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import { flatbuffers } from 'flatbuffers';
/**
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum MetadataVersion {
/**
* 0.1.0
*/
V1 = 0,
/**
* 0.2.0
*/
V2 = 1,
/**
* 0.3.0 -> 0.7.1
*/
V3 = 2,
/**
* >= 0.8.0
*/
V4 = 3
}
}
/**
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum UnionMode {
Sparse = 0,
Dense = 1
}
}
/**
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum Precision {
HALF = 0,
SINGLE = 1,
DOUBLE = 2
}
}
/**
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum DateUnit {
DAY = 0,
MILLISECOND = 1
}
}
/**
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum TimeUnit {
SECOND = 0,
MILLISECOND = 1,
MICROSECOND = 2,
NANOSECOND = 3
}
}
/**
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum IntervalUnit {
YEAR_MONTH = 0,
DAY_TIME = 1
}
}
/**
* ----------------------------------------------------------------------
* Top-level Type value, enabling extensible type-specific metadata. We can
* add new logical types to Type without breaking backwards compatibility
*
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum Type {
NONE = 0,
Null = 1,
Int = 2,
FloatingPoint = 3,
Binary = 4,
Utf8 = 5,
Bool = 6,
Decimal = 7,
Date = 8,
Time = 9,
Timestamp = 10,
Interval = 11,
List = 12,
Struct_ = 13,
Union = 14,
FixedSizeBinary = 15,
FixedSizeList = 16,
Map = 17,
Duration = 18,
LargeBinary = 19,
LargeUtf8 = 20,
LargeList = 21
}
}
/**
* ----------------------------------------------------------------------
* Endianness of the platform producing the data
*
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum Endianness {
Little = 0,
Big = 1
}
}
/**
* These are stored in the flatbuffer in the Type union below
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Null {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Null
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Null;
/**
* @param flatbuffers.ByteBuffer bb
* @param Null= obj
* @returns Null
*/
static getRootAsNull(bb: flatbuffers.ByteBuffer, obj?: Null): Null;
/**
* @param flatbuffers.Builder builder
*/
static startNull(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endNull(builder: flatbuffers.Builder): flatbuffers.Offset;
static createNull(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* A Struct_ in the flatbuffer metadata is the same as an Arrow Struct
* (according to the physical memory layout). We used Struct_ here as
* Struct is a reserved word in Flatbuffers
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Struct_ {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Struct_
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Struct_;
/**
* @param flatbuffers.ByteBuffer bb
* @param Struct_= obj
* @returns Struct_
*/
static getRootAsStruct_(bb: flatbuffers.ByteBuffer, obj?: Struct_): Struct_;
/**
* @param flatbuffers.Builder builder
*/
static startStruct_(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endStruct_(builder: flatbuffers.Builder): flatbuffers.Offset;
static createStruct_(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class List {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns List
*/
__init(i: number, bb: flatbuffers.ByteBuffer): List;
/**
* @param flatbuffers.ByteBuffer bb
* @param List= obj
* @returns List
*/
static getRootAsList(bb: flatbuffers.ByteBuffer, obj?: List): List;
/**
* @param flatbuffers.Builder builder
*/
static startList(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endList(builder: flatbuffers.Builder): flatbuffers.Offset;
static createList(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* Same as List, but with 64-bit offsets, allowing to represent
* extremely large data values.
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class LargeList {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns LargeList
*/
__init(i: number, bb: flatbuffers.ByteBuffer): LargeList;
/**
* @param flatbuffers.ByteBuffer bb
* @param LargeList= obj
* @returns LargeList
*/
static getRootAsLargeList(bb: flatbuffers.ByteBuffer, obj?: LargeList): LargeList;
/**
* @param flatbuffers.Builder builder
*/
static startLargeList(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endLargeList(builder: flatbuffers.Builder): flatbuffers.Offset;
static createLargeList(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class FixedSizeList {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns FixedSizeList
*/
__init(i: number, bb: flatbuffers.ByteBuffer): FixedSizeList;
/**
* @param flatbuffers.ByteBuffer bb
* @param FixedSizeList= obj
* @returns FixedSizeList
*/
static getRootAsFixedSizeList(bb: flatbuffers.ByteBuffer, obj?: FixedSizeList): FixedSizeList;
/**
* Number of list items per value
*
* @returns number
*/
listSize(): number;
/**
* @param flatbuffers.Builder builder
*/
static startFixedSizeList(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param number listSize
*/
static addListSize(builder: flatbuffers.Builder, listSize: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endFixedSizeList(builder: flatbuffers.Builder): flatbuffers.Offset;
static createFixedSizeList(builder: flatbuffers.Builder, listSize: number): flatbuffers.Offset;
}
}
/**
* A Map is a logical nested type that is represented as
*
* List<entry: Struct<key: K, value: V>>
*
* In this layout, the keys and values are each respectively contiguous. We do
* not constrain the key and value types, so the application is responsible
* for ensuring that the keys are hashable and unique. Whether the keys are sorted
* may be set in the metadata for this field
*
* In a Field with Map type, the Field has a child Struct field, which then
* has two children: key type and the second the value type. The names of the
* child fields may be respectively "entry", "key", and "value", but this is
* not enforced
*
* Map
* - child[0] entry: Struct
* - child[0] key: K
* - child[1] value: V
*
* Neither the "entry" field nor the "key" field may be nullable.
