Analyzer::Var Class Reference

#include <Analyzer.h>

Inheritance diagram for Analyzer::Var:

Collaboration diagram for Analyzer::Var:

Public Types
enum	WhichRow { kINPUT_OUTER, kINPUT_INNER, kOUTPUT, kGROUPBY }

Public Member Functions
	Var (const SQLTypeInfo &ti, const shared::ColumnKey &column_key, int32_t rte_idx, WhichRow o, int32_t v)
	Var (const SQLTypeInfo &ti, WhichRow o, int32_t v)
	which_row (o)
	varno (v)
WhichRow	get_which_row () const
void	set_which_row (WhichRow r)
int32_t	get_varno () const
void	set_varno (int32_t n)
std::shared_ptr< Analyzer::Expr >	deep_copy () const override
std::string	toString () const override
void	check_group_by (const std::list< std::shared_ptr< Analyzer::Expr >> &groupby) const override
void	collect_rte_idx (std::set< int32_t > &rte_idx_set) const override
std::shared_ptr< Analyzer::Expr >	rewrite_with_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
std::shared_ptr< Analyzer::Expr >	rewrite_with_child_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
std::shared_ptr< Analyzer::Expr >	rewrite_agg_to_var (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
Public Member Functions inherited from Analyzer::ColumnVar
	ColumnVar (const SQLTypeInfo &ti, const shared::ColumnKey &column_key, int32_t rte_idx)
const shared::ColumnKey &	getColumnKey () const
shared::TableKey	getTableKey () const
int32_t	get_rte_idx () const
void	set_rte_idx (int32_t new_rte_idx)
EncodingType	get_compression () const
void	group_predicates (std::list< const Expr * > &scan_predicates, std::list< const Expr * > &join_predicates, std::list< const Expr * > &const_predicates) const override
void	collect_rte_idx (std::set< int32_t > &rte_idx_set) const override
void	collect_column_var (std::set< const ColumnVar *, bool(*)(const ColumnVar *, const ColumnVar *)> &colvar_set, bool include_agg) const override
bool	operator== (const Expr &rhs) const override
Public Member Functions inherited from Analyzer::Expr
	Expr (SQLTypes t, bool notnull)
	Expr (SQLTypes t, int d, bool notnull)
	Expr (SQLTypes t, int d, int s, bool notnull)
	Expr (const SQLTypeInfo &ti, bool has_agg=false)
virtual	~Expr ()
std::shared_ptr< Analyzer::Expr >	get_shared_ptr ()
const SQLTypeInfo &	get_type_info () const
void	set_type_info (const SQLTypeInfo &ti)
bool	get_contains_agg () const
void	set_contains_agg (bool a)
virtual std::shared_ptr < Analyzer::Expr >	add_cast (const SQLTypeInfo &new_type_info)
virtual std::shared_ptr < Analyzer::Expr >	normalize_simple_predicate (int &rte_idx) const
virtual void	collect_rte_idx (std::set< int > &rte_idx_set) const
virtual size_t	get_num_column_vars (const bool include_agg) const
virtual void	print () const
virtual void	add_unique (std::list< const Expr * > &expr_list) const
virtual void	find_expr (std::function< bool(const Expr *)> f, std::list< const Expr * > &expr_list) const
std::shared_ptr< Analyzer::Expr >	decompress ()
virtual void	get_domain (DomainSet &domain_set) const

Private Attributes
WhichRow	which_row
int32_t	varno

Additional Inherited Members
Static Public Member Functions inherited from Analyzer::ColumnVar
static bool	colvar_comp (const ColumnVar *l, const ColumnVar *r)
Protected Attributes inherited from Analyzer::ColumnVar
shared::ColumnKey	column_key_
int32_t	rte_idx_
Protected Attributes inherited from Analyzer::Expr
SQLTypeInfo	type_info
bool	contains_agg

Detailed Description

Definition at line 275 of file Analyzer.h.

Member Enumeration Documentation

enum Analyzer::Var::WhichRow

Enumerator
kINPUT_OUTER
kINPUT_INNER
kOUTPUT
kGROUPBY

Definition at line 277 of file Analyzer.h.

{ kINPUT_OUTER, kINPUT_INNER, kOUTPUT, kGROUPBY };

Constructor & Destructor Documentation

Analyzer::Var::Var ( const SQLTypeInfo &  ti, const shared::ColumnKey &  column_key, int32_t  rte_idx, WhichRow  o, int32_t  v  )

inline

Definition at line 278 of file Analyzer.h.

      : ColumnVar(ti, column_key, rte_idx), which_row(o), varno(v) {}

Analyzer::Var::Var ( const SQLTypeInfo &  ti, WhichRow  o, int32_t  v  )

inline

Definition at line 284 of file Analyzer.h.

      : ColumnVar(ti, {0, 0, 0}, -1), which_row(o), varno(v) {}

Member Function Documentation

void Analyzer::Var::check_group_by ( const std::list< std::shared_ptr< Analyzer::Expr >> &  groupby ) const

overridevirtual

Reimplemented from Analyzer::ColumnVar.

