-- Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
-- Copyright [2016-2019] EMBL-European Bioinformatics Institute
-- 
-- Licensed under the Apache License, Version 2.0 (the "License");
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-- 
--      http://www.apache.org/licenses/LICENSE-2.0
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# patch_54_55_c.sql
#
# title: coord_system.is_current_version_tidy
#
# description:
# Add an is_current field to the coord_system table to enable mart to filter the coord_systems
# Default is True as we assume newly added coord_system entries will always be current
# True clashes should be cleared up by update DB for release, or warned by the CoordSystem adaptor?


alter table coord_system add column is_current boolean default True;

alter table coord_system modify `version` varchar(255) DEFAULT NULL;


INSERT INTO meta (species_id, meta_key, meta_value) VALUES (NULL, 'patch', 'patch_54_55_c.sql|coord_system.is_current_version_null');

