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// file : odb/semantics/relational/column.hxx
// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#ifndef ODB_SEMANTICS_RELATIONAL_COLUMN_HXX
#define ODB_SEMANTICS_RELATIONAL_COLUMN_HXX
#include <odb/semantics/relational/elements.hxx>
#include <odb/semantics/relational/table.hxx>
namespace semantics
{
namespace relational
{
class contains;
class column: public unameable
{
typedef std::vector<contains*> contained_list;
public:
string const&
type () const {return type_;}
bool
null () const {return null_;}
void
null (bool n) {null_ = n;}
string const&
default_ () const {return default__;}
void
default_ (string const& d) {default__ = d;}
string const&
options () const {return options_;}
void
options (string const& o) {options_ = o;}
public:
typedef relational::table table_type;
table_type&
table () const
{
return dynamic_cast<table_type&> (scope ());
}
// Key containment.
//
public:
typedef
pointer_iterator<contained_list::const_iterator>
contained_iterator;
contained_iterator
contained_begin () const {return contained_.begin ();}
contained_iterator
contained_end () const {return contained_.end ();}
public:
column (string const& id, string const& type, bool null)
: unameable (id), type_ (type), null_ (null)
{
}
column (column const&, uscope&, graph&);
column (xml::parser&, uscope&, graph&);
virtual column&
clone (uscope&, graph&) const;
void
add_edge_right (contains& e)
{
contained_.push_back (&e);
}
using unameable::add_edge_right;
virtual string
kind () const
{
return "column";
}
virtual void
serialize (xml::serializer&) const;
protected:
void
serialize_attributes (xml::serializer&) const;
private:
string type_;
bool null_;
string default__;
string options_;
contained_list contained_;
};
class add_column: public column
{
public:
add_column (string const& id, string const& type, bool null)
: column (id, type, null) {}
add_column (column const& c, uscope& s, graph& g): column (c, s, g) {}
add_column (xml::parser& p, uscope& s, graph& g): column (p, s, g) {}
virtual add_column&
clone (uscope&, graph&) const;
virtual string
kind () const {return "add column";}
virtual void
serialize (xml::serializer&) const;
};
class drop_column: public unameable
{
public:
drop_column (string const& id): unameable (id) {}
drop_column (drop_column const& c, uscope&, graph& g)
: unameable (c, g) {}
drop_column (xml::parser&, uscope&, graph&);
virtual drop_column&
clone (uscope&, graph&) const;
virtual string
kind () const {return "drop column";}
virtual void
serialize (xml::serializer&) const;
};
class alter_column: public unameable
{
public:
bool
null_altered () const {return null_altered_;}
bool
null () const {return null_;}
void
null (bool n) {null_ = n; null_altered_ = true;}
public:
alter_column (string const& id)
: unameable (id), null_altered_ (false)
{
}
alter_column (alter_column const&, uscope&, graph&);
alter_column (xml::parser&, uscope&, graph&);
virtual alter_column&
clone (uscope&, graph&) const;
virtual string
kind () const
{
return "alter column";
}
virtual void
serialize (xml::serializer&) const;
private:
bool null_altered_;
bool null_;
};
}
}
#endif // ODB_SEMANTICS_RELATIONAL_COLUMN_HXX
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