Examples with Vectorization org.apache.hadoop.hive.ql.plan.Explain.Vectorization used on opensource projects

Example 1 with Vectorization

use of org.apache.hadoop.hive.ql.plan.Explain.Vectorization in project hive by apache.

the class ExplainTask method outputPlan.

private JSONObject outputPlan(Object work, PrintStream out, boolean extended, boolean jsonOutput, int indent, String appendToHeader) throws Exception {
    // Check if work has an explain annotation
    Annotation note = AnnotationUtils.getAnnotation(work.getClass(), Explain.class);
    String keyJSONObject = null;
    if (note instanceof Explain) {
        Explain xpl_note = (Explain) note;
        boolean invokeFlag = false;
        if (this.work != null && this.work.isUserLevelExplain()) {
            invokeFlag = Level.USER.in(xpl_note.explainLevels());
        } else {
            if (extended) {
                invokeFlag = Level.EXTENDED.in(xpl_note.explainLevels());
            } else {
                invokeFlag = Level.DEFAULT.in(xpl_note.explainLevels());
            }
        }
        if (invokeFlag) {
            Vectorization vectorization = xpl_note.vectorization();
            if (this.work != null && this.work.isVectorization()) {
                // The EXPLAIN VECTORIZATION option was specified.
                final boolean desireOnly = this.work.isVectorizationOnly();
                final VectorizationDetailLevel desiredVecDetailLevel = this.work.isVectorizationDetailLevel();
                switch(vectorization) {
                    case NON_VECTORIZED:
                        // Display all non-vectorized leaf objects unless ONLY.
                        if (desireOnly) {
                            invokeFlag = false;
                        }
                        break;
                    case SUMMARY:
                    case OPERATOR:
                    case EXPRESSION:
                    case DETAIL:
                        if (vectorization.rank < desiredVecDetailLevel.rank) {
                            // This detail not desired.
                            invokeFlag = false;
                        }
                        break;
                    case SUMMARY_PATH:
                    case OPERATOR_PATH:
                        if (desireOnly) {
                            if (vectorization.rank < desiredVecDetailLevel.rank) {
                                // Suppress headers and all objects below.
                                invokeFlag = false;
                            }
                        }
                        break;
                    default:
                        throw new RuntimeException("Unknown EXPLAIN vectorization " + vectorization);
                }
            } else {
                // Do not display vectorization objects.
                switch(vectorization) {
                    case SUMMARY:
                    case OPERATOR:
                    case EXPRESSION:
                    case DETAIL:
                        invokeFlag = false;
                        break;
                    case NON_VECTORIZED:
                        // No action.
                        break;
                    case SUMMARY_PATH:
                    case OPERATOR_PATH:
                        // Always include headers since they contain non-vectorized objects, too.
                        break;
                    default:
                        throw new RuntimeException("Unknown EXPLAIN vectorization " + vectorization);
                }
            }
        }
        if (invokeFlag) {
            keyJSONObject = xpl_note.displayName();
            if (out != null) {
                out.print(indentString(indent));
                if (appendToHeader != null && !appendToHeader.isEmpty()) {
                    out.println(xpl_note.displayName() + appendToHeader);
                } else {
                    out.println(xpl_note.displayName());
                }
            }
        }
    }
    JSONObject json = jsonOutput ? new JSONObject(new LinkedHashMap<>()) : null;
    // conf and then the children
    if (work instanceof Operator) {
        Operator<? extends OperatorDesc> operator = (Operator<? extends OperatorDesc>) work;
        if (operator.getConf() != null) {
            String appender = isLogical ? " (" + operator.getOperatorId() + ")" : "";
            JSONObject jsonOut = outputPlan(operator.getConf(), out, extended, jsonOutput, jsonOutput ? 0 : indent, appender);
            if (this.work != null && (this.work.isUserLevelExplain() || this.work.isFormatted())) {
                if (jsonOut != null && jsonOut.length() > 0) {
                    ((JSONObject) jsonOut.get(JSONObject.getNames(jsonOut)[0])).put("OperatorId:", operator.getOperatorId());
                    if (!this.work.isUserLevelExplain() && this.work.isFormatted() && operator instanceof ReduceSinkOperator) {
                        List<String> outputOperators = ((ReduceSinkOperator) operator).getConf().getOutputOperators();
                        if (outputOperators != null) {
                            ((JSONObject) jsonOut.get(JSONObject.getNames(jsonOut)[0])).put(OUTPUT_OPERATORS, Arrays.toString(outputOperators.toArray()));
                        }
                    }
                }
            }
            if (jsonOutput) {
                json = jsonOut;
            }
        }
        if (!visitedOps.contains(operator) || !isLogical) {
            visitedOps.add(operator);
            if (operator.getChildOperators() != null) {
                int cindent = jsonOutput ? 0 : indent + 2;
                for (Operator<? extends OperatorDesc> op : operator.getChildOperators()) {
                    JSONObject jsonOut = outputPlan(op, out, extended, jsonOutput, cindent);
                    if (jsonOutput) {
                        ((JSONObject) json.get(JSONObject.getNames(json)[0])).accumulate("children", jsonOut);
                    }
                }
            }
        }
        if (jsonOutput) {
            return json;
        }
        return null;
    }
    // We look at all methods that generate values for explain
    Method[] methods = work.getClass().getMethods();
    Arrays.sort(methods, new MethodComparator());
    for (Method m : methods) {
        int prop_indents = jsonOutput ? 0 : indent + 2;
        note = AnnotationUtils.getAnnotation(m, Explain.class);
        if (note instanceof Explain) {
            Explain xpl_note = (Explain) note;
            boolean invokeFlag = false;
            if (this.work != null && this.work.isUserLevelExplain()) {
                invokeFlag = Level.USER.in(xpl_note.explainLevels());
            } else {
                if (extended) {
                    invokeFlag = Level.EXTENDED.in(xpl_note.explainLevels());
                } else {
