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https://github.com/gristlabs/grist-core.git
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71519d9e5c
Summary: Deliberate changes: * save snapshots to s3 prior to migrations. * label migration snapshots in s3 metadata. * avoid pruning migration snapshots for a month. Opportunistic changes: * Associate document timezone with snapshots, so pruning can respect timezones. * Associate actionHash/Num with snapshots. * Record time of last change in snapshots (rather than just s3 upload time, which could be a while later). This ended up being a biggish change, because there was nowhere ideal to put tags (list of possibilities in diff). Test Plan: added tests Reviewers: dsagal Reviewed By: dsagal Differential Revision: https://phab.getgrist.com/D2646
38 lines
878 B
TypeScript
38 lines
878 B
TypeScript
/**
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* Core metadata about a single document version.
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*/
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export interface ObjSnapshot {
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lastModified: string;
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snapshotId: string;
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}
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/**
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* Extended Grist metadata about a single document version. Names of fields are kept
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* short since there is a tight limit on total metadata size in S3.
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*/
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export interface ObjMetadata {
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t?: string; // timestamp
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tz?: string; // timezone
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h?: string; // actionHash
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n?: number; // actionNum
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label?: string;
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}
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export interface ObjSnapshotWithMetadata extends ObjSnapshot {
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metadata?: ObjMetadata;
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}
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/**
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* Information about a single document snapshot in S3, including a Grist docId.
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*/
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export interface DocSnapshot extends ObjSnapshotWithMetadata {
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docId: string;
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}
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/**
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* A collection of document snapshots. Most recent snapshots first.
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*/
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export interface DocSnapshots {
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snapshots: DocSnapshot[];
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}
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