本文整理匯總了Golang中github.com/cockroachdb/cockroach/roachpb.Value.GetFloat方法的典型用法代碼示例。如果您正苦於以下問題：Golang Value.GetFloat方法的具體用法？Golang Value.GetFloat怎麽用？Golang Value.GetFloat使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/cockroachdb/cockroach/roachpb.Value的用法示例。
在下文中一共展示了Value.GetFloat方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: unmarshalColumnValue
// unmarshalColumnValue decodes the value from a key-value pair using the type
// expected by the column. An error is returned if the value's type does not
// match the column's type.
func unmarshalColumnValue(kind ColumnType_Kind, value *roachpb.Value) (parser.Datum, error) {
if value == nil {
return parser.DNull, nil
}
switch kind {
case ColumnType_BOOL:
v, err := value.GetInt()
if err != nil {
return nil, err
}
return parser.DBool(v != 0), nil
case ColumnType_INT:
v, err := value.GetInt()
if err != nil {
return nil, err
}
return parser.DInt(v), nil
case ColumnType_FLOAT:
v, err := value.GetFloat()
if err != nil {
return nil, err
}
return parser.DFloat(v), nil
case ColumnType_STRING:
v, err := value.GetBytesChecked()
if err != nil {
return nil, err
}
return parser.DString(v), nil
case ColumnType_BYTES:
v, err := value.GetBytesChecked()
if err != nil {
return nil, err
}
return parser.DBytes(v), nil
case ColumnType_DATE:
v, err := value.GetTime()
if err != nil {
return nil, err
}
return parser.DDate{Time: v}, nil
case ColumnType_TIMESTAMP:
v, err := value.GetTime()
if err != nil {
return nil, err
}
return parser.DTimestamp{Time: v}, nil
case ColumnType_INTERVAL:
v, err := value.GetInt()
if err != nil {
return nil, err
}
return parser.DInterval{Duration: time.Duration(v)}, nil
default:
return nil, util.Errorf("unsupported column type: %s", kind)
}
}示例2: UnmarshalColumnValue
// UnmarshalColumnValue decodes the value from a key-value pair using the type
// expected by the column. An error is returned if the value's type does not
// match the column's type.
func UnmarshalColumnValue(
a *DatumAlloc, kind ColumnType_Kind, value *roachpb.Value,
) (parser.Datum, error) {
if value == nil {
return parser.DNull, nil
}
switch kind {
case ColumnType_BOOL:
v, err := value.GetInt()
if err != nil {
return nil, err
}
return parser.MakeDBool(parser.DBool(v != 0)), nil
case ColumnType_INT:
v, err := value.GetInt()
if err != nil {
return nil, err
}
return a.NewDInt(parser.DInt(v)), nil
case ColumnType_FLOAT:
v, err := value.GetFloat()
if err != nil {
return nil, err
}
return a.NewDFloat(parser.DFloat(v)), nil
case ColumnType_DECIMAL:
v, err := value.GetDecimal()
if err != nil {
return nil, err
}
dd := a.NewDDecimal(parser.DDecimal{})
dd.Set(v)
return dd, nil
case ColumnType_STRING:
v, err := value.GetBytes()
if err != nil {
return nil, err
}
return a.NewDString(parser.DString(v)), nil
case ColumnType_BYTES:
v, err := value.GetBytes()
if err != nil {
return nil, err
}
return a.NewDBytes(parser.DBytes(v)), nil
case ColumnType_DATE:
v, err := value.GetInt()
if err != nil {
return nil, err
}
return a.NewDDate(parser.DDate(v)), nil
case ColumnType_TIMESTAMP:
v, err := value.GetTime()
if err != nil {
return nil, err
}
return a.NewDTimestamp(parser.DTimestamp{Time: v}), nil
case ColumnType_TIMESTAMPTZ:
v, err := value.GetTime()
if err != nil {
return nil, err
}
return a.NewDTimestampTZ(parser.DTimestampTZ{Time: v}), nil
case ColumnType_INTERVAL:
d, err := value.GetDuration()
if err != nil {
return nil, err
}
return a.NewDInterval(parser.DInterval{Duration: d}), nil
default:
return nil, util.Errorf("unsupported column type: %s", kind)
}
}