type BE128Reader interface {
	// Read 128-bit big-endian values into the buffer passed as argument,
	// returning the number of values read.
	//
	// The method returns io.EOF when all values have been read.
	ReadBE128s(values [][16]byte) (int, error)
}

type BE128Writer interface {
	// Write 128-bit big-endian values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteBE128s(values [][16]byte) (int, error)
}

type BloomFilter interface {
	// Implement the io.ReaderAt interface as a mechanism to allow reading the
	// raw bits of the filter.
	io.ReaderAt

	// Returns the size of the bloom filter (in bytes).
	Size() int64

	// Tests whether the given value is present in the filter.
	//
	// A non-nil error may be returned if reading the filter failed. This may
	// happen if the filter was lazily loaded from a storage medium during the
	// call to Check for example. Applications that can guarantee that the
	// filter was in memory at the time Check was called can safely ignore the
	// error, which would always be nil in this case.
	Check(value Value) (bool, error)
}

type BloomFilterColumn interface {
	// Returns the path of the column that the filter applies to.
	Path() []string

	// Returns the hashing algorithm used when inserting values into a bloom
	// filter.
	Hash() bloom.Hash

	// Returns an encoding which can be used to write columns of values to the
	// filter.
	Encoding() encoding.Encoding

	// Returns the size of the filter needed to encode values in the filter,
	// assuming each value will be encoded with the given number of bits.
	Size(numValues int64) int
}

type BooleanReader interface {
	// Read boolean values into the buffer passed as argument.
	//
	// The method returns io.EOF when all values have been read.
	ReadBooleans(values []bool) (int, error)
}

type BooleanWriter interface {
	// Write boolean values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteBooleans(values []bool) (int, error)
}

type Buffer struct {
	// contains filtered or unexported fields
}

type BufferPool interface {
	// GetBuffer is called when a parquet writer needs to acquire a new
	// page buffer from the pool.
	GetBuffer() io.ReadWriteSeeker

	// PutBuffer is called when a parquet writer releases a page buffer to
	// the pool.
	//
	// The parquet.Writer type guarantees that the buffers it calls this method
	// with were previously acquired by a call to GetBuffer on the same
	// pool, and that it will not use them anymore after the call.
	PutBuffer(io.ReadWriteSeeker)
}

type ByteArrayReader interface {
	// Read values into the byte buffer passed as argument, returning the number
	// of values written to the buffer (not the number of bytes). Values are
	// written using the PLAIN encoding, each byte array prefixed with its
	// length encoded as a 4 bytes little endian unsigned integer.
	//
	// The method returns io.EOF when all values have been read.
	//
	// If the buffer was not empty, but too small to hold at least one value,
	// io.ErrShortBuffer is returned.
	ReadByteArrays(values []byte) (int, error)
}

type ByteArrayWriter interface {
	// Write variable length byte array values.
	//
	// The values passed as input must be laid out using the PLAIN encoding,
	// with each byte array prefixed with the four bytes little endian unsigned
	// integer length.
	//
	// The method returns the number of values written to the underlying column
	// (not the number of bytes), or any error that occurred while attempting to
	// write the values.
	WriteByteArrays(values []byte) (int, error)
}

type Column struct {
	// contains filtered or unexported fields
}

type ColumnBuffer interface {
	// Exposes a read-only view of the column buffer.
	ColumnChunk

	// The column implements ValueReaderAt as a mechanism to read values at
	// specific locations within the buffer.
	ValueReaderAt

	// The column implements ValueWriter as a mechanism to optimize the copy
	// of values into the buffer in contexts where the row information is
	// provided by the values because the repetition and definition levels
	// are set.
	ValueWriter

	// For indexed columns, returns the underlying dictionary holding the column
	// values. If the column is not indexed, nil is returned.
	Dictionary() Dictionary

	// Returns a copy of the column. The returned copy shares no memory with
	// the original, mutations of either column will not modify the other.
	Clone() ColumnBuffer

	// Returns the column as a Page.
	Page() Page

	// Clears all rows written to the column.
	Reset()

	// Returns the current capacity of the column (rows).
	Cap() int

	// Returns the number of rows currently written to the column.
	Len() int

	// Compares rows at index i and j and reports whether i < j.
	Less(i, j int) bool

	// Swaps rows at index i and j.
	Swap(i, j int)

