Search a string in whole mysql database - sql

Question

I wrote this query for searching a string in whole database . Earlier it was working properly now it doesn't fetch full result at all . I don't get what is wrong with this query . Please help
QUERY
/*
- Search through tables to find specific text
- Written by Luis Chiriff (with help from SQL Server Central)
- luis.chiriff#gmail.com # 24/11/2008 # 11:54
*/
-- Variable Declaration
Declare #StringToFind VARCHAR(200), #Schema sysname, #Table sysname, #FullTable int, #NewMinID
int, #NewMaxID int,
#SQLCommand VARCHAR(8000), #BaseSQLCommand varchar(8000), #Where VARCHAR(8000), #CountCheck
varchar(8000) , #FieldTypes varchar(8000),
#cursor VARCHAR(8000), #columnName sysname, #SCn int, #SCm int
Declare #TableList table (Id int identity(1,1) not null, tablename varchar(250))
Declare #SQLCmds table (id int identity(1,1) not null, sqlcmd varchar(8000))
Declare #DataFoundInTables table (id int identity(1,1) not null, sqlcmd varchar(8000))
-- Settings
SET #StringToFind = 'abcdef'
SET NOCOUNT ON
SET #StringToFind = '%'+#StringToFind+'%'
-- Gathering Info
if ((select count(*) from sysobjects where name = 'tempcount') > 0)
drop table tempcount
create table tempcount (rowsfound int)
insert into tempcount select 0
-- This section here is to accomodate the user defined datatypes, if they have
-- a SQL Collation then they are assumed to have text in them.
SET #FieldTypes = ''
select #FieldTypes = #FieldTypes + '''' + rtrim(ltrim(name))+''',' from systypes where collation
is not null or xtype = 36
select #FieldTypes = left(#FieldTypes,(len(#FieldTypes)-1))
insert into #TableList (tablename)
select name from sysobjects
where xtype = 'U' and name not like 'dtproperties'
order by name
-- Start Processing Table List
select #NewMinID = min(id), #NewMaxID = max(id) from #TableList
while(#NewMinID <= #NewMaxID)
Begin
SELECT #Table = tablename, #Schema='dbo', #Where = '' from #TableList where id = #NewMinID
SET #SQLCommand = 'SELECT * FROM ' + #Table + ' WHERE'
-- removed ' + #Schema + '.
SET #cursor = 'DECLARE col_cursor CURSOR FOR SELECT COLUMN_NAME
FROM [' + DB_NAME() + '].INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = ''' + #Schema + '''
AND TABLE_NAME = ''' + #Table + '''
AND DATA_TYPE IN ('+#FieldTypes+')'
--Original Check, however the above implements user defined data types --AND DATA_TYPE IN
(''char'',''nchar'',''ntext'',''nvarchar'',''text'',''varchar'')'
EXEC (#cursor)
SET #FullTable = 0
DELETE FROM #SQLCmds
OPEN col_cursor
FETCH NEXT FROM col_cursor INTO #columnName
WHILE ##FETCH_STATUS = 0
BEGIN
SET #Where = #Where + ' [' + #columnName + '] LIKE ''' + #StringToFind + ''''
SET #Where = #Where + ' OR'
--PRINT #Table + '|'+ cast(len(isnull(#Where,''))+len(isnull(#SQLCommand,'')) as varchar(10))+'|'+#Where
if (len(isnull(#Where,''))+len(isnull(#SQLCommand,'')) > 3600)
Begin
SELECT #Where = substring(#Where,1,len(#Where)-3)
insert into #SQLCmds (sqlcmd) select #Where
SET #Where = ''
End
FETCH NEXT FROM col_cursor INTO #columnName
END
CLOSE col_cursor
DEALLOCATE col_cursor
if (#Where <> '')
Begin
SELECT #Where = substring(#Where,1,len(#Where)-3)
insert into #SQLCmds (sqlcmd)
select #Where --select #Table,count(*) from #SQLCmds
End
SET #BaseSQLCommand = #SQLCommand
select #SCn = min(id), #SCm = max(id) from #SQLCmds
while(#SCn <= #SCm)
Begin
select #Where = sqlcmd from #SQLCmds where ID = #SCn
if (#Where <> '')
Begin
SET #SQLCommand = #BaseSQLCommand + #Where
SELECT #CountCheck = 'update tempcount set rowsfound = (select count(*) '+ substring(#SQLCommand,10,len(#SQLCommand)) + ')'
EXEC (#CountCheck)
if ((select rowsfound from tempcount) > 0)
Begin
PRINT '--- ['+cast(#NewMinID as varchar(15))+'/'+cast(#NewMaxID as varchar(15))+'] '+#Table + ' ----------------------------------[FOUND!]'
--PRINT '--- [FOUND USING:] ' +#SQLCommand
insert into #DataFoundInTables (sqlcmd) select #SQLCommand
EXEC (#SQLCommand)
update tempcount set rowsfound = 0
End
else
Begin
PRINT '--- ['+cast(#NewMinID as varchar(15))+'/'+cast(#NewMaxID as varchar(15))+'] '+#Table
End
End
SET #SCn = #SCn + 1
End
set #NewMinID = #NewMinID + 1
end
if ((select count(*) from sysobjects where name = 'tempcount') > 0)
drop table tempcount
/*
This will now return all the sql commands you need to use
*/
select #NewMinID = min(id), #NewMaxID = max(id) from #DataFoundInTables
if (#NewMaxID > 0)
Begin
PRINT ' '
PRINT ' '
PRINT '-----------------------------------------'
PRINT '----------- TABLES WITH DATA ------------'
PRINT '-----------------------------------------'
PRINT ' '
PRINT 'We found ' + cast(#NewMaxID as varchar(10)) + ' table(s) with the string '+#StringToFind
PRINT ' '
while(#NewMinID <= #NewMaxID)
Begin
select #SQLCommand = sqlcmd from #DataFoundInTables where ID = #NewMinID
PRINT #SQLCommand
SET #NewMinID = #NewMinID + 1
End
PRINT ' '
PRINT '-----------------------------------------'
End
This query was working fine one month ago but now it doesn't fetch the results . Can anyone tell me what is wrong in this query .