feat(data): record created_at timestamps on parent/child data relatio…

…ns PE-3477

created_at is not essential for functionality, but it can be very nice to
have when debugging or writing cleanup/backfill scripts.

migrations/2023.04.24T19.18.36.data.nested-data.sql

@@ -2,6 +2,7 @@ CREATE TABLE IF NOT EXISTS contiguous_data_parents (
   hash BLOB NOT NULL,
   parent_hash BLOB NOT NULL,
   data_offset INTEGER NOT NULL,
+  created_at INTEGER NOT NULL,
   PRIMARY KEY (hash, parent_hash)
 );
 
@@ -10,5 +11,6 @@ CREATE TABLE IF NOT EXISTS contiguous_data_id_parents (
   parent_id BLOB NOT NULL,
   data_offset INTEGER NOT NULL,
   data_size INTEGER NOT NULL,
+  created_at INTEGER NOT NULL,
   PRIMARY KEY (id, parent_id)
 );

src/database/sql/data/nested-content.sql

@@ -3,10 +3,12 @@ INSERT OR REPLACE INTO contiguous_data_id_parents (
   id,
   parent_id,
   data_offset,
-  data_size
+  data_size,
+  created_at
 ) VALUES (
   :id,
   :parent_id,
   :data_offset,
-  :data_size
+  :data_size,
+  :created_at
 );

src/database/standalone-sqlite.ts

@@ -1405,6 +1405,7 @@ export class StandaloneSqliteDatabaseWorker {
       parent_id: fromB64Url(parentId),
       data_offset: dataOffset,
       data_size: dataSize,
+      created_at: +(Date.now() / 1000).toFixed(0),
     });
   }
 }

test/data-schema.sql

@@ -25,12 +25,14 @@ CREATE TABLE contiguous_data_parents (
   hash BLOB NOT NULL,
   parent_hash BLOB NOT NULL,
   data_offset INTEGER NOT NULL,
+  created_at INTEGER NOT NULL,
   PRIMARY KEY (hash, parent_hash)
 );
 CREATE TABLE contiguous_data_id_parents (
   id BLOB NOT NULL,
   parent_id BLOB NOT NULL,
   data_offset INTEGER NOT NULL,
   data_size INTEGER NOT NULL,
+  created_at INTEGER NOT NULL,
   PRIMARY KEY (id, parent_id)
 );