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Improve CDN mismatch reconciliation query.

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This commit is contained in:
Greyson Parrelli 2026-06-08 16:07:19 +00:00 committed by Cody Henthorne
parent 4c08b94b88
commit 7e8c6228d8
1 changed files with 5 additions and 3 deletions
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8
app/src/main/java/org/thoughtcrime/securesms/database/BackupMediaSnapshotTable.kt
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@ -288,15 +288,17 @@ class BackupMediaSnapshotTable(context: Context, database: SignalDatabase) : Dat
return emptyList()
}
val inputValues = objects.joinToString(separator = ", ") { "('${it.mediaId}', ${it.cdn})" }
val placeholders = objects.joinToString(separator = ", ") { "(?, ?)" }
val args: Array<Any> = objects.flatMap { listOf(it.mediaId, it.cdn) }.toTypedArray()
return readableDatabase.rawQuery(
"""
WITH input_pairs($MEDIA_ID, $CDN) AS (VALUES $inputValues)
WITH input_pairs($MEDIA_ID, $CDN) AS (VALUES $placeholders)
SELECT a.$PLAINTEXT_HASH, a.$REMOTE_KEY, b.$CDN
FROM $TABLE_NAME a
JOIN input_pairs b ON a.$MEDIA_ID = b.$MEDIA_ID
WHERE a.$CDN != b.$CDN AND a.$IS_THUMBNAIL = 0 AND $SNAPSHOT_VERSION = $MAX_VERSION
"""
""",
*args
).readToList { cursor ->
CdnMismatchResult(
plaintextHash = cursor.requireNonNullBlob(PLAINTEXT_HASH),