                    invokeFlag = Level.DEFAULT.in(xpl_note.explainLevels());
                }
            }
            if (invokeFlag) {
                Vectorization vectorization = xpl_note.vectorization();
                if (this.work != null && this.work.isVectorization()) {
                    // The EXPLAIN VECTORIZATION option was specified.
                    final boolean desireOnly = this.work.isVectorizationOnly();
                    final VectorizationDetailLevel desiredVecDetailLevel = this.work.isVectorizationDetailLevel();
                    switch(vectorization) {
                        case NON_VECTORIZED:
                            // Display all non-vectorized leaf objects unless ONLY.
                            if (desireOnly) {
                                invokeFlag = false;
                            }
                            break;
                        case SUMMARY:
                        case OPERATOR:
                        case EXPRESSION:
                        case DETAIL:
                            if (vectorization.rank < desiredVecDetailLevel.rank) {
                                // This detail not desired.
                                invokeFlag = false;
                            }
                            break;
                        case SUMMARY_PATH:
                        case OPERATOR_PATH:
                            if (desireOnly) {
                                if (vectorization.rank < desiredVecDetailLevel.rank) {
                                    // Suppress headers and all objects below.
                                    invokeFlag = false;
                                }
                            }
                            break;
                        default:
                            throw new RuntimeException("Unknown EXPLAIN vectorization " + vectorization);
                    }
                } else {
                    // Do not display vectorization objects.
                    switch(vectorization) {
                        case SUMMARY:
                        case OPERATOR:
                        case EXPRESSION:
                        case DETAIL:
                            invokeFlag = false;
                            break;
                        case NON_VECTORIZED:
                            // No action.
                            break;
                        case SUMMARY_PATH:
                        case OPERATOR_PATH:
                            // Always include headers since they contain non-vectorized objects, too.
                            break;
                        default:
                            throw new RuntimeException("Unknown EXPLAIN vectorization " + vectorization);
                    }
                }
            }
            if (invokeFlag) {
                Object val = null;
                try {
                    val = m.invoke(work);
                } catch (InvocationTargetException ex) {
                    // Ignore the exception, this may be caused by external jars
                    val = null;
                }
                if (val == null) {
                    continue;
                }
                String header = null;
                boolean skipHeader = xpl_note.skipHeader();
                boolean emptyHeader = false;
                if (!xpl_note.displayName().equals("")) {
                    header = indentString(prop_indents) + xpl_note.displayName() + ":";
                } else {
                    emptyHeader = true;
                    prop_indents = indent;
                    header = indentString(prop_indents);
                }
                // Try the output as a primitive object
                if (isPrintable(val)) {
                    if (out != null && shouldPrint(xpl_note, val)) {
                        if (!skipHeader) {
                            out.print(header);
                            out.print(" ");
                        }
                        out.println(val);
                    }
                    if (jsonOutput && shouldPrint(xpl_note, val)) {
                        json.put(header, val.toString());
                    }
                    continue;
                }
                int ind = 0;
                if (!jsonOutput) {
                    if (!skipHeader) {
                        ind = prop_indents + 2;
                    } else {
                        ind = indent;
                    }
                }
                // Try this as a map
                if (val instanceof Map) {
                    // Go through the map and print out the stuff
                    Map<?, ?> mp = (Map<?, ?>) val;
                    if (out != null && !skipHeader && mp != null && !mp.isEmpty()) {
                        out.print(header);
                    }
                    JSONObject jsonOut = outputMap(mp, !skipHeader && !emptyHeader, out, extended, jsonOutput, ind);
                    if (jsonOutput && !mp.isEmpty()) {
                        json.put(header, jsonOut);
                    }
                    continue;
                }
                // Try this as a list
                if (val instanceof List || val instanceof Set) {
                    List l = val instanceof List ? (List) val : new ArrayList((Set) val);
                    if (out != null && !skipHeader && l != null && !l.isEmpty()) {
                        out.print(header);
                    }
                    JSONArray jsonOut = outputList(l, out, !skipHeader && !emptyHeader, extended, jsonOutput, ind);
                    if (jsonOutput && !l.isEmpty()) {
                        json.put(header, jsonOut);
                    }
                    continue;
                }
                // Finally check if it is serializable
                try {
                    if (!skipHeader && out != null) {
                        out.println(header);
                    }
                    JSONObject jsonOut = outputPlan(val, out, extended, jsonOutput, ind);
                    if (jsonOutput && jsonOut != null && jsonOut.length() != 0) {
                        if (!skipHeader) {
                            json.put(header, jsonOut);
                        } else {
                            for (String k : JSONObject.getNames(jsonOut)) {
                                json.put(k, jsonOut.get(k));
                            }
                        }
                    }
                    continue;
                } catch (ClassCastException ce) {
                // Ignore
                }
            }
        }
    }
    if (jsonOutput) {
        if (keyJSONObject != null) {
            JSONObject ret = new JSONObject(new LinkedHashMap<>());
            ret.put(keyJSONObject, json);
            return ret;
        }
        return json;
    }
    return null;
}