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57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
import type { Migration } from '../storage';
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export const FILE_MIGRATIONS: readonly Migration[] = [
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{
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id: 700,
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name: 'files',
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sql: `
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CREATE TABLE file_node (
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jmap TEXT NOT NULL,
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id TEXT NOT NULL,
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parent_id TEXT,
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name TEXT NOT NULL DEFAULT '',
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-- file, directory or symlink, whichever way the server says so.
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kind TEXT NOT NULL,
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blob_id TEXT,
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size INTEGER,
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json TEXT NOT NULL,
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gen INTEGER NOT NULL DEFAULT 0,
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pinned INTEGER NOT NULL DEFAULT 0,
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pinned_at INTEGER,
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-- When the page last opened it. Cleared when its content is pushed out.
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opened_at INTEGER,
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-- Why the content isn't kept: tooLarge, overLimit, notAllowed or download.
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keep_error TEXT,
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-- Failed downloads in a row, and when the last one was.
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keep_failures INTEGER NOT NULL DEFAULT 0,
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keep_failed_at INTEGER,
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-- The kept content of the version before blob_id, until blob_id is kept.
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stale_blob_id TEXT,
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PRIMARY KEY (jmap, id)
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) WITHOUT ROWID;
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CREATE INDEX file_node_parent ON file_node (jmap, parent_id);
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CREATE INDEX file_node_blob ON file_node (jmap, blob_id);
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CREATE INDEX file_node_stale ON file_node (jmap, stale_blob_id);
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CREATE TABLE file_blob (
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jmap TEXT NOT NULL,
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blob_id TEXT NOT NULL,
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type TEXT NOT NULL,
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size INTEGER NOT NULL,
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kept_at INTEGER NOT NULL,
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-- 0 while its chunks are still coming in. Nothing reads it until it's 1.
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complete INTEGER NOT NULL DEFAULT 0,
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PRIMARY KEY (jmap, blob_id)
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) WITHOUT ROWID;
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-- In pieces: a whole file bound at once would grow the WASM heap by its
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-- size, and that memory never comes back.
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CREATE TABLE file_blob_chunk (
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jmap TEXT NOT NULL,
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blob_id TEXT NOT NULL,
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seq INTEGER NOT NULL,
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data BLOB NOT NULL,
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PRIMARY KEY (jmap, blob_id, seq)
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);
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`,
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},
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];
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