Definition at line 1526 of file Analyzer.cpp.

References kGROUPBY, and which_row.

                                                               {
  if (which_row != kGROUPBY) {
    throw std::runtime_error("Internal error: invalid VAR in GROUP BY or HAVING.");
  }
}

void Analyzer::Var::collect_rte_idx ( std::set< int32_t > &  rte_idx_set ) const

inlineoverride

Definition at line 294 of file Analyzer.h.

                                                                    {
    rte_idx_set.insert(-1);
  }

std::shared_ptr< Analyzer::Expr > Analyzer::Var::deep_copy ( ) const

overridevirtual

Reimplemented from Analyzer::ColumnVar.

Definition at line 87 of file Analyzer.cpp.

References Analyzer::ColumnVar::column_key_, Analyzer::ColumnVar::rte_idx_, Analyzer::Expr::type_info, varno, and which_row.

Referenced by Parser::ColumnRef::analyze(), rewrite_with_child_targetlist(), rewrite_with_targetlist(), and DeepCopyVisitor::visitVar().

                                                 {
  return makeExpr<Var>(type_info, column_key_, rte_idx_, which_row, varno);
}

Here is the caller graph for this function:

int32_t Analyzer::Var::get_varno ( ) const

inline

Definition at line 288 of file Analyzer.h.

References varno.

Referenced by Analyzer::ColumnVar::operator==(), anonymous_namespace{QueryMemoryDescriptor.cpp}::target_expr_group_by_indices(), and ScalarExprToSql::visitVar().

{ return varno; }

Here is the caller graph for this function:

WhichRow Analyzer::Var::get_which_row ( ) const

inline

Definition at line 286 of file Analyzer.h.

References which_row.

Referenced by Parser::ColumnRef::analyze(), and Analyzer::ColumnVar::operator==().

{ return which_row; }

Here is the caller graph for this function:

std::shared_ptr< Analyzer::Expr > Analyzer::Var::rewrite_agg_to_var ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist ) const

overridevirtual

Reimplemented from Analyzer::ColumnVar.

Definition at line 2026 of file Analyzer.cpp.

References Analyzer::Expr::get_type_info(), kINPUT_OUTER, and varno.

                                                              {
  int varno = 1;
  for (auto tle : tlist) {
    const Expr* e = tle->get_expr();
    if (*e == *this) {
      return makeExpr<Var>(e->get_type_info(), Var::kINPUT_OUTER, varno);
    }
    varno++;
  }
  throw std::runtime_error(
      "Internal error: cannot find Var from having clause in targetlist.");
}

Here is the call graph for this function:

std::shared_ptr<Analyzer::Expr> Analyzer::Var::rewrite_with_child_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist ) const

inlineoverridevirtual

Reimplemented from Analyzer::ColumnVar.

Definition at line 301 of file Analyzer.h.

References deep_copy().

                                                                         {
    return deep_copy();
  }

Here is the call graph for this function:

std::shared_ptr<Analyzer::Expr> Analyzer::Var::rewrite_with_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist ) const

inlineoverridevirtual

Reimplemented from Analyzer::ColumnVar.

Definition at line 297 of file Analyzer.h.

References deep_copy().

                                                                         {
    return deep_copy();
  }

Here is the call graph for this function:

void Analyzer::Var::set_varno ( int32_t  n )

inline

Definition at line 289 of file Analyzer.h.

References anonymous_namespace{Utm.h}::n, and varno.

{ varno = n; }

void Analyzer::Var::set_which_row ( WhichRow  r )

inline

Definition at line 287 of file Analyzer.h.

References which_row.

{ which_row = r; }

std::string Analyzer::Var::toString ( ) const

overridevirtual

Reimplemented from Analyzer::ColumnVar.

Definition at line 2733 of file Analyzer.cpp.

References Analyzer::ColumnVar::column_key_, Analyzer::ColumnVar::rte_idx_, to_string(), varno, and which_row.

                              {
  std::stringstream ss;
  ss << "(Var " << column_key_ << ", rte: " << std::to_string(rte_idx_)
     << ", which_row: " << std::to_string(which_row)
     << ", varno: " << std::to_string(varno) + ") ";
  return ss.str();
}

Here is the call graph for this function:

Analyzer::Var::varno ( v  )

inline

Definition at line 285 of file Analyzer.h.

: ColumnVar(ti, {0, 0, 0}, -1), which_row(o), varno(v) {}

Analyzer::Var::which_row

(

o

)

Member Data Documentation

int32_t Analyzer::Var::varno

private

Definition at line 312 of file Analyzer.h.

Referenced by deep_copy(), get_varno(), rewrite_agg_to_var(), set_varno(), and toString().

WhichRow Analyzer::Var::which_row

private

Definition at line 309 of file Analyzer.h.

Referenced by check_group_by(), deep_copy(), get_which_row(), set_which_row(), and toString().

---

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

• /home/jenkins-slave/workspace/core-os-doxygen/Analyzer/Analyzer.h
• /home/jenkins-slave/workspace/core-os-doxygen/Analyzer/Analyzer.cpp