presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/SchemaDao.java/SchemaDao/createTableDistributions
class SchemaDao:    @SqlUpdate("CREATE TABLE IF NOT EXISTS distributions (\n" +
            "  distribution_id BIGINT PRIMARY KEY AUTO_INCREMENT,\n" +
            "  distribution_name VARCHAR(255),\n" +
            "  column_types TEXT NOT NULL,\n" +
            "  bucket_count INT NOT NULL,\n" +
            "  UNIQUE (distribution_name)\n" +
            ")")
    void createTableDistributions();