Package parquet.format

Examples of parquet.format.FileMetaData

177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
    ColumnChunkMetaData columnChunkMetaData;
    int columnsToScan = 0;

    MaterializedField field;
    ParquetMetadataConverter metaConverter = new ParquetMetadataConverter();
    FileMetaData fileMetaData;

    // TODO - figure out how to deal with this better once we add nested reading, note also look where this map is used below
    // store a map from column name to converted types if they are non-null
    HashMap<String, SchemaElement> schemaElements = new HashMap<>();
    fileMetaData = new ParquetMetadataConverter().toParquetMetadata(ParquetFileWriter.CURRENT_VERSION, footer);
    for (SchemaElement se : fileMetaData.getSchema()) {
      schemaElements.put(se.getName(), se);
    }

    // loop to add up the length of the fixed width columns and build the schema
    for (int i = 0; i < columns.size(); ++i) {
      column = columns.get(i);
      logger.debug("name: " + fileMetaData.getSchema().get(i).name);
      SchemaElement se = schemaElements.get(column.getPath()[0]);
      MajorType mt = ParquetToDrillTypeConverter.toMajorType(column.getType(), se.getType_length(), getDataMode(column), se);
      field = MaterializedField.create(toFieldName(column.getPath()),mt);
      if ( ! fieldSelected(field)){
        continue;
View Full Code Here
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
    int columnsToScan = 0;
    mockRecordsRead = 0;

    MaterializedField field;
//    ParquetMetadataConverter metaConverter = new ParquetMetadataConverter();
    FileMetaData fileMetaData;

    logger.debug("Reading row group({}) with {} records in file {}.", rowGroupIndex, footer.getBlocks().get(rowGroupIndex).getRowCount(),
        hadoopPath.toUri().getPath());
    totalRecordsRead = 0;

    // TODO - figure out how to deal with this better once we add nested reading, note also look where this map is used below
    // store a map from column name to converted types if they are non-null
    HashMap<String, SchemaElement> schemaElements = new HashMap<>();
    fileMetaData = new ParquetMetadataConverter().toParquetMetadata(ParquetFileWriter.CURRENT_VERSION, footer);
    for (SchemaElement se : fileMetaData.getSchema()) {
      schemaElements.put(se.getName(), se);
    }

    // loop to add up the length of the fixed width columns and build the schema
    for (int i = 0; i < columns.size(); ++i) {
      column = columns.get(i);
      logger.debug("name: " + fileMetaData.getSchema().get(i).name);
      SchemaElement se = schemaElements.get(column.getPath()[0]);
      MajorType mt = ParquetToDrillTypeConverter.toMajorType(column.getType(), se.getType_length(), getDataMode(column), se);
      field = MaterializedField.create(toFieldName(column.getPath()),mt);
      if ( ! fieldSelected(field)) {
        continue;
View Full Code Here
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
    int numRows = 0;
    for (BlockMetaData block : blocks) {
      numRows += block.getRowCount();
      addRowGroup(parquetMetadata, rowGroups, block);
    }
    FileMetaData fileMetaData = new FileMetaData(
        currentVersion,
        toParquetSchema(parquetMetadata.getFileMetaData().getSchema()),
        numRows,
        rowGroups);

    Set<Entry<String, String>> keyValues = parquetMetadata.getFileMetaData().getKeyValueMetaData().entrySet();
    for (Entry<String, String> keyValue : keyValues) {
      addKeyValue(fileMetaData, keyValue.getKey(), keyValue.getValue());
    }

    fileMetaData.setCreated_by(parquetMetadata.getFileMetaData().getCreatedBy());
    return fileMetaData;
  }
View Full Code Here
305
306
307
308
309
310
311
312
313
314
315
    keyValue.value = value;
    fileMetaData.addToKey_value_metadata(keyValue);
  }

  public ParquetMetadata readParquetMetadata(InputStream from) throws IOException {
    FileMetaData fileMetaData = readFileMetaData(from);
    if (Log.DEBUG) LOG.debug(fileMetaData);
    ParquetMetadata parquetMetadata = fromParquetMetadata(fileMetaData);
    if (Log.DEBUG) LOG.debug(ParquetMetadata.toPrettyJSON(parquetMetadata));
    return parquetMetadata;
  }
View Full Code Here
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
    int columnsToScan = 0;
    mockRecordsRead = 0;

    MaterializedField field;
//    ParquetMetadataConverter metaConverter = new ParquetMetadataConverter();
    FileMetaData fileMetaData;

    logger.debug("Reading row group({}) with {} records in file {}.", rowGroupIndex, footer.getBlocks().get(rowGroupIndex).getRowCount(),
        hadoopPath.toUri().getPath());
    totalRecordsRead = 0;

    // TODO - figure out how to deal with this better once we add nested reading, note also look where this map is used below
    // store a map from column name to converted types if they are non-null
    HashMap<String, SchemaElement> schemaElements = new HashMap<>();
    fileMetaData = new ParquetMetadataConverter().toParquetMetadata(ParquetFileWriter.CURRENT_VERSION, footer);
    for (SchemaElement se : fileMetaData.getSchema()) {
      schemaElements.put(se.getName(), se);
    }

    // loop to add up the length of the fixed width columns and build the schema
    for (int i = 0; i < columns.size(); ++i) {
      column = columns.get(i);
      logger.debug("name: " + fileMetaData.getSchema().get(i).name);
      SchemaElement se = schemaElements.get(column.getPath()[0]);
      MajorType mt = ParquetToDrillTypeConverter.toMajorType(column.getType(), se.getType_length(), getDataMode(column), se);
      field = MaterializedField.create(toFieldName(column.getPath()),mt);
      if ( ! fieldSelected(field)){
        continue;
View Full Code Here
TOP

Related Classes of parquet.format.FileMetaData

  • com.facebook.presto.hive.shaded.org.apache.commons.lang.builder.HashCodeBuilder
  • org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader
  • parquet.format.converter.ParquetMetadataConverter
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.