java.lang.Object
- org.apache.parquet.format.ColumnMetaData

All Implemented Interfaces:: Serializable, Cloneable, Comparable<ColumnMetaData>, org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>, org.apache.thrift.TSerializable

@Generated(value="Autogenerated by Thrift Compiler (0.22.0)",
           date="2025-12-22")
public class ColumnMetaData
extends Object
implements org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>, Serializable, Cloneable, Comparable<ColumnMetaData>

Description for column metadata

See Also:: Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`ColumnMetaData._Fields`	The set of fields this struct contains, along with convenience methods for finding and manipulating them.

Field Summary

Fields
Modifier and Type	Field	Description
`int`	`bloom_filter_length`	Size of Bloom filter data including the serialized header, in bytes.
`long`	`bloom_filter_offset`	Byte offset from beginning of file to Bloom filter data
`CompressionCodec`	`codec`	Compression codec *
`long`	`data_page_offset`	Byte offset from beginning of file to first data page *
`long`	`dictionary_page_offset`	Byte offset from the beginning of file to first (only) dictionary page *
`List<PageEncodingStats>`	`encoding_stats`	Set of all encodings used for pages in this column chunk.
`List<Encoding>`	`encodings`	Set of all encodings used for this column.
`GeospatialStatistics`	`geospatial_statistics`	Optional statistics specific for Geometry and Geography logical types
`long`	`index_page_offset`	Byte offset from beginning of file to root index page *
`List<KeyValue>`	`key_value_metadata`	Optional key/value metadata *
`static Map<ColumnMetaData._Fields,org.apache.thrift.meta_data.FieldMetaData>`	`metaDataMap`
`long`	`num_values`	Number of values in this column *
`List<String>`	`path_in_schema`	Path in schema *
`SizeStatistics`	`size_statistics`	Optional statistics to help estimate total memory when converted to in-memory representations.
`Statistics`	`statistics`	optional statistics for this column chunk
`long`	`total_compressed_size`	total byte size of all compressed, and potentially encrypted, pages in this column chunk (including the headers) *
`long`	`total_uncompressed_size`	total byte size of all uncompressed pages in this column chunk (including the headers) *
`Type`	`type`	Type of this column *

