Java Doc for JavaToSQLValueNode.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.QueryTreeNode
      org.apache.derby.impl.sql.compile.ValueNode
         org.apache.derby.impl.sql.compile.JavaToSQLValueNode

JavaToSQLValueNode
public class JavaToSQLValueNode extends ValueNode (Code)
This node type converts a value from the Java domain to the SQL domain.


Field Summary
 JavaValueNodejavaNode
    


Method Summary
public  Visitableaccept(Visitor v)
     Accept a visitor, and call v.visit() on child nodes as necessary.
public  ValueNodebindExpression(FromList fromList, SubqueryList subqueryList, Vector aggregateVector)
     Bind this expression.
public  booleancategorize(JBitSet referencedTabs, boolean simplePredsOnly)
     Categorize this predicate.
public  voiddisablePrivilegeCollection()
    
public  voidgenerateExpression(ExpressionClassBuilder acb, MethodBuilder mb)
     Do code generation for this conversion of a value from the Java to the SQL domain.
public  JavaValueNodegetJavaValueNode()
     Get the JavaValueNode that lives under this JavaToSQLValueNode.
protected  intgetOrderableVariantType()
     Return the variant type for the underlying expression.
public  voidinit(Object value)
    
protected  booleanisEquivalent(ValueNode o)
    
public  ValueNodepreprocess(int numTables, FromList outerFromList, SubqueryList outerSubqueryList, PredicateList outerPredicateList)
     Preprocess an expression tree.
public  voidprintSubNodes(int depth)
     Prints the sub-nodes of this object.
public  ValueNoderemapColumnReferencesToExpressions()
     Remap all ColumnReferences in this tree to be clones of the underlying expression.
public  voidsetClause(int clause)
     Set the clause that this node appears in.

Field Detail
javaNode
JavaValueNode javaNode(Code)





Method Detail
accept
public Visitable accept(Visitor v) throws StandardException(Code)
Accept a visitor, and call v.visit() on child nodes as necessary.
Parameters:
  v - the visitor
exception:
  StandardException - on error



bindExpression
public ValueNode bindExpression(FromList fromList, SubqueryList subqueryList, Vector aggregateVector) throws StandardException(Code)
Bind this expression. This means binding the sub-expressions, as well as figuring out what the return type is for this expression.
Parameters:
  fromList - The FROM list for the query thisexpression is in, for binding columns.
Parameters:
  subqueryList - The subquery list being built as we findSubqueryNodes
Parameters:
  aggregateVector - The aggregate vector being built as we find AggregateNodes The new top of the expression tree.
exception:
  StandardException - Thrown on error



categorize
public boolean categorize(JBitSet referencedTabs, boolean simplePredsOnly) throws StandardException(Code)
Categorize this predicate. Initially, this means building a bit map of the referenced tables for each predicate. If the source of this ColumnReference (at the next underlying level) is not a ColumnReference or a VirtualColumnNode then this predicate will not be pushed down. For example, in: select * from (select 1 from s) a (x) where x = 1 we will not push down x = 1. NOTE: It would be easy to handle the case of a constant, but if the inner SELECT returns an arbitrary expression, then we would have to copy that tree into the pushed predicate, and that tree could contain subqueries and method calls.
Parameters:
  referencedTabs - JBitSet with bit map of referenced FromTables
Parameters:
  simplePredsOnly - Whether or not to consider methodcalls, field references and conditional nodeswhen building bit map boolean Whether or not source.expression is a ColumnReferenceor a VirtualColumnNode.
exception:
  StandardException - Thrown on error



disablePrivilegeCollection
public void disablePrivilegeCollection()(Code)

See Also:   QueryTreeNode.disablePrivilegeCollection



generateExpression
public void generateExpression(ExpressionClassBuilder acb, MethodBuilder mb) throws StandardException(Code)
Do code generation for this conversion of a value from the Java to the SQL domain.
Parameters:
  acb - The ExpressionClassBuilder for the class we're generating
Parameters:
  mb - the method the expression will go into
exception:
  StandardException - Thrown on error



getJavaValueNode
public JavaValueNode getJavaValueNode()(Code)
Get the JavaValueNode that lives under this JavaToSQLValueNode. The JavaValueNode that lives under this node.



