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// file : odb/relational/oracle/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_ORACLE_CONTEXT_HXX
#define ODB_RELATIONAL_ORACLE_CONTEXT_HXX
#include <vector>
#include <odb/relational/context.hxx>
namespace relational
{
namespace oracle
{
struct sql_type
{
// Keep the order in each block of types.
//
enum core_type
{
// Numeric types.
//
NUMBER,
FLOAT,
// Floating point types.
//
BINARY_FLOAT,
BINARY_DOUBLE,
// Data-time types.
//
DATE,
TIMESTAMP,
// String and binary types.
//
CHAR,
NCHAR,
VARCHAR2,
NVARCHAR2,
RAW,
// LOB types.
//
BLOB,
CLOB,
NCLOB,
// Invalid type.
//
invalid
};
sql_type () :
type (invalid), range (false), scale (false), byte_semantics (true)
{
}
core_type type;
bool range;
unsigned short range_value; // Oracle max value is 4000.
bool scale;
short scale_value; // Oracle min value is -84. Max value is 127.
bool byte_semantics;
};
class context: public virtual relational::context
{
public:
sql_type const&
column_sql_type (semantics::data_member&,
string const& key_prefix = string ());
static bool
unsigned_integer (semantics::type&);
protected:
virtual string
quote_id_impl (string const&) const;
protected:
virtual string
database_type_impl (semantics::type&, semantics::names*, bool);
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_ORACLE_CONTEXT_HXX
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