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// file : pgsql/custom/query.hxx
// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef QUERY_HXX
#define QUERY_HXX
#include <string>
#include <odb/pgsql/query.hxx>
#include "test.hxx" // point
namespace odb
{
namespace pgsql
{
template <>
struct query_column<point, id_string>
{
private:
const char* table_;
const char* column_;
const char* conversion_;
std::string x_column_;
std::string y_column_;
// Sub-columns for individual members.
//
public:
query_column<double, id_double> x, y;
// is_null, is_not_null
//
public:
query
is_null () const
{
query q (table_, column_);
q += "IS NULL";
return q;
}
query
is_not_null () const
{
query q (table_, column_);
q += "IS NOT NULL";
return q;
}
// =
//
public:
query
equal (const point& v) const
{
return equal (val_bind<point> (v));
}
query
equal (val_bind<point> v) const
{
query q (table_, column_);
q += "~=";
q.append<point, id_string> (v, conversion_);
return q;
}
query
equal (ref_bind<point> r) const
{
query q (table_, column_);
q += "~=";
q.append<point, id_string> (r, conversion_);
return q;
}
friend query
operator== (const query_column& c, const point& v)
{
return c.equal (v);
}
friend query
operator== (const point& v, const query_column& c)
{
return c.equal (v);
}
friend query
operator== (const query_column& c, val_bind<point> v)
{
return c.equal (v);
}
friend query
operator== (val_bind<point> v, const query_column& c)
{
return c.equal (v);
}
friend query
operator== (const query_column& c, ref_bind<point> r)
{
return c.equal (r);
}
friend query
operator== (ref_bind<point> r, const query_column& c)
{
return c.equal (r);
}
// Column comparison.
//
public:
query
operator== (const query_column<point, id_string>& c) const
{
query q (table_, column_);
q += "~=";
q.append (c.table (), c.column ());
return q;
}
public:
query_column (const char* table, const char* column, const char* conv)
: table_ (table), column_ (column), conversion_ (conv),
x_column_ (std::string (column) + "[0]"),
y_column_ (std::string (column) + "[1]"),
x (table, x_column_.c_str (), 0),
y (table, y_column_.c_str (), 0)
{
}
const char*
table () const
{
return table_;
}
const char*
column () const
{
return column_;
}
const char*
conversion () const
{
return conversion_;
}
};
}
}
#endif // QUERY_HXX
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