Todd Knight
ec6151d174
Create Schema Manager and propagate contexts into the DB calls downstream. Add checks at controller startup and database init for correct schema version and schema migration dirty bit being set.
202 lines
9.3 KiB
PL/PgSQL
202 lines
9.3 KiB
PL/PgSQL
begin;
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/*
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┌─────────────────┐ ┌─────────────────────┐
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│ host │ │ static_host │
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├─────────────────┤ ├─────────────────────┤
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│ public_id (pk) │ │ public_id (pk) │
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│ catalog_id (fk) │┼┼──────○┼│ catalog_id (fk) │┼┼─────────────────────┐
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│ │ │ address │ ◀fk1 │
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└─────────────────┘ └─────────────────────┘ │
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╲│╱ ╲│╱ │
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○ ○ │
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│ │ │
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┼ ┼ ○
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┼ ┼ ╱│╲
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┌─────────────────┐ ┌─────────────────────┐ ┌────────────────────────┐
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│ host_catalog │ │ static_host_catalog │ │ static_host_set_member │
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├─────────────────┤ ├─────────────────────┤ ├────────────────────────┤
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│ public_id (pk) │ │ public_id (pk) │ │ host_id (pk,fk1) │
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│ scope_id (fk) │┼┼──────○┼│ scope_id (fk) │ │ set_id (pk,fk2) │
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│ │ │ │ │ catalog_id (fk1,fk2) │
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└─────────────────┘ └─────────────────────┘ └────────────────────────┘
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┼ ┼ ╲│╱
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┼ ┼ ○
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│ │ │
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○ ○ │
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╱│╲ ╱│╲ │
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┌─────────────────┐ ┌─────────────────────┐ │
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│ host_set │ │ static_host_set │ │
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├─────────────────┤ ├─────────────────────┤ │
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│ public_id (pk) │ │ public_id (pk) │ ◀fk2 │
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│ catalog_id (fk) │┼┼──────○┼│ catalog_id (fk) │┼┼─────────────────────┘
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│ │ │ │
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└─────────────────┘ └─────────────────────┘
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*/
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create table static_host_catalog (
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public_id wt_public_id
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primary key,
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scope_id wt_scope_id
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not null
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references iam_scope (public_id)
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on delete cascade
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on update cascade,
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name text,
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description text,
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create_time wt_timestamp,
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update_time wt_timestamp,
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version wt_version,
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foreign key (scope_id, public_id)
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references host_catalog (scope_id, public_id)
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on delete cascade
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on update cascade,
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unique(scope_id, name)
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);
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create trigger update_version_column after update on static_host_catalog
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for each row execute procedure update_version_column();
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create trigger update_time_column before update on static_host_catalog
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for each row execute procedure update_time_column();
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create trigger default_create_time_column before insert on static_host_catalog
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for each row execute procedure default_create_time();
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create trigger immutable_columns before update on static_host_catalog
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for each row execute procedure immutable_columns('public_id', 'scope_id','create_time');
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create trigger insert_host_catalog_subtype before insert on static_host_catalog
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for each row execute procedure insert_host_catalog_subtype();
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create trigger delete_host_catalog_subtype after delete on static_host_catalog
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for each row execute procedure delete_host_catalog_subtype();
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create table static_host (
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public_id wt_public_id primary key,
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catalog_id wt_public_id not null
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references static_host_catalog (public_id)
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on delete cascade
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on update cascade,
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name text,
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description text,
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address text not null
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constraint address_must_be_more_than_2_characters
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check(length(trim(address)) > 2)
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constraint address_must_be_less_than_256_characters
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check(length(trim(address)) < 256),
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create_time wt_timestamp,
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update_time wt_timestamp,
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version wt_version,
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unique(catalog_id, name),
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foreign key (catalog_id, public_id)
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references host (catalog_id, public_id)
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on delete cascade
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on update cascade,
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-- The order of columns is important for performance. See:
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-- https://dba.stackexchange.com/questions/58970/enforcing-constraints-two-tables-away/58972#58972
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-- https://dba.stackexchange.com/questions/27481/is-a-composite-index-also-good-for-queries-on-the-first-field
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unique(catalog_id, public_id)
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);
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create trigger update_version_column after update on static_host
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for each row execute procedure update_version_column();
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create trigger update_time_column before update on static_host
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for each row execute procedure update_time_column();
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create trigger default_create_time_column before insert on static_host
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for each row execute procedure default_create_time();
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create trigger immutable_columns before update on static_host
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for each row execute procedure immutable_columns('public_id', 'catalog_id','create_time');
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create trigger insert_host_subtype before insert on static_host
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for each row execute procedure insert_host_subtype();
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create trigger delete_host_subtype after delete on static_host
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for each row execute procedure delete_host_subtype();
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create table static_host_set (
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public_id wt_public_id primary key,
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catalog_id wt_public_id not null
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references static_host_catalog (public_id)
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on delete cascade
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on update cascade,
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name text,
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description text,
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create_time wt_timestamp,
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update_time wt_timestamp,
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version wt_version,
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unique(catalog_id, name),
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foreign key (catalog_id, public_id)
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references host_set (catalog_id, public_id)
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on delete cascade
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on update cascade,
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unique(catalog_id, public_id)
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);
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create trigger update_version_column after update on static_host_set
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for each row execute procedure update_version_column();
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create trigger update_time_column before update on static_host_set
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for each row execute procedure update_time_column();
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create trigger default_create_time_column before insert on static_host_set
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for each row execute procedure default_create_time();
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create trigger immutable_columns before update on static_host_set
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for each row execute procedure immutable_columns('public_id', 'catalog_id','create_time');
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create trigger insert_host_set_subtype before insert on static_host_set
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for each row execute procedure insert_host_set_subtype();
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create trigger delete_host_set_subtype after delete on static_host_set
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for each row execute procedure delete_host_set_subtype();
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create table static_host_set_member (
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host_id wt_public_id not null,
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set_id wt_public_id not null,
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catalog_id wt_public_id not null,
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primary key(host_id, set_id),
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foreign key (catalog_id, host_id) -- fk1
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references static_host (catalog_id, public_id)
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on delete cascade
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on update cascade,
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foreign key (catalog_id, set_id) -- fk2
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references static_host_set (catalog_id, public_id)
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on delete cascade
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on update cascade
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);
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create trigger immutable_columns before update on static_host_set_member
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for each row execute procedure immutable_columns('host_id', 'set_id', 'catalog_id');
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create or replace function insert_static_host_set_member()
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returns trigger
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as $$
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begin
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select static_host_set.catalog_id
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into new.catalog_id
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from static_host_set
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where static_host_set.public_id = new.set_id;
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return new;
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end;
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$$ language plpgsql;
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create trigger insert_static_host_set_member before insert on static_host_set_member
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for each row execute procedure insert_static_host_set_member();
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insert into oplog_ticket (name, version)
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values
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('static_host_catalog', 1),
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('static_host', 1),
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('static_host_set', 1),
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('static_host_set_member', 1);
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commit;
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