Search found 96 matches

by harryrundles
Tue Nov 26, 2013 10:04 pm
Forum: Vertica and the Operating System
Topic: How to delete millions of files in a directory quickly?
Replies: 1
Views: 14063

How to delete millions of files in a directory quickly?

Hello,

Does anyone have a recommendation on how to delete millions of files in a directory and in sub folders under that directory?

I tried using the rm -rf command but it takes FOREVER!!!
by harryrundles
Thu Nov 14, 2013 2:52 pm
Forum: Vertica Database Administration
Topic: Can't update table stats
Replies: 2
Views: 5250

Re: Can't update table stats

Oops, yeah, the row count is zero. So does Vertica not keep stats on tables for no rows? I thought maybe the stats would simply be "no rows" :) But I guess that doesn't make sense...
by harryrundles
Wed Nov 13, 2013 4:59 pm
Forum: Vertica Database Administration
Topic: Can't update table stats
Replies: 2
Views: 5250

Can't update table stats

I can't figure out how to update the statistics for one of my tables. This one: dbadmin=> SELECT DISTINCT projection_schema, anchor_table_name FROM projections WHERE has_statistics = 'f'; projection_schema | anchor_table_name -------------------+------------------------------------- primary1 | big_d...
by harryrundles
Wed Oct 30, 2013 1:58 pm
Forum: Vertica SQL Functions
Topic: REPLICATE function?
Replies: 2
Views: 15527

REPLICATE function?

Is there a REPLICATE function in Vertica similar to the one in MS SQL Server? Example from my SQL Server DB: USE AdventureWorks2012; GO SELECT [Name] , REPLICATE('0', 4) + [ProductLine] AS 'Line Code' FROM [Production].[Product] WHERE [ProductLine] = 'T' ORDER BY [Name]; GO Name Line Code ----------...
by harryrundles
Sun Oct 27, 2013 3:43 pm
Forum: New to Vertica
Topic: INSERT IGNORE
Replies: 3
Views: 9872

Re: INSERT IGNORE

Brett, you are in luck! Vertica doesn't error when you insert records that violate a primary or unique key :) :lol:

Make sure to check for table dups or handle (i.e. eliminate) them in the ETL process. That's what we do now!
by harryrundles
Tue Oct 15, 2013 1:30 pm
Forum: Vertica Database Administration
Topic: Change DB Default Time Zone
Replies: 2
Views: 8228

Re: Change DB Default Time Zone

Thanks, Jim! Is there a way to change the time zone without restarting the DB? I'm mainly interested in fixing the timestamps in the vertica.log file so that they are in the appropriate time zone.
by harryrundles
Mon Oct 14, 2013 2:37 pm
Forum: Vertica Database Administration
Topic: Change DB Default Time Zone
Replies: 2
Views: 8228

Change DB Default Time Zone

Hello, Is there a way that I can change the default time zone of a database? Somehow my DB is using US/Pacific but I want it to use US/Eastern. dbadmin=> show time zone; name | setting ----------+------------ timezone | US/Pacific (1 row) dbadmin=> set timezone US/Eastern; SET dbadmin=> show time zo...

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