-- Run like: -- psql sandcrawler < THING.sql > THING.2019-09-23.json BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE READ ONLY DEFERRABLE; COPY ( SELECT row_to_json(grobid) FROM grobid LEFT JOIN fatcat_file ON grobid.sha1hex = fatcat_file.sha1hex WHERE fatcat_file.sha1hex IS NULL AND grobid.fatcat_release IS NOT NULL LIMIT 1000 ) TO '/srv/sandcrawler/tasks/dump_unmatched_glutton_pdf.2020-06-30.json'; --TO STDOUT --WITH NULL ''; ROLLBACK;