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MIGRATION: Relax constraints on citations table #573

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MIGRATION: Relax constraints on citations table #573

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MIGRATION: Relax constraints on citations table
ashiklom Feb 7, 2018
9065aae
Merge branch 'master' into relax-citations
dlebauer Jan 14, 2020
e8899ca
Merge branch 'master' into relax-citations
dlebauer Jun 3, 2020
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25 changes: 25 additions & 0 deletions db/migrate/20180206152600_relax_citations.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
class RelaxCitations < ActiveRecord::Migration
def self.up
# Use longer "text" field
change_column :citations, :title, :text
change_column :citations, :journal, :text
add_column :citations, :notes, :text

# This constraint is draconian and totally unnecessary.
# Other metadata should be plenty sufficient without well-formed page number
execute %q{
ALTER TABLE citations
DROP CONSTRAINT well_formed_citation_page_spec;
}
end

def self.down
change_column :citations, :title, :string
change_column :citations, :journal, :string
remove_column :citations, :notes, :text
execute %q{
ALTER TABLE citations
ADD CONSTRAINT well_formed_citation_page_spec CHECK (pg ~ '^([1-9]\d*(\u2013[1-9]\d*)?)?$');
}
end
end