Examples with CustomErrorContext org.apache.drill.common.exceptions.CustomErrorContext used on opensource projects

Example 1 with CustomErrorContext

use of org.apache.drill.common.exceptions.CustomErrorContext in project drill by apache.

the class KafkaRecordReader method open.

@Override
public boolean open(SchemaNegotiator negotiator) {
    CustomErrorContext errorContext = new ChildErrorContext(negotiator.parentErrorContext()) {

        @Override
        public void addContext(UserException.Builder builder) {
            super.addContext(builder);
            builder.addContext("topic_name", subScanSpec.getTopicName());
        }
    };
    negotiator.setErrorContext(errorContext);
    messageReader = MessageReaderFactory.getMessageReader(readOptions.getMessageReader());
    messageReader.init(negotiator, readOptions, plugin);
    msgItr = new MessageIterator(messageReader.getConsumer(plugin), subScanSpec, readOptions.getPollTimeOut());
    return true;
}

Example 2 with CustomErrorContext

use of org.apache.drill.common.exceptions.CustomErrorContext in project drill by apache.

the class HttpXMLBatchReader method open.

@Override
public boolean open(SchemaNegotiator negotiator) {
    HttpUrl url = buildUrl();
    // Result set loader setup
    String tempDirPath = negotiator.drillConfig().getString(ExecConstants.DRILL_TMP_DIR);
    // Create user-friendly error context
    CustomErrorContext errorContext = new ChildErrorContext(negotiator.parentErrorContext()) {

        @Override
        public void addContext(UserException.Builder builder) {
            super.addContext(builder);
            builder.addContext("URL", url.toString());
        }
    };
    negotiator.setErrorContext(errorContext);
    // Http client setup
    SimpleHttp http = SimpleHttp.builder().scanDefn(subScan).url(url).tempDir(new File(tempDirPath)).paginator(paginator).proxyConfig(proxySettings(negotiator.drillConfig(), url)).errorContext(errorContext).build();
    // Get the input stream
    inStream = http.getInputStream();
    // Initialize the XMLReader the reader
    try {
        xmlReader = new XMLReader(inStream, dataLevel, maxRecords);
        resultLoader = negotiator.build();
        if (implicitColumnsAreProjected()) {
            implicitColumns = new ImplicitColumns(resultLoader.writer());
            buildImplicitColumns();
            populateImplicitFieldMap(http);
        }
        RowSetLoader rootRowWriter = resultLoader.writer();
        xmlReader.open(rootRowWriter, errorContext);
        xmlReader.implicitFields(implicitColumns);
    } catch (XMLStreamException e) {
        throw UserException.dataReadError(e).message("Error opening XML stream: " + e.getMessage()).addContext(errorContext).build(logger);
    }
    return true;
}

Example 3 with CustomErrorContext

use of org.apache.drill.common.exceptions.CustomErrorContext in project drill by apache.

the class HttpBatchReader method open.

@Override
public boolean open(SchemaNegotiator negotiator) {
    // Result set loader setup
    String tempDirPath = negotiator.drillConfig().getString(ExecConstants.DRILL_TMP_DIR);
    HttpUrl url = buildUrl();
    logger.debug("Final URL: {}", url);
    CustomErrorContext errorContext = new ChildErrorContext(negotiator.parentErrorContext()) {

        @Override
        public void addContext(UserException.Builder builder) {
            super.addContext(builder);
            builder.addContext("URL", url.toString());
        }
    };
    negotiator.setErrorContext(errorContext);
    // Http client setup
    SimpleHttp http = SimpleHttp.builder().scanDefn(subScan).url(url).tempDir(new File(tempDirPath)).proxyConfig(proxySettings(negotiator.drillConfig(), url)).errorContext(errorContext).build();
    // JSON loader setup
    resultSetLoader = negotiator.build();
    if (implicitColumnsAreProjected()) {
        implicitColumns = new ImplicitColumns(resultSetLoader.writer());
        buildImplicitColumns();
    }
    InputStream inStream = http.getInputStream();
    populateImplicitFieldMap(http);
    try {
        JsonLoaderBuilder jsonBuilder = new JsonLoaderBuilder().implicitFields(implicitColumns).resultSetLoader(resultSetLoader).standardOptions(negotiator.queryOptions()).maxRows(maxRecords).dataPath(subScan.tableSpec().connectionConfig().dataPath()).errorContext(errorContext).fromStream(inStream);
        if (subScan.tableSpec().connectionConfig().jsonOptions() != null) {
            JsonLoaderOptions jsonOptions = subScan.tableSpec().connectionConfig().jsonOptions().getJsonOptions(negotiator.queryOptions());
            jsonBuilder.options(jsonOptions);
        } else {
            jsonBuilder.standardOptions(negotiator.queryOptions());
        }
        jsonLoader = jsonBuilder.build();
    } catch (Throwable t) {
        // Paranoia: ensure stream is closed if anything goes wrong.
        // After this, the JSON loader will close the stream.
        AutoCloseables.closeSilently(inStream);
        throw t;
    }
    return true;
}

