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RelAlgTranslator.h File Reference
#include "Execute.h"
#include "RelAlgDagBuilder.h"
#include <ctime>
#include <memory>
#include <unordered_map>
#include <vector>
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Classes

class  RelAlgTranslator
 
struct  QualsConjunctiveForm
 

Namespaces

 Analyzer
 
 Catalog_Namespace
 
 query_state
 

Functions

QualsConjunctiveForm qual_to_conjunctive_form (const std::shared_ptr< Analyzer::Expr > qual_expr)
 
std::vector< std::shared_ptr
< Analyzer::Expr > > 
qual_to_disjunctive_form (const std::shared_ptr< Analyzer::Expr > &qual_expr)
 

Variables

auto func_resolve
 

Function Documentation

QualsConjunctiveForm qual_to_conjunctive_form ( const std::shared_ptr< Analyzer::Expr qual_expr)

Definition at line 1729 of file RelAlgTranslator.cpp.

References CHECK, kAND, qual_to_conjunctive_form(), rewrite_expr(), and QualsConjunctiveForm::simple_quals.

Referenced by anonymous_namespace{IRCodegen.cpp}::add_qualifier_to_execution_unit(), RelAlgExecutor::makeJoinQuals(), qual_to_conjunctive_form(), anonymous_namespace{RelAlgExecutor.cpp}::reverse_logical_distribution(), Executor::skipFragmentInnerJoins(), and anonymous_namespace{RelAlgExecutor.cpp}::translate_quals().

1730  {
1731  CHECK(qual_expr);
1732  auto bin_oper = std::dynamic_pointer_cast<const Analyzer::BinOper>(qual_expr);
1733  if (!bin_oper) {
1734  const auto rewritten_qual_expr = rewrite_expr(qual_expr.get());
1735  return {{}, {rewritten_qual_expr ? rewritten_qual_expr : qual_expr}};
1736  }
1737 
1738  if (bin_oper->get_optype() == kAND) {
1739  const auto lhs_cf = qual_to_conjunctive_form(bin_oper->get_own_left_operand());
1740  const auto rhs_cf = qual_to_conjunctive_form(bin_oper->get_own_right_operand());
1741  auto simple_quals = lhs_cf.simple_quals;
1742  simple_quals.insert(
1743  simple_quals.end(), rhs_cf.simple_quals.begin(), rhs_cf.simple_quals.end());
1744  auto quals = lhs_cf.quals;
1745  quals.insert(quals.end(), rhs_cf.quals.begin(), rhs_cf.quals.end());
1746  return {simple_quals, quals};
1747  }
1748  int rte_idx{0};
1749  const auto simple_qual = bin_oper->normalize_simple_predicate(rte_idx);
1750  return simple_qual ? QualsConjunctiveForm{{simple_qual}, {}}
1751  : QualsConjunctiveForm{{}, {qual_expr}};
1752 }
Analyzer::ExpressionPtr rewrite_expr(const Analyzer::Expr *expr)
QualsConjunctiveForm qual_to_conjunctive_form(const std::shared_ptr< Analyzer::Expr > qual_expr)
Definition: sqldefs.h:37
#define CHECK(condition)
Definition: Logger.h:197
const std::list< std::shared_ptr< Analyzer::Expr > > simple_quals

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std::vector<std::shared_ptr<Analyzer::Expr> > qual_to_disjunctive_form ( const std::shared_ptr< Analyzer::Expr > &  qual_expr)

Definition at line 1754 of file RelAlgTranslator.cpp.

References CHECK, kOR, qual_to_disjunctive_form(), and rewrite_expr().

Referenced by qual_to_disjunctive_form(), and anonymous_namespace{RelAlgExecutor.cpp}::reverse_logical_distribution().

1755  {
1756  CHECK(qual_expr);
1757  const auto bin_oper = std::dynamic_pointer_cast<const Analyzer::BinOper>(qual_expr);
1758  if (!bin_oper) {
1759  const auto rewritten_qual_expr = rewrite_expr(qual_expr.get());
1760  return {rewritten_qual_expr ? rewritten_qual_expr : qual_expr};
1761  }
1762  if (bin_oper->get_optype() == kOR) {
1763  const auto lhs_df = qual_to_disjunctive_form(bin_oper->get_own_left_operand());
1764  const auto rhs_df = qual_to_disjunctive_form(bin_oper->get_own_right_operand());
1765  auto quals = lhs_df;
1766  quals.insert(quals.end(), rhs_df.begin(), rhs_df.end());
1767  return quals;
1768  }
1769  return {qual_expr};
1770 }
Definition: sqldefs.h:38
Analyzer::ExpressionPtr rewrite_expr(const Analyzer::Expr *expr)
#define CHECK(condition)
Definition: Logger.h:197
std::vector< std::shared_ptr< Analyzer::Expr > > qual_to_disjunctive_form(const std::shared_ptr< Analyzer::Expr > &qual_expr)

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Variable Documentation