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TSO: fix pre-v7.4 #15607

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Dec 7, 2023
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TSO: fix pre-v7.4 #15607

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eb787f3
tso: TIDB_PARSE_TSO_LOGICAL() was introduced in v7.4
dveeden Dec 6, 2023
00979ba
Update tso.md
dveeden Dec 6, 2023
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15 changes: 1 addition & 14 deletions tso.md
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Expand Up @@ -26,10 +26,7 @@ SELECT @ts;

Note that this is done in a transaction with `BEGIN; ...; ROLLBACK` because TSO timestamps are assigned per transaction.

The TSO timestamp you get from the preceding example is a decimal number. You can use the following SQL functions to parse the timestamp:

- [`TIDB_PARSE_TSO()`](/functions-and-operators/tidb-functions.md#tidb_parse_tso)
- [`TIDB_PARSE_TSO_LOGICAL()`](/functions-and-operators/tidb-functions.md)
The TSO timestamp you get from the preceding example is a decimal number. You can use the SQL function [`TIDB_PARSE_TSO()`](/functions-and-operators/tidb-functions.md#tidb_parse_tso) to parse the timestamp:

```sql
SELECT TIDB_PARSE_TSO(443852055297916932);
Expand All @@ -41,16 +38,6 @@ SELECT TIDB_PARSE_TSO(443852055297916932);
1 row in set (0.00 sec)
```

```sql
SELECT TIDB_PARSE_TSO_LOGICAL(443852055297916932);
+--------------------------------------------+
| TIDB_PARSE_TSO_LOGICAL(443852055297916932) |
+--------------------------------------------+
| 4 |
+--------------------------------------------+
1 row in set (0.00 sec)
```

The following example shows what a TSO timestamp looks like in binary:

```shell
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