Exemple #1
0
func (s *Stmt) Exec(args ...interface{}) error {
	s.args = fmt.Sprintf(" %v", []interface{}(args))
	rv := C.sqlite3_reset(s.stmt)
	if rv != 0 {
		return s.c.error(rv)
	}

	n := int(C.sqlite3_bind_parameter_count(s.stmt))
	if n != len(args) {
		return errors.New(fmt.Sprintf("incorrect argument count for Stmt.Exec: have %d want %d", len(args), n))
	}

	for i, v := range args {
		var str string
		switch v := v.(type) {
		case []byte:
			var p *byte
			if len(v) > 0 {
				p = &v[0]
			}
			if rv := C.my_bind_blob(s.stmt, C.int(i+1), unsafe.Pointer(p), C.int(len(v))); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case nil:
			if rv := C.sqlite3_bind_null(s.stmt, C.int(i+1)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case int:
			if rv := C.sqlite3_bind_int(s.stmt, C.int(i+1), C.int(v)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case bool:
			intVal := 0
			if v {
				intVal = 1
			}
			if rv := C.sqlite3_bind_int(s.stmt, C.int(i+1), C.int(intVal)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		default:
			str = fmt.Sprint(v)
		}

		cstr := C.CString(str)
		rv := C.my_bind_text(s.stmt, C.int(i+1), cstr, C.int(len(str)))
		C.free(unsafe.Pointer(cstr))
		if rv != 0 {
			return s.c.error(rv)
		}
	}
	return nil
}
Exemple #2
0
func (s *Stmt) Exec(args ...interface{}) error {
	s.args = fmt.Sprintf(" %v", []interface{}(args))
	rv := C.sqlite3_reset(s.stmt)
	if rv != 0 {
		return s.c.error(rv)
	}

	n := int(C.sqlite3_bind_parameter_count(s.stmt))
	if n != len(args) {
		return errors.New(fmt.Sprintf("incorrect argument count for Stmt.Exec: have %d want %d", len(args), n))
	}

	for i, v := range args {
		var str string
		var rv C.int
		if v == nil {
			rv = C.sqlite3_bind_null(s.stmt, C.int(i+1))
		} else {
			switch v := v.(type) {
			case []byte:
				var p *byte
				if len(v) > 0 {
					p = &v[0]
				}
				if rv := C.my_bind_blob(s.stmt, C.int(i+1), unsafe.Pointer(p), C.int(len(v))); rv != 0 {
					return s.c.error(rv)
				}
				continue

			case bool:
				if v {
					str = "1"
				} else {
					str = "0"
				}
			case time.Time:
				str = v.In(time.UTC).Format(ISO8601)
			case NullTime:
				if v.Valid {
					str = v.Time.Format(ISO8601)
				} else {
					if rv := C.sqlite3_bind_null(s.stmt, C.int(i+1)); rv != 0 {
						return s.c.error(rv)
					}
					continue
				}
			default:
				str = fmt.Sprint(v)
			}

