Re: [Pytables-users] Reading single column from table

2013-04-08 Thread Anthony Scopatz
I am glad =) On Apr 8, 2013 12:44 PM, "Julio Trevisan" wrote: > Hey Anthony > > Thanks a lot for this. Your method with map() works around 3 times > faster! > > > BEFORE: > (database)DEBUG:BOVESPA.VISTA.PETR4: took 0.096931 seconds to do > everything else > (database)DEBUG:BOVESPA.VISTA.PETR4

Re: [Pytables-users] Reading single column from table

2013-04-08 Thread Julio Trevisan
Hey Anthony Thanks a lot for this. Your method with map() works around 3 times faster! BEFORE: (database)DEBUG:BOVESPA.VISTA.PETR4: took 0.096931 seconds to do everything else (database)DEBUG:BOVESPA.VISTA.PETR4: took 0.780372 seconds to ZIP AFTER: (database)DEBUG:BOVESPA.VISTA.PETR4: took

Re: [Pytables-users] Reading single column from table

2013-03-22 Thread Anthony Scopatz
On Fri, Mar 22, 2013 at 7:11 AM, Julio Trevisan wrote: > Hi, > > I just joined this list, I am using PyTables for my project and it works > great and fast. > > I am just trying to optimize some parts of the program and I noticed that > zipping the tuples to get one tuple per column takes much long

[Pytables-users] Reading single column from table

2013-03-22 Thread Julio Trevisan
Hi, I just joined this list, I am using PyTables for my project and it works great and fast. I am just trying to optimize some parts of the program and I noticed that zipping the tuples to get one tuple per column takes much longer than reading the data itself. The thing is that readWhere() retur