Constructor Summary

Constructors
Constructor	Description
`ColumnMetaData()`
`ColumnMetaData(ColumnMetaData other)`	Performs a deep copy on other.
`ColumnMetaData(Type type, List<Encoding> encodings, List<String> path_in_schema, CompressionCodec codec, long num_values, long total_uncompressed_size, long total_compressed_size, long data_page_offset)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addToEncoding_stats(PageEncodingStats elem)`
`void`	`addToEncodings(Encoding elem)`
`void`	`addToKey_value_metadata(KeyValue elem)`
`void`	`addToPath_in_schema(String elem)`
`void`	`clear()`
`int`	`compareTo(ColumnMetaData other)`
`ColumnMetaData`	`deepCopy()`
`boolean`	`equals(Object that)`
`boolean`	`equals(ColumnMetaData that)`
`ColumnMetaData._Fields`	`fieldForId(int fieldId)`
`int`	`getBloom_filter_length()`	Size of Bloom filter data including the serialized header, in bytes.
`long`	`getBloom_filter_offset()`	Byte offset from beginning of file to Bloom filter data
`CompressionCodec`	`getCodec()`	Compression codec *
`long`	`getData_page_offset()`	Byte offset from beginning of file to first data page *
`long`	`getDictionary_page_offset()`	Byte offset from the beginning of file to first (only) dictionary page *
`List<PageEncodingStats>`	`getEncoding_stats()`	Set of all encodings used for pages in this column chunk.
`Iterator<PageEncodingStats>`	`getEncoding_statsIterator()`
`int`	`getEncoding_statsSize()`
`List<Encoding>`	`getEncodings()`	Set of all encodings used for this column.
`Iterator<Encoding>`	`getEncodingsIterator()`
`int`	`getEncodingsSize()`
`Object`	`getFieldValue(ColumnMetaData._Fields field)`
`GeospatialStatistics`	`getGeospatial_statistics()`	Optional statistics specific for Geometry and Geography logical types
`long`	`getIndex_page_offset()`	Byte offset from beginning of file to root index page *
`List<KeyValue>`	`getKey_value_metadata()`	Optional key/value metadata *
`Iterator<KeyValue>`	`getKey_value_metadataIterator()`
`int`	`getKey_value_metadataSize()`
`long`	`getNum_values()`	Number of values in this column *
`List<String>`	`getPath_in_schema()`	Path in schema *
`Iterator<String>`	`getPath_in_schemaIterator()`
`int`	`getPath_in_schemaSize()`
`SizeStatistics`	`getSize_statistics()`	Optional statistics to help estimate total memory when converted to in-memory representations.
`Statistics`	`getStatistics()`	optional statistics for this column chunk
`long`	`getTotal_compressed_size()`	total byte size of all compressed, and potentially encrypted, pages in this column chunk (including the headers) *
`long`	`getTotal_uncompressed_size()`	total byte size of all uncompressed pages in this column chunk (including the headers) *
`Type`	`getType()`	Type of this column *
`int`	`hashCode()`
`boolean`	`isSet(ColumnMetaData._Fields field)`	Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
`boolean`	`isSetBloom_filter_length()`	Returns true if field bloom_filter_length is set (has been assigned a value) and false otherwise
`boolean`	`isSetBloom_filter_offset()`	Returns true if field bloom_filter_offset is set (has been assigned a value) and false otherwise
`boolean`	`isSetCodec()`	Returns true if field codec is set (has been assigned a value) and false otherwise
`boolean`	`isSetData_page_offset()`	Returns true if field data_page_offset is set (has been assigned a value) and false otherwise
`boolean`	`isSetDictionary_page_offset()`	Returns true if field dictionary_page_offset is set (has been assigned a value) and false otherwise
`boolean`	`isSetEncoding_stats()`	Returns true if field encoding_stats is set (has been assigned a value) and false otherwise
`boolean`	`isSetEncodings()`	Returns true if field encodings is set (has been assigned a value) and false otherwise
`boolean`	`isSetGeospatial_statistics()`	Returns true if field geospatial_statistics is set (has been assigned a value) and false otherwise
`boolean`	`isSetIndex_page_offset()`	Returns true if field index_page_offset is set (has been assigned a value) and false otherwise
`boolean`	`isSetKey_value_metadata()`	Returns true if field key_value_metadata is set (has been assigned a value) and false otherwise
`boolean`	`isSetNum_values()`	Returns true if field num_values is set (has been assigned a value) and false otherwise
`boolean`	`isSetPath_in_schema()`	Returns true if field path_in_schema is set (has been assigned a value) and false otherwise
