public void setMergeClause(String mergeClause) {
        this.mergeClause = mergeClause;
    }
<p>
A SQL statement that specifies a custom merge behavior.
</p>

@param mergeClause
       A SQL statement that specifies a custom merge behavior.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/SnowflakeNodeData.java