remove expand char limit on MangaTable columns

server/src/main/kotlin/suwayomi/tachidesk/manga/impl/backup/proto/models/BackupHistory.kt

@@ -13,4 +13,4 @@ data class BrokenBackupHistory(
 data class BackupHistory(
     @ProtoNumber(1) var url: String,
     @ProtoNumber(2) var lastRead: Long
-)
+)

server/src/main/kotlin/suwayomi/tachidesk/manga/model/table/MangaTable.kt

@@ -21,10 +21,10 @@ object MangaTable : IntIdTable() {
     val title = varchar("title", 512)
     val initialized = bool("initialized").default(false)
 
-    val artist = varchar("artist", 64).nullable()
-    val author = varchar("author", 64).nullable()
-    val description = varchar("description", 4096).nullable()
-    val genre = varchar("genre", 1024).nullable()
+    val artist = varchar("artist", 512).nullable()
+    val author = varchar("author", 512).nullable()
+    val description = varchar("description", Integer.MAX_VALUE).nullable()
+    val genre = varchar("genre", Integer.MAX_VALUE).nullable()
 
     val status = integer("status").default(SManga.UNKNOWN)
     val thumbnail_url = varchar("thumbnail_url", 2048).nullable()

server/src/main/kotlin/suwayomi/tachidesk/server/database/migration/M0014_MangaRemoveLengthLimit.kt

@@ -0,0 +1,20 @@
+package suwayomi.tachidesk.server.database.migration
+
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+import de.neonew.exposed.migrations.helpers.SQLMigration
+
+@Suppress("ClassName", "unused")
+class M0014_MangaRemoveLengthLimit : SQLMigration() {
+    override val sql = """
+        ALTER TABLE MANGA ALTER COLUMN ARTIST VARCHAR(512);
+        ALTER TABLE MANGA ALTER COLUMN AUTHOR VARCHAR(512);
+        ALTER TABLE MANGA ALTER COLUMN DESCRIPTION VARCHAR; -- the default length is `Integer.MAX_VALUE`
+        ALTER TABLE MANGA ALTER COLUMN GENRE VARCHAR; -- the default length is `Integer.MAX_VALUE`
+    """.trimIndent()
+}