`boolean`	`isSetSize_statistics()`	Returns true if field size_statistics is set (has been assigned a value) and false otherwise
`boolean`	`isSetStatistics()`	Returns true if field statistics is set (has been assigned a value) and false otherwise
`boolean`	`isSetTotal_compressed_size()`	Returns true if field total_compressed_size is set (has been assigned a value) and false otherwise
`boolean`	`isSetTotal_uncompressed_size()`	Returns true if field total_uncompressed_size is set (has been assigned a value) and false otherwise
`boolean`	`isSetType()`	Returns true if field type is set (has been assigned a value) and false otherwise
`void`	`read(org.apache.thrift.protocol.TProtocol iprot)`
`ColumnMetaData`	`setBloom_filter_length(int bloom_filter_length)`	Size of Bloom filter data including the serialized header, in bytes.
`void`	`setBloom_filter_lengthIsSet(boolean value)`
`ColumnMetaData`	`setBloom_filter_offset(long bloom_filter_offset)`	Byte offset from beginning of file to Bloom filter data
`void`	`setBloom_filter_offsetIsSet(boolean value)`
`ColumnMetaData`	`setCodec(CompressionCodec codec)`	Compression codec *
`void`	`setCodecIsSet(boolean value)`
`ColumnMetaData`	`setData_page_offset(long data_page_offset)`	Byte offset from beginning of file to first data page *
`void`	`setData_page_offsetIsSet(boolean value)`
`ColumnMetaData`	`setDictionary_page_offset(long dictionary_page_offset)`	Byte offset from the beginning of file to first (only) dictionary page *
`void`	`setDictionary_page_offsetIsSet(boolean value)`
`ColumnMetaData`	`setEncoding_stats(List<PageEncodingStats> encoding_stats)`	Set of all encodings used for pages in this column chunk.
`void`	`setEncoding_statsIsSet(boolean value)`
`ColumnMetaData`	`setEncodings(List<Encoding> encodings)`	Set of all encodings used for this column.
`void`	`setEncodingsIsSet(boolean value)`
`void`	`setFieldValue(ColumnMetaData._Fields field, Object value)`
`ColumnMetaData`	`setGeospatial_statistics(GeospatialStatistics geospatial_statistics)`	Optional statistics specific for Geometry and Geography logical types
`void`	`setGeospatial_statisticsIsSet(boolean value)`
`ColumnMetaData`	`setIndex_page_offset(long index_page_offset)`	Byte offset from beginning of file to root index page *
`void`	`setIndex_page_offsetIsSet(boolean value)`
`ColumnMetaData`	`setKey_value_metadata(List<KeyValue> key_value_metadata)`	Optional key/value metadata *
`void`	`setKey_value_metadataIsSet(boolean value)`
`ColumnMetaData`	`setNum_values(long num_values)`	Number of values in this column *
`void`	`setNum_valuesIsSet(boolean value)`
`ColumnMetaData`	`setPath_in_schema(List<String> path_in_schema)`	Path in schema *
`void`	`setPath_in_schemaIsSet(boolean value)`
`ColumnMetaData`	`setSize_statistics(SizeStatistics size_statistics)`	Optional statistics to help estimate total memory when converted to in-memory representations.
`void`	`setSize_statisticsIsSet(boolean value)`
`ColumnMetaData`	`setStatistics(Statistics statistics)`	optional statistics for this column chunk
`void`	`setStatisticsIsSet(boolean value)`
`ColumnMetaData`	`setTotal_compressed_size(long total_compressed_size)`	total byte size of all compressed, and potentially encrypted, pages in this column chunk (including the headers) *
`void`	`setTotal_compressed_sizeIsSet(boolean value)`
`ColumnMetaData`	`setTotal_uncompressed_size(long total_uncompressed_size)`	total byte size of all uncompressed pages in this column chunk (including the headers) *
`void`	`setTotal_uncompressed_sizeIsSet(boolean value)`
`ColumnMetaData`	`setType(Type type)`	Type of this column *
`void`	`setTypeIsSet(boolean value)`
`String`	`toString()`
`void`	`unsetBloom_filter_length()`
`void`	`unsetBloom_filter_offset()`
`void`	`unsetCodec()`
`void`	`unsetData_page_offset()`
`void`	`unsetDictionary_page_offset()`
`void`	`unsetEncoding_stats()`
`void`	`unsetEncodings()`
`void`	`unsetGeospatial_statistics()`
`void`	`unsetIndex_page_offset()`
`void`	`unsetKey_value_metadata()`
`void`	`unsetNum_values()`
`void`	`unsetPath_in_schema()`
`void`	`unsetSize_statistics()`
`void`	`unsetStatistics()`
`void`	`unsetTotal_compressed_size()`
`void`	`unsetTotal_uncompressed_size()`
`void`	`unsetType()`
`void`	`validate()`
`void`	`write(org.apache.thrift.protocol.TProtocol oprot)`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - type
```
public Type type
```
    Type of this column *
    
