root
70 lines
2.1 KiB
PL/PgSQL
70 lines
2.1 KiB
PL/PgSQL
-- Privacy Gateway Datenbank-Schema
|
|
|
|
-- Sessions/Tabs für Multi-Chat
|
|
CREATE TABLE IF NOT EXISTS sessions (
|
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
|
name VARCHAR(255) NOT NULL,
|
|
model VARCHAR(100) DEFAULT 'llama3.2:latest',
|
|
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
|
|
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
|
|
metadata JSONB DEFAULT '{}'
|
|
);
|
|
|
|
-- Nachrichten pro Session
|
|
CREATE TABLE IF NOT EXISTS messages (
|
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
|
session_id UUID REFERENCES sessions(id) ON DELETE CASCADE,
|
|
role VARCHAR(20) NOT NULL CHECK (role IN ('user', 'assistant', 'system')),
|
|
original_content TEXT NOT NULL,
|
|
anonymized_content TEXT,
|
|
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
|
|
);
|
|
|
|
-- PII-Mappings für Re-Identifizierung
|
|
CREATE TABLE IF NOT EXISTS pii_mappings (
|
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
|
session_id UUID REFERENCES sessions(id) ON DELETE CASCADE,
|
|
message_id UUID REFERENCES messages(id) ON DELETE CASCADE,
|
|
pii_type VARCHAR(50) NOT NULL,
|
|
original_value TEXT NOT NULL,
|
|
anonymized_value TEXT NOT NULL,
|
|
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
|
|
);
|
|
|
|
-- PII-Typen-Enum
|
|
CREATE TYPE pii_type AS ENUM (
|
|
'name_person',
|
|
'name_company',
|
|
'address',
|
|
'email',
|
|
'phone',
|
|
'birthdate',
|
|
'account_number',
|
|
'iban',
|
|
'employee_id',
|
|
'credit_card',
|
|
'tax_id',
|
|
'custom'
|
|
);
|
|
|
|
-- Indexe für Performance
|
|
CREATE INDEX IF NOT EXISTS idx_messages_session ON messages(session_id);
|
|
CREATE INDEX IF NOT EXISTS idx_messages_created ON messages(created_at);
|
|
CREATE INDEX IF NOT EXISTS idx_pii_session ON pii_mappings(session_id);
|
|
CREATE INDEX IF NOT EXISTS idx_pii_message ON pii_mappings(message_id);
|
|
CREATE INDEX IF NOT EXISTS idx_pii_anonymized ON pii_mappings(anonymized_value);
|
|
|
|
-- Trigger für updated_at
|
|
CREATE OR REPLACE FUNCTION update_updated_at_column()
|
|
RETURNS TRIGGER AS $$
|
|
BEGIN
|
|
NEW.updated_at = CURRENT_TIMESTAMP;
|
|
RETURN NEW;
|
|
END;
|
|
$$ language 'plpgsql';
|
|
|
|
CREATE TRIGGER update_sessions_updated_at
|
|
BEFORE UPDATE ON sessions
|
|
FOR EACH ROW
|
|
EXECUTE FUNCTION update_updated_at_column();
|