-- Run like:
--   psql sandcrawler < dump_unextracted_pdf.sql

BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE READ ONLY DEFERRABLE;

COPY (
  SELECT DISTINCT ON (cdx.sha1hex) row_to_json(cdx)
  FROM grobid
  LEFT JOIN cdx ON grobid.sha1hex = cdx.sha1hex
  --LEFT JOIN fatcat_file ON grobid.sha1hex = fatcat_file.sha1hex
  LEFT JOIN pdf_meta ON grobid.sha1hex = pdf_meta.sha1hex
  WHERE cdx.sha1hex IS NOT NULL
    --AND fatcat_file.sha1hex IS NOT NULL
    AND pdf_meta.sha1hex IS NULL
)
TO '/grande/snapshots/dump_unextracted_pdf.fatcat.2020-07-22.json'
WITH NULL '';

ROLLBACK;