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invenio_2013_08_22_hstRECORD_affected_fields.py
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Created
Tue, Sep 10, 21:12
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text/x-python
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Thu, Sep 12, 21:12 (2 d)
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blob
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R3600 invenio-infoscience
invenio_2013_08_22_hstRECORD_affected_fields.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2012, 2013 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
from
invenio.legacy.dbquery
import
run_sql
depends_on
=
[
'invenio_2012_11_15_hstRECORD_marcxml_longblob'
]
def
info
():
return
"New column hstRECORD.affected_fields"
def
do_upgrade
():
#first step: change the table
create_statement
=
run_sql
(
'SHOW CREATE TABLE hstRECORD'
)[
0
][
1
]
if
'affected_fields'
not
in
create_statement
:
run_sql
(
"ALTER TABLE hstRECORD ADD COLUMN affected_fields text NOT NULL default '' AFTER job_details"
)
#second step: nothing
#we don't need to fill in the column since empty value
#is valid and it means that all fields/tags were modified
def
estimate
():
""" Estimate running time of upgrade in seconds (optional). """
return
1
def
pre_upgrade
():
pass
def
post_upgrade
():
"""Check for potentially invalid revisions"""
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