    See Also:
    
    Type
  - encodings
```
public List<Encoding> encodings
```
    Set of all encodings used for this column. The purpose is to validate whether we can decode those pages. *
  - path_in_schema
```
public List<String> path_in_schema
```
    Path in schema *
  - codec
```
public CompressionCodec codec
```
    Compression codec *
    
    See Also:
    
    CompressionCodec
  - num_values
```
public long num_values
```
    Number of values in this column *
  - total_uncompressed_size
```
public long total_uncompressed_size
```
    total byte size of all uncompressed pages in this column chunk (including the headers) *
  - total_compressed_size
```
public long total_compressed_size
```
    total byte size of all compressed, and potentially encrypted, pages in this column chunk (including the headers) *
  - key_value_metadata
```
public List<KeyValue> key_value_metadata
```
    Optional key/value metadata *
  - data_page_offset
```
public long data_page_offset
```
    Byte offset from beginning of file to first data page *
  - index_page_offset
```
public long index_page_offset
```
    Byte offset from beginning of file to root index page *
  - dictionary_page_offset
```
public long dictionary_page_offset
```
    Byte offset from the beginning of file to first (only) dictionary page *
  - statistics
```
public Statistics statistics
```
    optional statistics for this column chunk
  - encoding_stats
```
public List<PageEncodingStats> encoding_stats
```
    Set of all encodings used for pages in this column chunk. This information can be used to determine if all data pages are dictionary encoded for example *
  - bloom_filter_offset
```
public long bloom_filter_offset
```
    Byte offset from beginning of file to Bloom filter data. *
  - bloom_filter_length
```
public int bloom_filter_length
```
    Size of Bloom filter data including the serialized header, in bytes. Added in 2.10 so readers may not read this field from old files and it can be obtained after the BloomFilterHeader has been deserialized. Writers should write this field so readers can read the bloom filter in a single I/O.
  - size_statistics
```
public SizeStatistics size_statistics
```
    Optional statistics to help estimate total memory when converted to in-memory representations. The histograms contained in these statistics can also be useful in some cases for more fine-grained nullability/list length filter pushdown.
  - geospatial_statistics
```
public GeospatialStatistics geospatial_statistics
```
    Optional statistics specific for Geometry and Geography logical types
  - metaDataMap
```
public static final Map<ColumnMetaData._Fields,org.apache.thrift.meta_data.FieldMetaData> metaDataMap
```
- Constructor Detail
  - ColumnMetaData
```
public ColumnMetaData()
```
  - ColumnMetaData
```
public ColumnMetaData(Type type,
                      List<Encoding> encodings,
                      List<String> path_in_schema,
                      CompressionCodec codec,
                      long num_values,
                      long total_uncompressed_size,
                      long total_compressed_size,
                      long data_page_offset)
```
  - ColumnMetaData
```
public ColumnMetaData(ColumnMetaData other)
```
    Performs a deep copy on other.
- Method Detail
  - deepCopy
```
public ColumnMetaData deepCopy()
```
    Specified by:
    
    deepCopy in interface org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>
  - getType
```
public Type getType()
```
    Type of this column *
    
    See Also:
    
    Type
  - setType
```
public ColumnMetaData setType(Type type)
```
    Type of this column *
    
    See Also:
    
    Type
  - unsetType
```
public void unsetType()
```
  - isSetType
```
public boolean isSetType()
```
    Returns true if field type is set (has been assigned a value) and false otherwise
  - setTypeIsSet
```
public void setTypeIsSet(boolean value)
```
  - getEncodingsSize
```
public int getEncodingsSize()
```
  - getEncodingsIterator
```
public Iterator<Encoding> getEncodingsIterator()
```
  - addToEncodings
```
public void addToEncodings(Encoding elem)
```
  - getEncodings
```
public List<Encoding> getEncodings()
```
    Set of all encodings used for this column. The purpose is to validate whether we can decode those pages. *
  - setEncodings
```
public ColumnMetaData setEncodings(List<Encoding> encodings)
```
    Set of all encodings used for this column. The purpose is to validate whether we can decode those pages. *
  - unsetEncodings
```
public void unsetEncodings()
```
  - isSetEncodings
```
public boolean isSetEncodings()
```
    Returns true if field encodings is set (has been assigned a value) and false otherwise
  - setEncodingsIsSet
```
public void setEncodingsIsSet(boolean value)
```
  - getPath_in_schemaSize
```
public int getPath_in_schemaSize()
```
  - getPath_in_schemaIterator
```
public Iterator<String> getPath_in_schemaIterator()
```
  - addToPath_in_schema
```
public void addToPath_in_schema(String elem)
```
  - getPath_in_schema
```
public List<String> getPath_in_schema()
```
    Path in schema *
  - setPath_in_schema
```
public ColumnMetaData setPath_in_schema(List<String> path_in_schema)
```
    Path in schema *
  - unsetPath_in_schema
```
public void unsetPath_in_schema()
```
  - isSetPath_in_schema
```
public boolean isSetPath_in_schema()
```
    Returns true if field path_in_schema is set (has been assigned a value) and false otherwise
  - setPath_in_schemaIsSet
```
public void setPath_in_schemaIsSet(boolean value)
```
  - getCodec
```
public CompressionCodec getCodec()
```
    Compression codec *
    
    See Also:
    
    CompressionCodec
  - setCodec
```
public ColumnMetaData setCodec(CompressionCodec codec)
```
    Compression codec *
    
    See Also:
    
