154 lines
6.3 KiB
PL/PgSQL
154 lines
6.3 KiB
PL/PgSQL
-- Migration: Supporting Tables and Indexes
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-- Description: Creates notification and artifact tables plus performance optimization indexes
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-- Version: 20250101000005
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-- ============================================================================
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-- NOTIFICATION TABLE
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-- ============================================================================
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CREATE TABLE notification (
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id BIGSERIAL PRIMARY KEY,
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channel TEXT NOT NULL,
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entity_type TEXT NOT NULL,
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entity TEXT NOT NULL,
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activity TEXT NOT NULL,
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state notification_status_enum NOT NULL DEFAULT 'created',
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content JSONB,
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created TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- Indexes
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CREATE INDEX idx_notification_channel ON notification(channel);
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CREATE INDEX idx_notification_entity_type ON notification(entity_type);
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CREATE INDEX idx_notification_entity ON notification(entity);
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CREATE INDEX idx_notification_state ON notification(state);
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CREATE INDEX idx_notification_created ON notification(created DESC);
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CREATE INDEX idx_notification_channel_state ON notification(channel, state);
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CREATE INDEX idx_notification_entity_type_entity ON notification(entity_type, entity);
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CREATE INDEX idx_notification_state_created ON notification(state, created DESC);
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CREATE INDEX idx_notification_content_gin ON notification USING GIN (content);
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-- Trigger
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CREATE TRIGGER update_notification_updated
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BEFORE UPDATE ON notification
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FOR EACH ROW
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EXECUTE FUNCTION update_updated_column();
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-- Function for pg_notify on notification insert
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CREATE OR REPLACE FUNCTION notify_on_insert()
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RETURNS TRIGGER AS $$
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DECLARE
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payload TEXT;
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BEGIN
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-- Build JSON payload with id, entity, and activity
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payload := json_build_object(
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'id', NEW.id,
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'entity_type', NEW.entity_type,
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'entity', NEW.entity,
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'activity', NEW.activity
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)::text;
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-- Send notification to the specified channel
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PERFORM pg_notify(NEW.channel, payload);
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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-- Trigger to send pg_notify on notification insert
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CREATE TRIGGER notify_on_notification_insert
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AFTER INSERT ON notification
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FOR EACH ROW
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EXECUTE FUNCTION notify_on_insert();
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-- Permissions
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GRANT SELECT, INSERT, UPDATE, DELETE ON notification TO svc_attune;
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GRANT USAGE, SELECT ON SEQUENCE notification_id_seq TO svc_attune;
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-- Comments
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COMMENT ON TABLE notification IS 'System notifications about entity changes for real-time updates';
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COMMENT ON COLUMN notification.channel IS 'Notification channel (typically table name)';
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COMMENT ON COLUMN notification.entity_type IS 'Type of entity (table name)';
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COMMENT ON COLUMN notification.entity IS 'Entity identifier (typically ID or ref)';
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COMMENT ON COLUMN notification.activity IS 'Activity type (e.g., "created", "updated", "completed")';
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COMMENT ON COLUMN notification.state IS 'Processing state of notification';
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COMMENT ON COLUMN notification.content IS 'Optional notification payload data';
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-- ============================================================================
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-- ARTIFACT TABLE
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-- ============================================================================
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CREATE TABLE artifact (
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id BIGSERIAL PRIMARY KEY,
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ref TEXT NOT NULL,
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scope owner_type_enum NOT NULL DEFAULT 'system',
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owner TEXT NOT NULL DEFAULT '',
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type artifact_type_enum NOT NULL,
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retention_policy artifact_retention_enum NOT NULL DEFAULT 'versions',
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retention_limit INTEGER NOT NULL DEFAULT 1,
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created TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- Indexes
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CREATE INDEX idx_artifact_ref ON artifact(ref);
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CREATE INDEX idx_artifact_scope ON artifact(scope);
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CREATE INDEX idx_artifact_owner ON artifact(owner);
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CREATE INDEX idx_artifact_type ON artifact(type);
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CREATE INDEX idx_artifact_created ON artifact(created DESC);
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CREATE INDEX idx_artifact_scope_owner ON artifact(scope, owner);
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CREATE INDEX idx_artifact_type_created ON artifact(type, created DESC);
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-- Trigger
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CREATE TRIGGER update_artifact_updated
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BEFORE UPDATE ON artifact
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FOR EACH ROW
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EXECUTE FUNCTION update_updated_column();
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-- Permissions
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GRANT SELECT, INSERT, UPDATE, DELETE ON artifact TO svc_attune;
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GRANT USAGE, SELECT ON SEQUENCE artifact_id_seq TO svc_attune;
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-- Comments
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COMMENT ON TABLE artifact IS 'Artifacts track files, logs, and outputs from executions';
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COMMENT ON COLUMN artifact.ref IS 'Artifact reference/path';
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COMMENT ON COLUMN artifact.scope IS 'Owner type (system, identity, pack, action, sensor)';
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COMMENT ON COLUMN artifact.owner IS 'Owner identifier';
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COMMENT ON COLUMN artifact.type IS 'Artifact type (file, url, progress, etc.)';
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COMMENT ON COLUMN artifact.retention_policy IS 'How to retain artifacts (versions, days, hours, minutes)';
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COMMENT ON COLUMN artifact.retention_limit IS 'Numeric limit for retention policy';
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-- ============================================================================
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-- QUEUE_STATS TABLE
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-- ============================================================================
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CREATE TABLE queue_stats (
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action_id BIGINT PRIMARY KEY REFERENCES action(id) ON DELETE CASCADE,
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queue_length INTEGER NOT NULL DEFAULT 0,
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active_count INTEGER NOT NULL DEFAULT 0,
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max_concurrent INTEGER NOT NULL DEFAULT 1,
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oldest_enqueued_at TIMESTAMPTZ,
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total_enqueued BIGINT NOT NULL DEFAULT 0,
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total_completed BIGINT NOT NULL DEFAULT 0,
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last_updated TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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-- Indexes
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CREATE INDEX idx_queue_stats_last_updated ON queue_stats(last_updated);
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-- Permissions
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GRANT SELECT, INSERT, UPDATE, DELETE ON queue_stats TO svc_attune;
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-- Comments
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COMMENT ON TABLE queue_stats IS 'Real-time queue statistics for action execution ordering';
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COMMENT ON COLUMN queue_stats.action_id IS 'Foreign key to action table';
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COMMENT ON COLUMN queue_stats.queue_length IS 'Number of executions waiting in queue';
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COMMENT ON COLUMN queue_stats.active_count IS 'Number of currently running executions';
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COMMENT ON COLUMN queue_stats.max_concurrent IS 'Maximum concurrent executions allowed';
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COMMENT ON COLUMN queue_stats.oldest_enqueued_at IS 'Timestamp of oldest queued execution (NULL if queue empty)';
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COMMENT ON COLUMN queue_stats.total_enqueued IS 'Total executions enqueued since queue creation';
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COMMENT ON COLUMN queue_stats.total_completed IS 'Total executions completed since queue creation';
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COMMENT ON COLUMN queue_stats.last_updated IS 'Timestamp of last statistics update';
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