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-- !BEFORE! running this SQL file, make sure to kill Multi,
-- After running this SQL file, also make sure to do a:
-- $ rm -r static/rg/
-- And start multi again
-- VN Relation graphs are stored in the database as SVG - no cmaps and .png anymore
UPDATE vn SET rgraph = NULL;
ALTER TABLE vn DROP CONSTRAINT vn_rgraph_fkey;
DROP TABLE relgraph;
CREATE TABLE vn_graphs (
id SERIAL PRIMARY KEY,
svg xml NOT NULL
);
ALTER TABLE vn ADD FOREIGN KEY (rgraph) REFERENCES vn_graphs (id);
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