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java.lang.Objectorg.apache.derby.impl.sql.compile.QueryTreeNode
org.apache.derby.impl.sql.compile.OrderedColumn
public abstract class OrderedColumn
An ordered column has position. It is an abstract class for group by and order by columns.
Field Summary | |
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protected int |
columnPosition
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protected static int |
UNMATCHEDPOSITION
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Fields inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode |
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AUTOINCREMENT_CREATE_MODIFY, AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX, isPrivilegeCollectionRequired |
Constructor Summary | |
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OrderedColumn()
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Method Summary | |
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int |
getColumnPosition()
Get the position of this column |
boolean |
isAscending()
Indicate whether this column is ascending or not. |
boolean |
isNullsOrderedLow()
Indicate whether this column should be ordered NULLS low. |
void |
setColumnPosition(int columnPosition)
Set the position of this column |
java.lang.String |
toString()
Convert this object to a String. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected static final int UNMATCHEDPOSITION
protected int columnPosition
Constructor Detail |
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public OrderedColumn()
Method Detail |
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public boolean isAscending()
public boolean isNullsOrderedLow()
public java.lang.String toString()
toString
in class QueryTreeNode
public int getColumnPosition()
public void setColumnPosition(int columnPosition)
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Built on Thu 2012-03-29 21:53:33+0000, from revision ??? | ||||||||
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