Loading zipped CSV(filename.csv.gz) file into PostgreSQL table

Question

How to load larger amount of csv.gz file into Postgresql without unzipping to csv file ,since I tried pipeline command (mkfifo pipelinename) but it doesn\'t work for me. Is

Answer 1

Just to share my simple examples using zcat instead of gzip. Simply less typing. I am using zcat to expand the gzipped file.

\copy tmptable from program 'zcat O1variant.tab.gz' with (format csv, delimiter E'\t', header TRUE)

Answer 2

Note that this should also work from inside psql:

\copy TABLE_NAME FROM PROGRAM 'gzip -dc FILENAME.csv.gz' DELIMITER ',' CSV HEADER NULL ''