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-- rows *may* be revisit records; indicated by mimetype == "warc/revisit"
-- records are implied to be 200 status (or 226 for ftp); either direct hits or
-- revisits
-- there is nothing to prevent duplicate hits. eg, same sha1, same url, many
-- datetimes. import scripts should take efforts to reduce this sort of
-- duplication though. one row per *domain*/sha1hex pair is a good guideline.
-- all ingest result url/dt pairs should be included though.
-- any mimetype is allowed, but presumption should be that actual body is full
-- manifestation of a work. AKA, no landing pages, no webcapture HTML (each
-- only a part of work). URLs that are parts of a fileset are allowed.
CREATE TABLE IF NOT EXISTS cdx (
url TEXT NOT NULL CHECK (octet_length(url) >= 1),
datetime TEXT NOT NULL CHECK (octet_length(datetime) = 14),
-- sha1hex/cdx_sha1hex difference is intended to help with difference between
-- CDX hash (which is transport encoded body) vs. actual body. Probably need to
-- include both for all records?
sha1hex TEXT NOT NULL CHECK (octet_length(sha1hex) = 40),
cdx_sha1hex TEXT CHECK (octet_length(cdx_sha1hex) = 40),
mimetype TEXT CHECK (octet_length(mimetype) >= 1),
-- TODO: enforce that only paths with '/' (item+file) should be included?
warc_path TEXT CHECK (octet_length(warc_path) >= 1),
warc_csize BIGINT,
warc_offset BIGINT,
row_created TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,
PRIMARY KEY(url, datetime)
);
CREATE INDEX IF NOT EXISTS cdx_sha1hex_idx ON cdx(sha1hex);
-- TODO: remove this index? not currently used
CREATE INDEX IF NOT EXISTS cdx_row_created_idx ON cdx(row_created);
-- TODO: require all fields. if mimetype unknown, should be octet-stream
CREATE TABLE IF NOT EXISTS file_meta (
sha1hex TEXT PRIMARY KEY CHECK (octet_length(sha1hex) = 40),
sha256hex TEXT CHECK (octet_length(sha256hex) = 64),
md5hex TEXT CHECK (octet_length(md5hex) = 32),
size_bytes BIGINT,
mimetype TEXT CHECK (octet_length(mimetype) >= 1)
);
CREATE INDEX file_meta_md5hex_idx ON file_meta(md5hex);
CREATE TABLE IF NOT EXISTS fatcat_file (
sha1hex TEXT PRIMARY KEY CHECK (octet_length(sha1hex) = 40),
file_ident TEXT CHECK (octet_length(file_ident) = 26),
first_release_ident TEXT CHECK (octet_length(first_release_ident) = 26)
);
CREATE TABLE IF NOT EXISTS petabox (
item TEXT NOT NULL CHECK (octet_length(item) >= 1),
path TEXT NOT NULL CHECK (octet_length(path) >= 1),
sha1hex TEXT NOT NULL CHECK (octet_length(sha1hex) = 40),
PRIMARY KEY(item, path)
);
CREATE INDEX petabox_sha1hex_idx ON petabox(sha1hex);
CREATE TABLE IF NOT EXISTS grobid (
sha1hex TEXT PRIMARY KEY CHECK (octet_length(sha1hex) = 40),
updated TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,
grobid_version TEXT CHECK (octet_length(grobid_version) >= 1),
status_code INT NOT NULL,
status TEXT CHECK (octet_length(status) >= 1),
fatcat_release TEXT CHECK (octet_length(fatcat_release) = 26),
-- extracted basic biblio metadata:
-- title
-- authors[]
-- full/display
-- given_name
-- surname
-- affiliation
-- year
-- journal_issn
-- journal_name
-- refs_count
metadata JSONB
);
-- CREATE INDEX grobid_fatcat_release_idx ON grobid(fatcat_release);
CREATE TABLE IF NOT EXISTS pdftrio (
sha1hex TEXT PRIMARY KEY CHECK (octet_length(sha1hex) = 40),
updated TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,
status_code INT NOT NULL,
status TEXT CHECK (octet_length(status) >= 1) NOT NULL,
pdftrio_version TEXT CHECK (octet_length(pdftrio_version) >= 1),
models_date DATE,
ensemble_score REAL,
bert_score REAL,
linear_score REAL,
image_score REAL
);
CREATE TABLE IF NOT EXISTS ingest_request (
link_source TEXT NOT NULL CHECK (octet_length(link_source) >= 1),
link_source_id TEXT NOT NULL CHECK (octet_length(link_source_id) >= 1),
ingest_type TEXT NOT NULL CHECK (octet_length(ingest_type) >= 1),
base_url TEXT NOT NULL CHECK (octet_length(base_url) >= 1),
ingest_request_source TEXT CHECK (octet_length(ingest_request_source) >= 1),
created TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,
release_stage TEXT CHECK (octet_length(release_stage) >= 1),
request JSONB,
-- request isn't required, but can stash extra fields there for import, eg:
-- ext_ids (source/source_id sometimes enough)
-- fatcat_release (if ext_ids and source/source_id not specific enough; eg SPN)
-- edit_extra
PRIMARY KEY (link_source, link_source_id, ingest_type, base_url)
);
CREATE INDEX ingest_request_base_url_idx ON ingest_request(base_url, ingest_type);
CREATE TABLE IF NOT EXISTS ingest_file_result (
ingest_type TEXT NOT NULL CHECK (octet_length(ingest_type) >= 1),
base_url TEXT NOT NULL CHECK (octet_length(base_url) >= 1),
updated TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,
hit BOOLEAN NOT NULL,
status TEXT CHECK (octet_length(terminal_url) >= 1),
terminal_url TEXT CHECK (octet_length(terminal_url) >= 1),
terminal_dt TEXT CHECK (octet_length(terminal_dt) = 14),
terminal_status_code INT,
terminal_sha1hex TEXT CHECK (octet_length(terminal_sha1hex) = 40),
PRIMARY KEY (ingest_type, base_url)
);
CREATE INDEX ingest_file_result_terminal_url_idx ON ingest_file_result(terminal_url);
CREATE INDEX ingest_file_result_terminal_sha1hex_idx ON ingest_file_result(terminal_sha1hex);
CREATE TABLE IF NOT EXISTS shadow (
shadow_corpus TEXT NOT NULL CHECK (octet_length(shadow_corpus) >= 1),
shadow_id TEXT NOT NULL CHECK (octet_length(shadow_id) >= 1),
sha1hex TEXT NOT NULL CHECK (octet_length(sha1hex) = 40),
doi TEXT CHECK (octet_length(doi) >= 1),
pmid TEXT CHECK (octet_length(pmid) >= 1),
isbn13 TEXT CHECK (octet_length(isbn13) >= 1),
PRIMARY KEY(shadow_corpus, shadow_id)
);
CREATE INDEX shadow_sha1hex_idx ON shadow(sha1hex);
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