public final class Delete extends Arr
Constructor and Description |
---|
Delete(StaticContext sc,
InputInfo info,
Expr trg)
Constructor.
|
Modifier and Type | Method and Description |
---|---|
Expr |
copy(QueryContext qc,
VarScope scp,
IntObjMap<Var> vs)
Copies an expression.
|
boolean |
has(Expr.Flag flag)
Indicates if an expression has the specified compiler property.
|
Item |
item(QueryContext qc,
InputInfo ii)
Evaluates the expression and returns the resulting item,
or a
null reference if the expression yields an empty sequence. |
String |
toString() |
accept, allAreValues, checkUp, compile, copyAll, count, exprSize, inline, oneIsEmpty, plan, removable, toString
atomItem, atomValue, checkAtomic, checkNoEmpty, checkNoEmpty, checkNoneUp, checkNoUp, checkType, compBln, copyType, ctxValue, ebv, iter, optPre, optPre, preEval, seqType, seqType, size, test, toArray, toArray, toAtomItem, toB64, toB64, toBin, toBin, toBoolean, toBoolean, toBytes, toBytes, toDouble, toDouble, toElem, toEmptyNode, toEmptyToken, toFloat, toFunc, toItem, toLong, toLong, toMap, toMap, toNode, toNode, toNumber, toQNm, toQNm, toToken, toToken, value
atomIter, data, hasFreeVars, indexAccessible, inlineAll, isEmpty, isFunction, isVacuous, isValue, iterable, markTailCalls, optimize, optimizeEbv, sameAs, typeCheck, uses, visitAll
addPlan, addPlan, description, planAttr, planElem, toErrorString
public Delete(StaticContext sc, InputInfo info, Expr trg)
sc
- static contextinfo
- input infotrg
- target expressionpublic Item item(QueryContext qc, InputInfo ii) throws QueryException
Expr
null
reference if the expression yields an empty sequence.
If this method is not overwritten, Expr.iter(QueryContext)
must be implemented by an
expression, as it may be called by this method.item
in class ParseExpr
qc
- query contextii
- input infonull
QueryException
- query exceptionpublic Expr copy(QueryContext qc, VarScope scp, IntObjMap<Var> vs)
Expr
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