getOrderableVariantType
protected int getOrderableVariantType() throws StandardException(Code)
Return the variant type for the underlying expression. The variant type can be: VARIANT - variant within a scan (method calls and non-static field access) SCAN_INVARIANT - invariant within a scan (column references from outer tables) QUERY_INVARIANT - invariant within the life of a query (constant expressions) The variant type for the underlying expression.
exception:
  StandardException - thrown on error



init
public void init(Object value)(Code)
Initializer for a JavaToSQLValueNode
Parameters:
  value - The Java value to convert to the SQL domain



isEquivalent
protected boolean isEquivalent(ValueNode o)(Code)



preprocess
public ValueNode preprocess(int numTables, FromList outerFromList, SubqueryList outerSubqueryList, PredicateList outerPredicateList) throws StandardException(Code)
Preprocess an expression tree. We do a number of transformations here (including subqueries, IN lists, LIKE and BETWEEN) plus subquery flattening. NOTE: This is done before the outer ResultSetNode is preprocessed.
Parameters:
  numTables - Number of tables in the DML Statement
Parameters:
  outerFromList - FromList from outer query block
Parameters:
  outerSubqueryList - SubqueryList from outer query block
Parameters:
  outerPredicateList - PredicateList from outer query block The modified expression
exception:
  StandardException - Thrown on error



printSubNodes
public void printSubNodes(int depth)(Code)
Prints the sub-nodes of this object. See QueryTreeNode for how tree printing is supposed to work.
Parameters:
  depth - The depth of this node in the tree



remapColumnReferencesToExpressions
public ValueNode remapColumnReferencesToExpressions() throws StandardException(Code)
Remap all ColumnReferences in this tree to be clones of the underlying expression. ValueNode The remapped expression tree.
exception:
  StandardException - Thrown on error



setClause
public void setClause(int clause)(Code)
Set the clause that this node appears in.
Parameters:
  clause - The clause that this node appears in.



Fields inherited from org.apache.derby.impl.sql.compile.ValueNode
final public static int IN_HAVING_CLAUSE(Code)(Java Doc)
final public static int IN_SELECT_LIST(Code)(Java Doc)
final public static int IN_UNKNOWN_CLAUSE(Code)(Java Doc)
final public static int IN_WHERE_CLAUSE(Code)(Java Doc)
protected int clause(Code)(Java Doc)
protected DataTypeDescriptor dataTypeServices(Code)(Java Doc)
boolean transformed(Code)(Java Doc)

