CREATE TABLE local_file_access_source ( ts TIMESTAMP TIME INDEX, host STRING PRIMARY KEY, val DOUBLE ); INSERT INTO local_file_access_source VALUES (1, 'host-1', 1.0), (2, 'host-2', 2.0); COPY local_file_access_source TO 'local_file_access/table.parquet'; CREATE EXTERNAL TABLE local_file_access_external WITH ( location = 'local_file_access/table.parquet', format = 'parquet' ); SELECT COUNT(*) FROM local_file_access_external; COPY (SELECT * FROM local_file_access_source) TO 'local_file_access/query.parquet'; COPY DATABASE public TO 'local_file_access/database/'; COPY local_file_access_source FROM '../escape.parquet'; DROP TABLE local_file_access_external; DROP TABLE local_file_access_source;