*
* The metadata is structured so that Arrow systems without special handling
* for Map can make Map an alias for List. The "layout" attribute for the Map
* field must have the same contents as a List.
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Map {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Map
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Map;
/**
* @param flatbuffers.ByteBuffer bb
* @param Map= obj
* @returns Map
*/
static getRootAsMap(bb: flatbuffers.ByteBuffer, obj?: Map): Map;
/**
* Set to true if the keys within each value are sorted
*
* @returns boolean
*/
keysSorted(): boolean;
/**
* @param flatbuffers.Builder builder
*/
static startMap(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param boolean keysSorted
*/
static addKeysSorted(builder: flatbuffers.Builder, keysSorted: boolean): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endMap(builder: flatbuffers.Builder): flatbuffers.Offset;
static createMap(builder: flatbuffers.Builder, keysSorted: boolean): flatbuffers.Offset;
}
}
/**
* A union is a complex type with children in Field
* By default ids in the type vector refer to the offsets in the children
* optionally typeIds provides an indirection between the child offset and the type id
* for each child typeIds[offset] is the id used in the type vector
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Union {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Union
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Union;
/**
* @param flatbuffers.ByteBuffer bb
* @param Union= obj
* @returns Union
*/
static getRootAsUnion(bb: flatbuffers.ByteBuffer, obj?: Union): Union;
/**
* @returns org.apache.arrow.flatbuf.UnionMode
*/
mode(): org.apache.arrow.flatbuf.UnionMode;
/**
* @param number index
* @returns number
*/
typeIds(index: number): number | null;
/**
* @returns number
*/
typeIdsLength(): number;
/**
* @returns Int32Array
*/
typeIdsArray(): Int32Array | null;
/**
* @param flatbuffers.Builder builder
*/
static startUnion(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.UnionMode mode
*/
static addMode(builder: flatbuffers.Builder, mode: org.apache.arrow.flatbuf.UnionMode): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset typeIdsOffset
*/
static addTypeIds(builder: flatbuffers.Builder, typeIdsOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param Array.<number> data
* @returns flatbuffers.Offset
*/
static createTypeIdsVector(builder: flatbuffers.Builder, data: number[] | Int32Array): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startTypeIdsVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endUnion(builder: flatbuffers.Builder): flatbuffers.Offset;
static createUnion(builder: flatbuffers.Builder, mode: org.apache.arrow.flatbuf.UnionMode, typeIdsOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Int {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Int
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Int;
/**
* @param flatbuffers.ByteBuffer bb
* @param Int= obj
* @returns Int
*/
static getRootAsInt(bb: flatbuffers.ByteBuffer, obj?: Int): Int;
/**
* @returns number
*/
bitWidth(): number;
/**
* @returns boolean
*/
isSigned(): boolean;
/**
* @param flatbuffers.Builder builder
*/
static startInt(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param number bitWidth
*/
static addBitWidth(builder: flatbuffers.Builder, bitWidth: number): void;
/**
* @param flatbuffers.Builder builder
* @param boolean isSigned
*/
static addIsSigned(builder: flatbuffers.Builder, isSigned: boolean): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endInt(builder: flatbuffers.Builder): flatbuffers.Offset;
static createInt(builder: flatbuffers.Builder, bitWidth: number, isSigned: boolean): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class FloatingPoint {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns FloatingPoint
*/
__init(i: number, bb: flatbuffers.ByteBuffer): FloatingPoint;
/**
* @param flatbuffers.ByteBuffer bb
* @param FloatingPoint= obj
* @returns FloatingPoint
*/
static getRootAsFloatingPoint(bb: flatbuffers.ByteBuffer, obj?: FloatingPoint): FloatingPoint;
/**
* @returns org.apache.arrow.flatbuf.Precision
*/
precision(): org.apache.arrow.flatbuf.Precision;
/**
* @param flatbuffers.Builder builder
*/
static startFloatingPoint(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.Precision precision
*/
static addPrecision(builder: flatbuffers.Builder, precision: org.apache.arrow.flatbuf.Precision): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endFloatingPoint(builder: flatbuffers.Builder): flatbuffers.Offset;
