FdFactory.java
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package org.apache.doris.nereids.properties;
import org.apache.doris.catalog.TableIf;
import org.apache.doris.nereids.trees.expressions.SlotReference;
import com.google.common.collect.ImmutableSet;
/**
* Function dependence building factory.
*/
public class FdFactory {
public static final FdFactory INSTANCE = new FdFactory();
public TableFdItem createTableFdItem(ImmutableSet<SlotReference> parentExprs, boolean isUnique,
boolean isCandidate, ImmutableSet<TableIf> tableIds) {
TableFdItem fdItem = new TableFdItem(parentExprs, isUnique, isCandidate, tableIds);
return fdItem;
}
public ExprFdItem createExprFdItem(ImmutableSet<SlotReference> parentExprs, boolean isUnique,
ImmutableSet<SlotReference> childExprs) {
ExprFdItem fdItem = new ExprFdItem(parentExprs, isUnique, childExprs);
return fdItem;
}
}