Examples with HivePushDownPageSource io.prestosql.plugin.hive.HivePushDownPageSource used on opensource projects

Example 1 with HivePushDownPageSource

use of io.prestosql.plugin.hive.HivePushDownPageSource in project boostkit-bigdata by kunpengcompute.

the class ParquetPageSourceFactory method createParquetPushDownPageSource.

public HivePushDownPageSource createParquetPushDownPageSource(Path path, long start, long length, com.huawei.boostkit.omnidata.model.Predicate predicate) {
    AggregatedMemoryContext systemMemoryUsage = newSimpleAggregatedMemoryContext();
    Properties transProperties = new Properties();
    transProperties.put(OMNIDATA_CLIENT_TARGET_LIST, omniDataServerTarget);
    DataSource parquetPushDownDataSource = new com.huawei.boostkit.omnidata.model.datasource.hdfs.HdfsParquetDataSource(path.toString(), start, length, false);
    TaskSource readTaskInfo = new TaskSource(parquetPushDownDataSource, predicate, TaskSource.ONE_MEGABYTES);
    DataReader<Page> dataReader = DataReaderFactory.create(transProperties, readTaskInfo, new OpenLooKengDeserializer());
    return new HivePushDownPageSource(dataReader, systemMemoryUsage);
}

Example 2 with HivePushDownPageSource

use of io.prestosql.plugin.hive.HivePushDownPageSource in project boostkit-bigdata by kunpengcompute.

the class OrcPageSourceFactory method createOrcPushDownPageSource.

public HivePushDownPageSource createOrcPushDownPageSource(Path path, long start, long length, Predicate predicate) {
    AggregatedMemoryContext systemMemoryUsage = newSimpleAggregatedMemoryContext();
    Properties transProperties = new Properties();
    transProperties.put(OMNIDATA_CLIENT_TARGET_LIST, omniDataServerTarget);
    DataSource orcPushDownDataSource = new com.huawei.boostkit.omnidata.model.datasource.hdfs.HdfsOrcDataSource(path.toString(), start, length, false);
    TaskSource readTaskInfo = new TaskSource(orcPushDownDataSource, predicate, TaskSource.ONE_MEGABYTES);
    DataReader<Page> dataReader = DataReaderFactory.create(transProperties, readTaskInfo, new OpenLooKengDeserializer());
    return new HivePushDownPageSource(dataReader, systemMemoryUsage);
}