Exemplo n.º 1
0
func (n *scanNode) unmarshalValue(kv client.KeyValue) (parser.Datum, bool) {
	kind, ok := n.colKind[n.colID]
	if !ok {
		n.err = fmt.Errorf("column-id \"%d\" does not exist", n.colID)
		return nil, false
	}
	if kv.Exists() {
		switch kind {
		case ColumnType_INT:
			return parser.DInt(kv.ValueInt()), true
		case ColumnType_BOOL:
			return parser.DBool(kv.ValueInt() != 0), true
		case ColumnType_FLOAT:
			return parser.DFloat(math.Float64frombits(uint64(kv.ValueInt()))), true
		case ColumnType_STRING, ColumnType_BYTES:
			return parser.DString(kv.ValueBytes()), true
		case ColumnType_DATE:
			var t time.Time
			if err := t.UnmarshalBinary(kv.ValueBytes()); err != nil {
				return nil, false
			}
			return parser.DDate{Time: t}, true
		case ColumnType_TIMESTAMP:
			var t time.Time
			if err := t.UnmarshalBinary(kv.ValueBytes()); err != nil {
				return nil, false
			}
			return parser.DTimestamp{Time: t}, true
		case ColumnType_INTERVAL:
			return parser.DInterval{Duration: time.Duration(kv.ValueInt())}, true
		}
	}
	return parser.DNull, true
}
Exemplo n.º 2
0
func unmarshalValue(col structured.ColumnDescriptor, kv client.KeyValue) parser.Datum {
	if kv.Exists() {
		switch col.Type.Kind {
		case structured.ColumnType_BIT, structured.ColumnType_INT:
			return parser.DInt(kv.ValueInt())
		case structured.ColumnType_FLOAT:
			return parser.DFloat(math.Float64frombits(uint64(kv.ValueInt())))
		case structured.ColumnType_CHAR, structured.ColumnType_TEXT,
			structured.ColumnType_BLOB:
			return parser.DString(kv.ValueBytes())
		}
	}
	return parser.DNull
}
Exemplo n.º 3
0
func unmarshalValue(col structured.ColumnDescriptor, kv client.KeyValue) driver.Value {
	if !kv.Exists() {
		return nil
	}
	switch col.Type.Kind {
	case structured.ColumnType_BIT, structured.ColumnType_INT:
		return kv.ValueInt()
	case structured.ColumnType_FLOAT:
		return math.Float64frombits(uint64(kv.ValueInt()))
	case structured.ColumnType_CHAR, structured.ColumnType_BINARY,
		structured.ColumnType_TEXT, structured.ColumnType_BLOB:
		// TODO(pmattis): The conversion to string isn't strictly necessary, but
		// makes log messages more readable right now.
		return string(kv.ValueBytes())
	}
	return kv.ValueBytes()
}
Exemplo n.º 4
0
func (n *scanNode) unmarshalValue(kv client.KeyValue) (parser.Datum, bool) {
	kind, ok := n.colKind[n.colID]
	if !ok {
		n.err = fmt.Errorf("column-id \"%d\" does not exist", n.colID)
		return nil, false
	}
	if kv.Exists() {
		switch kind {
		case ColumnType_INT:
			return parser.DInt(kv.ValueInt()), true
		case ColumnType_BOOL:
			return parser.DBool(kv.ValueInt() != 0), true
		case ColumnType_FLOAT:
			return parser.DFloat(math.Float64frombits(uint64(kv.ValueInt()))), true
		case ColumnType_STRING, ColumnType_BYTES:
			return parser.DString(kv.ValueBytes()), true
		}
	}
	return parser.DNull, true
}
Exemplo n.º 5
0
func unmarshalValue(col structured.ColumnDescriptor, kv client.KeyValue) sqlwire.Datum {
	var d sqlwire.Datum
	if !kv.Exists() {
		return d
	}
	switch col.Type.Kind {
	case structured.ColumnType_BIT, structured.ColumnType_INT:
		tmp := kv.ValueInt()
		d.IntVal = &tmp
	case structured.ColumnType_FLOAT:
		tmp := math.Float64frombits(uint64(kv.ValueInt()))
		d.FloatVal = &tmp
	case structured.ColumnType_CHAR, structured.ColumnType_TEXT,
		structured.ColumnType_BLOB:
		// TODO(pmattis): The conversion to string isn't strictly necessary, but
		// makes log messages more readable right now.
		tmp := string(kv.ValueBytes())
		d.StringVal = &tmp
	}
	return d
}