6 lines
405 B
SQL
6 lines
405 B
SQL
ALTER TABLE relationship ADD COLUMN relationship_type SMALLINT NOT NULL DEFAULT 1;
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ALTER TABLE relationship ALTER COLUMN relationship_type DROP DEFAULT;
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ALTER TABLE relationship DROP CONSTRAINT relationship_pkey;
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ALTER TABLE relationship ADD PRIMARY KEY (id);
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ALTER TABLE relationship ADD CONSTRAINT relationship_source_id_target_id_relationship_type_key UNIQUE (source_id, target_id, relationship_type);
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