DBobjectsCompareScript（数据库对象比较）.sql

use master

go
IF EXISTS (SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[func_CompareDBobjectsReColumns_Temp]') AND xtype in (N'FN', N'IF', N'TF'))
DROP FUNCTION [func_CompareDBobjectsReColumns_Temp]

go
create function [func_CompareDBobjectsReColumns_Temp](@objectID int)
returns varchar(1000)
as
begin
    declare @str varchar(1000)
    set @str = ''
    select @str = @str + ', ' + A.name + ' ' + B.name +
    case when B.name in('int','datetime') then ''
    when B.name in('varchar','nvarchar') then '(' + cast(A.length as varchar) +')'
    else ' ' end
    --zzl
    from syscolumns A, systypes B
    where A.xtype = B.xtype and id = @objectID
   
     if(len(@str)) > 0
     begin
  set @str = ltrim(rtrim(@str))
  set @str = right(@str , len(@str) - 1)
  end
    return ltrim(rtrim(@str))
end
go

declare @sqlStr nvarchar(4000),@dbCurrent nvarchar(20),@dbOK nvarchar(20),@db nvarchar(20)
 
 set @dbOK = 'UBIQTomb_Test0819'
 set @db = 'UBIQTomb'
 
 if not exists(select   1   from   master..sysdatabases   where   name= @dbOK)
 begin
      print   '不存在存在数据库名：'+ @dbOK
      return;
     end
    
 if not exists(select   1   from   master..sysdatabases   where   name= @db)
 begin
      print   '不存在存在数据库名：'+ @db
      return;
     end

select @dbCurrent = db_name()
 
 --不存在的表 
 set @sqlStr = 'select * into #tableOK from '+@dbOK+'..sysobjects where xtype=''U'';'
 set @sqlStr = @sqlStr+ 'select * into #tableCurrent from '+@db+'..sysobjects where xtype=''U'';'
 set @sqlStr = @sqlStr+ 'select +''create table ''+ name +''(''+ '+@dbCurrent+'.dbo.func_CompareDBobjectsReColumns_Temp(id) +'')''  as 表不存在 from #tableOK where name not in(select name from #tableCurrent);'
 
 --不存在的列
 set @sqlStr = @sqlStr + ' select A.name as ColumnName,B.name as DataType, A.length as DataLen, C.name as TableName into #cloumnsOK '
        + ' from '+@dbOK+'..syscolumns A, '+@dbOK+'..systypes B, '+@dbOK+'..sysobjects C'
        + ' where A.xtype = B.xtype and A.id = C.id and C.xtype=''U'' and B.name != ''sysname'' and C.name in(select name from #tableOK) and C.name in(select name from #tableCurrent);'     
 set @sqlStr = @sqlStr + ' select A.name as ColumnName,B.name as DataType, A.length as DataLen, C.name as TableName, A.id as TableID  into #cloumnsCurrent '
        + ' from '+@db+'..syscolumns A, '+@db+'..systypes B, '+@db+'..sysobjects C'
        + ' where A.xtype = B.xtype and A.id = C.id and C.xtype=''U'' and B.name != ''sysname'' and C.name in(select name from #tableOK) and C.name in(select name from #tableCurrent);' 
 set @sqlStr = @sqlStr+ ' select +''alter table ''+ TableName +'' add ''+ ColumnName +'' ''+DataType+'
   +'+ case when DataType in(''int'',''datetime'') then '''' when DataType in(''varchar'',''nvarchar'',''char'',''nchar'') then ''('' + cast(DataLen as varchar) +'')'' else '' '' end as 不存在的列'
   +' from #cloumnsOK where ColumnName not in(select ColumnName from #cloumnsCurrent where #cloumnsCurrent.TableName = #cloumnsOK.TableName);'

--数据类型不正确，或者数据长度不正确
 set @sqlStr = @sqlStr+ ' select +''alter table ''+ TableName +'' alter column ''+ ColumnName +'' ''+DataType+'
   +'+ case when DataType in(''int'',''datetime'') then '''' when DataType in(''varchar'',''nvarchar'',''char'',''nchar'') then ''('' + cast(DataLen as varchar) +'')'' else '' '' end as 数据类型不正确或者数据长度不正确'
   +' from #cloumnsOK where DataType + cast(DataLen as varchar) not in(select DataType + cast(DataLen as varchar) from #cloumnsCurrent where #cloumnsCurrent.TableName = #cloumnsOK.TableName and #cloumnsCurrent.ColumnName = #cloumnsOK.ColumnName)'
   +' and TableName + ColumnName in(select TableName + ColumnName from #cloumnsCurrent)'
 exec sp_executesql @sqlStr
 
 set @sqlStr = 'select B.name +''|''+ A.name as ''缺少自增长列的表'''
    +' from '+@dbOK+'..syscolumns A, '+@dbOK+'..sysobjects B   '
    +' where  A.id = B.id and A.typestat !=0 and A.colstat !=0 and B.xtype = ''U'''
    +' and B.name+A.name not in('
    +' select B.name + A.name '
    +' from '+@db+'..syscolumns A, '+@db+'..sysobjects B   '
    +' where  A.id = B.id and A.typestat !=0 and A.colstat !=0 and B.xtype = ''U'')'
 exec sp_executesql @sqlStr
    
 set @sqlStr = 'select B.name+''|''+A.name as ''缺少主键的表'''
   +' from '+@dbOK+'..syscolumns A, '+@dbOK+'..sysobjects B '
   +' where A.id = B.id and  A.id in(select id from '+@dbOK+'..sysconstraints) and A.colstat = 1 '
   +' and B.name+A.name not in('
   +' select B.name+A.name'
   +' from '+@db+'..syscolumns A, '+@db+'..sysobjects B '
   +' where A.id = B.id and  A.id in(select id from '+@db+'..sysconstraints) and A.colstat = 1 )'
 exec sp_executesql @sqlStr
   
 set @sqlStr = 'select name as ''缺少存储过程'' from  '+@dbOK+'..sysobjects where xtype = ''P'' '
  +' and name not in(select name from '+@db+'..sysobjects where xtype = ''P'')'  
 exec sp_executesql @sqlStr
 
 set @sqlStr = 'select name as ''缺少触发器'' from  '+@dbOK+'..sysobjects where xtype = ''TR'''
  +' and name not in(select name from '+@db+'..sysobjects where xtype = ''TR'')'  
 exec sp_executesql @sqlStr
 
 set @sqlStr = 'select name as ''缺少函数'' from  '+@dbOK+'..sysobjects where xtype = ''FN'''
  +' and name not in(select name from '+@db+'..sysobjects where xtype = ''FN'')'
 exec sp_executesql @sqlStr

set @sqlStr = 'select name as ''缺少视图'' from  '+@dbOK+'..sysobjects where xtype = ''V'''
  +' and name not in(select name from '+@db+'..sysobjects where xtype = ''V'')'
 exec sp_executesql @sqlStr

go
IF EXISTS (SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[func_CompareDBobjectsReColumns_Temp]') AND xtype in (N'FN', N'IF', N'TF'))
DROP FUNCTION [func_CompareDBobjectsReColumns_Temp]