Example 4 with CustomErrorContext

use of org.apache.drill.common.exceptions.CustomErrorContext in project drill by apache.

the class TestResultSetLoaderProjection method setupProvidedSchema.

// Setup to test the various project/provided schema cases in
// ProjectionFilter, especially CompoundProjectionFilter
public ResultSetLoader setupProvidedSchema(boolean isStrict, List<SchemaPath> selection) {
    TupleMetadata schema = new SchemaBuilder().addMap("m1").add("a", MinorType.INT).add("b", MinorType.INT).resumeSchema().addMap("m2").add("c", MinorType.INT).add("d", MinorType.INT).resumeSchema().addMap("m3").add("e", MinorType.INT).add("f", MinorType.INT).resumeSchema().buildSchema();
    // Provided schema: disjoint set of above.
    TupleMetadata providedSchema = new SchemaBuilder().addMap(// Same
    "m1").add("a", MinorType.INT).add("b", MinorType.INT).add("z", // Add a column
    MinorType.INT).resumeSchema().addMap(// Omit c
    "m2").add("d", MinorType.INT).resumeSchema().addMap(// Add m4
    "m4").add("g", MinorType.INT).add("h", MinorType.INT).resumeSchema().build();
    if (isStrict) {
        SchemaUtils.markStrict(providedSchema);
    }
    RequestedTuple proj = Projections.parse(selection);
    CustomErrorContext errorContext = new EmptyErrorContext();
    ProjectionFilter projectionFilter = ProjectionFilter.providedSchemaFilter(proj, providedSchema, errorContext);
    ResultSetOptions options = new ResultSetOptionBuilder().projectionFilter(projectionFilter).readerSchema(schema).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    // Write a couple of rows.
    rsLoader.startBatch();
    RowSetLoader rootWriter = rsLoader.writer();
    rootWriter.start();
    rootWriter.addRow(mapValue(1, 2), mapValue(3, 4), mapValue(5, 6)).addRow(mapValue(11, 12), mapValue(13, 14), mapValue(15, 16));
    return rsLoader;
}

Example 5 with CustomErrorContext

use of org.apache.drill.common.exceptions.CustomErrorContext in project drill by apache.

the class HttpCSVBatchReader method open.

@Override
public boolean open(SchemaNegotiator negotiator) {
    // Result set loader setup
    String tempDirPath = negotiator.drillConfig().getString(ExecConstants.DRILL_TMP_DIR);
    HttpUrl url = buildUrl();
    CustomErrorContext errorContext = new ChildErrorContext(negotiator.parentErrorContext()) {

        @Override
        public void addContext(UserException.Builder builder) {
            super.addContext(builder);
            builder.addContext("URL", url.toString());
        }
    };
    negotiator.setErrorContext(errorContext);
    // Http client setup
    SimpleHttp http = SimpleHttp.builder().scanDefn(subScan).url(url).tempDir(new File(tempDirPath)).proxyConfig(proxySettings(negotiator.drillConfig(), url)).errorContext(errorContext).build();
    // CSV loader setup
    inStream = http.getInputStream();
    this.csvReader = new CsvParser(csvSettings);
    csvReader.beginParsing(inStream);
    // Build the Schema
    builder = new SchemaBuilder();
    TupleMetadata drillSchema = buildSchema();
    negotiator.tableSchema(drillSchema, true);
    resultLoader = negotiator.build();
    // Add implicit columns
    if (implicitColumnsAreProjected()) {
        implicitColumns = new ImplicitColumns(resultLoader.writer());
        buildImplicitColumns();
        populateImplicitFieldMap(http);
    }
    // Create ScalarWriters
    rowWriter = resultLoader.writer();
    populateWriterArray();
    return true;
}