BEGIN EXCLUSIVE;
CREATE TABLE branch_epochs
	(
	hash not null unique,         -- hash of remaining fields separated by ":"
	branch not null unique,       -- joins with revision_certs.value
	epoch not null                -- random hex-encoded id
	);
CREATE TABLE db_vars
        (
        domain not null,      -- scope of application of a var
        name not null,        -- var key
        value not null,       -- var value
        unique(domain, name)
        );
CREATE TABLE file_deltas
	(	
	id not null,      -- strong hash of file contents
	base not null,    -- joins with files.id or file_deltas.id
	delta not null,   -- rdiff to construct current from base
	unique(id, base)
	);
CREATE TABLE files
	(
	id primary key,   -- strong hash of file contents
	data not null     -- compressed, encoded contents of a file
	);
INSERT INTO files VALUES('1929e9f45b6777c31d067a9f3134a53db506e47c','H4sIAAAAAAAA/ytPzSxKyecCAJMv4PQHAAAA
');
CREATE TABLE manifest_certs
	(
	hash not null unique,   -- hash of remaining fields separated by ":"
	id not null,            -- joins with manifests.id or manifest_deltas.id
	name not null,          -- opaque string chosen by user
	value not null,         -- opaque blob
	keypair not null,       -- joins with public_keys.id
	signature not null,     -- RSA/SHA1 signature of "[name@id:val]"
	unique(name, id, value, keypair, signature)
	);
CREATE TABLE manifest_deltas
	(
	id not null,         -- strong hash of all the entries in a manifest
	base not null,       -- joins with either manifest.id or manifest_deltas.id
	delta not null,      -- rdiff to construct current from base
	unique(id, base)
	);
CREATE TABLE manifests
	(
	id primary key,      -- strong hash of all the entries in a manifest
	data not null        -- compressed, encoded contents of a manifest
	);
INSERT INTO manifests VALUES('078ee6a226774641ad23ff4d72f7acdc5ccfd226','H4sIAAAAAAAA/zO0NLJMtUwzMU0yMzc3TzY2TDEwM0+0TDM2NDZJNDVOSTI1MEs1MU9WUEjK
SczgAgC4r3wQLwAAAA==
');
CREATE TABLE next_roster_node_number
(
node primary key        -- only one entry in this table, ever
);
CREATE TABLE public_keys
	(
	hash not null unique,   -- hash of remaining fields separated by ":"
	id primary key,         -- key identifier chosen by user
	keydata not null        -- RSA public params
	);
INSERT INTO public_keys VALUES('de84b575d5e47254393eba49dce9dc4db98ed42d','njs@pobox.com','MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQC54vVjrrqYoTfPTgWm6JpuL+kOERcN2OSc
BsWq6cb4Wm3nlymwVqJJywq6cbfygUYwmqyiRLPxRosfLGu228AhEzaM4JbAH1pgg7CwvvVd
fHRXNAXEMgO89gBjkkecxLi4U/T67DrLjkRPAilCgWLZNv8YeOG9XAPegWyr7hNA9wIBEQ==');
CREATE TABLE revision_ancestry
	(
	parent not null,     -- joins with revisions.id
	child not null,      -- joins with revisions.id
	unique(parent, child)
	);
CREATE TABLE revision_certs
	(
	hash not null unique,   -- hash of remaining fields separated by ":"
	id not null,            -- joins with revisions.id
	name not null,          -- opaque string chosen by user
	value not null,         -- opaque blob
	keypair not null,       -- joins with public_keys.id
	signature not null,     -- RSA/SHA1 signature of "[name@id:val]"
	unique(name, id, value, keypair, signature)
	);
CREATE TABLE revision_roster
(
rev_id primary key,     -- joins with revisions.id
roster_id not null      -- joins with either rosters.id or roster_deltas.id
);
CREATE TABLE revisions
	(
	id primary key,      -- SHA1(text of revision)
	data not null        -- compressed, encoded contents of a revision
	);
CREATE TABLE roster_deltas
(
id not null,            -- strong hash of the roster
base not null,          -- joins with either rosters.id or roster_deltas.id
delta not null,         -- rdiff to construct current from base
unique(id, base)
);
CREATE TABLE rosters
(
id primary key,         -- strong hash of the roster
data not null           -- compressed, encoded contents of the roster
);
CREATE INDEX revision_ancestry__child ON revision_ancestry (child);
CREATE INDEX revision_certs__id ON revision_certs (id);
CREATE INDEX revision_certs__name_value ON revision_certs (name, value);
COMMIT;