Thread: Drop/ Alter index if exist

Drop/ Alter index if exist

From
Pau Marc Munoz Torres
Date:
Hi every body

 there is some way to delete or rename an index only if this index exists?

something like

"alter index index rename to pepe if exists"

thanks

--
Pau Marc Muñoz Torres

Laboratori de Biologia Computacional  
Institut de  Biotecnologia   i Biomedicina Vicent Villar                                    
Universitat Autonoma de Barcelona
E-08193 Bellaterra (Barcelona)
             
telèfon: 93 5812807
Email : paumarc.munoz@bioinf.uab.cat

Re: Drop/ Alter index if exist

From
Filip Rembiałkowski
Date:


2009/12/22 Pau Marc Munoz Torres <paumarc@gmail.com>
Hi every body
 

 there is some way to delete or rename an index only if this index exists?

something like

"alter index index rename to pepe if exists"


for drop - yes:
DROP INDEX IF EXISTS name;

for rename - there is no simple solution. well, actually there are solutions but they are more complicated than the problem.
(think of user defined functions)


--
Filip Rembiałkowski
JID,mailto:filip.rembialkowski@gmail.com
http://filip.rembialkowski.net/

Re: Drop/ Alter index if exist

From
Pau Marc Munoz Torres
Date:
thanks

2009/12/22 Filip Rembiałkowski <plk.zuber@gmail.com>


2009/12/22 Pau Marc Munoz Torres <paumarc@gmail.com>

Hi every body
 

 there is some way to delete or rename an index only if this index exists?

something like

"alter index index rename to pepe if exists"


for drop - yes:
DROP INDEX IF EXISTS name;

for rename - there is no simple solution. well, actually there are solutions but they are more complicated than the problem.
(think of user defined functions)


--
Filip Rembiałkowski
JID,mailto:filip.rembialkowski@gmail.com
http://filip.rembialkowski.net/



--
Pau Marc Muñoz Torres

Laboratori de Biologia Computacional  
Institut de  Biotecnologia   i Biomedicina Vicent Villar                                    
Universitat Autonoma de Barcelona
E-08193 Bellaterra (Barcelona)
             
telèfon: 93 5812807
Email : paumarc.munoz@bioinf.uab.cat