diff options
Diffstat (limited to 'nix/libstore/schema.sql')
-rw-r--r-- | nix/libstore/schema.sql | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/nix/libstore/schema.sql b/nix/libstore/schema.sql deleted file mode 100644 index c1b4a689af..0000000000 --- a/nix/libstore/schema.sql +++ /dev/null @@ -1,44 +0,0 @@ -create table if not exists ValidPaths ( - id integer primary key autoincrement not null, - path text unique not null, - hash text not null, - registrationTime integer not null, - deriver text, - narSize integer -); - -create table if not exists Refs ( - referrer integer not null, - reference integer not null, - primary key (referrer, reference), - foreign key (referrer) references ValidPaths(id) on delete cascade, - foreign key (reference) references ValidPaths(id) on delete restrict -); - -create index if not exists IndexReferrer on Refs(referrer); -create index if not exists IndexReference on Refs(reference); - --- Paths can refer to themselves, causing a tuple (N, N) in the Refs --- table. This causes a deletion of the corresponding row in --- ValidPaths to cause a foreign key constraint violation (due to `on --- delete restrict' on the `reference' column). Therefore, explicitly --- get rid of self-references. -create trigger if not exists DeleteSelfRefs before delete on ValidPaths - begin - delete from Refs where referrer = old.id and reference = old.id; - end; - -create table if not exists DerivationOutputs ( - drv integer not null, - id text not null, -- symbolic output id, usually "out" - path text not null, - primary key (drv, id), - foreign key (drv) references ValidPaths(id) on delete cascade -); - -create index if not exists IndexDerivationOutputs on DerivationOutputs(path); - -create table if not exists FailedPaths ( - path text primary key not null, - time integer not null -); |