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#ifndef ODBC_PARAM_H
#define ODBC_PARAM_H
#include <malloc.h>
#include <sqlext.h>
#include <glibmm/ustring.h>
#include "bind.h"
namespace ODBC {
class Command;
class Param : public virtual Bind {
public:
Param();
Param(Command *, unsigned int idx);
virtual ~Param() = 0;
void bind() const;
virtual SQLSMALLINT stype() const = 0; // The SQL type ID
virtual SQLINTEGER dp() const = 0; // The decimal place count
virtual const void * dataAddress() const = 0; // The address of the data
protected:
friend class Column;
mutable Command * paramCmd;
mutable unsigned int paramIdx;
mutable bool paramBound; // Has SqlBind(...) been called since last change of address?
SQLLEN dataLength;
};
class SignedIntegerParam : public Param {
public:
SignedIntegerParam() : Param() { }
SignedIntegerParam(Command * c, unsigned int i) : Param(c, i) { bindLen = size(); }
virtual SQLSMALLINT ctype() const { return SQL_C_LONG; }
virtual SQLSMALLINT stype() const { return SQL_C_LONG; }
virtual SQLULEN size() const { return sizeof(SQLINTEGER); }
virtual SQLINTEGER dp() const { return 0; }
virtual const void * dataAddress() const { return &data; }
void operator=(const SQLINTEGER & d) { data = d; }
protected:
SQLINTEGER data;
};
class UnsignedIntegerParam : public Param {
public:
UnsignedIntegerParam() : Param() { }
UnsignedIntegerParam(Command * c, unsigned int i) : Param(c, i) { bindLen = size(); }
virtual SQLSMALLINT ctype() const { return SQL_C_ULONG; }
virtual SQLSMALLINT stype() const { return SQL_C_ULONG; }
virtual SQLULEN size() const { return sizeof(SQLUINTEGER); }
virtual SQLINTEGER dp() const { return 0; }
virtual const void * dataAddress() const { return &data; }
void operator=(const SQLUINTEGER & d) { data = d; }
protected:
SQLUINTEGER data;
};
class FloatingPointParam : public Param {
public:
FloatingPointParam() : Param() { }
FloatingPointParam(Command * c, unsigned int i) : Param(c, i) { bindLen = size(); }
virtual SQLSMALLINT ctype() const { return SQL_C_DOUBLE; }
virtual SQLSMALLINT stype() const { return SQL_C_DOUBLE; }
virtual SQLULEN size() const { return sizeof(SQLDOUBLE); }
virtual SQLINTEGER dp() const { return 10; }
virtual const void * dataAddress() const { return &data; }
void operator=(const SQLDOUBLE & d) { data = d; }
protected:
SQLDOUBLE data;
};
class GlibUstringParam : public Param {
public:
GlibUstringParam() : Param() { }
GlibUstringParam(Command * c, unsigned int i) : Param(c, i) { bindLen = size(); }
virtual SQLSMALLINT ctype() const { return SQL_C_CHAR; }
virtual SQLSMALLINT stype() const { return SQL_CHAR; }
virtual SQLULEN size() const { return data.bytes(); }
virtual SQLINTEGER dp() const { return 0; }
virtual const void * dataAddress() const { return data.data(); }
void operator=(const Glib::ustring & d);
protected:
Glib::ustring data;
};
class TimeStampParam : public Param {
public:
TimeStampParam() : Param() { }
TimeStampParam(Command * c, unsigned int i) : Param(c, i) { bindLen = size(); }
virtual SQLSMALLINT ctype() const { return SQL_C_TYPE_TIMESTAMP; }
virtual SQLSMALLINT stype() const { return SQL_TYPE_TIMESTAMP; }
virtual SQLULEN size() const { return sizeof(SQL_TIMESTAMP_STRUCT); }
virtual SQLINTEGER dp() const { return 0; }
virtual const void * dataAddress() const { return &data; }
void operator=(const time_t & d);
void operator=(const struct tm * d) { data << *d; }
void operator=(const SQL_TIMESTAMP_STRUCT & d) { data = d; }
protected:
SQL_TIMESTAMP_STRUCT data;
};
class NullParam : public Param {
public:
NullParam() : Param() { }
NullParam(Command * c, unsigned int i) : Param(c, i) { bindLen = SQL_NULL_DATA; }
virtual SQLSMALLINT ctype() const { return SQL_C_LONG; }
virtual SQLSMALLINT stype() const { return SQL_C_LONG; }
virtual SQLULEN size() const { return 0; }
virtual SQLINTEGER dp() const { return 0; }
virtual const void * dataAddress() const { return NULL; }
};
}
#endif
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