Java Doc for ReplaceAggregatesWithCRVisitor.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » sql » compile » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.sql.compile   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.impl.sql.compile.ReplaceAggregatesWithCRVisitor ReplaceAggregatesWithCRVisitor public class ReplaceAggregatesWithCRVisitor implements Visitor(Code) Replace all aggregates with result columns. author:    jamie Constructor Summary public   ReplaceAggregatesWithCRVisitor(ResultColumnList rcl, int tableNumber)      Replace all aggregates with column references. public   ReplaceAggregatesWithCRVisitor(ResultColumnList rcl, Class nodeToSkip)      Replace all aggregates with column references. Method Summary public  boolean skipChildren(Visitable node)      Don't visit childen under the skipOverClass node, if it isn't null. public  boolean stopTraversal()      public  Visitable visit(Visitable node)      Don't do anything unless we have an aggregate node. Constructor Detail ReplaceAggregatesWithCRVisitor public ReplaceAggregatesWithCRVisitor(ResultColumnList rcl, int tableNumber)(Code) Replace all aggregates with column references. Add the reference to the RCL. Delegates most work to AggregateNode.replaceAggregatesWithColumnReferences(rcl, tableNumber). Parameters:   rcl - the result column list Parameters:   tableNumber - The tableNumber for the new CRs ReplaceAggregatesWithCRVisitor public ReplaceAggregatesWithCRVisitor(ResultColumnList rcl, Class nodeToSkip)(Code) Replace all aggregates with column references. Add the reference to the RCL. Delegates most work to AggregateNode.replaceAggregatesWithColumnReferences(rcl). Doesn't traverse below the passed in class. Parameters:   rcl - the result column list Parameters:   nodeToSkip - don't examine anything below nodeToSkip Method Detail skipChildren public boolean skipChildren(Visitable node)(Code) Don't visit childen under the skipOverClass node, if it isn't null. true/false stopTraversal public boolean stopTraversal()(Code) visit public Visitable visit(Visitable node) throws StandardException(Code) Don't do anything unless we have an aggregate node. Parameters:   node - the node to process me exception:   StandardException - on error Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)