	// Returns the size of the column buffer in bytes.
	Size() int64
	// contains filtered or unexported methods
}

type ColumnChunk interface {
	// Returns the column type.
	Type() Type

	// Returns the index of this column in its parent row group.
	Column() int

	// Returns a reader exposing the pages of the column.
	Pages() Pages

	// Returns the components of the page index for this column chunk,
	// containing details about the content and location of pages within the
	// chunk.
	//
	// Note that the returned value may be the same across calls to these
	// methods, programs must treat those as read-only.
	//
	// If the column chunk does not have a column or offset index, the methods return
	// ErrMissingColumnIndex or ErrMissingOffsetIndex respectively.
	//
	// Prior to v0.20, these methods did not return an error because the page index
	// for a file was either fully read when the file was opened, or skipped
	// completely using the parquet.SkipPageIndex option. Version v0.20 introduced a
	// change that the page index can be read on-demand at any time, even if a file
	// was opened with the parquet.SkipPageIndex option. Since reading the page index
	// can fail, these methods now return an error.
	ColumnIndex() (ColumnIndex, error)
	OffsetIndex() (OffsetIndex, error)
	BloomFilter() BloomFilter

	// Returns the number of values in the column chunk.
	//
	// This quantity may differ from the number of rows in the parent row group
	// because repeated columns may hold zero or more values per row.
	NumValues() int64
}

type ColumnChunkValueReader interface {
	ValueReader
	RowSeeker
	io.Closer
}

type ColumnIndex interface {
	// NumPages returns the number of paged in the column index.
	NumPages() int

	// Returns the number of null values in the page at the given index.
	NullCount(int) int64

	// Tells whether the page at the given index contains null values only.
	NullPage(int) bool

	// PageIndex return min/max bounds for the page at the given index in the
	// column.
	MinValue(int) Value
	MaxValue(int) Value

	// IsAscending returns true if the column index min/max values are sorted
	// in ascending order (based on the ordering rules of the column's logical
	// type).
	IsAscending() bool

	// IsDescending returns true if the column index min/max values are sorted
	// in descending order (based on the ordering rules of the column's logical
	// type).
	IsDescending() bool
}

type ColumnIndexer interface {
	// Resets the column indexer state.
	Reset()

	// Add a page to the column indexer.
	IndexPage(numValues, numNulls int64, min, max Value)

	// Generates a format.ColumnIndex value from the current state of the
	// column indexer.
	//
	// The returned value may reference internal buffers, in which case the
	// values remain valid until the next call to IndexPage or Reset on the
	// column indexer.
	ColumnIndex() format.ColumnIndex
}

type ColumnWriter struct {
	// contains filtered or unexported fields
}

type ConcurrentRowGroupWriter struct {
	// contains filtered or unexported fields
}

type Conversion interface {
	// Applies the conversion logic on the src row, returning the result
	// appended to dst.
	Convert(rows []Row) (int, error)
	// Converts the given column index in the target schema to the original
	// column index in the source schema of the conversion.
	Column(int) int
	// Returns the target schema of the conversion.
	Schema() *Schema
}

type ConvertError struct {
	Path []string
	From Node
	To   Node
}

type DataPageHeader interface {
	PageHeader

	// Returns the encoding of the repetition level section.
	RepetitionLevelEncoding() format.Encoding

	// Returns the encoding of the definition level section.
	DefinitionLevelEncoding() format.Encoding

	// Returns the number of null values in the page.
	NullCount() int64

	// Returns the minimum value in the page based on the ordering rules of the
	// column's logical type.
	//
	// As an optimization, the method may return the same slice across multiple
	// calls. Programs must treat the returned value as immutable to prevent
	// unpredictable behaviors.
	//
	// If the page only contains only null values, an empty slice is returned.
	MinValue() []byte

	// Returns the maximum value in the page based on the ordering rules of the
	// column's logical type.
	//
	// As an optimization, the method may return the same slice across multiple
	// calls. Programs must treat the returned value as immutable to prevent
	// unpredictable behaviors.
	//
	// If the page only contains only null values, an empty slice is returned.
	MaxValue() []byte
}

type DataPageHeaderV1 struct {
	// contains filtered or unexported fields
}

type DataPageHeaderV2 struct {
	// contains filtered or unexported fields
}

type DecryptionConfig struct {
	Keys KeyRetriever
}

type Dictionary interface {
	// Returns the type that the dictionary was created from.
	Type() Type

