lxm_library_java/SnowFlake-IdGenerator
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yitter
2021-04-18 00:54:44 +08:00
parent 63f8eba4d7
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3
SQL/README.md
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@@ -19,6 +19,9 @@
3.调用方法： 3.调用方法：
例如：select dbo.Fn_NextSnowId(rand()) 例如：select dbo.Fn_NextSnowId(rand())
说明：必须带 dbo. 前缀 说明：必须带 dbo. 前缀
4.自动赋值：
如果主键设置为雪花ID类型（bigint），可以将该主键的 “默认值或绑定” 设置为 ([dbo].[Fn_NextSnowId](rand()))
``` ```
在执行函数之前，必须设置好以下3个参数： 在执行函数之前，必须设置好以下3个参数：

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SQL/SQLServer主键自动赋值(雪花ID类型).png Normal file
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10
SQL/sqlserver.sql
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@@ -11,7 +11,17 @@
3.<2E><><EFBFBD>÷<EFBFBD><C3B7><EFBFBD><EFBFBD><EFBFBD> 3.<2E><><EFBFBD>÷<EFBFBD><C3B7><EFBFBD><EFBFBD><EFBFBD>
<09><><EFBFBD>磺select dbo.Fn_NextSnowId(rand()) <09><><EFBFBD>磺select dbo.Fn_NextSnowId(rand())
˵<><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> dbo. ǰ׺ ˵<><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> dbo. ǰ׺
4.<2E>Զ<EFBFBD><D4B6><EFBFBD>ֵ<EFBFBD><D6B5>
<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊѩ<CEAA><D1A9>ID<49><44><EFBFBD>ͣ<EFBFBD>bigint<6E><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>Ĭ<EFBFBD><C4AC>ֵ<EFBFBD><D6B5><EFBFBD>󶨡<EFBFBD> <20><><EFBFBD><EFBFBD>Ϊ ([dbo].[Fn_NextSnowId](rand()))
*/ */
-- <20><>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if exists(select * from sys.objects where name='Fn_NextSnowId')
drop function dbo.Fn_NextSnowId;
Go
-- <20>ٴ<EFBFBD><D9B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
CREATE function dbo.Fn_NextSnowId CREATE function dbo.Fn_NextSnowId
( (
@RandomSeed float -- <20><><EFBFBD><EFBFBD>ID<49>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD> rand() <20><><EFBFBD><EFBFBD> @RandomSeed float -- <20><><EFBFBD><EFBFBD>ID<49>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD> rand() <20><><EFBFBD><EFBFBD>