@Override
public GroupBy copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
// copy the pre-grouping expressions
final Expr[] pEx = Arr.copyAll(qc, scp, vs, preExpr);
// create fresh copies of the post-grouping variables
final Var[] ps = new Var[post.length];
final int pl = ps.length;
for (int p = 0; p < pl; p++) {
final Var old = post[p];
ps[p] = scp.addCopy(old, qc);
vs.put(old.id, ps[p]);
}
// done
return new GroupBy(Arr.copyAll(qc, scp, vs, specs), pEx, ps, nonOcc, info);
}
@Override
public Expr comp(final QueryContext ctx) throws QueryException {
super.comp(ctx);
final SeqType s0 = expr[0].type();
final SeqType s1 = expr[1].type();
type =
s0.isNum() && s1.isNum()
? SeqType.ITR
: s0.one() && s1.one() ? SeqType.ITEM : SeqType.ITEM_ZO;
return optPre(oneIsEmpty() ? null : allAreValues() ? item(ctx, input) : this, ctx);
}
@Override
public FTExpr copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
final FTWords ftw =
new FTWords(
info,
query.copy(qc, scp, vs),
mode,
occ == null ? null : Arr.copyAll(qc, scp, vs, occ));
if (ftt != null) ftw.ftt = ftt.copy(ftw);
ftw.tokens = tokens;
ftw.data = data;
ftw.first = first;
ftw.pos = pos;
ftw.fast = fast;
return ftw;
}
@Override
public Expr copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
return new TypeSwitch(info, ts.copy(qc, scp, vs), Arr.copyAll(qc, scp, vs, cases));
}
@Override
public Expr compile(final QueryContext ctx, final VarScope scp) throws QueryException {
for (final Let c : copies) c.expr = c.expr.compile(ctx, scp);
super.compile(ctx, scp);
return this;
}
@Override
public FTExpr copy(final CompileContext cc, final IntObjMap<Var> vm) {
final FTAnd copy = new FTAnd(info, Arr.copyAll(cc, vm, exprs));
if (negated != null) copy.negated = negated.clone();
return copy;
}
@Override
public Expr compile(final QueryContext ctx, final VarScope scp) throws QueryException {
super.compile(ctx, scp);
return optimize(ctx, scp);
}