From 3931c76154d4f418d5ea9acc5e47bf911d371c24 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Mon, 4 Jun 2018 15:40:09 +0200 Subject: database: 'with-database' can now initialize new databases. * nix/libstore/schema.sql: Rename to... * guix/store/schema.sql: ... this. * Makefile.am (nobase_dist_guilemodule_DATA): Add it. * nix/local.mk (%D%/libstore/schema.sql.hh): Adjust accordingly. * guix/store/database.scm (sql-schema): New variable. (sqlite-exec, initialize-database, call-with-database): New procedures. (with-database): Rewrite in terms of 'call-with-database'. * tests/store-database.scm ("new database"): New test. * guix/self.scm (compiled-guix)[*core-modules*]: Add 'schema.sql' to #:extra-files. --- nix/libstore/schema.sql | 44 -------------------------------------------- 1 file changed, 44 deletions(-) delete mode 100644 nix/libstore/schema.sql (limited to 'nix/libstore') 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 -); -- cgit v1.2.3