29 lines
1.2 KiB
SQL
Executable file
29 lines
1.2 KiB
SQL
Executable file
-- Migration: Create user_companies pivot table
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-- Description: N:M relationship for multi-tenant - users can belong to multiple companies
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CREATE TABLE IF NOT EXISTS user_companies (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v7(),
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user_id UUID NOT NULL,
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company_id UUID NOT NULL,
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role VARCHAR(20) NOT NULL CHECK (role IN ('admin', 'recruiter')),
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permissions JSONB, -- Optional granular permissions
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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-- Foreign keys
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
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FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE CASCADE,
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-- Ensure unique user-company pairs
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UNIQUE(user_id, company_id)
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);
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-- Indexes for efficient lookups
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CREATE INDEX idx_user_companies_user ON user_companies(user_id);
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CREATE INDEX idx_user_companies_company ON user_companies(company_id);
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CREATE INDEX idx_user_companies_role ON user_companies(role);
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-- Comments
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COMMENT ON TABLE user_companies IS 'Multi-tenant pivot: links users to companies with specific roles';
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COMMENT ON COLUMN user_companies.role IS 'Role within this company: admin or recruiter';
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COMMENT ON COLUMN user_companies.permissions IS 'Optional JSON object for granular permissions per company';
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