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判断sqlserver对象是否存在
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--查看对象是否已经存在
--数据库是否存在
--if exists (select * from sys.databases where name = ’数据库名’)
-- drop database [数据库名]
if exists(
select
*
from
sys.databases
where
name
=
'FGM_POS'
)
print
'存在'
--drop database [数据库名]
--表是否存在
--if exists (select * from sysobjects where id = object_id(N’[表名]’) and OBJECTPROPERTY(id, N’IsUserTable’) = 1)
-- drop table [表名]
if exists (
select
*
from
sysobjects
where
id =OBJECT_ID(N
'[FGM_bt_ePlnMain]'
)
and
OBJECTPROPERTY(id,N
'IsUserTable'
)=1)
print
'存在'
--drop table [表名]
--或
if exists (
select
*
from
sysobjects
where
id =OBJECT_ID(N
'dbo.FGM_bt_ePlnMain'
)
and
OBJECTPROPERTY(id,N
'IsUserTable'
)=1)
print
'存在'
--存储过程是否存在
--if exists (select * from sysobjects where id = object_id(N’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1)
-- drop procedure [存储过程名]
if exists (
select
*
from
sysobjects
where
id =OBJECT_ID(N
'[FGM_sp_SyncePlnMain]'
)
and
OBJECTPROPERTY(id,N
'IsProcedure'
)=1)
print
'存在'
--或
if exists (
select
*
from
sysobjects
where
id =OBJECT_ID(N
'dbo.FGM_sp_SyncePlnMain'
)
and
OBJECTPROPERTY(id,N
'IsProcedure'
)=1)
print
'存在'
--临时表是否存在
--if object_id(’tempdb..#临时表名’) is not null
-- drop table #临时表名
select
*
into
#
temp
from
dbo.FGM_bt_ConsumInfoDetail_B
if OBJECT_ID (
'tempdb..#temp'
)
is
not
null
print
'存在'
--或者
if exists(
select
*
from
tempdb.dbo.sysobjects
where
id=OBJECT_ID(N
'tempdb..#temp'
)
and
type=
'U'
)
print
'存在'
--视图是否存在
----SQL Server 2000
--IF EXISTS (SELECT * FROM sysviews WHERE object_id = '[dbo].[视图名]'
----SQL Server 2005
--IF EXISTS (SELECT * FROM sys.views WHERE object_id = '[dbo].[视图名]' --SQL Server 2000
--IF EXISTS (SELECT * FROM sysviews WHERE object_id = '[dbo].[视图名]’
----SQL Server 2005
--IF EXISTS (SELECT * FROM sys.views WHERE object_id = ’[dbo].[视图名]’
----SQL Server 2008
if exists (
select
*
from
sysobjects
where
id=OBJECT_ID(N'[dc_adplan]
') and type='
V
')
print '
存在
'
--或
if exists (select * from sysobjects where id=OBJECT_ID(N'
dbo.dc_adplan
') and type='
V
')
print '
存在
'
--drop view dbo.dc_adplan
--函数是否存在
--if exists (select * from dbo.sysobjects where id = object_id(N’[dbo].[函数名]’) and xtype in (N’FN’, N’IF’, N’TF’))
-- drop function [dbo].[函数名]
if exists (select * from dbo.sysobjects where id=OBJECT_ID (N'
dbo.GetResourceName
')and xtype in (N'
FN
',N'
IF
',N'
TF
'))
print '
存在
'
--或
if exists (select * from dbo.sysobjects where id=OBJECT_ID (N'
[GetResourceName]
')and xtype in (N'
FN
',N'
IF
',N'
TF
'))
print '
存在
'
--drop function dbo.GetResourceName
--列是否存在
--if exists(select * from syscolumns where id=object_id(’表名’) and name=’列名’)
-- alter table 表名 drop column 列名
if exists(select * from syscolumns where id =OBJECT_ID('
FGM_bt_ePlnMain
') and name='
ePlnName
')
print '
存在
'
--alter table 表名 drop column 列名
--判断列是否自自增列
--if columnproperty(object_id('
table
'),'
col’,’IsIdentity’)=1
-- print '自增列'
--else
-- print '不是自增列'
if COLUMNPROPERTY(object_id (
'FGM_bt_ePlnMain'
),
'ePlnID'
,
'IsIdentity'
)=1
print
'自增列'
else
print
'非'
--查看数据库中对象
--select * from sys.sysobjects where name='对象名'
select
*
from
sys.sysobjects
where
name
=
'FGM_bt_ePlnMain'
--获取用户创建的对象信息
SELECT
[
name
],[id],crdate
FROM
sysobjects
where
xtype=
'U'
/*
xtype 的表示参数类型，通常包括如下这些
C = CHECK 约束
D = 默认值或 DEFAULT 约束
F = FOREIGN KEY 约束
L = 日志
FN = 标量函数
IF = 内嵌表函数
P = 存储过程
PK = PRIMARY KEY 约束（类型是 K）
RF = 复制筛选存储过程
S = 系统表
TF = 表函数
TR = 触发器
U = 用户表
UQ = UNIQUE 约束（类型是 K）
V = 视图
X = 扩展存储过程
*/
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