com]
Sent: Friday, April 08, 2011 4:32 PM
To: user@pig.apache.org
Cc: Badrinarayanan S
Subject: Re: Dereferencing columns of nested bags
How are you trying to reference it ? Within foreach ? Filter ? Or
elsewhere ?
Doesn't something like $1.$1.($0, $1) not work to reference key, value
as a
, April 09, 2011 4:45 PM
To: user@pig.apache.org
Cc: Daniel Dai
Subject: Re: Dereferencing columns of nested bags
If you try to project that out, you will end up with exceptions - which
was the issue being raised (not the expected functionality - which is
understood well : whether flatten is required
It helps. Thanks.
-Original Message-
From: Daniel Dai [mailto:jiany...@yahoo-inc.com]
Sent: Saturday, April 09, 2011 2:39 AM
To: user@pig.apache.org
Subject: Re: Dereferencing columns of nested bags
Bag dereference results a bag with less columns. It does not reduce the
nested levels
l aggregation that $1.$1.$0 (for ex) provides).
Regards,
Mridul
Thanks,
badri
-Original Message-
From: Mridul Muralidharan [mailto:mrid...@yahoo-inc.com]
Sent: Friday, April 08, 2011 4:32 PM
To: user@pig.apache.org
Cc: Badrinarayanan S
Subject: Re: Dereferencing columns of nested bags
How are
d...@yahoo-inc.com]
Sent: Friday, April 08, 2011 4:32 PM
To: user@pig.apache.org
Cc: Badrinarayanan S
Subject: Re: Dereferencing columns of nested bags
How are you trying to reference it ? Within foreach ? Filter ? Or
elsewhere ?
Doesn't something like $1.$1.($0, $1) not work to reference
]
Sent: Friday, April 08, 2011 4:32 PM
To: user@pig.apache.org
Cc: Badrinarayanan S
Subject: Re: Dereferencing columns of nested bags
How are you trying to reference it ? Within foreach ? Filter ? Or
elsewhere ?
Doesn't something like $1.$1.($0, $1) not work to reference key, value
as a
columns of nested bags
How are you trying to reference it ? Within foreach ? Filter ? Or
elsewhere ?
Doesn't something like $1.$1.($0, $1) not work to reference key, value
as a tuple ?
- Mridul
On Friday 08 April 2011 03:38 PM, Badrinarayanan S wrote:
> Is it possible to dereference
How are you trying to reference it ? Within foreach ? Filter ? Or
elsewhere ?
Doesn't something like $1.$1.($0, $1) not work to reference key, value
as a tuple ?
- Mridul
On Friday 08 April 2011 03:38 PM, Badrinarayanan S wrote:
Is it possible to dereference a column part of a nested ba
Is it possible to dereference a column part of a nested bag. In the schema
given below, I am trying to dereference the columns Key and Value which is
part of visit bag which is part of visits bag.
(id, visits:bag{visittuple:tuple(timestamp,
visit:bag{details:tuple(Key:chararray, Value:chararray