Methods inherited from org.apache.derby.impl.sql.compile.ValueNode
public ValueNode bindExpression(FromList fromList, SubqueryList subqueryList, Vector aggregateVector) throws StandardException(Code)(Java Doc)
public ValueNode bindExpression(FromList fromList, SubqueryList subqueryList, Vector aggregateVector, boolean forQueryRewrite) throws StandardException(Code)(Java Doc)
public boolean categorize(JBitSet referencedTabs, boolean simplePredsOnly) throws StandardException(Code)(Java Doc)
public ValueNode changeToCNF(boolean underTopAndNode) throws StandardException(Code)(Java Doc)
public ValueNode checkIsBoolean() throws StandardException(Code)(Java Doc)
public void checkReliability(String fragmentType, int fragmentBitMask) throws StandardException(Code)(Java Doc)
public void checkReliability(int fragmentBitMask, String fragmentType) throws StandardException(Code)(Java Doc)
void checkTopPredicatesForEqualsConditions(int tableNumber, boolean[] eqOuterCols, int[] tableNumbers, JBitSet[] tableColMap, boolean resultColTable) throws StandardException(Code)(Java Doc)
public boolean constantExpression(PredicateList whereClause)(Code)(Java Doc)
public void copyFields(ValueNode oldVN) throws StandardException(Code)(Java Doc)
ValueNode eliminateNots(boolean underNotNode) throws StandardException(Code)(Java Doc)
public ValueNode genEqualsFalseTree() throws StandardException(Code)(Java Doc)
public ValueNode genIsNullTree() throws StandardException(Code)(Java Doc)
public ValueNode genSQLJavaSQLTree() throws StandardException(Code)(Java Doc)
final protected void generate(ActivationClassBuilder acb, MethodBuilder mb) throws StandardException(Code)(Java Doc)
public void generateExpression(ExpressionClassBuilder acb, MethodBuilder mb) throws StandardException(Code)(Java Doc)
public void generateFilter(ExpressionClassBuilder ecb, MethodBuilder mb) throws StandardException(Code)(Java Doc)
public int getClause()(Code)(Java Doc)
public ValueNode getClone() throws StandardException(Code)(Java Doc)
public String getColumnName()(Code)(Java Doc)
Object getConstantValueAsObject() throws StandardException(Code)(Java Doc)
final protected DataValueFactory getDataValueFactory()(Code)(Java Doc)
protected int getOrderableVariantType() throws StandardException(Code)(Java Doc)
public String getSchemaName() throws StandardException(Code)(Java Doc)
public ResultColumn getSourceResultColumn()(Code)(Java Doc)
public String getTableName()(Code)(Java Doc)
JBitSet getTablesReferenced() throws StandardException(Code)(Java Doc)
boolean getTransformed()(Code)(Java Doc)
public TypeCompiler getTypeCompiler() throws StandardException(Code)(Java Doc)
public TypeId getTypeId() throws StandardException(Code)(Java Doc)
public DataTypeDescriptor getTypeServices() throws StandardException(Code)(Java Doc)
public void init(Object typeId, Object precision, Object scale, Object isNullable, Object maximumWidth) throws StandardException(Code)(Java Doc)
public boolean isBinaryEqualsOperatorNode()(Code)(Java Doc)
boolean isBooleanFalse()(Code)(Java Doc)
boolean isBooleanTrue()(Code)(Java Doc)
public boolean isCloneable()(Code)(Java Doc)
public boolean isConstantExpression()(Code)(Java Doc)
abstract protected boolean isEquivalent(ValueNode other) throws StandardException(Code)(Java Doc)
public boolean isParameterNode()(Code)(Java Doc)
public boolean isRelationalOperator()(Code)(Java Doc)
final protected boolean isSameNodeType(ValueNode other)(Code)(Java Doc)
public boolean optimizableEqualityNode(Optimizable optTable, int columnNumber, boolean isNullOkay) throws StandardException(Code)(Java Doc)
public ValueNode preprocess(int numTables, FromList outerFromList, SubqueryList outerSubqueryList, PredicateList outerPredicateList) throws StandardException(Code)(Java Doc)
public ValueNode putAndsOnTop() throws StandardException(Code)(Java Doc)
public ValueNode remapColumnReferencesToExpressions() throws StandardException(Code)(Java Doc)
public boolean requiresTypeFromContext()(Code)(Java Doc)
public double selectivity(Optimizable optTable) throws StandardException(Code)(Java Doc)
public void setClause(int clause)(Code)(Java Doc)
void setTransformed()(Code)(Java Doc)
public void setType(DataTypeDescriptor dataTypeServices) throws StandardException(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public boolean updatableByCursor()(Code)(Java Doc)
public boolean verifyChangeToCNF()(Code)(Java Doc)
boolean verifyEliminateNots()(Code)(Java Doc)
public boolean verifyPutAndsOnTop()(Code)(Java Doc)

Fields inherited from org.apache.derby.impl.sql.compile.QueryTreeNode
final public static int AUTOINCREMENT_CREATE_MODIFY(Code)(Java Doc)
final public static int AUTOINCREMENT_INC_INDEX(Code)(Java Doc)
final public static int AUTOINCREMENT_IS_AUTOINCREMENT_INDEX(Code)(Java Doc)
final public static int AUTOINCREMENT_START_INDEX(Code)(Java Doc)
boolean isPrivilegeCollectionRequired(Code)(Java Doc)

