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sequence: remove the order keyword of sequence (#7417) #7558

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merged 2 commits into from
Nov 19, 2021
Merged

sequence: remove the order keyword of sequence (#7417) #7558

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968881d
remove the order of sequence
AilinKid Nov 5, 2021
6350bf7
Update sql-statements/sql-statement-create-sequence.md
TomShawn Nov 19, 2021
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4 changes: 1 addition & 3 deletions sql-statements/sql-statement-create-sequence.md
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,6 @@ CREATE [TEMPORARY] SEQUENCE [IF NOT EXISTS] sequence_name
[ START [ WITH | = ] start ]
[ CACHE [=] cache | NOCACHE | NO CACHE]
[ CYCLE | NOCYCLE | NO CYCLE]
[ ORDER | NOORDER | NO ORDER]
[table_options]
```

Expand All @@ -59,10 +58,9 @@ CREATE [TEMPORARY] SEQUENCE [IF NOT EXISTS] sequence_name
| `INCREMENT` | `1` | 指定序列的步长。其正负值可以控制序列的增长方向。|
| `MINVALUE` | `1` 或 `-9223372036854775807` | 指定序列的最小值。当 `INCREMENT` > `0` 时，默认值为 `1`；当 `INCREMENT` < `0` 时，默认值为 `-9223372036854775807`。|
| `MAXVALUE` | `9223372036854775806` 或 `-1` | 指定序列的最大值。当 `INCREMENT` > `0` 时，默认值为 `9223372036854775806`；当 `INCREMENT` < `0` 时，默认值为 `-1`。|
| `START` | `MINVALUE` 或 `MAXVALUE` | 指定序列的初始值。当 `INCREMENT` > `0` 时，默认值为 `MINVALUE`; 当 `INCREMENT` < `0` 时，默认值为 `MAXVALUE`。|
| `START` | `MINVALUE` 或 `MAXVALUE` | 指定序列的初始值。当 `INCREMENT` > `0` 时，默认值为 `MINVALUE`; 当 `INCREMENT` < `0` 时，默认值为 `MAXVALUE`。 |
| `CACHE` | `1000` | 指定每个 TiDB 本地缓存序列的大小。|
| `CYCLE` | `NO CYCLE` | 指定序列用完之后是否要循环使用。在 `CYCLE` 的情况下，当 `INCREMENT` > `0` 时，序列用完后的后续起始值为 `MINVALUE`；当 `INCREMENT` < `0` 时，序列用完后的后续起始值为 `MAXVALUE`。|
| `ORDER` | `NO ORDER` | TiDB 暂时不支持 `ORDER` 选项，仅在语法上做兼容。|

## `SEQUENCE` 函数

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