Пример #1
0
func SQLBindParameter(statementHandle SQLHSTMT, parameterNumber SQLUSMALLINT, inputOutputType SQLSMALLINT, valueType SQLSMALLINT, parameterType SQLSMALLINT, columnSize SQLULEN, decimalDigits SQLSMALLINT, parameterValue SQLPOINTER, bufferLength SQLLEN, ind *SQLLEN) (ret SQLRETURN) {
	r := C.SQLBindParameter(C.SQLHSTMT(statementHandle), C.SQLUSMALLINT(parameterNumber), C.SQLSMALLINT(inputOutputType), C.SQLSMALLINT(valueType), C.SQLSMALLINT(parameterType), C.SQLULEN(columnSize), C.SQLSMALLINT(decimalDigits), C.SQLPOINTER(parameterValue), C.SQLLEN(bufferLength), (*C.SQLLEN)(ind))
	return SQLRETURN(r)
}
Пример #2
0
func (stmt *Statement) BindParam(index int, param interface{}) *ODBCError {
	var ValueType C.SQLSMALLINT
	var ParameterType C.SQLSMALLINT
	var ColumnSize C.SQLULEN
	var DecimalDigits C.SQLSMALLINT
	var ParameterValuePtr C.SQLPOINTER
	var BufferLength C.SQLLEN
	var StrLen_or_IndPt C.SQLLEN
	v := reflect.ValueOf(param)
	if param == nil {
		ft, _, _, _, err := stmt.GetParamType(index)
		if err != nil {
			return err
		}
		ParameterType = C.SQLSMALLINT(ft)
		if ParameterType == C.SQL_UNKNOWN_TYPE {
			ParameterType = C.SQL_VARCHAR
		}
		ValueType = C.SQL_C_DEFAULT
		StrLen_or_IndPt = C.SQL_NULL_DATA
		ColumnSize = 1
	} else {
		switch v.Kind() {
		case reflect.Bool:
			ParameterType = C.SQL_BIT
			ValueType = C.SQL_C_BIT
			var b [1]byte
			if v.Bool() {
				b[0] = 1
			} else {
				b[0] = 0
			}
			ParameterValuePtr = C.SQLPOINTER(unsafe.Pointer(&b[0]))
			BufferLength = 1
			StrLen_or_IndPt = 0
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			switch v.Type().Kind() {
			case reflect.Int:
			case reflect.Int8, reflect.Int16, reflect.Int32:
				ParameterType = C.SQL_INTEGER
				ValueType = C.SQL_C_LONG
				var l C.long = C.long(v.Int())
				ParameterValuePtr = C.SQLPOINTER(unsafe.Pointer(&l))
				BufferLength = 4
				StrLen_or_IndPt = 0
			case reflect.Int64:
				ParameterType = C.SQL_BIGINT
				ValueType = C.SQL_C_SBIGINT
				var ll C.longlong = C.longlong(v.Int())
				ParameterValuePtr = C.SQLPOINTER(unsafe.Pointer(&ll))
				BufferLength = 8
				StrLen_or_IndPt = 0
			}
		case reflect.Float32, reflect.Float64:
			ParameterType = C.SQL_DOUBLE
			ValueType = C.SQL_C_DOUBLE
			var d C.double = C.double(v.Float())
			ParameterValuePtr = C.SQLPOINTER(unsafe.Pointer(&d))
			BufferLength = 8
			StrLen_or_IndPt = 0
		case reflect.Complex64, reflect.Complex128:
		case reflect.String:
			var slen C.SQLUINTEGER = C.SQLUINTEGER(len(v.String()))
			ParameterType = C.SQL_VARCHAR
			ValueType = C.SQL_C_CHAR
			s := []byte(v.String())
			ParameterValuePtr = C.SQLPOINTER(unsafe.Pointer(&s[0]))
			ColumnSize = C.SQLULEN(slen)
			BufferLength = C.SQLLEN(slen + 1)
			StrLen_or_IndPt = C.SQLLEN(slen)
		default:
			fmt.Println("Not support type", v)
		}
	}
	ret := C.SQLBindParameter(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(index), C.SQL_PARAM_INPUT, ValueType, ParameterType, ColumnSize, DecimalDigits, ParameterValuePtr, BufferLength, &StrLen_or_IndPt)
	if !Success(ret) {
		err := FormatError(C.SQL_HANDLE_STMT, stmt.handle)
		return err
	}

	return nil
}