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// file : odb/relational/pgsql/context.hxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#ifndef ODB_RELATIONAL_PGSQL_CONTEXT_HXX
#define ODB_RELATIONAL_PGSQL_CONTEXT_HXX
#include <odb/relational/context.hxx>
namespace relational
{
namespace pgsql
{
struct sql_type
{
// Keep the order in each block of types.
//
enum core_type
{
// Integral types.
//
BOOLEAN,
SMALLINT,
INTEGER,
BIGINT,
// Float types.
//
REAL,
DOUBLE,
NUMERIC,
// Data-time types.
//
DATE,
TIME,
TIMESTAMP,
// String and binary types.
//
CHAR,
VARCHAR,
TEXT,
BYTEA,
BIT,
VARBIT,
// Other types.
//
UUID,
// Invalid type.
//
invalid
};
sql_type () : type (invalid), range (false) {}
core_type type;
bool range;
// VARBIT maximum length is 2^31 - 1 bit.
// String types can hold a maximum of 1GB of data.
//
unsigned int range_value;
};
class context: public virtual relational::context
{
public:
sql_type const&
column_sql_type (semantics::data_member&,
string const& key_prefix = string ());
protected:
virtual bool
grow_impl (semantics::class_&);
virtual bool
grow_impl (semantics::data_member&);
virtual bool
grow_impl (semantics::data_member&, semantics::type&, string const&);
protected:
virtual string
database_type_impl (semantics::type& t,
semantics::names* hint,
semantics::context& ctx,
column_type_flags f)
{
return base_context::database_type_impl (t, hint, ctx, f);
}
public:
virtual
~context ();
context ();
context (std::ostream&, semantics::unit&, options_type const&);
static context&
current ()
{
return *current_;
}
private:
static context* current_;
private:
struct data: base_context::data
{
data (std::ostream& os): base_context::data (os) {}
};
data* data_;
};
}
}
#endif // ODB_RELATIONAL_PGSQL_CONTEXT_HXX
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