114 lines
4.1 KiB
PL/PgSQL
114 lines
4.1 KiB
PL/PgSQL
-- ============================================
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-- SCHEMA LOG - Sistema TZZR
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-- Log inmutable de mensajes
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-- ============================================
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DROP SCHEMA IF EXISTS log CASCADE;
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CREATE SCHEMA log;
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-- Extensiones
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CREATE EXTENSION IF NOT EXISTS pgcrypto;
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-- Tipos
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CREATE TYPE log.ref_type AS ENUM ('context', 'accountant', 'secretary');
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-- ============================================
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-- Tabla 1: messages
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-- ============================================
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CREATE TABLE log.messages (
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id BIGSERIAL PRIMARY KEY,
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hash CHAR(64) UNIQUE NOT NULL,
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session_hash CHAR(64) NOT NULL,
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thread_hash CHAR(64),
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owner_id CHAR(64) NOT NULL,
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players_id CHAR(64)[] DEFAULT '{}',
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master_player CHAR(64),
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role TEXT,
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content TEXT NOT NULL,
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attachments JSONB DEFAULT '{}',
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prev_hash CHAR(64),
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hashtags CHAR(64)[] DEFAULT '{}',
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flag_id CHAR(64),
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master_item_id CHAR(64),
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item_id CHAR(64)[] DEFAULT '{}',
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loc_id CHAR(64),
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ambient JSONB,
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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CREATE INDEX idx_messages_session ON log.messages(session_hash);
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CREATE INDEX idx_messages_thread ON log.messages(thread_hash);
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CREATE INDEX idx_messages_owner ON log.messages(owner_id);
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CREATE INDEX idx_messages_master_player ON log.messages(master_player);
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CREATE INDEX idx_messages_prev ON log.messages(prev_hash);
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CREATE INDEX idx_messages_created ON log.messages(created_at);
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CREATE INDEX idx_messages_hashtags ON log.messages USING gin(hashtags);
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CREATE INDEX idx_messages_players ON log.messages USING gin(players_id);
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CREATE INDEX idx_messages_items ON log.messages USING gin(item_id);
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CREATE INDEX idx_messages_flag ON log.messages(flag_id);
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CREATE INDEX idx_messages_loc ON log.messages(loc_id);
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-- ============================================
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-- Tabla 2: message_refs
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-- Relaciona mensaje con contexto y conocimiento
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-- ============================================
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CREATE TABLE log.message_refs (
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id BIGSERIAL PRIMARY KEY,
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message_hash CHAR(64) NOT NULL,
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ref_hash CHAR(64) NOT NULL,
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ref_type log.ref_type NOT NULL,
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position INT NOT NULL,
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thread_hash CHAR(64),
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UNIQUE(message_hash, ref_hash)
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);
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CREATE INDEX idx_refs_message ON log.message_refs(message_hash);
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CREATE INDEX idx_refs_ref ON log.message_refs(ref_hash);
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CREATE INDEX idx_refs_type ON log.message_refs(ref_type);
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CREATE INDEX idx_refs_thread ON log.message_refs(thread_hash);
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-- ============================================
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-- Funciones
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-- ============================================
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CREATE OR REPLACE FUNCTION log.sha256(data TEXT) RETURNS CHAR(64) AS $$
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BEGIN
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RETURN encode(digest(data, 'sha256'), 'hex');
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END;
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$$ LANGUAGE plpgsql IMMUTABLE;
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CREATE OR REPLACE FUNCTION log.prevent_update() RETURNS TRIGGER AS $$
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BEGIN
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RAISE EXCEPTION 'UPDATE no permitido en %', TG_TABLE_NAME;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION log.prevent_delete() RETURNS TRIGGER AS $$
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BEGIN
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RAISE EXCEPTION 'DELETE no permitido en %', TG_TABLE_NAME;
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END;
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$$ LANGUAGE plpgsql;
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-- ============================================
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-- Triggers de protección
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-- ============================================
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CREATE TRIGGER protect_messages_update BEFORE UPDATE ON log.messages
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FOR EACH ROW EXECUTE FUNCTION log.prevent_update();
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CREATE TRIGGER protect_messages_delete BEFORE DELETE ON log.messages
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FOR EACH ROW EXECUTE FUNCTION log.prevent_delete();
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CREATE TRIGGER protect_refs_update BEFORE UPDATE ON log.message_refs
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FOR EACH ROW EXECUTE FUNCTION log.prevent_update();
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CREATE TRIGGER protect_refs_delete BEFORE DELETE ON log.message_refs
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FOR EACH ROW EXECUTE FUNCTION log.prevent_delete();
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-- ============================================
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-- Permisos
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-- ============================================
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GRANT USAGE ON SCHEMA log TO tzzr;
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GRANT SELECT, INSERT ON log.messages TO tzzr;
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GRANT SELECT, INSERT ON log.message_refs TO tzzr;
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GRANT USAGE ON SEQUENCE log.messages_id_seq TO tzzr;
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GRANT USAGE ON SEQUENCE log.message_refs_id_seq TO tzzr;
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SELECT 'Schema log: 2 tablas creadas' as status;
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