public void setOffsetWrapperClause(String offsetWrapperClause) {
        this.offsetWrapperClause = offsetWrapperClause;
    }
This class represents clauses of a SELECT query as required by Siddhi RDBMS Event Tables per supported DB vendor.
modules/siddhi-core/src/main/java/io/siddhi/core/aggregation/persistedaggregation/config/DBAggregationSelectQueryTemplate.java