invenio_2014_08_13_tag_recjsonvalue.py
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	# -- coding: utf-8 --
	#
	# This file is part of Invenio.
	# Copyright (C) 2014 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.

	"""Upgrade recipe for new column tag.recjson_value."""

	from invenio.legacy.dbquery import run_sql

	depends_on = ['invenio_release_1_1_0']


	def info():
	"""Upgrade recipe information."""
	return "New column tag.recjson_value."


	def do_upgrade():
	"""Upgrade recipe procedure."""
	create_table_statement = run_sql('SHOW CREATE TABLE tag')[0][1]
	if '`recjson_value` text' not in create_table_statement:
	run_sql("ALTER TABLE tag ADD COLUMN recjson_value text AFTER value;")


	def estimate():
	"""Upgrade recipe time estimate."""
	return 1