rdbModel::Query Class Reference

#include <Query.h>

Public Member Functions
	Query (Table *table, const std::vector< std::string > *toSelect=0, Assertion *pAssert=0)
	~Query ()
const std::vector< std::string > &	getToSelect () const
const Assertion *	getAssertion () const
const Table *	getTable () const
void	addSelect (const std::string &col)
Visitor::VisitorState	accept (Visitor *v)

Detailed Description

A query consists of a list of columns to be selected from rows in the table satisfying an assertion. For now, all elements in the assertion must refer to the same table.

Definition at line 18 of file Query.h.

Constructor & Destructor Documentation

Query()

rdbModel::Query::Query	(	Table *	table,
		const std::vector< std::string > *	toSelect = 0,
		Assertion *	pAssert = 0
	)

Definition at line 8 of file Query.cxx.

                                   : m_myTable(table), m_assert(pAssert) {
    m_toSelect.clear();
 
    if (toSelect != 0) {
      unsigned n = toSelect->size();
      m_toSelect.reserve(n);
      for (unsigned i = 0; i < n; i++) {
        m_toSelect.push_back((*toSelect)[i]);
      }
    }
    
  }

~Query()

rdbModel::Query::~Query

(

)

Definition at line 22 of file Query.cxx.

                {
    m_toSelect.clear();
    //    delete pAssert;   // ??   This is probably already done by ~Table
  }

Member Function Documentation

accept()

Visitor::VisitorState rdbModel::Query::accept

(

Visitor *

v

)

Definition at line 27 of file Query.cxx.

                                              {
    Visitor::VisitorState state = v->visitQuery(this);
    if (state == Visitor::VBRANCHDONE) return Visitor::VCONTINUE;
    return state;
  }

addSelect()

void rdbModel::Query::addSelect ( const std::string &  col )

inline

Definition at line 27 of file Query.h.

                                         {
      m_toSelect.push_back(col);
    }

getAssertion()

const Assertion * rdbModel::Query::getAssertion ( ) const

inline

Definition at line 25 of file Query.h.

{return m_assert;}

getTable()

const Table * rdbModel::Query::getTable ( ) const

inline

Definition at line 26 of file Query.h.

{return m_myTable;}

getToSelect()

const std::vector< std::string > & rdbModel::Query::getToSelect ( ) const

inline

Definition at line 24 of file Query.h.

{return m_toSelect;}

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

• Query.h
• Query.cxx