			cstr := C.CString(str)
			rv = C.my_bind_text(s.stmt, C.int(i+1), cstr, C.int(len(str)))
			C.free(unsafe.Pointer(cstr))
		}
		if rv != 0 {
			return s.c.error(rv)
		}
	}
	return nil
}
Exemple #3
0
// BindReflect binds value to the specified host parameter of the prepared statement.
// Value's (reflect) Kind is used to find the storage class.
// The leftmost SQL parameter has an index of 1.
func (s *Stmt) BindReflect(index int, value interface{}) error {
	i := C.int(index)
	var rv C.int
	v := reflect.ValueOf(value)
	switch v.Kind() {
	case reflect.String:
		vs := v.String() // TODO NullIfEmptyString
		rv = C.my_bind_text(s.stmt, i, C.CString(vs), C.int(len(vs)))
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(v.Int()))
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
		ui := v.Uint()
		if ui > math.MaxInt64 {
			return s.specificError("int overflow")
		}
		rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(ui))
	case reflect.Bool:
		rv = C.sqlite3_bind_int(s.stmt, i, btocint(v.Bool()))
	case reflect.Float32, reflect.Float64:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(v.Float()))
	default:
		name, _ := s.BindParameterName(index)
		return s.specificError("unsupported type in Bind: %T (index: %d, name: %q)", value, index, name)
	}
	return s.error(rv, "Stmt.Bind")
}
Exemple #4
0
// BindByIndex binds value to the specified host parameter of the prepared statement.
// Value's type/kind is used to find the storage class.
// The leftmost SQL parameter has an index of 1.
func (s *Stmt) BindByIndex(index int, value interface{}) error {
	i := C.int(index)
	var rv C.int
	switch value := value.(type) {
	case nil:
		rv = C.sqlite3_bind_null(s.stmt, i)
	case string:
		if NullIfEmptyString && len(value) == 0 {
			rv = C.sqlite3_bind_null(s.stmt, i)
		} else {
			cs, l := cstring(value)
			rv = C.my_bind_text(s.stmt, i, cs, l)
		}
	case int:
		rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
	case int64:
		rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value))
	case byte:
		rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
	case bool:
		rv = C.sqlite3_bind_int(s.stmt, i, btocint(value))
	case float32:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(value))
	case float64:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(value))
	case []byte:
		var p *byte
		if len(value) > 0 {
			p = &value[0]
		}
		rv = C.my_bind_blob(s.stmt, i, unsafe.Pointer(p), C.int(len(value)))
	case time.Time:
		if NullIfZeroTime && value.IsZero() {
			rv = C.sqlite3_bind_null(s.stmt, i)
		} else {
			rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value.Unix()))
		}
	case ZeroBlobLength:
		rv = C.sqlite3_bind_zeroblob(s.stmt, i, C.int(value))
	case driver.Valuer:
		v, err := value.Value()
		if err != nil {
			return err
		}
		return s.BindByIndex(index, v)
	default:
		return s.BindReflect(index, value)
	}
	return s.error(rv, "Stmt.Bind")
}
Exemple #5
0
func (s *Stmt) Exec(args ...interface{}) os.Error {
	var rv C.int
	var str string
	var cstr *C.char

	if rv = C.sqlite3_reset(s.stmt); rv != 0 {
		return s.c.error(rv)
	}

	if n := int(C.sqlite3_bind_parameter_count(s.stmt)); n != len(args) {
		return os.NewError(fmt.Sprintf("incorrect argument count: have %d, want %d", len(args), n))
	}

	for i, v := range args {
		switch v := v.(type) {
		case []byte:
			var p *byte

			if len(v) > 0 {
				p = &v[0]
			}

			if rv = C.my_bind_blob(s.stmt, C.int(i+1), unsafe.Pointer(p), C.int(len(v))); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case bool:
			if v {
				str = "1"
			} else {
				str = "0"
			}

		default:
			str = fmt.Sprint(v)
		}

		cstr = C.CString(str)
		rv = C.my_bind_text(s.stmt, C.int(i+1), cstr, C.int(len(str)))
		C.free(unsafe.Pointer(cstr))

