MatrixSynapse/synapse/storage/schema/delta/14/v14.sql

CREATE TABLE IF NOT EXISTS push_rules_enable (
  id BIGINT PRIMARY KEY,
  user_name VARCHAR(255) NOT NULL,
  rule_id VARCHAR(255) NOT NULL,
  enabled TINYINT,
  UNIQUE(user_name, rule_id)
) ;

CREATE INDEX IF NOT EXISTS push_rules_enable_user_name on push_rules_enable (user_name);