@Override
public void explain(
SchemaContext sc,
ConnectionValuesMap cvm,
ExecutionPlan containing,
List<ResultRow> rows,
ExplainOptions opts) {
ResultRow rr = new ResultRow();
ConnectionValues cv = cvm.getValues(containing);
addExplainColumns(sc, cv, rr, opts);
// add any nulls that are needed
int width =
RootExecutionPlan.basicExplainColumns.length
+ (opts.isStatistics() ? StepExecutionStatistics.statsExplainColumns.length : 0);
int diff = width - 1 - rr.getRow().size();
for (int i = 0; i < diff; i++) rr.addResultColumn(null, true);
rr.addResultColumn(getSQL(sc, cvm, containing, null), false);
rows.add(rr);
}
