public RelOptPlanWriter explainTerms(RelOptPlanWriter pw) {
super.explainTerms(pw);
assert fieldExps.length == collations.size();
for (Ord<RexNode> ord : Ord.zip(fieldExps)) {
pw.item("sort" + ord.i, ord.e);
}
for (Ord<RelFieldCollation> ord : Ord.zip(collations)) {
pw.item("dir" + ord.i, ord.e.shortString());
}
return pw;
}
public RelWriter explainTerms(RelWriter pw) {
super.explainTerms(pw);
assert fieldExps.size() == collation.getFieldCollations().size();
if (pw.nest()) {
pw.item("collation", collation);
} else {
for (Ord<RexNode> ord : Ord.zip(fieldExps)) {
pw.item("sort" + ord.i, ord.e);
}
for (Ord<RelFieldCollation> ord : Ord.zip(collation.getFieldCollations())) {
pw.item("dir" + ord.i, ord.e.shortString());
}
}
pw.itemIf("offset", offset, offset != null);
pw.itemIf("fetch", fetch, fetch != null);
return pw;
}