52 Zeilen
1.5 KiB
SQL
52 Zeilen
1.5 KiB
SQL
-- UTF-8 Encoding für deutsche Sonderzeichen sicherstellen
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SET client_encoding = 'UTF8';
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CREATE TABLE IF NOT EXISTS customers (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL,
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email TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS licenses (
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id SERIAL PRIMARY KEY,
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license_key TEXT UNIQUE NOT NULL,
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customer_id INTEGER REFERENCES customers(id),
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license_type TEXT NOT NULL,
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valid_from DATE NOT NULL,
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valid_until DATE NOT NULL,
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is_active BOOLEAN DEFAULT TRUE
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);
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CREATE TABLE IF NOT EXISTS sessions (
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id SERIAL PRIMARY KEY,
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license_id INTEGER REFERENCES licenses(id),
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session_id TEXT UNIQUE NOT NULL,
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ip_address TEXT,
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user_agent TEXT,
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started_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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last_heartbeat TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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ended_at TIMESTAMP,
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is_active BOOLEAN DEFAULT TRUE
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);
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-- Audit-Log-Tabelle für Änderungsprotokolle
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CREATE TABLE IF NOT EXISTS audit_log (
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id SERIAL PRIMARY KEY,
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timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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username TEXT NOT NULL,
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action TEXT NOT NULL,
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entity_type TEXT NOT NULL,
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entity_id INTEGER,
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old_values JSONB,
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new_values JSONB,
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ip_address TEXT,
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user_agent TEXT,
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additional_info TEXT
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);
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-- Index für bessere Performance bei Abfragen
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CREATE INDEX idx_audit_log_timestamp ON audit_log(timestamp DESC);
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CREATE INDEX idx_audit_log_username ON audit_log(username);
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CREATE INDEX idx_audit_log_entity ON audit_log(entity_type, entity_id);
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