private void updateTables4() {
final FileInfoSet fileInfos = new FileInfoSet();
final Cursor cursor = myDatabase.rawQuery("SELECT file_name FROM Books", null);
while (cursor.moveToNext()) {
fileInfos.check(ZLFile.createFileByPath(cursor.getString(0)).getPhysicalFile(), false);
}
cursor.close();
fileInfos.save();
myDatabase.execSQL(
"CREATE TABLE RecentBooks("
+ "book_index INTEGER PRIMARY KEY,"
+ "book_id INTEGER REFERENCES Books(book_id))");
final ArrayList<Long> ids = new ArrayList<Long>();
final SQLiteStatement statement =
myDatabase.compileStatement("SELECT book_id FROM Books WHERE file_name = ?");
for (int i = 0; i < 20; ++i) {
final ZLStringOption option = new ZLStringOption("LastOpenedBooks", "Book" + i, "");
final String fileName = option.getValue();
option.setValue("");
try {
statement.bindString(1, fileName);
final long bookId = statement.simpleQueryForLong();
if (bookId != -1) {
ids.add(bookId);
}
} catch (SQLException e) {
}
}
saveRecentBookIds(ids);
}
private void updateTables6() {
myDatabase.execSQL("ALTER TABLE Bookmarks ADD COLUMN model_id TEXT");
myDatabase.execSQL("ALTER TABLE Books ADD COLUMN file_id INTEGER");
myDatabase.execSQL("DELETE FROM Files");
final FileInfoSet infoSet = new FileInfoSet();
Cursor cursor = myDatabase.rawQuery("SELECT file_name FROM Books", null);
while (cursor.moveToNext()) {
infoSet.check(ZLFile.createFileByPath(cursor.getString(0)).getPhysicalFile(), false);
}
cursor.close();
infoSet.save();
cursor = myDatabase.rawQuery("SELECT book_id,file_name FROM Books", null);
final SQLiteStatement deleteStatement =
myDatabase.compileStatement("DELETE FROM Books WHERE book_id = ?");
final SQLiteStatement updateStatement =
myDatabase.compileStatement("UPDATE Books SET file_id = ? WHERE book_id = ?");
while (cursor.moveToNext()) {
final long bookId = cursor.getLong(0);
final long fileId = infoSet.getId(ZLFile.createFileByPath(cursor.getString(1)));
if (fileId == -1) {
deleteStatement.bindLong(1, bookId);
deleteStatement.execute();
} else {
updateStatement.bindLong(1, fileId);
updateStatement.bindLong(2, bookId);
updateStatement.execute();
}
}
cursor.close();
myDatabase.execSQL("ALTER TABLE Books RENAME TO Books_Obsolete");
myDatabase.execSQL(
"CREATE TABLE Books("
+ "book_id INTEGER PRIMARY KEY,"
+ "encoding TEXT,"
+ "language TEXT,"
+ "title TEXT NOT NULL,"
+ "file_id INTEGER UNIQUE NOT NULL REFERENCES Files(file_id))");
myDatabase.execSQL(
"INSERT INTO Books (book_id,encoding,language,title,file_id) SELECT book_id,encoding,language,title,file_id FROM Books_Obsolete");
myDatabase.execSQL("DROP TABLE Books_Obsolete");
}