		if rv != 0 {
			return s.c.error(rv)
		}
	}
	return nil
}
Exemple #6
0
// BindByIndex binds value to the specified host parameter of the prepared statement.
// The leftmost SQL parameter has an index of 1.
func (s *Stmt) BindByIndex(index int, value interface{}) error {
	i := C.int(index)
	var rv C.int
	switch value := value.(type) {
	case nil:
		rv = C.sqlite3_bind_null(s.stmt, i)
	case string:
		cs, l := cstring(value)
		rv = C.my_bind_text(s.stmt, i, cs, l)
	case int:
		rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
	case int64:
		rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value))
	case byte:
		rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
	case bool:
		rv = C.sqlite3_bind_int(s.stmt, i, btocint(value))
	case float32:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(value))
	case float64:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(value))
	case []byte:
		var p *byte
		if len(value) > 0 {
			p = &value[0]
		}
		rv = C.my_bind_blob(s.stmt, i, unsafe.Pointer(p), C.int(len(value)))
	case time.Time: // At least three representations are possible: string (YYYY-MM-DD HH:MM:SS.SSS), int64 (unix time), float64 (julian day)
		// rv = C.my_bind_text(s.stmt, i, value.format("2006-01-02 15:04:05.000"))
		rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value.Unix()))
		// rv = C.sqlite3_bind_double(s.stmt, i, JulianDay(value))
	case ZeroBlobLength:
		rv = C.sqlite3_bind_zeroblob(s.stmt, i, C.int(value))
	default:
		return s.specificError("unsupported type in Bind: %T", value)
	}
	return s.error(rv, "Stmt.Bind")
}
Exemple #7
0
// BindByIndex binds value to the specified host parameter of the prepared statement.
// Value's type/kind is used to find the storage class.
// The leftmost SQL parameter has an index of 1.
func (s *Stmt) BindByIndex(index int, value interface{}) error {
	i := C.int(index)
	var rv C.int
	switch value := value.(type) {
	case nil:
		rv = C.sqlite3_bind_null(s.stmt, i)
	case string:
		if len(value) == 0 {
			if NullIfEmptyString {
				rv = C.sqlite3_bind_null(s.stmt, i)
			} else {
				rv = C.my_bind_empty_text(s.stmt, i)
			}
		} else {
			if i64 && len(value) > math.MaxInt32 {
				return s.specificError("string too big: %d at index %d", len(value), index)
			}
			rv = C.my_bind_text(s.stmt, i, C.CString(value), C.int(len(value)))
		}
	case int:
		if i64 {
			rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value))
		} else {
			rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
		}
	case int32:
		rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
	case int64:
		rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value))
	case byte:
		rv = C.sqlite3_bind_int(s.stmt, i, C.int(value))
	case bool:
		rv = C.sqlite3_bind_int(s.stmt, i, btocint(value))
	case float32:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(value))
	case float64:
		rv = C.sqlite3_bind_double(s.stmt, i, C.double(value))
	case []byte:
		if i64 && len(value) > math.MaxInt32 {
			return s.specificError("blob too big: %d at index %d", len(value), index)
		}
		var p *byte
		if len(value) > 0 {
			p = &value[0]
		}
		rv = C.my_bind_blob(s.stmt, i, unsafe.Pointer(p), C.int(len(value)))
	case time.Time:
		if NullIfZeroTime && value.IsZero() {
			rv = C.sqlite3_bind_null(s.stmt, i)
		} else if s.c.DefaultTimeLayout == "" {
			rv = C.sqlite3_bind_int64(s.stmt, i, C.sqlite3_int64(value.Unix()))
		} else {
			v := value.Format(s.c.DefaultTimeLayout)
			rv = C.my_bind_text(s.stmt, i, C.CString(v), C.int(len(v)))
		}
	case ZeroBlobLength:
		rv = C.sqlite3_bind_zeroblob(s.stmt, i, C.int(value))
	case driver.Valuer:
		v, err := value.Value()
		if err != nil {
			return err
		}
		return s.BindByIndex(index, v)
	default:
		return s.BindReflect(index, value)
	}
	return s.error(rv, "Stmt.Bind")
}
Exemple #8
0
func (s *stmt) start(args []driver.Value) error {
	if err := s.reset(); err != nil {
		return err
	}

	n := int(C.sqlite3_bind_parameter_count(s.stmt))
	if n != len(args) {
		return fmt.Errorf("incorrect argument count for command: have %d want %d", len(args), n)
	}

	for i, v := range args {
		var str string
		switch v := v.(type) {
		case nil:
			if rv := C.sqlite3_bind_null(s.stmt, C.int(i+1)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case float64:
			if rv := C.sqlite3_bind_double(s.stmt, C.int(i+1), C.double(v)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case int64:
			if rv := C.sqlite3_bind_int64(s.stmt, C.int(i+1), C.sqlite3_int64(v)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case []byte:
			var p *byte
			if len(v) > 0 {
				p = &v[0]
			}
			if rv := C.my_bind_blob(s.stmt, C.int(i+1), unsafe.Pointer(p), C.int(len(v))); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case bool:
			var vi int64
			if v {
				vi = 1
			}
			if rv := C.sqlite3_bind_int64(s.stmt, C.int(i+1), C.sqlite3_int64(vi)); rv != 0 {
				return s.c.error(rv)
			}
			continue

		case time.Time:
			str = v.UTC().Format(timefmt[0])

		case string:
			str = v

		default:
			str = fmt.Sprint(v)
		}

		cstr := C.CString(str)
		rv := C.my_bind_text(s.stmt, C.int(i+1), cstr, C.int(len(str)))
		C.free(unsafe.Pointer(cstr))
		if rv != 0 {
			return s.c.error(rv)
		}
	}

	return nil
}