static createFloatingPoint(builder: flatbuffers.Builder, precision: org.apache.arrow.flatbuf.Precision): flatbuffers.Offset;
}
}
/**
* Unicode with UTF-8 encoding
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Utf8 {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Utf8
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Utf8;
/**
* @param flatbuffers.ByteBuffer bb
* @param Utf8= obj
* @returns Utf8
*/
static getRootAsUtf8(bb: flatbuffers.ByteBuffer, obj?: Utf8): Utf8;
/**
* @param flatbuffers.Builder builder
*/
static startUtf8(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endUtf8(builder: flatbuffers.Builder): flatbuffers.Offset;
static createUtf8(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* Opaque binary data
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Binary {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Binary
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Binary;
/**
* @param flatbuffers.ByteBuffer bb
* @param Binary= obj
* @returns Binary
*/
static getRootAsBinary(bb: flatbuffers.ByteBuffer, obj?: Binary): Binary;
/**
* @param flatbuffers.Builder builder
*/
static startBinary(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endBinary(builder: flatbuffers.Builder): flatbuffers.Offset;
static createBinary(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* Same as Utf8, but with 64-bit offsets, allowing to represent
* extremely large data values.
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class LargeUtf8 {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns LargeUtf8
*/
__init(i: number, bb: flatbuffers.ByteBuffer): LargeUtf8;
/**
* @param flatbuffers.ByteBuffer bb
* @param LargeUtf8= obj
* @returns LargeUtf8
*/
static getRootAsLargeUtf8(bb: flatbuffers.ByteBuffer, obj?: LargeUtf8): LargeUtf8;
/**
* @param flatbuffers.Builder builder
*/
static startLargeUtf8(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endLargeUtf8(builder: flatbuffers.Builder): flatbuffers.Offset;
static createLargeUtf8(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* Same as Binary, but with 64-bit offsets, allowing to represent
* extremely large data values.
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class LargeBinary {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns LargeBinary
*/
__init(i: number, bb: flatbuffers.ByteBuffer): LargeBinary;
/**
* @param flatbuffers.ByteBuffer bb
* @param LargeBinary= obj
* @returns LargeBinary
*/
static getRootAsLargeBinary(bb: flatbuffers.ByteBuffer, obj?: LargeBinary): LargeBinary;
/**
* @param flatbuffers.Builder builder
*/
static startLargeBinary(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endLargeBinary(builder: flatbuffers.Builder): flatbuffers.Offset;
static createLargeBinary(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class FixedSizeBinary {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns FixedSizeBinary
*/
__init(i: number, bb: flatbuffers.ByteBuffer): FixedSizeBinary;
/**
* @param flatbuffers.ByteBuffer bb
* @param FixedSizeBinary= obj
* @returns FixedSizeBinary
*/
static getRootAsFixedSizeBinary(bb: flatbuffers.ByteBuffer, obj?: FixedSizeBinary): FixedSizeBinary;
/**
* Number of bytes per value
*
* @returns number
*/
byteWidth(): number;
/**
* @param flatbuffers.Builder builder
*/
static startFixedSizeBinary(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param number byteWidth
*/
static addByteWidth(builder: flatbuffers.Builder, byteWidth: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endFixedSizeBinary(builder: flatbuffers.Builder): flatbuffers.Offset;
static createFixedSizeBinary(builder: flatbuffers.Builder, byteWidth: number): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Bool {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Bool
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Bool;
/**
* @param flatbuffers.ByteBuffer bb
* @param Bool= obj
* @returns Bool
*/
static getRootAsBool(bb: flatbuffers.ByteBuffer, obj?: Bool): Bool;
/**
* @param flatbuffers.Builder builder
*/
static startBool(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endBool(builder: flatbuffers.Builder): flatbuffers.Offset;
static createBool(builder: flatbuffers.Builder): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Decimal {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Decimal
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Decimal;
/**
* @param flatbuffers.ByteBuffer bb
* @param Decimal= obj
* @returns Decimal
*/
static getRootAsDecimal(bb: flatbuffers.ByteBuffer, obj?: Decimal): Decimal;
/**
* Total number of decimal digits
*
* @returns number
*/
precision(): number;
/**
* Number of digits after the decimal point "."