	// Returns the number of value indexed in the dictionary.
	Len() int

	// Returns the total size in bytes of all values stored in the dictionary.
	// This is used for tracking dictionary memory usage and enforcing size limits.
	Size() int64

	// Returns the dictionary value at the given index.
	Index(index int32) Value

	// Inserts values from the second slice to the dictionary and writes the
	// indexes at which each value was inserted to the first slice.
	//
	// The method panics if the length of the indexes slice is smaller than the
	// length of the values slice.
	Insert(indexes []int32, values []Value)

	// Given an array of dictionary indexes, lookup the values into the array
	// of values passed as second argument.
	//
	// The method panics if len(indexes) > len(values), or one of the indexes
	// is negative or greater than the highest index in the dictionary.
	Lookup(indexes []int32, values []Value)

	// Returns the min and max values found in the given indexes.
	Bounds(indexes []int32) (min, max Value)

	// Resets the dictionary to its initial state, removing all values.
	Reset()

	// Returns a Page representing the content of the dictionary.
	//
	// The returned page shares the underlying memory of the buffer, it remains
	// valid to use until the dictionary's Reset method is called.
	Page() Page
	// contains filtered or unexported methods
}

type DictionaryPageHeader struct {
	// contains filtered or unexported fields
}

type DoubleReader interface {
	// Read double-precision floating point values into the buffer passed as
	// argument.
	//
	// The method returns io.EOF when all values have been read.
	ReadDoubles(values []float64) (int, error)
}

type DoubleWriter interface {
	// Write double-precision floating point values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteDoubles(values []float64) (int, error)
}

type EncryptionAlgorithmType int

type EncryptionConfig struct {
	// FooterKey is the AES key used to encrypt the footer and any columns
	// that do not have a per-column key. Must be 16, 24, or 32 bytes.
	FooterKey []byte

	// ColumnKeys maps a dot-joined column path (e.g. "a.b.c") to its AES key.
	// Columns not listed here use FooterKey.
	ColumnKeys map[string][]byte

	// Algorithm selects AES_GCM_V1 (default) or AES_GCM_CTR_V1.
	Algorithm EncryptionAlgorithmType

	// EncryptedFooter controls the file layout:
	//   true  → encrypted footer, file uses "PARE" magic.
	//   false → plaintext footer with GCM signature appended, file uses "PAR1" magic.
	EncryptedFooter bool

	// AadPrefix is an optional byte prefix that is prepended to every AAD.
	AadPrefix []byte

	// FileIdentifier is an 8-byte per-file unique value embedded in every AAD.
	// If nil, 8 random bytes are generated when the writer is created.
	FileIdentifier []byte
}

type Field interface {
	Node

	// Returns the name of this field in its parent node.
	Name() string

	// Given a reference to the Go value matching the structure of the parent
	// node, returns the Go value of the field.
	Value(base reflect.Value) reflect.Value
}

type File struct {
	// contains filtered or unexported fields
}

type FileBloomFilter struct {
	io.SectionReader
	// contains filtered or unexported fields
}

type FileColumnChunk struct {
	// contains filtered or unexported fields
}

type FileColumnIndex struct {
	// contains filtered or unexported fields
}

type FileConfig struct {
	SkipMagicBytes       bool
	SkipPageIndex        bool
	SkipBloomFilters     bool
	PrefetchBloomFilters bool
	OptimisticRead       bool
	ReadBufferSize       int
	ReadMode             ReadMode
	Schema               *Schema
	Decryption           *DecryptionConfig
}

type FileOffsetIndex struct {
	// contains filtered or unexported fields
}

type FileOption interface {
	ConfigureFile(*FileConfig)
}

type FilePages struct {
	// contains filtered or unexported fields
}

type FileRowGroup struct {
	// contains filtered or unexported fields
}

type FileView interface {
	Metadata() *format.FileMetaData
	Schema() *Schema
	NumRows() int64
	Lookup(key string) (string, bool)
	Size() int64
	Root() *Column
	RowGroups() []RowGroup
	ColumnIndexes() []format.ColumnIndex
	OffsetIndexes() []format.OffsetIndex
}

type FixedLenByteArrayReader interface {
	// Read values into the byte buffer passed as argument, returning the number
	// of values written to the buffer (not the number of bytes).
	//
	// The method returns io.EOF when all values have been read.
	//
	// If the buffer was not empty, but too small to hold at least one value,
	// io.ErrShortBuffer is returned.
	ReadFixedLenByteArrays(values []byte) (int, error)
}

