dbo.users_by

Description

Properties

Name	Value
File Collation
File Group
Filestream File Group
Is Partitioned	False
Partitioned Column
Partition Scheme
File Groups
Filestream Partition Scheme
Filestream File Groups
Heap	True
Full Text Catalog
Full Text
Compression	NONE
Row Count (~)	8410
Created	10/1/2007 3:29:34 PM
Last Modified	4/3/2016 12:31:48 AM

Columns

Key	Name	Data Type	Length	Precision	Scale	Not Null	Identity	Rule	Default	Computed	Persisted	Description
	user_id	int	4	10	0	True				False	False
	group_id	int	4	10	0	True				False	False

Indexes

Key	Name	Columns	Unique	Type	Description
	PK__users_by_group__48CFD27E	user_id, group_id	True

Triggers

Name	ANSI Nulls ON	Quoted Identifier ON	On	Not For Replication	Description
tI_users_by_group	True	True	AFTER INSERT	False
tU_users_by_group	True	True	AFTER UPDATE	False

Foreign Keys

Name	Columns	Description
FK__users_by___group__7E37BEF6	group_id
FK__users_by___user___7F2BE32F	user_id

SQL Script

Copy

CREATE TABLE dbo.users_by_group (
  user_id int NOT NULL,
  group_id int NOT NULL,
  PRIMARY KEY NONCLUSTERED (user_id, group_id) WITH (FILLFACTOR = 90)
)
ON [PRIMARY]
GO

SET QUOTED_IDENTIFIER, ANSI_NULLS ON
GO
CREATE OR ALTER trigger dbo.tI_users_by_group on dbo.users_by_group for INSERT as
/* ERwin Builtin Mon Oct 01 10:32:44 2007 */
/* INSERT trigger on users_by_group */
begin
  declare  @numrows int,
           @nullcnt int,
           @validcnt int,
           @errno   int,
           @errmsg  varchar(255)

  select @numrows = @@rowcount
  /* ERwin Builtin Mon Oct 01 10:32:44 2007 */
  /* groups R/14 users_by_group ON CHILD INSERT RESTRICT */
  /* ERWIN_RELATION:PARENT_OWNER="", PARENT_TABLE="groups"
      CHILD_OWNER="", CHILD_TABLE="users_by_group"
      P2C_VERB_PHRASE="R/14", C2P_VERB_PHRASE="",
      FK_CONSTRAINT="R_14", FK_COLUMNS="group_id" */
  if
    /* %ChildFK(" or",update) */
    update(group_id)
  begin
    select @nullcnt = 0
    select @validcnt = count(*)
      from inserted,groups
        where
          /* %JoinFKPK(inserted,groups) */
          inserted.group_id = groups.group_id
    /* %NotnullFK(inserted," is null","select @nullcnt = count(*) from inserted where"," and") */

    if @validcnt + @nullcnt != @numrows
    begin
      select @errno  = 30002,
             @errmsg = 'Cannot INSERT users_by_group because groups does not exist.'
      goto error
    end
  end

  /* ERwin Builtin Mon Oct 01 10:32:44 2007 */
  /* users R/29 users_by_group ON CHILD INSERT RESTRICT */
  /* ERWIN_RELATION:PARENT_OWNER="", PARENT_TABLE="users"
      CHILD_OWNER="", CHILD_TABLE="users_by_group"
      P2C_VERB_PHRASE="R/29", C2P_VERB_PHRASE="",
      FK_CONSTRAINT="R_29", FK_COLUMNS="user_id" */
  if
    /* %ChildFK(" or",update) */
    update(user_id)
  begin
    select @nullcnt = 0
    select @validcnt = count(*)
      from inserted,users
        where
          /* %JoinFKPK(inserted,users) */
          inserted.user_id = users.user_id
    /* %NotnullFK(inserted," is null","select @nullcnt = count(*) from inserted where"," and") */

    if @validcnt + @nullcnt != @numrows
    begin
      select @errno  = 30002,
             @errmsg = 'Cannot INSERT users_by_group because users does not exist.'
      goto error
    end
  end

  /* ERwin Builtin Mon Oct 01 10:32:44 2007 */
  return
error:
    raiserror (@errmsg,@errno,1)
    rollback transaction
end

GO
CREATE OR ALTER trigger dbo.tU_users_by_group on dbo.users_by_group for UPDATE as
/* ERwin Builtin Mon Oct 01 10:32:44 2007 */
/* UPDATE trigger on users_by_group */
begin
  declare  @numrows int,
           @nullcnt int,
           @validcnt int,
           @insuser_id int,
           @insgroup_id int,
           @errno   int,
           @errmsg  varchar(255)

  select @numrows = @@rowcount
  /* ERwin Builtin Mon Oct 01 10:32:44 2007 */
  /* groups R/14 users_by_group ON CHILD UPDATE RESTRICT */
  /* ERWIN_RELATION:PARENT_OWNER="", PARENT_TABLE="groups"
      CHILD_OWNER="", CHILD_TABLE="users_by_group"
      P2C_VERB_PHRASE="R/14", C2P_VERB_PHRASE="",
      FK_CONSTRAINT="R_14", FK_COLUMNS="group_id" */
  if
    /* %ChildFK(" or",update) */
    update(group_id)
  begin
    select @nullcnt = 0
    select @validcnt = count(*)
      from inserted,groups
        where
          /* %JoinFKPK(inserted,groups) */
          inserted.group_id = groups.group_id
    /* %NotnullFK(inserted," is null","select @nullcnt = count(*) from inserted where"," and") */

    if @validcnt + @nullcnt != @numrows
    begin
      select @errno  = 30007,
             @errmsg = 'Cannot UPDATE users_by_group because groups does not exist.'
      goto error
    end
  end

  /* ERwin Builtin Mon Oct 01 10:32:44 2007 */
  /* users R/29 users_by_group ON CHILD UPDATE RESTRICT */
  /* ERWIN_RELATION:PARENT_OWNER="", PARENT_TABLE="users"
      CHILD_OWNER="", CHILD_TABLE="users_by_group"
      P2C_VERB_PHRASE="R/29", C2P_VERB_PHRASE="",
      FK_CONSTRAINT="R_29", FK_COLUMNS="user_id" */
  if
    /* %ChildFK(" or",update) */
    update(user_id)
  begin
    select @nullcnt = 0
    select @validcnt = count(*)
      from inserted,users
        where
          /* %JoinFKPK(inserted,users) */
          inserted.user_id = users.user_id
    /* %NotnullFK(inserted," is null","select @nullcnt = count(*) from inserted where"," and") */

    if @validcnt + @nullcnt != @numrows
    begin
      select @errno  = 30007,
             @errmsg = 'Cannot UPDATE users_by_group because users does not exist.'
      goto error
    end
  end

  /* ERwin Builtin Mon Oct 01 10:32:44 2007 */
  return
error:
    raiserror (@errmsg,@errno,1)
    rollback transaction
end

GO

ALTER TABLE dbo.users_by_group
  ADD FOREIGN KEY (group_id) REFERENCES dbo.groups (group_id)
GO

ALTER TABLE dbo.users_by_group
  ADD FOREIGN KEY (user_id) REFERENCES dbo.users (user_id)
GO

dbo.users_by_group