Package io.trino.plugin.hive.s3select

Class S3SelectPushdown

java.lang.Object

io.trino.plugin.hive.s3select.S3SelectPushdown

public final class S3SelectPushdown
extends Object

S3SelectPushdown uses Amazon S3 Select to push down queries to Amazon S3. This allows Presto to retrieve only a subset of data rather than retrieving the full S3 object thus improving Presto query performance.

Method Summary

Modifier and Type	Method	Description
static boolean	isCompressionCodecSupported(org.apache.hadoop.mapred.InputFormat<?,?> inputFormat, String path)
static boolean	isSplittable(boolean s3SelectPushdownEnabled, Properties schema, org.apache.hadoop.mapred.InputFormat<?,?> inputFormat, String path)
static boolean	shouldEnablePushdownForTable(ConnectorSession session, Table table, String path, Optional<Partition> optionalPartition)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

isCompressionCodecSupported

public static boolean isCompressionCodecSupported(org.apache.hadoop.mapred.InputFormat<?,?> inputFormat,
 String path)

isSplittable

public static boolean isSplittable(boolean s3SelectPushdownEnabled,
 Properties schema,
 org.apache.hadoop.mapred.InputFormat<?,?> inputFormat,
 String path)

shouldEnablePushdownForTable

public static boolean shouldEnablePushdownForTable(ConnectorSession session,
 Table table,
 String path,
 Optional<Partition> optionalPartition)