    CompressionCodec
  - unsetCodec
```
public void unsetCodec()
```
  - isSetCodec
```
public boolean isSetCodec()
```
    Returns true if field codec is set (has been assigned a value) and false otherwise
  - setCodecIsSet
```
public void setCodecIsSet(boolean value)
```
  - getNum_values
```
public long getNum_values()
```
    Number of values in this column *
  - setNum_values
```
public ColumnMetaData setNum_values(long num_values)
```
    Number of values in this column *
  - unsetNum_values
```
public void unsetNum_values()
```
  - isSetNum_values
```
public boolean isSetNum_values()
```
    Returns true if field num_values is set (has been assigned a value) and false otherwise
  - setNum_valuesIsSet
```
public void setNum_valuesIsSet(boolean value)
```
  - getTotal_uncompressed_size
```
public long getTotal_uncompressed_size()
```
    total byte size of all uncompressed pages in this column chunk (including the headers) *
  - setTotal_uncompressed_size
```
public ColumnMetaData setTotal_uncompressed_size(long total_uncompressed_size)
```
    total byte size of all uncompressed pages in this column chunk (including the headers) *
  - unsetTotal_uncompressed_size
```
public void unsetTotal_uncompressed_size()
```
  - isSetTotal_uncompressed_size
```
public boolean isSetTotal_uncompressed_size()
```
    Returns true if field total_uncompressed_size is set (has been assigned a value) and false otherwise
  - setTotal_uncompressed_sizeIsSet
```
public void setTotal_uncompressed_sizeIsSet(boolean value)
```
  - getTotal_compressed_size
```
public long getTotal_compressed_size()
```
    total byte size of all compressed, and potentially encrypted, pages in this column chunk (including the headers) *
  - setTotal_compressed_size
```
public ColumnMetaData setTotal_compressed_size(long total_compressed_size)
```
    total byte size of all compressed, and potentially encrypted, pages in this column chunk (including the headers) *
  - unsetTotal_compressed_size
```
public void unsetTotal_compressed_size()
```
  - isSetTotal_compressed_size
```
public boolean isSetTotal_compressed_size()
```
    Returns true if field total_compressed_size is set (has been assigned a value) and false otherwise
  - setTotal_compressed_sizeIsSet
```
public void setTotal_compressed_sizeIsSet(boolean value)
```
  - getKey_value_metadataSize
```
public int getKey_value_metadataSize()
```
  - getKey_value_metadataIterator
```
public Iterator<KeyValue> getKey_value_metadataIterator()
```
  - addToKey_value_metadata
```
public void addToKey_value_metadata(KeyValue elem)
```
  - getKey_value_metadata
```
public List<KeyValue> getKey_value_metadata()
```
    Optional key/value metadata *
  - setKey_value_metadata
```
public ColumnMetaData setKey_value_metadata(List<KeyValue> key_value_metadata)
```
    Optional key/value metadata *
  - unsetKey_value_metadata
```
public void unsetKey_value_metadata()
```
  - isSetKey_value_metadata
```
public boolean isSetKey_value_metadata()
```
    Returns true if field key_value_metadata is set (has been assigned a value) and false otherwise
  - setKey_value_metadataIsSet
```
public void setKey_value_metadataIsSet(boolean value)
```
  - getData_page_offset
```
public long getData_page_offset()
```
    Byte offset from beginning of file to first data page *
  - setData_page_offset
```
public ColumnMetaData setData_page_offset(long data_page_offset)
```
    Byte offset from beginning of file to first data page *
  - unsetData_page_offset
```
public void unsetData_page_offset()
```
  - isSetData_page_offset
```
public boolean isSetData_page_offset()
```
    Returns true if field data_page_offset is set (has been assigned a value) and false otherwise
  - setData_page_offsetIsSet
```
public void setData_page_offsetIsSet(boolean value)
```
  - getIndex_page_offset
```
public long getIndex_page_offset()
```
    Byte offset from beginning of file to root index page *
  - setIndex_page_offset
```
public ColumnMetaData setIndex_page_offset(long index_page_offset)
```
    Byte offset from beginning of file to root index page *
  - unsetIndex_page_offset
```
public void unsetIndex_page_offset()
```
  - isSetIndex_page_offset
```
public boolean isSetIndex_page_offset()
```
    Returns true if field index_page_offset is set (has been assigned a value) and false otherwise
  - setIndex_page_offsetIsSet
```
public void setIndex_page_offsetIsSet(boolean value)
```
  - getDictionary_page_offset
```
public long getDictionary_page_offset()
```
    Byte offset from the beginning of file to first (only) dictionary page *
  - setDictionary_page_offset
```
public ColumnMetaData setDictionary_page_offset(long dictionary_page_offset)
```
    Byte offset from the beginning of file to first (only) dictionary page *
  - unsetDictionary_page_offset
```
public void unsetDictionary_page_offset()
```
  - isSetDictionary_page_offset
```
public boolean isSetDictionary_page_offset()
```
    Returns true if field dictionary_page_offset is set (has been assigned a value) and false otherwise
  - setDictionary_page_offsetIsSet
```
public void setDictionary_page_offsetIsSet(boolean value)
```
  - getStatistics
```
public Statistics getStatistics()
