73 lines
3.8 KiB
SQL
73 lines
3.8 KiB
SQL
-- The consolidated schema, through migration 0001: what a fresh database is given at once (the mesh's rule: a
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-- numbered migration for the running store, and this for a fresh install).
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create table mail_group (
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id bigserial primary key,
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label text not null unique default '',
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created timestamptz not null default now());
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create table mail_entry (
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id bigserial primary key,
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account text not null,
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message_id text not null default '',
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folder text not null,
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date timestamptz not null,
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sender_name text not null default '',
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sender_address text not null default '',
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subject text not null default '',
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mail_group bigint references mail_group (id),
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summary text not null default '' check (char_length(summary) <= 160),
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mark text check (mark is null or mark in ('matters', 'scam warning', 'neither')),
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why text not null default '',
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due_date date,
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told boolean not null default false,
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judged timestamptz not null default now());
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create index mail_entry_account_date on mail_entry (account, date desc);
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create index mail_entry_judged on mail_entry (judged);
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-- A reading lesson (novox/hq ADR 0459 §8, §9, issue 1428): the corrected mail's own headers (never a body),
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-- the change made, when, and whether it was undone. sender_address and mail_group are its own matching keys
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-- for the next batch's question (1427): a lesson matches a mail of the same sender, or already known to be
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-- of the same mail group.
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create table reading_lesson (
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id bigserial primary key,
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account text not null default '',
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folder text not null default '',
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sender_name text not null default '',
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sender_address text not null default '',
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subject text not null default '',
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mail_group bigint references mail_group (id),
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change text not null default '',
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made timestamptz not null default now(),
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undone boolean not null default false);
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create index reading_lesson_sender on reading_lesson (sender_address);
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-- Heard but not yet read (novox/hq ADR 0459 §3, §12, issue 1518): headers only, kept until reading takes them,
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-- in the order they were heard (id, a bigserial, orders arrival regardless of the mail's own date). A mail
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-- heard twice is kept once: the unique key below is its account, folder, UIDVALIDITY and UID, the same
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-- identity mesh-mail's own event carries for a message whose message id may be empty.
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create table waiting_mail (
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id bigserial primary key,
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account text not null,
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folder text not null,
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message_id text not null default '',
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uidvalidity bigint not null default 0,
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uid bigint not null default 0,
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date timestamptz not null,
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sender jsonb not null default '[]',
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subject text not null default '',
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flags text[] not null default '{}',
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size bigint not null default 0,
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heard timestamptz not null default now(),
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unique (account, folder, uidvalidity, uid));
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-- The reader's own health (novox/hq ADR 0459 §12, issue 1519), kept across a restart: one row, singleton by
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-- its fixed id. cause is "" while healthy, else one of refused, timed out, out of shape; since is the first
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-- failure's own time, not the latest one.
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create table reader_health (
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id smallint primary key default 1,
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healthy boolean not null default true,
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cause text not null default '',
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why text not null default '',
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since timestamptz,
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constraint reader_health_singleton check (id = 1));
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