type FixedLenByteArrayWriter interface {
	// Writes the fixed length byte array values.
	//
	// The size of the values is assumed to be the same as the expected size of
	// items in the column. The method errors if the length of the input values
	// is not a multiple of the expected item size.
	WriteFixedLenByteArrays(values []byte) (int, error)
}

type FloatReader interface {
	// Read single-precision floating point values into the buffer passed as
	// argument.
	//
	// The method returns io.EOF when all values have been read.
	ReadFloats(values []float32) (int, error)
}

type FloatWriter interface {
	// Write single-precision floating point values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteFloats(values []float32) (int, error)
}

type GenericBuffer[T any] struct {
	// contains filtered or unexported fields
}

type GenericReader[T any] struct {
	// contains filtered or unexported fields
}

type GenericWriter[T any] struct {
	// contains filtered or unexported fields
}

type Group map[string]Node

type Int32Reader interface {
	// Read 32 bits integer values into the buffer passed as argument.
	//
	// The method returns io.EOF when all values have been read.
	ReadInt32s(values []int32) (int, error)
}

type Int32Writer interface {
	// Write 32 bits signed integer values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteInt32s(values []int32) (int, error)
}

type Int64Reader interface {
	// Read 64 bits integer values into the buffer passed as argument.
	//
	// The method returns io.EOF when all values have been read.
	ReadInt64s(values []int64) (int, error)
}

type Int64Writer interface {
	// Write 64 bits signed integer values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteInt64s(values []int64) (int, error)
}

type Int96Reader interface {
	// Read 96 bits integer values into the buffer passed as argument.
	//
	// The method returns io.EOF when all values have been read.
	ReadInt96s(values []deprecated.Int96) (int, error)
}

type Int96Writer interface {
	// Write 96 bits signed integer values.
	//
	// The method returns the number of values written, and any error that
	// occurred while writing the values.
	WriteInt96s(values []deprecated.Int96) (int, error)
}

type Interval struct {
	Months       uint32
	Days         uint32
	Milliseconds uint32
}

type KeyRetriever interface {
	// FooterKey returns the AES key for the file footer.
	// keyMetadata is the optional bytes stored in FileCryptoMetaData.KeyMetadata
	// (may be nil).
	FooterKey(keyMetadata []byte) ([]byte, error)

	// ColumnKey returns the AES key for an encrypted column.
	// path is the column's path in the schema; keyMetadata is the optional bytes
	// stored in EncryptionWithColumnKey.KeyMetadata (may be nil).
	//
	// To signal that a particular column's key is intentionally unavailable
	// (e.g. the caller only holds keys for a subset of columns), return an
	// error that wraps ErrKeyNotFound:
	//
	//	return nil, fmt.Errorf("no key for %v: %w", path, parquet.ErrKeyNotFound)
	//
	// OpenFile treats ErrKeyNotFound as non-fatal and leaves that column
	// inaccessible; any other non-nil error is propagated as a hard failure.
	ColumnKey(path []string, keyMetadata []byte) ([]byte, error)
}

type Kind int8

type LeafColumn struct {
	Node               Node
	Path               []string
	ColumnIndex        int
	MaxRepetitionLevel int
	MaxDefinitionLevel int
}

type Node interface {
	// The id of this node in its parent node. Zero value is treated as id is not
	// set. ID only needs to be unique within its parent context.
	//
	// This is the same as parquet field_id
	ID() int

	// Returns a human-readable representation of the parquet node.
	String() string

	// For leaf nodes, returns the type of values of the parquet column.
	//
	// Calling this method on non-leaf nodes will panic.
	Type() Type

	// Returns whether the parquet column is optional.
	Optional() bool

	// Returns whether the parquet column is repeated.
	Repeated() bool

	// Returns whether the parquet column is required.
	Required() bool

	// Returns true if this a leaf node.
	Leaf() bool

	// Returns a mapping of the node's fields.
	//
	// As an optimization, the same slices may be returned by multiple calls to
	// this method, programs must treat the returned values as immutable.
	//
	// This method returns an empty mapping when called on leaf nodes.
	Fields() []Field

	// Returns the encoding used by the node.
	//
	// The method may return nil to indicate that no specific encoding was
	// configured on the node, in which case a default encoding might be used.
	Encoding() encoding.Encoding

