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

class  RelAlgTranslator
 
struct  QualsConjunctiveForm
 

Namespaces

 Analyzer
 
 Catalog_Namespace
 

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 1655 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().

1656  {
1657  CHECK(qual_expr);
1658  auto bin_oper = std::dynamic_pointer_cast<const Analyzer::BinOper>(qual_expr);
1659  if (!bin_oper) {
1660  const auto rewritten_qual_expr = rewrite_expr(qual_expr.get());
1661  return {{}, {rewritten_qual_expr ? rewritten_qual_expr : qual_expr}};
1662  }
1663 
1664  if (bin_oper->get_optype() == kAND) {
1665  const auto lhs_cf = qual_to_conjunctive_form(bin_oper->get_own_left_operand());
1666  const auto rhs_cf = qual_to_conjunctive_form(bin_oper->get_own_right_operand());
1667  auto simple_quals = lhs_cf.simple_quals;
1668  simple_quals.insert(
1669  simple_quals.end(), rhs_cf.simple_quals.begin(), rhs_cf.simple_quals.end());
1670  auto quals = lhs_cf.quals;
1671  quals.insert(quals.end(), rhs_cf.quals.begin(), rhs_cf.quals.end());
1672  return {simple_quals, quals};
1673  }
1674  int rte_idx{0};
1675  const auto simple_qual = bin_oper->normalize_simple_predicate(rte_idx);
1676  return simple_qual ? QualsConjunctiveForm{{simple_qual}, {}}
1677  : QualsConjunctiveForm{{}, {qual_expr}};
1678 }
Analyzer::ExpressionPtr rewrite_expr(const Analyzer::Expr *expr)
QualsConjunctiveForm qual_to_conjunctive_form(const std::shared_ptr< Analyzer::Expr > qual_expr)
CHECK(cgen_state)
Definition: sqldefs.h:37
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 1680 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().

1681  {
1682  CHECK(qual_expr);
1683  const auto bin_oper = std::dynamic_pointer_cast<const Analyzer::BinOper>(qual_expr);
1684  if (!bin_oper) {
1685  const auto rewritten_qual_expr = rewrite_expr(qual_expr.get());
1686  return {rewritten_qual_expr ? rewritten_qual_expr : qual_expr};
1687  }
1688  if (bin_oper->get_optype() == kOR) {
1689  const auto lhs_df = qual_to_disjunctive_form(bin_oper->get_own_left_operand());
1690  const auto rhs_df = qual_to_disjunctive_form(bin_oper->get_own_right_operand());
1691  auto quals = lhs_df;
1692  quals.insert(quals.end(), rhs_df.begin(), rhs_df.end());
1693  return quals;
1694  }
1695  return {qual_expr};
1696 }
Definition: sqldefs.h:38
Analyzer::ExpressionPtr rewrite_expr(const Analyzer::Expr *expr)
CHECK(cgen_state)
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