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// file : mysql/custom/query.hxx
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef QUERY_HXX
#define QUERY_HXX
#include <string>
#include <odb/mysql/query.hxx>
#include "test.hxx" // point
namespace odb
{
namespace mysql
{
template <>
struct query_column<point, id_string>
{
private:
const char* table_;
const char* column_;
const char* conversion_;
std::string x_table_;
std::string y_table_;
std::string s_column_;
// Sub-columns for individual members.
//
public:
query_column<double, id_double> x, y;
// is_null, is_not_null
//
public:
query_base
is_null () const
{
query_base q (table_, column_);
q += "IS NULL";
return q;
}
query_base
is_not_null () const
{
query_base q (table_, column_);
q += "IS NOT NULL";
return q;
}
// =
//
public:
query_base
equal (const point& v) const
{
return equal (val_bind<point> (v));
}
query_base
equal (val_bind<point> v) const
{
query_base q (table_, column_);
q += "=";
q.append<point, id_string> (v, conversion_);
return q;
}
query_base
equal (ref_bind<point> r) const
{
query_base q (table_, column_);
q += "=";
q.append<point, id_string> (r, conversion_);
return q;
}
friend query_base
operator== (const query_column& c, const point& v)
{
return c.equal (v);
}
friend query_base
operator== (const point& v, const query_column& c)
{
return c.equal (v);
}
friend query_base
operator== (const query_column& c, val_bind<point> v)
{
return c.equal (v);
}
friend query_base
operator== (val_bind<point> v, const query_column& c)
{
return c.equal (v);
}
friend query_base
operator== (const query_column& c, ref_bind<point> r)
{
return c.equal (r);
}
friend query_base
operator== (ref_bind<point> r, const query_column& c)
{
return c.equal (r);
}
// Column comparison.
//
public:
query_base
operator== (const query_column<point, id_string>& c) const
{
query_base 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_table_ ("ST_X(" + std::string (table)), // @@ Not very clean.
y_table_ ("ST_Y(" + std::string (table)),
s_column_ (std::string (column) + ")"), // X & Y column suffix.
x (x_table_.c_str (), s_column_.c_str (), 0),
y (y_table_.c_str (), s_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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