Methods inherited from org.apache.derby.impl.sql.compile.QueryTreeNode
public Visitable accept(Visitor v) throws StandardException(Code)(Java Doc)
public QueryTreeNode bind() throws StandardException(Code)(Java Doc)
public DataValueDescriptor convertDefaultNode(DataTypeDescriptor typeDescriptor) throws StandardException(Code)(Java Doc)
protected static void debugFlush()(Code)(Java Doc)
public static void debugPrint(String outputString)(Code)(Java Doc)
public void disablePrivilegeCollection()(Code)(Java Doc)
public String executeSchemaName()(Code)(Java Doc)
public String executeStatementName()(Code)(Java Doc)
public static String formatNodeString(String nodeString, int depth)(Code)(Java Doc)
public boolean foundString(String[] list, String search)(Code)(Java Doc)
public GeneratedClass generate(ByteArray ignored) throws StandardException(Code)(Java Doc)
protected void generate(ActivationClassBuilder acb, MethodBuilder mb) throws StandardException(Code)(Java Doc)
void generateAuthorizeCheck(ActivationClassBuilder acb, MethodBuilder mb, int sqlOperation)(Code)(Java Doc)
public int getBeginOffset()(Code)(Java Doc)
final protected ClassFactory getClassFactory()(Code)(Java Doc)
final protected CompilerContext getCompilerContext()(Code)(Java Doc)
final public ContextManager getContextManager()(Code)(Java Doc)
public Object getCursorInfo() throws StandardException(Code)(Java Doc)
final public DataDictionary getDataDictionary()(Code)(Java Doc)
final public DependencyManager getDependencyManager()(Code)(Java Doc)
public int getEndOffset()(Code)(Java Doc)
final public ExecutionFactory getExecutionFactory()(Code)(Java Doc)
final public GenericConstantActionFactory getGenericConstantActionFactory()(Code)(Java Doc)
protected int getIntProperty(String value, String key) throws StandardException(Code)(Java Doc)
final protected LanguageConnectionContext getLanguageConnectionContext()(Code)(Java Doc)
final public NodeFactory getNodeFactory()(Code)(Java Doc)
protected int getNodeType()(Code)(Java Doc)
public ConstantNode getNullNode(TypeId typeId, ContextManager cm) throws StandardException(Code)(Java Doc)
public DataTypeDescriptor[] getParameterTypes() throws StandardException(Code)(Java Doc)
public long getRowEstimate()(Code)(Java Doc)
public String getSPSName()(Code)(Java Doc)
final SchemaDescriptor getSchemaDescriptor(String schemaName) throws StandardException(Code)(Java Doc)
final SchemaDescriptor getSchemaDescriptor(String schemaName, boolean raiseError) throws StandardException(Code)(Java Doc)
protected int getStatementType()(Code)(Java Doc)
final protected TableDescriptor getTableDescriptor(String tableName, SchemaDescriptor schema) throws StandardException(Code)(Java Doc)
final protected TypeCompiler getTypeCompiler(TypeId typeId)(Code)(Java Doc)
public void init(Object arg1) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8, Object arg9) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8, Object arg9, Object arg10) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8, Object arg9, Object arg10, Object arg11) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8, Object arg9, Object arg10, Object arg11, Object arg12) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8, Object arg9, Object arg10, Object arg11, Object arg12, Object arg13) throws StandardException(Code)(Java Doc)
public void init(Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6, Object arg7, Object arg8, Object arg9, Object arg10, Object arg11, Object arg12, Object arg13, Object arg14) throws StandardException(Code)(Java Doc)
public boolean isAtomic() throws StandardException(Code)(Java Doc)
protected boolean isInstanceOf(int nodeType)(Code)(Java Doc)
public boolean isPrivilegeCollectionRequired()(Code)(Java Doc)
final boolean isSessionSchema(SchemaDescriptor sd)(Code)(Java Doc)
final boolean isSessionSchema(String schemaName)(Code)(Java Doc)
public ConstantAction makeConstantAction() throws StandardException(Code)(Java Doc)
public ResultDescription makeResultDescription() throws StandardException(Code)(Java Doc)
public TableName makeTableName(String schemaName, String flatName) throws StandardException(Code)(Java Doc)
public boolean needsSavepoint()(Code)(Java Doc)
protected String nodeHeader()(Code)(Java Doc)
public QueryTreeNode optimize() throws StandardException(Code)(Java Doc)
public static QueryTreeNode parseQueryText(CompilerContext compilerContext, String queryText, Object[] paramDefaults, LanguageConnectionContext lcc) throws StandardException(Code)(Java Doc)
public void printLabel(int depth, String label)(Code)(Java Doc)
public void printSubNodes(int depth)(Code)(Java Doc)
public boolean referencesSessionSchema() throws StandardException(Code)(Java Doc)
public TableName resolveTableToSynonym(TableName tabName) throws StandardException(Code)(Java Doc)
public void setBeginOffset(int beginOffset)(Code)(Java Doc)
public void setContextManager(ContextManager cm)(Code)(Java Doc)
public void setEndOffset(int endOffset)(Code)(Java Doc)
public void setNodeType(int nodeType)(Code)(Java Doc)
public void setRefActionInfo(long fkIndexConglomId, int[] fkColArray, String parentResultSetId, boolean dependentScan)(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public void treePrint()(Code)(Java Doc)
public void treePrint(int depth)(Code)(Java Doc)
String verifyClassExist(String javaClassName, boolean convertCase) throws StandardException(Code)(Java Doc)

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)

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