21 lines
828 B
SQL
21 lines
828 B
SQL
-- Add user_allowed_groups join table to replace users.allowed_groups (BIGINT[]).
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-- Phase 1: create table + backfill from the legacy array column.
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CREATE TABLE IF NOT EXISTS user_allowed_groups (
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user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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group_id BIGINT NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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PRIMARY KEY (user_id, group_id)
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);
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CREATE INDEX IF NOT EXISTS idx_user_allowed_groups_group_id ON user_allowed_groups(group_id);
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-- Backfill from the legacy users.allowed_groups array.
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INSERT INTO user_allowed_groups (user_id, group_id)
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SELECT u.id, x.group_id
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FROM users u
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CROSS JOIN LATERAL unnest(u.allowed_groups) AS x(group_id)
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JOIN groups g ON g.id = x.group_id
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WHERE u.allowed_groups IS NOT NULL
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ON CONFLICT DO NOTHING;
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