com.facebook.presto.parquet.predicate

Class PredicateUtils

java.lang.Object

com.facebook.presto.parquet.predicate.PredicateUtils

public final class PredicateUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static Predicate	buildPredicate(org.apache.parquet.schema.MessageType requestedSchema, TupleDomain<org.apache.parquet.column.ColumnDescriptor> parquetTupleDomain, Map<List<String>,RichColumnDescriptor> descriptorsByPath)
static boolean	isOnlyDictionaryEncodingPages(org.apache.parquet.hadoop.metadata.ColumnChunkMetaData columnMetaData)
static boolean	isStatisticsOverflow(Type type, long min, long max)
static boolean	predicateMatches(Predicate parquetPredicate, org.apache.parquet.hadoop.metadata.BlockMetaData block, ParquetDataSource dataSource, Map<List<String>,RichColumnDescriptor> descriptorsByPath, TupleDomain<org.apache.parquet.column.ColumnDescriptor> parquetTupleDomain, Optional<org.apache.parquet.internal.filter2.columnindex.ColumnIndexStore> columnIndexStore, boolean readColumnIndex)

Methods inherited from class java.lang.Object

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

Method Detail

isStatisticsOverflow

public static boolean isStatisticsOverflow(Type type,
                                           long min,
                                           long max)

buildPredicate

public static Predicate buildPredicate(org.apache.parquet.schema.MessageType requestedSchema,
                                       TupleDomain<org.apache.parquet.column.ColumnDescriptor> parquetTupleDomain,
                                       Map<List<String>,RichColumnDescriptor> descriptorsByPath)

predicateMatches

public static boolean predicateMatches(Predicate parquetPredicate,
                                       org.apache.parquet.hadoop.metadata.BlockMetaData block,
                                       ParquetDataSource dataSource,
                                       Map<List<String>,RichColumnDescriptor> descriptorsByPath,
                                       TupleDomain<org.apache.parquet.column.ColumnDescriptor> parquetTupleDomain,
                                       Optional<org.apache.parquet.internal.filter2.columnindex.ColumnIndexStore> columnIndexStore,
                                       boolean readColumnIndex)
                                throws ParquetCorruptionException

Throws:

ParquetCorruptionException

isOnlyDictionaryEncodingPages

public static boolean isOnlyDictionaryEncodingPages(org.apache.parquet.hadoop.metadata.ColumnChunkMetaData columnMetaData)