Examples with ColumnWriteStoreV1 org.apache.parquet.column.impl.ColumnWriteStoreV1 used on opensource projects

Example 1 with ColumnWriteStoreV1

use of org.apache.parquet.column.impl.ColumnWriteStoreV1 in project drill by apache.

the class ParquetRecordWriter method newSchema.

private void newSchema() throws IOException {
    List<Type> types = Lists.newArrayList();
    for (MaterializedField field : batchSchema) {
        if (field.getPath().equalsIgnoreCase(WriterPrel.PARTITION_COMPARATOR_FIELD)) {
            continue;
        }
        types.add(getType(field));
    }
    schema = new MessageType("root", types);
    int initialBlockBufferSize = max(MINIMUM_BUFFER_SIZE, blockSize / this.schema.getColumns().size() / 5);
    pageStore = ColumnChunkPageWriteStoreExposer.newColumnChunkPageWriteStore(this.oContext, codecFactory.getCompressor(codec), schema);
    int initialPageBufferSize = max(MINIMUM_BUFFER_SIZE, min(pageSize + pageSize / 10, initialBlockBufferSize));
    store = new ColumnWriteStoreV1(pageStore, pageSize, initialPageBufferSize, enableDictionary, writerVersion, new ParquetDirectByteBufferAllocator(oContext));
    MessageColumnIO columnIO = new ColumnIOFactory(false).getColumnIO(this.schema);
    consumer = columnIO.getRecordWriter(store);
    setUp(schema, consumer);
}