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java.lang.Objectcom.mckoi.database.QueryPlan.SingleQueryPlanNode
public abstract static class QueryPlan.SingleQueryPlanNode
A QueryPlanNode with a single child.
Field Summary | |
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protected QueryPlanNode |
child
The single child node. |
Constructor Summary | |
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protected |
QueryPlan.SingleQueryPlanNode(QueryPlanNode child)
Constructor. |
Method Summary | |
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QueryPlanNode |
child()
Returns the child plan. |
java.lang.Object |
clone()
Deep clone. |
void |
debugString(int level,
java.lang.StringBuffer buf)
Writes a textural representation of the node to the StringBuffer at the given indent level. |
java.util.ArrayList |
discoverCorrelatedVariables(int level,
java.util.ArrayList list)
Default implementation that discovers correlated variables for the given offset level. |
java.util.ArrayList |
discoverTableNames(java.util.ArrayList list)
Default implementation delegates responsibility to child. |
java.lang.String |
titleString()
|
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface com.mckoi.database.QueryPlanNode |
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evaluate |
Field Detail |
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protected QueryPlanNode child
Constructor Detail |
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protected QueryPlan.SingleQueryPlanNode(QueryPlanNode child)
Method Detail |
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public QueryPlanNode child()
public java.util.ArrayList discoverTableNames(java.util.ArrayList list)
discoverTableNames
in interface QueryPlanNode
public java.util.ArrayList discoverCorrelatedVariables(int level, java.util.ArrayList list)
discoverCorrelatedVariables
in interface QueryPlanNode
public java.lang.Object clone() throws java.lang.CloneNotSupportedException
clone
in interface QueryPlanNode
clone
in class java.lang.Object
java.lang.CloneNotSupportedException
public java.lang.String titleString()
public void debugString(int level, java.lang.StringBuffer buf)
QueryPlanNode
debugString
in interface QueryPlanNode
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