public static String getOpType(SourceRecord record) {
        String opType;
        final Envelope.Operation op = Envelope.operationFor(record);
        if (op == Envelope.Operation.CREATE || op == Envelope.Operation.READ) {
            opType = "INSERT";
        } else if (op == Envelope.Operation.DELETE) {
            opType = "DELETE";
        } else {
            opType = "UPDATE";
        }
        return opType;
    }
get sql type from table schema, represents the jdbc data type

@param tableSchema table schema
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/utils/MetaDataUtils.java