Examples with OpId org.apache.drill.exec.planner.physical.explain.PrelSequencer.OpId used on opensource projects

Example 1 with OpId

use of org.apache.drill.exec.planner.physical.explain.PrelSequencer.OpId in project drill by apache.

the class NumberingRelWriter method explain_.

//~ Methods ----------------------------------------------------------------
protected void explain_(RelNode rel, List<Pair<String, Object>> values) {
    List<RelNode> inputs = rel.getInputs();
    if (rel instanceof HashJoinPrel && ((HashJoinPrel) rel).isSwapped()) {
        HashJoinPrel joinPrel = (HashJoinPrel) rel;
        inputs = FlatLists.of(joinPrel.getRight(), joinPrel.getLeft());
    }
    RelMetadataQuery mq = RelMetadataQuery.instance();
    if (!mq.isVisibleInExplain(rel, detailLevel)) {
        // render children in place of this, at same level
        explainInputs(inputs);
        return;
    }
    StringBuilder s = new StringBuilder();
    OpId id = ids.get(rel);
    if (id != null) {
        s.append(String.format("%02d-%02d", id.fragmentId, id.opId));
    } else {
        s.append("     ");
    }
    s.append("  ");
    if (id != null && id.opId == 0) {
        for (int i = 0; i < spacer.get(); i++) {
            s.append('-');
        }
    } else {
        spacer.spaces(s);
    }
    s.append("  ");
    s.append(rel.getRelTypeName().replace("Prel", ""));
    if (detailLevel != SqlExplainLevel.NO_ATTRIBUTES) {
        int j = 0;
        for (Pair<String, Object> value : values) {
            if (value.right instanceof RelNode) {
                continue;
            }
            if (j++ == 0) {
                s.append("(");
            } else {
                s.append(", ");
            }
            s.append(value.left).append("=[").append(value.right).append("]");
        }
        if (j > 0) {
            s.append(")");
        }
    }
    if (detailLevel == SqlExplainLevel.ALL_ATTRIBUTES) {
        s.append(" : rowType = ").append(rel.getRowType()).append(": rowcount = ").append(mq.getRowCount(rel)).append(", cumulative cost = ").append(mq.getCumulativeCost(rel)).append(", id = ").append(rel.getId());
    }
    pw.println(s);
    spacer.add(2);
    explainInputs(inputs);
    spacer.subtract(2);
}