private static class SQLUpdate.UpdateInstruction
extends SimpleExpression
Modifier and Type | Field and Description |
---|---|
static int |
CONNECTION |
static int |
FIRST_COLUMN |
static int |
TABLE |
static int |
WHERE |
Constructor and Description |
---|
UpdateInstruction(Expression connection,
Expression table,
Expression where,
List columnInstructions) |
Modifier and Type | Method and Description |
---|---|
Item |
evaluateItem(XPathContext context) |
String |
getExpressionType() |
int |
getImplementationMethod()
A subclass must provide one of the methods evaluateItem(), iterate(), or process().
|
computeCardinality, computeDependencies, display, getItemType, iterate, iterateSubExpressions, optimize, process, promote, replaceSubExpression, setArguments, simplify, typeCheck
adoptChildExpression, checkPermittedContents, computeSpecialProperties, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, getCardinality, getColumnNumber, getConstructType, getContainingProcedure, getDependencies, getExecutable, getHostLanguage, getInstructionInfo, getIntrinsicDependencies, getLineNumber, getLocationId, getLocationProvider, getParentExpression, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, hasBadParentPointer, markTailFunctionCalls, resetStaticProperties, setLocationId, setParentExpression, setParentExpression, suppressValidation, typeError
public static final int CONNECTION
public static final int TABLE
public static final int WHERE
public static final int FIRST_COLUMN
public UpdateInstruction(Expression connection, Expression table, Expression where, List columnInstructions)
public int getImplementationMethod()
getImplementationMethod
in class Expression
public String getExpressionType()
getExpressionType
in class SimpleExpression
public Item evaluateItem(XPathContext context) throws XPathException
evaluateItem
in interface EvaluableItem
evaluateItem
in class SimpleExpression
XPathException