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37 lines
1.7 KiB
Swift
37 lines
1.7 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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import GRDB
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import SessionUtilitiesKit
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/// This migration recreates the interaction FTS table and adds the threadId so we can do a performant in-conversation
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/// searh (currently it's much slower than the global search)
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enum _010_AddThreadIdToFTS: Migration {
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static let target: TargetMigrations.Identifier = .messagingKit
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static let identifier: String = "AddThreadIdToFTS" // stringlint:disable
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static let needsConfigSync: Bool = false
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static let minExpectedRunDuration: TimeInterval = 3
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static let fetchedTables: [(TableRecord & FetchableRecord).Type] = []
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static let createdOrAlteredTables: [(TableRecord & FetchableRecord).Type] = []
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static let droppedTables: [(TableRecord & FetchableRecord).Type] = []
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static func migrate(_ db: Database, using dependencies: Dependencies) throws {
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// Can't actually alter a virtual table in SQLite so we need to drop and recreate it,
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// luckily this is actually pretty quick
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if try db.tableExists(Interaction.fullTextSearchTableName) {
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try db.drop(table: Interaction.fullTextSearchTableName)
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try db.dropFTS5SynchronizationTriggers(forTable: Interaction.fullTextSearchTableName)
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}
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try db.create(virtualTable: Interaction.fullTextSearchTableName, using: FTS5()) { t in
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t.synchronize(withTable: Interaction.databaseTableName)
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t.tokenizer = _001_InitialSetupMigration.fullTextSearchTokenizer
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t.column(Interaction.Columns.body.name)
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t.column(Interaction.Columns.threadId.name)
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}
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Storage.update(progress: 1, for: self, in: target) // In case this is the last migration
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}
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}
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