Uses of Class org.apache.orc.Reader.Options (ORC Core 1.6.6 API)
Date: 2021-01-13

## Uses of Class
org.apache.orc.Reader.Options

- Packages that use Reader.Options
  Package | Description
  --- | ---
  org.apache.orc |
  org.apache.orc.impl |

- - ### Uses of Reader.Options in org.apache.orc

    Methods in org.apache.orc that return Reader.Options
    Modifier and Type | Method and Description
    --- | ---
    `Reader.Options` | Reader.Options.`clone()`
    `Reader.Options` | Reader.Options.`dataReader(DataReader value)`
    `Reader.Options` | Reader.Options.`forcePositionalEvolution(boolean value)` Set whether to force schema evolution to be positional instead of based on the column names.
    `Reader.Options` | Reader.Options.`include(boolean[] include)` Set the list of columns to read.
    `Reader.Options` | Reader.Options.`includeAcidColumns(boolean includeAcidColumns)` `true` if acid metadata columns should be decoded otherwise they will be set to `null`.
    `Reader.Options` | Reader.Options.`isSchemaEvolutionCaseAware(boolean value)` Set boolean flag to determine if the comparision of field names in schema evolution is case sensitive
    `Reader.Options` | Reader.`options()` Create a default options object that can be customized for creating a RecordReader.
    `Reader.Options` | Reader.Options.`positionalEvolutionLevel(int value)` Set number of levels to force schema evolution to be positional instead of based on the column names.
    `Reader.Options` | Reader.Options.`range(long offset, long length)` Set the range of bytes to read
    `Reader.Options` | Reader.Options.`schema(TypeDescription schema)` Set the schema on read type description.
    `Reader.Options` | Reader.Options.`searchArgument(SearchArgument sarg, String[] columnNames)` Set search argument for predicate push down.
    `Reader.Options` | Reader.Options.`skipCorruptRecords(boolean value)` Set whether to skip corrupt records.
    `Reader.Options` | Reader.Options.`tolerateMissingSchema(boolean value)` Set whether to make a best effort to tolerate schema evolution for files which do not have an embedded schema because they were written with a' pre-HIVE-4243 writer.
    `Reader.Options` | Reader.Options.`useZeroCopy(boolean value)` Set whether to use zero copy from HDFS.

    Methods in org.apache.orc with parameters of type Reader.Options
    Modifier and Type | Method and Description
    --- | ---
    `RecordReader` | Reader.`rows(Reader.Options options)` Create a RecordReader that uses the options given.

  - ### Uses of Reader.Options in org.apache.orc.impl

    Methods in org.apache.orc.impl that return Reader.Options
    Modifier and Type | Method and Description
    --- | ---
    `Reader.Options` | ReaderImpl.`options()`

    Methods in org.apache.orc.impl with parameters of type Reader.Options
    Modifier and Type | Method and Description
    --- | ---
    `RecordReader` | ReaderImpl.`rows(Reader.Options options)`

    Constructors in org.apache.orc.impl with parameters of type Reader.Options
    Constructor and Description
    `RecordReaderImpl(ReaderImpl fileReader, Reader.Options options)`
    `SchemaEvolution(TypeDescription fileSchema, TypeDescription readerSchema, Reader.Options options)`

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