*
* @returns number
*/
scale(): number;
/**
* @param flatbuffers.Builder builder
*/
static startDecimal(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param number precision
*/
static addPrecision(builder: flatbuffers.Builder, precision: number): void;
/**
* @param flatbuffers.Builder builder
* @param number scale
*/
static addScale(builder: flatbuffers.Builder, scale: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endDecimal(builder: flatbuffers.Builder): flatbuffers.Offset;
static createDecimal(builder: flatbuffers.Builder, precision: number, scale: number): flatbuffers.Offset;
}
}
/**
* Date is either a 32-bit or 64-bit type representing elapsed time since UNIX
* epoch (1970-01-01), stored in either of two units:
*
* * Milliseconds (64 bits) indicating UNIX time elapsed since the epoch (no
* leap seconds), where the values are evenly divisible by 86400000
* * Days (32 bits) since the UNIX epoch
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Date {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Date
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Date;
/**
* @param flatbuffers.ByteBuffer bb
* @param Date= obj
* @returns Date
*/
static getRootAsDate(bb: flatbuffers.ByteBuffer, obj?: Date): Date;
/**
* @returns org.apache.arrow.flatbuf.DateUnit
*/
unit(): org.apache.arrow.flatbuf.DateUnit;
/**
* @param flatbuffers.Builder builder
*/
static startDate(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.DateUnit unit
*/
static addUnit(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.DateUnit): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endDate(builder: flatbuffers.Builder): flatbuffers.Offset;
static createDate(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.DateUnit): flatbuffers.Offset;
}
}
/**
* Time type. The physical storage type depends on the unit
* - SECOND and MILLISECOND: 32 bits
* - MICROSECOND and NANOSECOND: 64 bits
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Time {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Time
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Time;
/**
* @param flatbuffers.ByteBuffer bb
* @param Time= obj
* @returns Time
*/
static getRootAsTime(bb: flatbuffers.ByteBuffer, obj?: Time): Time;
/**
* @returns org.apache.arrow.flatbuf.TimeUnit
*/
unit(): org.apache.arrow.flatbuf.TimeUnit;
/**
* @returns number
*/
bitWidth(): number;
/**
* @param flatbuffers.Builder builder
*/
static startTime(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.TimeUnit unit
*/
static addUnit(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.TimeUnit): void;
/**
* @param flatbuffers.Builder builder
* @param number bitWidth
*/
static addBitWidth(builder: flatbuffers.Builder, bitWidth: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endTime(builder: flatbuffers.Builder): flatbuffers.Offset;
static createTime(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.TimeUnit, bitWidth: number): flatbuffers.Offset;
}
}
/**
* Time elapsed from the Unix epoch, 00:00:00.000 on 1 January 1970, excluding
* leap seconds, as a 64-bit integer. Note that UNIX time does not include
* leap seconds.
