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-- SPDX-FileCopyrightText: 2025 Shota FUJI <pockawoooh@gmail.com>
-- SPDX-License-Identifier: AGPL-3.0-only

CREATE TABLE events (
	seq INTEGER PRIMARY KEY ON CONFLICT ROLLBACK AUTOINCREMENT,
	committed_at INTEGER DEFAULT CURRENT_TIMESTAMP,
	payload BLOB
);

CREATE TABLE projections (
	id INTEGER PRIMARY KEY AUTOINCREMENT,
	projection_name TEXT UNIQUE ON CONFLICT ROLLBACK NOT NULL ON CONFLICT ROLLBACK
);

CREATE TABLE snapshots (
	id INTEGER PRIMARY KEY AUTOINCREMENT,
	event_seq INTEGER NOT NULL ON CONFLICT ROLLBACK,
	projection_id INTEGER NOT NULL ON CONFLICT ROLLBACK,
	payload BLOB,
	FOREIGN KEY(projection_id) REFERENCES projections(id) ON DELETE CASCADE
);

CREATE UNIQUE INDEX workspace_projection_index ON snapshots (
	event_seq,
	projection_id
);