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fix incorrect message for set_var() (#19119) #19162

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merged 4 commits into from
Nov 25, 2024
Merged

fix incorrect message for set_var() (#19119) #19162

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f82dfb1
fix incorrect message for set_var()
songrijie Nov 18, 2024
8ab62fa
Update punctuation
lilin90 Nov 19, 2024
dde9a3d
Update wording
lilin90 Nov 19, 2024
5b22d2f
Update wording
lilin90 Nov 19, 2024
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4 changes: 2 additions & 2 deletions system-variables.md
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Expand Up @@ -4036,7 +4036,7 @@ EXPLAIN FORMAT='brief' SELECT COUNT(1) FROM t WHERE a = 1 AND b IS NOT NULL;
### `tidb_read_consistency` <span class="version-mark">从 v5.4.0 版本开始引入</span>

- 作用域：SESSION
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制：是
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制：是（注意当存在[非事务 DML 语句](/non-transactional-dml.md)时，使用 hint 修改该变量的值可能不生效）
- 类型：字符串
- 默认值：`strict`
- 此变量用于控制自动提交的读语句的读一致性。
Expand All @@ -4046,7 +4046,7 @@ EXPLAIN FORMAT='brief' SELECT COUNT(1) FROM t WHERE a = 1 AND b IS NOT NULL;
### `tidb_read_staleness` <span class="version-mark">从 v5.4.0 版本开始引入</span>

- 作用域：SESSION
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制：是
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制：否
- 类型：整数型
- 默认值：`0`
- 范围 `[-2147483648, 0]`
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