| 1 | TIMESTAMP | 8 | Default precision is millisecond, microsecond and nanosecond are also supported. |
| 2 | INT | 4 | Integer, the value range is [-2^31, 2^31-1]. |
| 3 | INT UNSIGNED | 4 | Unsigned integer, the value range is [0, 2^32-1]. |
...
...
@@ -35,7 +35,7 @@ In TDengine, the data types below can be used when specifying a column or tag.
| 7 | DOUBLE | 8 | Double precision floating point number, the effective number of digits is 15-16, the value range is [-1.7E308, 1.7E308]. |
| 8 | BINARY | User Defined | Single-byte string for ASCII visible characters. Length must be specified when defining a column or tag of binary type. |
| 9 | SMALLINT | 2 | Short integer, the value range is [-32768, 32767]. |
| 10 | INT UNSIGNED | 2 | unsigned integer, the value range is [0, 65535]. |
| 10 | SMALLINT UNSIGNED | 2 | unsigned integer, the value range is [0, 65535]. |
| 11 | TINYINT | 1 | Single-byte integer, the value range is [-128, 127]. |
| 12 | TINYINT UNSIGNED | 1 | unsigned single-byte integer, the value range is [0, 255]. |
| 13 | BOOL | 1 | Bool, the value range is {true, false}. |
