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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 TEXT NOT NULL CHECK (octet_length(sha1hex) = 40),
cdx_sha1hex TEXT CHECK (octet_length(cdx_sha1hex) = 40),
mimetype TEXT CHECK (octet_length(mimetype) >= 1),
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);
CREATE INDEX IF NOT EXISTS cdx_row_created_idx ON cdx(row_created);
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 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 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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