54 lines
2.6 KiB
SQL
54 lines
2.6 KiB
SQL
CREATE TABLE broadcasts (
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id bigserial PRIMARY KEY,
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message text NOT NULL CHECK (message <> '' AND octet_length(message) <= 4096),
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target_mode varchar(16) NOT NULL CHECK (target_mode IN ('all', 'selected')),
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snapshot_max_user_id bigint NOT NULL DEFAULT 0,
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enumeration_cursor_user_id bigint NOT NULL DEFAULT 0,
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enumeration_done boolean NOT NULL DEFAULT false,
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target_count bigint NOT NULL DEFAULT 0 CHECK (target_count >= 0),
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materialized_count bigint NOT NULL DEFAULT 0 CHECK (materialized_count >= 0),
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sent_count bigint NOT NULL DEFAULT 0 CHECK (sent_count >= 0),
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failed_count bigint NOT NULL DEFAULT 0 CHECK (failed_count >= 0),
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created_by varchar(128) NOT NULL DEFAULT '',
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created_at timestamptz NOT NULL DEFAULT now(),
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CHECK (enumeration_cursor_user_id >= 0 AND enumeration_cursor_user_id <= snapshot_max_user_id),
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CHECK (sent_count + failed_count <= materialized_count)
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);
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CREATE TABLE broadcast_recipients (
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id bigserial PRIMARY KEY,
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broadcast_id bigint NOT NULL REFERENCES broadcasts(id) ON DELETE CASCADE,
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user_id bigint NOT NULL,
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status varchar(16) NOT NULL DEFAULT 'pending'
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CHECK (status IN ('pending', 'processing', 'sent', 'failed')),
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attempts integer NOT NULL DEFAULT 0 CHECK (attempts >= 0),
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next_attempt_at timestamptz NOT NULL DEFAULT now(),
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lease_token varchar(64) NOT NULL DEFAULT '',
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lease_until timestamptz,
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last_error varchar(500) NOT NULL DEFAULT '',
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private_message_id bigint NOT NULL DEFAULT 0,
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message_box_id integer NOT NULL DEFAULT 0,
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pts integer NOT NULL DEFAULT 0,
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sent_at timestamptz,
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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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UNIQUE (broadcast_id, user_id),
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CHECK (
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(status = 'sent' AND private_message_id > 0 AND message_box_id > 0 AND pts > 0 AND sent_at IS NOT NULL)
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OR
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(status <> 'sent' AND private_message_id = 0 AND message_box_id = 0 AND pts = 0 AND sent_at IS NULL)
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),
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CHECK (
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(status = 'processing' AND lease_token <> '' AND lease_until IS NOT NULL)
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OR
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(status <> 'processing' AND lease_token = '' AND lease_until IS NULL)
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)
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);
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CREATE INDEX broadcasts_enumeration_idx ON broadcasts (id)
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WHERE target_mode = 'all' AND NOT enumeration_done;
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CREATE INDEX broadcast_recipients_pending_idx ON broadcast_recipients (next_attempt_at, id)
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WHERE status = 'pending';
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CREATE INDEX broadcast_recipients_processing_idx ON broadcast_recipients (lease_until, id)
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WHERE status = 'processing';
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CREATE INDEX broadcast_recipients_broadcast_idx ON broadcast_recipients (broadcast_id, id);
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