*
* The Timestamp metadata supports both "time zone naive" and "time zone
* aware" timestamps. Read about the timezone attribute for more detail
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Timestamp {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Timestamp
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Timestamp;
/**
* @param flatbuffers.ByteBuffer bb
* @param Timestamp= obj
* @returns Timestamp
*/
static getRootAsTimestamp(bb: flatbuffers.ByteBuffer, obj?: Timestamp): Timestamp;
/**
* @returns org.apache.arrow.flatbuf.TimeUnit
*/
unit(): org.apache.arrow.flatbuf.TimeUnit;
/**
* The time zone is a string indicating the name of a time zone, one of:
*
* * As used in the Olson time zone database (the "tz database" or
* "tzdata"), such as "America/New_York"
* * An absolute time zone offset of the form +XX:XX or -XX:XX, such as +07:30
*
* Whether a timezone string is present indicates different semantics about
* the data:
*
* * If the time zone is null or equal to an empty string, the data is "time
* zone naive" and shall be displayed *as is* to the user, not localized
* to the locale of the user. This data can be though of as UTC but
* without having "UTC" as the time zone, it is not considered to be
* localized to any time zone
*
* * If the time zone is set to a valid value, values can be displayed as
* "localized" to that time zone, even though the underlying 64-bit
* integers are identical to the same data stored in UTC. Converting
* between time zones is a metadata-only operation and does not change the
* underlying values
*
* @param flatbuffers.Encoding= optionalEncoding
* @returns string|Uint8Array|null
*/
timezone(): string | null;
timezone(optionalEncoding: flatbuffers.Encoding): string | Uint8Array | null;
/**
* @param flatbuffers.Builder builder
*/
static startTimestamp(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.TimeUnit unit
*/
static addUnit(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.TimeUnit): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset timezoneOffset
*/
static addTimezone(builder: flatbuffers.Builder, timezoneOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endTimestamp(builder: flatbuffers.Builder): flatbuffers.Offset;
static createTimestamp(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.TimeUnit, timezoneOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Interval {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Interval
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Interval;
/**
* @param flatbuffers.ByteBuffer bb
* @param Interval= obj
* @returns Interval
*/
static getRootAsInterval(bb: flatbuffers.ByteBuffer, obj?: Interval): Interval;
/**
* @returns org.apache.arrow.flatbuf.IntervalUnit
*/
unit(): org.apache.arrow.flatbuf.IntervalUnit;
/**
* @param flatbuffers.Builder builder
*/
static startInterval(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.IntervalUnit unit
*/
static addUnit(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.IntervalUnit): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endInterval(builder: flatbuffers.Builder): flatbuffers.Offset;
static createInterval(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.IntervalUnit): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Duration {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Duration
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Duration;
/**
* @param flatbuffers.ByteBuffer bb
* @param Duration= obj
* @returns Duration
*/
static getRootAsDuration(bb: flatbuffers.ByteBuffer, obj?: Duration): Duration;
/**
* @returns org.apache.arrow.flatbuf.TimeUnit
*/
unit(): org.apache.arrow.flatbuf.TimeUnit;
/**
* @param flatbuffers.Builder builder
*/
static startDuration(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.TimeUnit unit
*/
static addUnit(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.TimeUnit): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endDuration(builder: flatbuffers.Builder): flatbuffers.Offset;
static createDuration(builder: flatbuffers.Builder, unit: org.apache.arrow.flatbuf.TimeUnit): flatbuffers.Offset;
}
}
/**
* ----------------------------------------------------------------------
* user defined key value pairs to add custom metadata to arrow
* key namespacing is the responsibility of the user
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class KeyValue {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns KeyValue
*/
__init(i: number, bb: flatbuffers.ByteBuffer): KeyValue;
/**
* @param flatbuffers.ByteBuffer bb
* @param KeyValue= obj
* @returns KeyValue
*/
static getRootAsKeyValue(bb: flatbuffers.ByteBuffer, obj?: KeyValue): KeyValue;
