Java Code Examples for parquet.schema.Type#Repetition

The following examples show how to use parquet.schema.Type#Repetition . 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: JsonElementConversionFactory.java From incubator-gobblin with Apache License 2.0

6 votes

@Override
Object convertField(JsonElement value) {
  ParquetGroup r1 = new ParquetGroup((GroupType) schema());
  JsonObject inputRecord = value.getAsJsonObject();
  for (Map.Entry<String, JsonElement> entry : inputRecord.entrySet()) {
    String key = entry.getKey();
    JsonElementConverter converter = this.converters.get(key);
    Object convertedValue = converter.convert(entry.getValue());
    boolean valueIsNull = convertedValue == null;
    Type.Repetition repetition = optionalOrRequired(converter.jsonSchema);
    if (valueIsNull && repetition.equals(OPTIONAL)) {
      continue;
    }
    r1.add(key, convertedValue);
  }
  return r1;
}

Example 2

Source File: JsonElementConversionFactory.java From incubator-gobblin with Apache License 2.0

4 votes

public static Type.Repetition optionalOrRequired(JsonSchema jsonBaseSchema) {
  return jsonBaseSchema.isNullable() ? OPTIONAL : REQUIRED;
}

Example 3

Source File: PentahoParquetWriteSupport.java From pentaho-hadoop-shims with Apache License 2.0

4 votes

private PrimitiveType convertToPrimitiveType( IParquetOutputField f ) {
  Type.Repetition rep = f.getAllowNull() ? Type.Repetition.OPTIONAL : Type.Repetition.REQUIRED;
  String formatFieldName = f.getFormatFieldName();
  switch ( f.getParquetType() ) {
    case BINARY:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.BINARY, formatFieldName );
    case BOOLEAN:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.BOOLEAN, formatFieldName );
    case DOUBLE:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.DOUBLE, formatFieldName );
    case FLOAT:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.FLOAT, formatFieldName );
    case INT_32:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.INT32, formatFieldName );
    case UTF8:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.BINARY, formatFieldName, OriginalType.UTF8 );
    case INT_64:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.INT64, formatFieldName, OriginalType.INT_64 );
    case INT_96:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.INT96, formatFieldName );
    case DATE:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.INT32, formatFieldName, OriginalType.DATE );
    case DECIMAL:
      if ( f.getAllowNull() ) {
        return Types.optional( PrimitiveType.PrimitiveTypeName.BINARY ).as( OriginalType.DECIMAL )
          .precision( f.getPrecision() ).scale( f.getScale() ).named( formatFieldName );
      } else {
        return Types.required( PrimitiveType.PrimitiveTypeName.BINARY ).as( OriginalType.DECIMAL )
          .precision( f.getPrecision() ).scale( f.getScale() ).named( formatFieldName );
      }
    case DECIMAL_INT_32:
      if ( f.getAllowNull() ) {
        return Types.optional( PrimitiveType.PrimitiveTypeName.INT32 ).as( OriginalType.DECIMAL )
          .precision( f.getPrecision() ).scale( f.getScale() ).named( formatFieldName );
      } else {
        return Types.required( PrimitiveType.PrimitiveTypeName.INT32 ).as( OriginalType.DECIMAL )
          .precision( f.getPrecision() ).scale( f.getScale() ).named( formatFieldName );
      }
    case DECIMAL_INT_64:
      if ( f.getAllowNull() ) {
        return Types.optional( PrimitiveType.PrimitiveTypeName.INT64 ).as( OriginalType.DECIMAL )
          .precision( f.getPrecision() ).scale( f.getScale() ).named( formatFieldName );
      } else {
        return Types.required( PrimitiveType.PrimitiveTypeName.INT64 ).as( OriginalType.DECIMAL )
          .precision( f.getPrecision() ).scale( f.getScale() ).named( formatFieldName );
      }
    case TIMESTAMP_MILLIS:
      return new PrimitiveType( rep, PrimitiveType.PrimitiveTypeName.INT64, formatFieldName,
        OriginalType.TIMESTAMP_MILLIS );
    default:
      throw new RuntimeException( "Unsupported output type: " + f.getParquetType() );
  }
}