```
    optional statistics for this column chunk
  - setStatistics
```
public ColumnMetaData setStatistics(Statistics statistics)
```
    optional statistics for this column chunk
  - unsetStatistics
```
public void unsetStatistics()
```
  - isSetStatistics
```
public boolean isSetStatistics()
```
    Returns true if field statistics is set (has been assigned a value) and false otherwise
  - setStatisticsIsSet
```
public void setStatisticsIsSet(boolean value)
```
  - getEncoding_statsSize
```
public int getEncoding_statsSize()
```
  - getEncoding_statsIterator
```
public Iterator<PageEncodingStats> getEncoding_statsIterator()
```
  - addToEncoding_stats
```
public void addToEncoding_stats(PageEncodingStats elem)
```
  - getEncoding_stats
```
public List<PageEncodingStats> getEncoding_stats()
```
    Set of all encodings used for pages in this column chunk. This information can be used to determine if all data pages are dictionary encoded for example *
  - setEncoding_stats
```
public ColumnMetaData setEncoding_stats(List<PageEncodingStats> encoding_stats)
```
    Set of all encodings used for pages in this column chunk. This information can be used to determine if all data pages are dictionary encoded for example *
  - unsetEncoding_stats
```
public void unsetEncoding_stats()
```
  - isSetEncoding_stats
```
public boolean isSetEncoding_stats()
```
    Returns true if field encoding_stats is set (has been assigned a value) and false otherwise
  - setEncoding_statsIsSet
```
public void setEncoding_statsIsSet(boolean value)
```
  - getBloom_filter_offset
```
public long getBloom_filter_offset()
```
    Byte offset from beginning of file to Bloom filter data. *
  - setBloom_filter_offset
```
public ColumnMetaData setBloom_filter_offset(long bloom_filter_offset)
```
    Byte offset from beginning of file to Bloom filter data. *
  - unsetBloom_filter_offset
```
public void unsetBloom_filter_offset()
```
  - isSetBloom_filter_offset
```
public boolean isSetBloom_filter_offset()
```
    Returns true if field bloom_filter_offset is set (has been assigned a value) and false otherwise
  - setBloom_filter_offsetIsSet
```
public void setBloom_filter_offsetIsSet(boolean value)
```
  - getBloom_filter_length
```
public int getBloom_filter_length()
```
    Size of Bloom filter data including the serialized header, in bytes. Added in 2.10 so readers may not read this field from old files and it can be obtained after the BloomFilterHeader has been deserialized. Writers should write this field so readers can read the bloom filter in a single I/O.
  - setBloom_filter_length
```
public ColumnMetaData setBloom_filter_length(int bloom_filter_length)
```
    Size of Bloom filter data including the serialized header, in bytes. Added in 2.10 so readers may not read this field from old files and it can be obtained after the BloomFilterHeader has been deserialized. Writers should write this field so readers can read the bloom filter in a single I/O.
  - unsetBloom_filter_length
```
public void unsetBloom_filter_length()
```
  - isSetBloom_filter_length
```
public boolean isSetBloom_filter_length()
```
    Returns true if field bloom_filter_length is set (has been assigned a value) and false otherwise
  - setBloom_filter_lengthIsSet
```
public void setBloom_filter_lengthIsSet(boolean value)
```
  - getSize_statistics
```
public SizeStatistics getSize_statistics()
```
    Optional statistics to help estimate total memory when converted to in-memory representations. The histograms contained in these statistics can also be useful in some cases for more fine-grained nullability/list length filter pushdown.
  - setSize_statistics
```
public ColumnMetaData setSize_statistics(SizeStatistics size_statistics)
```
    Optional statistics to help estimate total memory when converted to in-memory representations. The histograms contained in these statistics can also be useful in some cases for more fine-grained nullability/list length filter pushdown.
  - unsetSize_statistics
```
public void unsetSize_statistics()
```
  - isSetSize_statistics
```
public boolean isSetSize_statistics()
```
    Returns true if field size_statistics is set (has been assigned a value) and false otherwise
  - setSize_statisticsIsSet
```
public void setSize_statisticsIsSet(boolean value)
```
  - getGeospatial_statistics
```
public GeospatialStatistics getGeospatial_statistics()
```
    Optional statistics specific for Geometry and Geography logical types
  - setGeospatial_statistics
```
public ColumnMetaData setGeospatial_statistics(GeospatialStatistics geospatial_statistics)
```
    Optional statistics specific for Geometry and Geography logical types
  - unsetGeospatial_statistics
```
public void unsetGeospatial_statistics()
```
  - isSetGeospatial_statistics
```
public boolean isSetGeospatial_statistics()
```
    Returns true if field geospatial_statistics is set (has been assigned a value) and false otherwise
  - setGeospatial_statisticsIsSet
```
public void setGeospatial_statisticsIsSet(boolean value)
```
  - setFieldValue
```
public void setFieldValue(ColumnMetaData._Fields field,
                          Object value)
```
    Specified by:
    
