctionFinder.cpp.

References geo_arg_cvs_, geo_func_name_, Analyzer::FunctionOper::getArg(), Analyzer::FunctionOper::getArity(), and Analyzer::FunctionOper::getName().

                                                  {
   geo_func_name_ = func_oper->getName();
   for (size_t i = 0; i < func_oper->getArity(); i++) {
     if (auto cv = dynamic_cast<const Analyzer::ColumnVar*>(func_oper->getArg(i))) {
       geo_arg_cvs_.push_back(cv);
     }
   }
   return nullptr;
 }

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void * GeospatialFunctionFinder::visitGeoExpr ( const Analyzer::GeoExpr * geo_expr ) const

overrideprotectedvirtual

Reimplemented from ScalarExprVisitor< void * >.

Definition at line 68 of file GeospatialFunctionFinder.cpp.

References geo_arg_cvs_, and Analyzer::GeoExpr::getChildExprs().

                                                                                   {
   for (auto arg : geo_expr->getChildExprs()) {
     if (auto cv = dynamic_cast<const Analyzer::ColumnVar*>(arg)) {
       geo_arg_cvs_.push_back(cv);
     }
   }
   return nullptr;
 }

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Member Data Documentation

std::vector<const Analyzer::ColumnVar*> GeospatialFunctionFinder::geo_arg_cvs_

mutableprivate

Definition at line 37 of file GeospatialFunctionFinder.h.

Referenced by getGeoArgCvs(), getTableIdsOfGeoExpr(), visitFunctionOper(), and visitGeoExpr().

std::string GeospatialFunctionFinder::geo_func_name_ {""}

mutableprivate

Definition at line 38 of file GeospatialFunctionFinder.h.

Referenced by getGeoFunctionName(), and visitFunctionOper().

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

/home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Visitors/GeospatialFunctionFinder.h
/home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Visitors/GeospatialFunctionFinder.cpp

Public Member Functions

Protected Member Functions

Private Attributes

Detailed Description

Member Function Documentation

Member Data Documentation