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From: Manoj Venkatesh <manoj.venkatesh@xoom.com>
To: "user@hadoop.apache.org" <user@hadoop.apache.org>
Subject: Add keys to column family in HBase using Python
Thread-Topic: Add keys to column family in HBase using Python
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Date: Wed, 15 Apr 2015 17:28:18 +0000
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--_000_D153EDBF7E98manojvenkateshxoomcom_
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Dear Hadoop experts,

I have a Hadoop cluster which has Hive, HBase installed along with other Ha=
doop components.  I am currently exploring ways to automate a data migratio=
n process from Hive to HBase which involves new columns of data added ever =
so often.  I was successful in creating a HBase table using Hive and load d=
ata into the HBase table, on these lines I tried to add columns to the HBas=
e table(from Hive) using the alter table syntax and I got the error message=
, "ALTER TABLE cannot be used for a non-native table temp_testing".

As an alternative to this I am also trying to do this programmatically usin=
g Python, I have explored the libraries HappyBase<https://happybase.readthe=
docs.org/en/latest/index.html> and starbase<http://pythonhosted.org//starba=
se/>. These libraries provide functionality for creating, deleting and othe=
r features but none of these provide an option to add a key to a column fam=
ily. Does anybody know of a better way of achieving this with Python, say l=
ibraries or through other means.

Thanks in advance,
Manoj

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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif;">
<div>Dear Hadoop experts,</div>
<div><br>
</div>
<div>I have a Hadoop cluster which has Hive,&nbsp;HBase&nbsp;installed alon=
g with other Hadoop components. &nbsp;I am currently exploring ways to auto=
mate a data migration process from Hive to HBase which involves new columns=
 of data added ever so often. &nbsp;I was successful
 in creating a&nbsp;HBase&nbsp;table using Hive and load data into the HBas=
e table, on these lines I tried to add columns to the HBase table(from Hive=
) using the alter table syntax and I got the error message, &#8220;<span st=
yle=3D"color: red;">ALTER TABLE cannot be used for
 a non-native table temp_testing</span>&#8221;.&nbsp;</div>
<div><br>
</div>
<div>As an alternative to this I am also trying to do this programmatically=
 using Python, I have explored the libraries
<a href=3D"https://happybase.readthedocs.org/en/latest/index.html">HappyBas=
e</a>&nbsp;and
<a href=3D"http://pythonhosted.org//starbase/">starbase</a>. These librarie=
s provide functionality for creating, deleting and other features but none =
of these provide an option to add a key to a column family. Does anybody kn=
ow of a better way of achieving this
 with Python, say libraries or through other means.&nbsp;</div>
<div><br>
</div>
<div>Thanks in advance,</div>
<div>Manoj</div>
<p style=3D"font-size:7.5pt; font-family: 'verdana';"><font color=3D"gray">=
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