/**
* @param flatbuffers.Encoding= optionalEncoding
* @returns string|Uint8Array|null
*/
key(): string | null;
key(optionalEncoding: flatbuffers.Encoding): string | Uint8Array | null;
/**
* @param flatbuffers.Encoding= optionalEncoding
* @returns string|Uint8Array|null
*/
value(): string | null;
value(optionalEncoding: flatbuffers.Encoding): string | Uint8Array | null;
/**
* @param flatbuffers.Builder builder
*/
static startKeyValue(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset keyOffset
*/
static addKey(builder: flatbuffers.Builder, keyOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset valueOffset
*/
static addValue(builder: flatbuffers.Builder, valueOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endKeyValue(builder: flatbuffers.Builder): flatbuffers.Offset;
static createKeyValue(builder: flatbuffers.Builder, keyOffset: flatbuffers.Offset, valueOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
/**
* ----------------------------------------------------------------------
* Dictionary encoding metadata
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class DictionaryEncoding {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns DictionaryEncoding
*/
__init(i: number, bb: flatbuffers.ByteBuffer): DictionaryEncoding;
/**
* @param flatbuffers.ByteBuffer bb
* @param DictionaryEncoding= obj
* @returns DictionaryEncoding
*/
static getRootAsDictionaryEncoding(bb: flatbuffers.ByteBuffer, obj?: DictionaryEncoding): DictionaryEncoding;
/**
* The known dictionary id in the application where this data is used. In
* the file or streaming formats, the dictionary ids are found in the
* DictionaryBatch messages
*
* @returns flatbuffers.Long
*/
id(): flatbuffers.Long;
/**
* The dictionary indices are constrained to be positive integers. If this
* field is null, the indices must be signed int32
*
* @param org.apache.arrow.flatbuf.Int= obj
* @returns org.apache.arrow.flatbuf.Int|null
*/
indexType(obj?: org.apache.arrow.flatbuf.Int): org.apache.arrow.flatbuf.Int | null;
/**
* By default, dictionaries are not ordered, or the order does not have
* semantic meaning. In some statistical, applications, dictionary-encoding
* is used to represent ordered categorical data, and we provide a way to
* preserve that metadata here
*
* @returns boolean
*/
isOrdered(): boolean;
/**
* @param flatbuffers.Builder builder
*/
static startDictionaryEncoding(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Long id
*/
static addId(builder: flatbuffers.Builder, id: flatbuffers.Long): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset indexTypeOffset
*/
static addIndexType(builder: flatbuffers.Builder, indexTypeOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param boolean isOrdered
*/
static addIsOrdered(builder: flatbuffers.Builder, isOrdered: boolean): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endDictionaryEncoding(builder: flatbuffers.Builder): flatbuffers.Offset;
static createDictionaryEncoding(builder: flatbuffers.Builder, id: flatbuffers.Long, indexTypeOffset: flatbuffers.Offset, isOrdered: boolean): flatbuffers.Offset;
}
}
/**
* ----------------------------------------------------------------------
* A field represents a named column in a record / row batch or child of a
* nested type.
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Field {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Field
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Field;
/**
* @param flatbuffers.ByteBuffer bb
* @param Field= obj
* @returns Field
*/
static getRootAsField(bb: flatbuffers.ByteBuffer, obj?: Field): Field;
/**
* Name is not required, in i.e. a List
*
* @param flatbuffers.Encoding= optionalEncoding
* @returns string|Uint8Array|null
*/
name(): string | null;
name(optionalEncoding: flatbuffers.Encoding): string | Uint8Array | null;
/**
* Whether or not this field can contain nulls. Should be true in general.
*
* @returns boolean
*/
nullable(): boolean;
/**
* @returns org.apache.arrow.flatbuf.Type
*/
typeType(): org.apache.arrow.flatbuf.Type;
/**
* This is the type of the decoded value if the field is dictionary encoded.
*
* @param flatbuffers.Table obj
* @returns ?flatbuffers.Table
*/
type<T extends flatbuffers.Table>(obj: T): T | null;
/**
* Present only if the field is dictionary encoded.
*
* @param org.apache.arrow.flatbuf.DictionaryEncoding= obj
* @returns org.apache.arrow.flatbuf.DictionaryEncoding|null
*/
dictionary(obj?: org.apache.arrow.flatbuf.DictionaryEncoding): org.apache.arrow.flatbuf.DictionaryEncoding | null;
/**
* children apply only to nested data types like Struct, List and Union. For
* primitive types children will have length 0.