    setFieldValue in interface org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>
  - getFieldValue
```
public Object getFieldValue(ColumnMetaData._Fields field)
```
    Specified by:
    
    getFieldValue in interface org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>
  - isSet
```
public boolean isSet(ColumnMetaData._Fields field)
```
    Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
    
    Specified by:
    
    isSet in interface org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>
  - equals
```
public boolean equals(Object that)
```
    Overrides:
    
    equals in class Object
  - equals
```
public boolean equals(ColumnMetaData that)
```
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - compareTo
```
public int compareTo(ColumnMetaData other)
```
    Specified by:
    
    compareTo in interface Comparable<ColumnMetaData>
  - fieldForId
```
public ColumnMetaData._Fields fieldForId(int fieldId)
```
    Specified by:
    
    fieldForId in interface org.apache.thrift.TBase<ColumnMetaData,ColumnMetaData._Fields>
  - read
```
public void read(org.apache.thrift.protocol.TProtocol iprot)
          throws org.apache.thrift.TException
```
    Specified by:
    
    read in interface org.apache.thrift.TSerializable
    
    Throws:
    
    org.apache.thrift.TException
  - write
```
public void write(org.apache.thrift.protocol.TProtocol oprot)
           throws org.apache.thrift.TException
```
    Specified by:
    
    write in interface org.apache.thrift.TSerializable
    
    Throws:
    
    org.apache.thrift.TException
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - validate
```
public void validate()
              throws org.apache.thrift.TException
```
    Throws:
    
    org.apache.thrift.TException

Class ColumnMetaData

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

type

encodings

path_in_schema

codec

num_values

total_uncompressed_size

total_compressed_size

key_value_metadata

data_page_offset

index_page_offset

dictionary_page_offset

statistics

encoding_stats

bloom_filter_offset

bloom_filter_length

size_statistics

geospatial_statistics

metaDataMap

Constructor Detail

ColumnMetaData

ColumnMetaData

ColumnMetaData

Method Detail

deepCopy

clear

getType

setType

unsetType

isSetType

setTypeIsSet

getEncodingsSize

getEncodingsIterator

addToEncodings

getEncodings

setEncodings

unsetEncodings

isSetEncodings

setEncodingsIsSet

getPath_in_schemaSize

getPath_in_schemaIterator

addToPath_in_schema

getPath_in_schema

setPath_in_schema

unsetPath_in_schema

isSetPath_in_schema

setPath_in_schemaIsSet

getCodec

setCodec

unsetCodec

isSetCodec

setCodecIsSet

getNum_values

setNum_values

unsetNum_values

isSetNum_values

setNum_valuesIsSet

getTotal_uncompressed_size

setTotal_uncompressed_size

unsetTotal_uncompressed_size

isSetTotal_uncompressed_size

setTotal_uncompressed_sizeIsSet

getTotal_compressed_size

setTotal_compressed_size

unsetTotal_compressed_size

isSetTotal_compressed_size

setTotal_compressed_sizeIsSet

getKey_value_metadataSize

getKey_value_metadataIterator

addToKey_value_metadata

getKey_value_metadata

setKey_value_metadata

unsetKey_value_metadata

isSetKey_value_metadata