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java.lang.Objectorg.apache.derby.impl.sql.compile.QueryTreeNode
org.apache.derby.impl.sql.compile.ValueNode
org.apache.derby.impl.sql.compile.BinaryListOperatorNode
A BinaryListOperatorNode represents a built-in "binary" operator with a single operand on the left of the operator and a list of operands on the right. This covers operators such as IN and BETWEEN.
Field Summary | |
(package private) java.lang.String |
leftInterfaceType
|
(package private) ValueNode |
leftOperand
|
(package private) java.lang.String |
methodName
|
(package private) java.lang.String |
operator
|
(package private) ValueNode |
receiver
|
(package private) java.lang.String |
rightInterfaceType
|
(package private) ValueNodeList |
rightOperandList
|
Fields inherited from class org.apache.derby.impl.sql.compile.ValueNode |
clause, dataTypeServices, IN_HAVING_CLAUSE, IN_SELECT_LIST, IN_UNKNOWN_CLAUSE, IN_WHERE_CLAUSE, transformed |
Fields inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode |
AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX, beginOffset, endOffset |
Constructor Summary | |
BinaryListOperatorNode()
|
Method Summary | |
Visitable |
accept(Visitor v)
Accept a visitor, and call v.visit() on child nodes as necessary. |
void |
bindComparisonOperator()
Test the type compatability of the operands and set the type info for this node. |
ValueNode |
bindExpression(FromList fromList,
SubqueryList subqueryList,
java.util.Vector aggregateVector)
Bind this expression. |
boolean |
categorize(JBitSet referencedTabs,
boolean simplePredsOnly)
Categorize this predicate. |
boolean |
constantExpression(PredicateList whereClause)
Return whether or not this expression tree represents a constant value. |
ValueNode |
getLeftOperand()
Get the leftOperand |
protected int |
getOrderableVariantType()
Return the variant type for the underlying expression. |
ValueNodeList |
getRightOperandList()
Get the rightOperandList |
void |
init(java.lang.Object leftOperand,
java.lang.Object rightOperandList,
java.lang.Object operator,
java.lang.Object methodName)
Initializer for a BinaryListOperatorNode |
boolean |
isConstantExpression()
Return whether or not this expression tree represents a constant expression. |
ValueNode |
preprocess(int numTables,
FromList outerFromList,
SubqueryList outerSubqueryList,
PredicateList outerPredicateList)
Preprocess an expression tree. |
void |
printSubNodes(int depth)
Prints the sub-nodes of this object. |
ValueNode |
remapColumnReferencesToExpressions()
Remap all ColumnReferences in this tree to be clones of the underlying expression. |
void |
setClause(int clause)
Set the clause that this node appears in. |
void |
setLeftOperand(ValueNode newLeftOperand)
Set the leftOperand to the specified ValueNode |
void |
setRightOperandList(ValueNodeList newRightOperandList)
Set the rightOperandList to the specified ValueNodeList |
java.lang.String |
toString()
Convert this object to a String. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
java.lang.String methodName
java.lang.String operator
java.lang.String leftInterfaceType
java.lang.String rightInterfaceType
ValueNode receiver
ValueNode leftOperand
ValueNodeList rightOperandList
Constructor Detail |
public BinaryListOperatorNode()
Method Detail |
public void init(java.lang.Object leftOperand, java.lang.Object rightOperandList, java.lang.Object operator, java.lang.Object methodName)
init
in class QueryTreeNode
leftOperand
- The left operand of the noderightOperandList
- The right operand list of the nodeoperator
- String representation of operatorpublic java.lang.String toString()
toString
in class ValueNode
public void printSubNodes(int depth)
printSubNodes
in class QueryTreeNode
depth
- The depth of this node in the tree
public void setClause(int clause)
setClause
in class ValueNode
clause
- The clause that this node appears in.
public ValueNode bindExpression(FromList fromList, SubqueryList subqueryList, java.util.Vector aggregateVector) throws StandardException
bindExpression
in class ValueNode
fromList
- The FROM list for the query this
expression is in, for binding columns.subqueryList
- The subquery list being built as we find SubqueryNodesaggregateVector
- The aggregate vector being built as we find AggregateNodes
StandardException
- Thrown on errorpublic void bindComparisonOperator() throws StandardException
StandardException
- Thrown on errorpublic ValueNode preprocess(int numTables, FromList outerFromList, SubqueryList outerSubqueryList, PredicateList outerPredicateList) throws StandardException
preprocess
in class ValueNode
numTables
- Number of tables in the DML StatementouterFromList
- FromList from outer query blockouterSubqueryList
- SubqueryList from outer query blockouterPredicateList
- PredicateList from outer query block
StandardException
- Thrown on errorpublic void setLeftOperand(ValueNode newLeftOperand)
newLeftOperand
- The new leftOperand
public ValueNode getLeftOperand()
public void setRightOperandList(ValueNodeList newRightOperandList)
newRightOperandList
- The new rightOperandList
public ValueNodeList getRightOperandList()
public boolean categorize(JBitSet referencedTabs, boolean simplePredsOnly) throws StandardException
categorize
in class ValueNode
referencedTabs
- JBitSet with bit map of referenced FromTablessimplePredsOnly
- Whether or not to consider method
calls, field references and conditional nodes
when building bit map
StandardException
- Thrown on errorpublic ValueNode remapColumnReferencesToExpressions() throws StandardException
remapColumnReferencesToExpressions
in class ValueNode
StandardException
- Thrown on errorpublic boolean isConstantExpression()
isConstantExpression
in class ValueNode
public boolean constantExpression(PredicateList whereClause)
ValueNode
constantExpression
in class ValueNode
ValueNode.constantExpression(org.apache.derby.impl.sql.compile.PredicateList)
protected int getOrderableVariantType() throws StandardException
getOrderableVariantType
in class ValueNode
StandardException
- thrown on errorpublic Visitable accept(Visitor v) throws StandardException
accept
in interface Visitable
accept
in class QueryTreeNode
v
- the visitor
StandardException
- on error
|
Built on Mon 2007-06-04 09:58:47+0400, from revision ??? | |||||||||
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