Java Code Examples for org.apache.parquet.schema.MessageType#equals()

The following examples show how to use org.apache.parquet.schema.MessageType#equals() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ProtoParquetWriterWithOffset.java    From garmadon with Apache License 2.0 5 votes vote down vote up 
private boolean checkSchemaEquality(MessageType schema) throws IOException {
    try (ParquetFileReader pfr = ParquetFileReader.open(fs.getConf(), temporaryHdfsPath)) {
        MessageType schema2 = pfr.getFileMetaData().getSchema();

        return schema.equals(schema2);
    }
}
Example 2
Source File: ParquetFileWriter.java    From parquet-mr with Apache License 2.0 5 votes vote down vote up 
static GlobalMetaData mergeInto(
    FileMetaData toMerge,
    GlobalMetaData mergedMetadata,
    boolean strict) {
  MessageType schema = null;
  Map<String, Set<String>> newKeyValues = new HashMap<String, Set<String>>();
  Set<String> createdBy = new HashSet<String>();
  if (mergedMetadata != null) {
    schema = mergedMetadata.getSchema();
    newKeyValues.putAll(mergedMetadata.getKeyValueMetaData());
    createdBy.addAll(mergedMetadata.getCreatedBy());
  }
  if ((schema == null && toMerge.getSchema() != null)
      || (schema != null && !schema.equals(toMerge.getSchema()))) {
    schema = mergeInto(toMerge.getSchema(), schema, strict);
  }
  for (Entry<String, String> entry : toMerge.getKeyValueMetaData().entrySet()) {
    Set<String> values = newKeyValues.get(entry.getKey());
    if (values == null) {
      values = new LinkedHashSet<String>();
      newKeyValues.put(entry.getKey(), values);
    }
    values.add(entry.getValue());
  }
  createdBy.add(toMerge.getCreatedBy());
  return new GlobalMetaData(
      schema,
      newKeyValues,
      createdBy);
}