*
* @param number index
* @param org.apache.arrow.flatbuf.Field= obj
* @returns org.apache.arrow.flatbuf.Field
*/
children(index: number, obj?: org.apache.arrow.flatbuf.Field): org.apache.arrow.flatbuf.Field | null;
/**
* @returns number
*/
childrenLength(): number;
/**
* User-defined metadata
*
* @param number index
* @param org.apache.arrow.flatbuf.KeyValue= obj
* @returns org.apache.arrow.flatbuf.KeyValue
*/
customMetadata(index: number, obj?: org.apache.arrow.flatbuf.KeyValue): org.apache.arrow.flatbuf.KeyValue | null;
/**
* @returns number
*/
customMetadataLength(): number;
/**
* @param flatbuffers.Builder builder
*/
static startField(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset nameOffset
*/
static addName(builder: flatbuffers.Builder, nameOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param boolean nullable
*/
static addNullable(builder: flatbuffers.Builder, nullable: boolean): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.Type typeType
*/
static addTypeType(builder: flatbuffers.Builder, typeType: org.apache.arrow.flatbuf.Type): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset typeOffset
*/
static addType(builder: flatbuffers.Builder, typeOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset dictionaryOffset
*/
static addDictionary(builder: flatbuffers.Builder, dictionaryOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset childrenOffset
*/
static addChildren(builder: flatbuffers.Builder, childrenOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param Array.<flatbuffers.Offset> data
* @returns flatbuffers.Offset
*/
static createChildrenVector(builder: flatbuffers.Builder, data: flatbuffers.Offset[]): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startChildrenVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset customMetadataOffset
*/
static addCustomMetadata(builder: flatbuffers.Builder, customMetadataOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param Array.<flatbuffers.Offset> data
* @returns flatbuffers.Offset
*/
static createCustomMetadataVector(builder: flatbuffers.Builder, data: flatbuffers.Offset[]): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startCustomMetadataVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endField(builder: flatbuffers.Builder): flatbuffers.Offset;
static createField(builder: flatbuffers.Builder, nameOffset: flatbuffers.Offset, nullable: boolean, typeType: org.apache.arrow.flatbuf.Type, typeOffset: flatbuffers.Offset, dictionaryOffset: flatbuffers.Offset, childrenOffset: flatbuffers.Offset, customMetadataOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
/**
* ----------------------------------------------------------------------
* A Buffer represents a single contiguous memory segment
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Buffer {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Buffer
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Buffer;
/**
* The relative offset into the shared memory page where the bytes for this
* buffer starts
*
* @returns flatbuffers.Long
*/
offset(): flatbuffers.Long;
/**
* The absolute length (in bytes) of the memory buffer. The memory is found
* from offset (inclusive) to offset + length (non-inclusive).
*
* @returns flatbuffers.Long
*/
length(): flatbuffers.Long;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Long offset
* @param flatbuffers.Long length
* @returns flatbuffers.Offset
*/
static createBuffer(builder: flatbuffers.Builder, offset: flatbuffers.Long, length: flatbuffers.Long): flatbuffers.Offset;
}
}
/**
* ----------------------------------------------------------------------
* A Schema describes the columns in a row batch
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Schema {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Schema
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Schema;
/**
* @param flatbuffers.ByteBuffer bb
* @param Schema= obj
* @returns Schema
*/
static getRootAsSchema(bb: flatbuffers.ByteBuffer, obj?: Schema): Schema;
/**
* endianness of the buffer
* it is Little Endian by default
* if endianness doesn't match the underlying system then the vectors need to be converted
*
* @returns org.apache.arrow.flatbuf.Endianness
*/
endianness(): org.apache.arrow.flatbuf.Endianness;
/**
* @param number index
* @param org.apache.arrow.flatbuf.Field= obj
* @returns org.apache.arrow.flatbuf.Field
*/
fields(index: number, obj?: org.apache.arrow.flatbuf.Field): org.apache.arrow.flatbuf.Field | null;
/**
* @returns number
*/
fieldsLength(): number;
/**
* @param number index
* @param org.apache.arrow.flatbuf.KeyValue= obj
* @returns org.apache.arrow.flatbuf.KeyValue
*/
customMetadata(index: number, obj?: org.apache.arrow.flatbuf.KeyValue): org.apache.arrow.flatbuf.KeyValue | null;
/**
* @returns number
*/
customMetadataLength(): number;
/**
* @param flatbuffers.Builder builder
*/
static startSchema(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.Endianness endianness
*/
static addEndianness(builder: flatbuffers.Builder, endianness: org.apache.arrow.flatbuf.Endianness): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset fieldsOffset
*/
static addFields(builder: flatbuffers.Builder, fieldsOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param Array.<flatbuffers.Offset> data
* @returns flatbuffers.Offset
*/
static createFieldsVector(builder: flatbuffers.Builder, data: flatbuffers.Offset[]): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startFieldsVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset customMetadataOffset
*/
static addCustomMetadata(builder: flatbuffers.Builder, customMetadataOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param Array.<flatbuffers.Offset> data
* @returns flatbuffers.Offset
*/
static createCustomMetadataVector(builder: flatbuffers.Builder, data: flatbuffers.Offset[]): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startCustomMetadataVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endSchema(builder: flatbuffers.Builder): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset offset
*/
static finishSchemaBuffer(builder: flatbuffers.Builder, offset: flatbuffers.Offset): void;
static createSchema(builder: flatbuffers.Builder, endianness: org.apache.arrow.flatbuf.Endianness, fieldsOffset: flatbuffers.Offset, customMetadataOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
|