Differential D2988 Diff 11236 swh/storage/sql/40-swh-func.sql

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swh/storage/sql/40-swh-func.sql

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as $$		as $$
create temporary table if not exists tmp_snapshot_branch (		create temporary table if not exists tmp_snapshot_branch (
name bytea not null,		name bytea not null,
target bytea,		target bytea,
target_type snapshot_target		target_type snapshot_target
) on commit delete rows;		) on commit delete rows;
$$;		$$;

-- create a temporary table for the tools
create or replace function swh_mktemp_tool()
returns void
language sql
as $$
create temporary table if not exists tmp_tool (
like tool including defaults
) on commit delete rows;
alter table tmp_tool drop column if exists id;
$$;

-- a content signature is a set of cryptographic checksums that we use to		-- a content signature is a set of cryptographic checksums that we use to
-- uniquely identify content, for the purpose of verifying if we already have		-- uniquely identify content, for the purpose of verifying if we already have
-- some content or not during content injection		-- some content or not during content injection
create type content_signature as (		create type content_signature as (
sha1 sha1,		sha1 sha1,
sha1_git sha1_git,		sha1_git sha1_git,
sha256 sha256,		sha256 sha256,
blake2s256 blake2s256		blake2s256 blake2s256
▲ Show 20 Lines • Show All 792 Lines • ▼ Show 20 Lines	as $$
select r.id, r.target, r.target_type, r.date, r.date_offset, r.date_neg_utc_offset, r.name, r.comment,		select r.id, r.target, r.target_type, r.date, r.date_offset, r.date_neg_utc_offset, r.name, r.comment,
r.synthetic, p.id as author_id, p.fullname as author_fullname, p.name as author_name, p.email as author_email, r.object_id		r.synthetic, p.id as author_id, p.fullname as author_fullname, p.name as author_name, p.email as author_email, r.object_id
from rels r		from rels r
left join person p on p.id = r.author		left join person p on p.id = r.author
order by r.object_id;		order by r.object_id;
$$;		$$;


-- end revision_metadata functions
-- origin_metadata functions
create type origin_metadata_signature as (
id bigint,
origin_url text,
discovery_date timestamptz,
tool_id bigint,
metadata jsonb,
provider_id integer,
provider_name text,
provider_type text,
provider_url text
);
create or replace function swh_origin_metadata_get_by_origin(
origin text)
returns setof origin_metadata_signature
language sql
stable
as $$
select om.id as id, o.url as origin_url, discovery_date, tool_id, om.metadata,
mp.id as provider_id, provider_name, provider_type, provider_url
from origin_metadata as om
inner join metadata_provider mp on om.provider_id = mp.id
inner join origin o on om.origin_id = o.id
where o.url = origin
order by discovery_date desc;
$$;

create or replace function swh_origin_metadata_get_by_provider_type(
origin_url text,
provider_type text)
returns setof origin_metadata_signature
language sql
stable
as $$
select om.id as id, o.url as origin_url, discovery_date, tool_id, om.metadata,
mp.id as provider_id, provider_name, provider_type, provider_url
from origin_metadata as om
inner join metadata_provider mp on om.provider_id = mp.id
inner join origin o on om.origin_id = o.id
where o.url = origin_url
and mp.provider_type = provider_type
order by discovery_date desc;
$$;
-- end origin_metadata functions

-- add tmp_tool entries to tool,
-- skipping duplicates if any.
--
-- operates in bulk: 0. create temporary tmp_tool, 1. COPY to
-- it, 2. call this function to insert and filtering out duplicates
create or replace function swh_tool_add()
returns setof tool
language plpgsql
as $$
begin
insert into tool(name, version, configuration)
select name, version, configuration from tmp_tool tmp
on conflict(name, version, configuration) do nothing;

return query
select id, name, version, configuration
from tmp_tool join tool
using(name, version, configuration);

return;
end
$$;


-- simple counter mapping a textual label to an integer value		-- simple counter mapping a textual label to an integer value
create type counter as (		create type counter as (
label text,		label text,
value bigint		value bigint
);		);

-- return statistics about the number of tuples in various SWH tables		-- return statistics about the number of tuples in various SWH tables
--		--
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