protected String readField() throws IOException { try { tokenizer.getString(); if (statementType == ScriptReaderBase.DELETE_STATEMENT) { tokenizer.getString(); tokenizer.getString(); } String s = tokenizer.getString(); if (tokenizer.getType() == Types.SQL_ALL_TYPES) { s = null; } return s; } catch (HsqlException e) { throw new IOException(e.getMessage()); } }