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Add the New in v5.0 mark in system-variables.md #5276

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Apr 13, 2021
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Add the New in v5.0 mark in system-variables.md #5276

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41d71c6
add the New in v5.0 mark in system-variables.md
Joyinqin Apr 9, 2021
16533da
fix the dead anchor
Joyinqin Apr 9, 2021
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add the New in v5.0 mark in system-variables.md
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@Joyinqin
Joyinqin committed Apr 9, 2021
commit 41d71c64ac85a2a8826e79cb1e5d7fa511192230
6 changes: 3 additions & 3 deletions system-variables.md
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Expand Up @@ -791,7 +791,7 @@ For a system upgraded to v5.0 from an earlier version, if you have not modified
- This variable is used to set the threshold value of memory quota for a query.
- If the memory quota of a query during execution exceeds the threshold value, TiDB performs the operation designated by the OOMAction option in the configuration file. The initial value of this variable is configured by [`mem-quota-query`](/tidb-configuration-file.md#mem-quota-query).

### tidb_mem_quota_apply_cache
### tidb_mem_quota_apply_cache <span class="version-mark">New in v5.0</span>

- Scope: SESSION | GLOBAL
- Default value: 32 MB
Expand Down Expand Up @@ -923,7 +923,7 @@ mysql> desc select count(distinct a) from test.t;
select * from t, t1 where t.a=t1.a
```

### tidb_opt_prefer_range_scan
### tidb_opt_prefer_range_scan <span class="version-mark">New in v5.0</span>

- Scope: SESSION
- Default value: 0
Expand Down Expand Up @@ -1055,7 +1055,7 @@ Query OK, 0 rows affected, 1 warning (0.00 sec)
- This variable is used to set whether to skip UTF-8 validation.
- Validating UTF-8 characters affects the performance. When you are sure that the input characters are valid UTF-8 characters, you can set the variable value to `ON`.

### tidb_skip_ascii_check
### tidb_skip_ascii_check <span class="version-mark">New in v5.0</span>

- Scope: SESSION | GLOBAL
- Default value: OFF
Expand Down