定位单个数据库中等于某值的记录所在的表和列。 第13行的xtype=167代表只搜索数据类型是varchar的列。 第18行就是根据关键字具体过滤列的数据。 SQL Server create proc global_search@key varchar(2000)asdeclare tab_cursor cursor for select name from s
定位单个数据库中等于某值的记录所在的表和列。
第13行的xtype=167代表只搜索数据类型是varchar的列。
第18行就是根据关键字具体过滤列的数据。
SQL Server
create proc global_search
@key varchar(2000)
as
declare tab_cursor cursor for select name from sysobjects where type = 'U'
declare @sql nvarchar(2000)
declare @tab_name nvarchar(100)
declare @col_name nvarchar(100)
declare @row_count int
open tab_cursor
fetch next from tab_cursor into @tab_name
while(@@fetch_status = 0)
begin
declare col_cursor cursor for select name from syscolumns where id = OBJECT_ID(@tab_name) and xtype = 167
open col_cursor
fetch next from col_cursor into @col_name
while(@@fetch_status = 0)
begin
set @sql = 'declare row_cursor cursor for select count(*) from ' + @tab_name + ' where ' + @col_name + ' like ''%' + @key + '%'''
exec(@sql)
open row_cursor
fetch next from row_cursor into @row_count
if @row_count > 0
print @tab_name + '.' + @col_name
close row_cursor
deallocate row_cursor
fetch next from col_cursor into @col_name
end
close col_cursor
deallocate col_cursor
fetch next from tab_cursor into @tab_name
end
close tab_cursor
deallocate tab_cursor
create proc global_search
@key nvarchar(2000)
as
declare @sql nvarchar(2000)
declare @tab_name nvarchar(100)
declare @col_name nvarchar(100)
declare @row_count int
declare @has_cursor int
declare @col_cursor cursor
declare @tab_cursor cursor
set @tab_cursor = cursor for select name from sysobjects where type = 'U'
open @tab_cursor
fetch next from @tab_cursor into @tab_name
while(@@fetch_status = 0)
begin
set @col_cursor = cursor for select name from syscolumns where id = OBJECT_ID(@tab_name) and xtype = 231 and length > 13
open @col_cursor
fetch next from @col_cursor into @col_name
while(@@fetch_status = 0)
begin
set @sql = N'select count(*) from ' + @tab_name + ' where ' + @col_name + ' = ''%' + @key + '%'''
exec sp_executesql @sql, N'@row_count int', @row_count
if @row_count > 0
print @tab_name + '.' + @col_name
fetch next from @col_cursor into @col_name
end
if cursor_status('local', '@col_cursor') > -1
close @col_cursor
if cursor_status('local', '@col_cursor') > -3
deallocate @col_cursor
fetch next from @tab_cursor into @tab_name
end
if cursor_status('local', '@tab_cursor') > -1
close @tab_cursor
if cursor_status('local', '@tab_cursor') > -3
deallocate @tab_cursor
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