Replace Postgres with SQLite
Ten members and a handful of songs a week never needed a database server,
and the server was the last thing making this a two-container deployment.
modernc.org/sqlite is pure Go, so CGO_ENABLED=0 survives and the dependency
count is unchanged: pgx out, sqlite in.
The port stayed small because the driver matches $1-style placeholders
against argument ordinals exactly as pgx does, so no query needed rewriting
for parameters. What did change:
- timestamptz becomes timestamp holding UTC 'YYYY-MM-DD HH:MM:SS'. The
declared type is what makes the driver return time.Time, and the
fixed-width UTC string is what makes ordering and comparison against
datetime('now') mean what they say.
- interval has no equivalent: sessions.idle_ttl is seconds, and the review
edit window travels as a SQLite date modifier string.
- No stddev_pop, so the divisive and unified boards spell the population
formula out, guarded with max(0.0, ...) because cancellation returns a
tiny negative when every score is identical.
- foreign_keys is off by default, so the cascades only exist because the
pragma is set on every connection.
Drops the postgres service, its healthcheck, the depends_on gate, the
startup retry loop and POSTGRES_PASSWORD. ./storage is now the whole
backup. Tests get a fresh database file per test and run everywhere
instead of skipping without TEST_DATABASE_URL.
This commit is contained in:
Esa Kataja
+48
-44
@@ -1,52 +1,56 @@
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-- Timestamps are declared `timestamp` and hold UTC 'YYYY-MM-DD HH:MM:SS': the declared type is what
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-- makes the driver hand them back as time.Time, and a fixed-width UTC string is what makes
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-- `order by created_at` and `expires_at > datetime('now')` mean what they say.
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create table users (
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id bigserial primary key,
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name text not null,
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email text not null unique,
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password_hash text not null,
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id integer primary key autoincrement,
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name text not null,
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email text not null unique,
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password_hash text not null,
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avatar text,
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banned boolean not null default false,
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created_at timestamptz not null default now()
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banned integer not null default 0,
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created_at timestamp not null default (datetime('now'))
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);
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create table sessions (
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token text primary key,
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user_id bigint not null references users (id) on delete cascade,
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idle_ttl interval not null,
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expires_at timestamptz not null,
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created_at timestamptz not null default now()
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token text primary key,
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user_id integer not null references users (id) on delete cascade,
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idle_ttl integer not null, -- seconds; SQLite has no interval type
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expires_at timestamp not null,
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created_at timestamp not null default (datetime('now'))
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);
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create index on sessions (user_id);
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create index sessions_user on sessions (user_id);
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create table invites (
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id bigserial primary key,
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code text not null unique,
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is_valid boolean not null default true,
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created_at timestamptz not null default now()
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id integer primary key autoincrement,
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code text not null unique,
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is_valid integer not null default 1,
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created_at timestamp not null default (datetime('now'))
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);
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create table songs (
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id bigserial primary key,
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title text not null,
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artist text not null,
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genre text not null,
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id integer primary key autoincrement,
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title text not null,
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artist text not null,
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genre text not null,
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description text,
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-- LRC or plain text, told apart by whether the first line starts with '['. Not covered by the
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-- lock: nobody reviewed the lyrics.
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lyrics text,
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audio_file text not null,
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duration_seconds integer not null,
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audio_file text not null,
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duration_seconds integer not null,
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source_url text,
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submitted_by bigint not null references users (id),
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created_at timestamptz not null default now()
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submitted_by integer not null references users (id),
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created_at timestamp not null default (datetime('now'))
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);
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create index on songs (created_at desc);
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create index songs_created_at on songs (created_at desc);
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create table submissions (
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id bigserial primary key,
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user_id bigint not null references users (id) on delete cascade,
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status text not null default 'queued',
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id integer primary key autoincrement,
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user_id integer not null references users (id) on delete cascade,
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status text not null default 'queued',
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status_msg text,
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source_url text,
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tmp_path text,
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@@ -55,37 +59,37 @@ create table submissions (
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genre text,
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description text,
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lyrics text,
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created_at timestamptz not null default now(),
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created_at timestamp not null default (datetime('now')),
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constraint submissions_status check (
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status in ('queued', 'downloading', 'converting', 'ready', 'failed')
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)
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);
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-- The submission quota (5 per rolling 24h, failures excluded) reads this.
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create index on submissions (user_id, created_at desc);
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create index submissions_user_created on submissions (user_id, created_at desc);
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create table reviews (
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id bigserial primary key,
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song_id bigint not null references songs (id) on delete cascade,
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reviewer_id bigint not null references users (id),
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score integer not null check (score between 1 and 100),
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text text not null,
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created_at timestamptz not null default now(),
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updated_at timestamptz not null default now(),
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id integer primary key autoincrement,
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song_id integer not null references songs (id) on delete cascade,
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reviewer_id integer not null references users (id),
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score integer not null check (score between 1 and 100),
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text text not null,
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created_at timestamp not null default (datetime('now')),
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updated_at timestamp not null default (datetime('now')),
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unique (song_id, reviewer_id)
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);
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create index on reviews (song_id);
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create index reviews_song on reviews (song_id);
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-- The queue asks "songs this member has not reviewed" — that lookup is by reviewer.
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create index on reviews (reviewer_id, song_id);
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create index reviews_reviewer_song on reviews (reviewer_id, song_id);
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create table reports (
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id bigserial primary key,
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user_id bigint not null references users (id) on delete cascade,
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body text not null,
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id integer primary key autoincrement,
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user_id integer not null references users (id) on delete cascade,
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body text not null,
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page text,
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user_agent text,
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resolved_at timestamptz,
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created_at timestamptz not null default now()
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resolved_at timestamp,
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created_at timestamp not null default (datetime('now'))
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);
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