38 lines
1.1 KiB
SQL
38 lines
1.1 KiB
SQL
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ALTER TABLE brand_questions
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ADD COLUMN IF NOT EXISTS current_version_id BIGINT;
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CREATE TABLE IF NOT EXISTS brand_question_versions (
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id BIGSERIAL PRIMARY KEY,
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question_id BIGINT NOT NULL REFERENCES brand_questions(id),
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question_text TEXT NOT NULL,
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question_hash VARCHAR(64) NOT NULL,
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version_no INT NOT NULL,
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is_active BOOLEAN NOT NULL DEFAULT true,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT uk_question_version_no UNIQUE (question_id, version_no)
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);
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CREATE INDEX IF NOT EXISTS idx_question_hash ON brand_question_versions(question_hash);
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INSERT INTO brand_question_versions (question_id, question_text, question_hash, version_no, is_active)
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SELECT q.id,
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q.question_text,
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md5(q.question_text),
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1,
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true
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FROM brand_questions q
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WHERE NOT EXISTS (
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SELECT 1
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FROM brand_question_versions v
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WHERE v.question_id = q.id
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);
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UPDATE brand_questions q
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SET current_version_id = v.id
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FROM brand_question_versions v
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WHERE v.question_id = q.id
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AND v.version_no = 1;
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ALTER TABLE brand_questions
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DROP COLUMN IF EXISTS question_text;
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