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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

◆ qual_to_conjunctive_form()

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

Definition at line 1708 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().

1709  {
1710  CHECK(qual_expr);
1711  auto bin_oper = std::dynamic_pointer_cast<const Analyzer::BinOper>(qual_expr);
1712  if (!bin_oper) {
1713  const auto rewritten_qual_expr = rewrite_expr(qual_expr.get());
1714  return {{}, {rewritten_qual_expr ? rewritten_qual_expr : qual_expr}};
1715  }
1716 
1717  if (bin_oper->get_optype() == kAND) {
1718  const auto lhs_cf = qual_to_conjunctive_form(bin_oper->get_own_left_operand());
1719  const auto rhs_cf = qual_to_conjunctive_form(bin_oper->get_own_right_operand());
1720  auto simple_quals = lhs_cf.simple_quals;
1721  simple_quals.insert(
1722  simple_quals.end(), rhs_cf.simple_quals.begin(), rhs_cf.simple_quals.end());
1723  auto quals = lhs_cf.quals;
1724  quals.insert(quals.end(), rhs_cf.quals.begin(), rhs_cf.quals.end());
1725  return {simple_quals, quals};
1726  }
1727  int rte_idx{0};
1728  const auto simple_qual = bin_oper->normalize_simple_predicate(rte_idx);
1729  return simple_qual ? QualsConjunctiveForm{{simple_qual}, {}}
1730  : QualsConjunctiveForm{{}, {qual_expr}};
1731 }
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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◆ qual_to_disjunctive_form()

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

Definition at line 1733 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().

1734  {
1735  CHECK(qual_expr);
1736  const auto bin_oper = std::dynamic_pointer_cast<const Analyzer::BinOper>(qual_expr);
1737  if (!bin_oper) {
1738  const auto rewritten_qual_expr = rewrite_expr(qual_expr.get());
1739  return {rewritten_qual_expr ? rewritten_qual_expr : qual_expr};
1740  }
1741  if (bin_oper->get_optype() == kOR) {
1742  const auto lhs_df = qual_to_disjunctive_form(bin_oper->get_own_left_operand());
1743  const auto rhs_df = qual_to_disjunctive_form(bin_oper->get_own_right_operand());
1744  auto quals = lhs_df;
1745  quals.insert(quals.end(), rhs_df.begin(), rhs_df.end());
1746  return quals;
1747  }
1748  return {qual_expr};
1749 }
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

◆ func_resolve