27 lines
1.2 KiB
SQL
27 lines
1.2 KiB
SQL
-- Cohorts table
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CREATE TABLE IF NOT EXISTS cohorts (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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organization_id UUID NOT NULL,
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name TEXT NOT NULL,
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description TEXT,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT cohorts_organization_id_fkey FOREIGN KEY (organization_id) REFERENCES organizations(id) ON DELETE CASCADE
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);
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-- User-Cohort relationship table (M:N)
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CREATE TABLE IF NOT EXISTS user_cohorts (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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cohort_id UUID NOT NULL,
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user_id UUID NOT NULL,
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assigned_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT user_cohorts_cohort_id_fkey FOREIGN KEY (cohort_id) REFERENCES cohorts(id) ON DELETE CASCADE,
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CONSTRAINT user_cohorts_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
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CONSTRAINT user_cohorts_unique UNIQUE (cohort_id, user_id)
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);
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-- Indexes for performance
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CREATE INDEX IF NOT EXISTS idx_cohorts_organization_id ON cohorts(organization_id);
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CREATE INDEX IF NOT EXISTS idx_user_cohorts_cohort_id ON user_cohorts(cohort_id);
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CREATE INDEX IF NOT EXISTS idx_user_cohorts_user_id ON user_cohorts(user_id);
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