	// Returns compression codec used by the node.
	//
	// The method may return nil to indicate that no specific compression codec
	// was configured on the node, in which case a default compression might be
	// used.
	Compression() compress.Codec

	// Returns the Go type that best represents the parquet node.
	//
	// For leaf nodes, this will be one of bool, int32, int64, deprecated.Int96,
	// float32, float64, string, []byte, or [N]byte.
	//
	// For groups, the method returns a struct type.
	//
	// If the method is called on a repeated node, the method returns a slice of
	// the underlying type.
	//
	// For optional nodes, the method returns a pointer of the underlying type.
	//
	// For nodes that were constructed from Go values (e.g. using SchemaOf), the
	// method returns the original Go type.
	GoType() reflect.Type
}

type OffsetIndex interface {
	// NumPages returns the number of pages in the offset index.
	NumPages() int

	// Offset returns the offset starting from the beginning of the file for the
	// page at the given index.
	Offset(int) int64

	// CompressedPageSize returns the size of the page at the given index
	// (in bytes).
	CompressedPageSize(int) int64

	// FirstRowIndex returns the the first row in the page at the given index.
	//
	// The returned row index is based on the row group that the page belongs
	// to, the first row has index zero.
	FirstRowIndex(int) int64
}

type Page interface {
	// Returns the type of values read from this page.
	//
	// The returned type can be used to encode the page data, in the case of
	// an indexed page (which has a dictionary), the type is configured to
	// encode the indexes stored in the page rather than the plain values.
	Type() Type

	// Returns the column index that this page belongs to.
	Column() int

	// If the page contains indexed values, calling this method returns the
	// dictionary in which the values are looked up. Otherwise, the method
	// returns nil.
	Dictionary() Dictionary

	// Returns the number of rows, values, and nulls in the page. The number of
	// rows may be less than the number of values in the page if the page is
	// part of a repeated column.
	NumRows() int64
	NumValues() int64
	NumNulls() int64

	// Returns the page's min and max values.
	//
	// The third value is a boolean indicating whether the page bounds were
	// available. Page bounds may not be known if the page contained no values
	// or only nulls, or if they were read from a parquet file which had neither
	// page statistics nor a page index.
	Bounds() (min, max Value, ok bool)

	// Returns the size of the page in bytes (uncompressed).
	Size() int64

	// Returns a reader exposing the values contained in the page.
	//
	// Depending on the underlying implementation, the returned reader may
	// support reading an array of typed Go values by implementing interfaces
	// like parquet.Int32Reader. Applications should use type assertions on
	// the returned reader to determine whether those optimizations are
	// available.
	//
	// In the data page format version 1, it wasn't specified whether pages
	// must start with a new row. Legacy writers have produced parquet files
	// where row values were overlapping between two consecutive pages.
	// As a result, the values read must not be assumed to start at the
	// beginning of a row, unless the program knows that it is only working
	// with parquet files that used the data page format version 2 (which is
	// the default behavior for parquet-go).
	Values() ValueReader

	// Returns a new page which is as slice of the receiver between row indexes
	// i and j.
	Slice(i, j int64) Page

	// Expose the lists of repetition and definition levels of the page.
	//
	// The returned slices may be empty when the page has no repetition or
	// definition levels.
	RepetitionLevels() []byte
	DefinitionLevels() []byte

	// Returns the in-memory buffer holding the page values.
	//
	// The intent is for the returned value to be used as input parameter when
	// calling the Encode method of the associated Type.
	//
	// The slices referenced by the encoding.Values may be the same across
	// multiple calls to this method, applications must treat the content as
	// immutable.
	Data() encoding.Values
}

type PageHeader interface {
	// Returns the number of values in the page (including nulls).
	NumValues() int64

	// Returns the page encoding.
	Encoding() format.Encoding

	// Returns the parquet format page type.
	PageType() format.PageType
}

type PageReader interface {
	// Reads and returns the next page from the sequence. When all pages have
	// been read, or if the sequence was closed, the method returns io.EOF.
	ReadPage() (Page, error)
}

type PageWriter interface {
	WritePage(Page) (int64, error)
}

type Pages interface {
	PageReader
	RowSeeker
	io.Closer
}

type ReadMode int

type ReaderConfig struct {
	Schema       *Schema
	SchemaConfig *SchemaConfig
}

type ReaderOption interface {
	ConfigureReader(*ReaderConfig)
}

type Row []Value

type RowBuffer[T any] struct {
	// contains filtered or unexported fields
}

type RowBuilder struct {
	// contains filtered or unexported fields
}

type RowGroup interface {
	// Returns the number of rows in the group.
	NumRows() int64

