org.apache.derby.impl.sql.compile

Class DefaultNode

java.lang.Object

org.apache.derby.impl.sql.compile.QueryTreeNode

org.apache.derby.impl.sql.compile.ValueNode

org.apache.derby.impl.sql.compile.DefaultNode

All Implemented Interfaces:

Visitable

public class DefaultNode
extends ValueNode

DefaultNode represents a column/parameter default.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDefaultText() Get the text of the default.
static ValueNode	parseDefault(java.lang.String defaultText, LanguageConnectionContext lcc, CompilerContext cc) Parse a default and turn it into a query tree.
java.lang.String	toString() Convert this object to a String.

Methods inherited from class org.apache.derby.impl.sql.compile.ValueNode

checkIsBoolean, selectivity, setCollationInfo, setCollationInfo, setNullability, updatableByCursor

Methods inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode

accept, addTag, bindOffsetFetch, bindRowMultiSet, bindUserCatalogType, bindUserType, checkReliability, checkReliability, createTypeDependency, getBeginOffset, getDataDictionary, getEndOffset, getExecutionFactory, getGenericConstantActionFactory, getOffsetOrderedNodes, getOptimizerFactory, getOptimizerTracer, getParameterTypes, getUDTDesc, isAtomic, makeConstantAction, makeTableName, makeTableName, optimizerTracingIsOn, orReliability, referencesSessionSchema, setBeginOffset, setEndOffset, taggedWith, treePrint

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getDefaultText

public java.lang.String getDefaultText()

Get the text of the default.

toString

public java.lang.String toString()

Convert this object to a String. See comments in QueryTreeNode.java for how this should be done for tree printing.

Overrides:

toString in class ValueNode

Returns:

This object as a String

parseDefault

public static ValueNode parseDefault(java.lang.String defaultText,
                                     LanguageConnectionContext lcc,
                                     CompilerContext cc)
                              throws StandardException

Parse a default and turn it into a query tree.

Parameters:

defaultText - Text of Default.

lcc - LanguageConnectionContext

cc - CompilerContext

Returns:

The parsed default as a query tree.

Throws:

StandardException - Thrown on failure