in modules/core/src/main/java/org/apache/fluo/recipes/core/common/TableOptimizations.java [60:67]
public void merge(TableOptimizations other) {
splits.addAll(other.splits);
if (tabletGroupingRegex.length() > 0 && other.tabletGroupingRegex.length() > 0) {
tabletGroupingRegex += "|" + other.tabletGroupingRegex;
} else {
tabletGroupingRegex += other.tabletGroupingRegex;
}
}