	// Returns the list of column chunks in this row group. The chunks are
	// ordered in the order of leaf columns from the row group's schema.
	//
	// If the underlying implementation is not read-only, the returned
	// parquet.ColumnChunk may implement other interfaces: for example,
	// parquet.ColumnBuffer if the chunk is backed by an in-memory buffer,
	// or typed writer interfaces like parquet.Int32Writer depending on the
	// underlying type of values that can be written to the chunk.
	//
	// As an optimization, the row group may return the same slice across
	// multiple calls to this method. Applications should treat the returned
	// slice as read-only.
	ColumnChunks() []ColumnChunk

	// Returns the schema of rows in the group.
	Schema() *Schema

	// Returns the list of sorting columns describing how rows are sorted in the
	// group.
	//
	// The method will return an empty slice if the rows are not sorted.
	SortingColumns() []SortingColumn

	// Returns a reader exposing the rows of the row group.
	//
	// As an optimization, the returned parquet.Rows object may implement
	// parquet.RowWriterTo, and test the RowWriter it receives for an
	// implementation of the parquet.RowGroupWriter interface.
	//
	// This optimization mechanism is leveraged by the parquet.CopyRows function
	// to skip the generic row-by-row copy algorithm and delegate the copy logic
	// to the parquet.Rows object.
	Rows() Rows
}

type RowGroupConfig struct {
	ColumnBufferCapacity int
	Schema               *Schema
	Sorting              SortingConfig
}

type RowGroupOption interface {
	ConfigureRowGroup(*RowGroupConfig)
}

type RowGroupReader interface {
	ReadRowGroup() (RowGroup, error)
}

type RowGroupWriter interface {
	WriteRowGroup(RowGroup) (int64, error)
}

type RowReadCloser interface {
	RowReader
	io.Closer
}

type RowReadSeekCloser interface {
	RowReader
	RowSeeker
	io.Closer
}

type RowReadSeeker interface {
	RowReader
	RowSeeker
}

type RowReader interface {
	// ReadRows reads rows from the reader, returning the number of rows read
	// into the buffer, and any error that occurred.
	//
	// When all rows have been read, the reader returns io.EOF to indicate the
	// end of the sequence. It is valid for the reader to return both a non-zero
	// number of rows and a non-nil error (including io.EOF).
	//
	// The buffer of rows passed as argument will be used to store values of
	// each row read from the reader. If the rows are not nil, the backing array
	// of the slices will be used as an optimization to avoid re-allocating new
	// arrays.
	//
	// The application is expected to handle the case where ReadRows returns
	// less rows than requested and no error, by looking at the first returned
	// value from ReadRows, which is the number of rows that were read.
	ReadRows([]Row) (int, error)
}

type RowReaderFrom interface {
	ReadRowsFrom(RowReader) (int64, error)
}

type RowReaderFunc func([]Row) (int, error)

type RowReaderWithSchema interface {
	RowReader
	Schema() *Schema
}

type RowSeeker interface {
	// Positions the stream on the given row index.
	//
	// Some implementations of the interface may only allow seeking forward.
	//
	// The method returns io.ErrClosedPipe if the stream had already been closed.
	SeekToRow(int64) error
}

type RowWriter interface {
	// Writes rows to the writer, returning the number of rows written and any
	// error that occurred.
	//
	// Because columnar operations operate on independent columns of values,
	// writes of rows may not be atomic operations, and could result in some
	// rows being partially written. The method returns the number of rows that
	// were successfully written, but if an error occurs, values of the row(s)
	// that failed to be written may have been partially committed to their
	// columns. For that reason, applications should consider a write error as
	// fatal and assume that they need to discard the state, they cannot retry
	// the write nor recover the underlying file.
	WriteRows([]Row) (int, error)
}

type RowWriterFunc func([]Row) (int, error)

type RowWriterTo interface {
	WriteRowsTo(RowWriter) (int64, error)
}

type RowWriterWithSchema interface {
	RowWriter
	Schema() *Schema
}

type Rows interface {
	RowReadSeekCloser
	Schema() *Schema
}

type Schema struct {
	// contains filtered or unexported fields
}