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http://tracker.firebirdsql.org/browse/DNET-855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiri Cincura reopened DNET-855:
-------------------------------
> DbMigration.CreateTable creates shared sequence (generator) for any identity
> column
> -----------------------------------------------------------------------------------
>
> Key: DNET-855
> URL: http://tracker.firebirdsql.org/browse/DNET-855
> Project: .NET Data provider
> Issue Type: Bug
> Components: ADO.NET Provider
> Affects Versions: 6.3.0.0
> Environment: .NET framework 4.6.1, VS 2017
> Reporter: robsonwk
> Assignee: Jiri Cincura
>
> Using DbMigration, method CreateTable with column Identity set to true,
> generates one, common sequence for any table, any column.
> Result sql code is as following:
> EXECUTE BLOCK
> AS
> BEGIN
> if (not exists(select 1 from rdb$generators where
> rdb$generator_name = 'GEN_IDENTITY')) then
> begin
> execute statement 'create sequence GEN_IDENTITY';
> end
> END;
> and trigger
> CREATE OR ALTER TRIGGER "ID_USERS_ID" ACTIVE BEFORE INSERT ON "USERS"
> AS
> BEGIN
> if (new."ID" is null) then
> begin
> new."ID" = next value for GEN_IDENTITY;
> end
> END;
> Proposal:
> For table "Users", column "ID", migration sql could be:
> EXECUTE BLOCK
> AS
> BEGIN
> if (not exists(select 1 from rdb$generators where
> rdb$generator_name = 'GEN_IDENTITY_USERS_ID')) then
> begin
> execute statement 'create sequence
> GEN_IDENTITY_USERS_ID';
> end
> END;
> and trigger
> CREATE OR ALTER TRIGGER "ID_USERS_ID" ACTIVE BEFORE INSERT ON "USERS"
> AS
> BEGIN
> if (new."ID" is null) then
> begin
> new."ID" = next value for GEN_IDENTITY_USERS_ID;
> end
> END;
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