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import { flatbuffers } from 'flatbuffers';
import * as NS7624605610262437867 from './Schema';
export declare namespace org.apache.arrow.flatbuf {
export import Schema = NS7624605610262437867.org.apache.arrow.flatbuf.Schema;
}
/**
* ----------------------------------------------------------------------
* The root Message type
* This union enables us to easily send different message types without
* redundant storage, and in the future we can easily add new message types.
*
* Arrow implementations do not need to implement all of the message types,
* which may include experimental metadata types. For maximum compatibility,
* it is best to send data using RecordBatch
*
* @enum {number}
*/
export declare namespace org.apache.arrow.flatbuf {
enum MessageHeader {
NONE = 0,
Schema = 1,
DictionaryBatch = 2,
RecordBatch = 3,
Tensor = 4,
SparseTensor = 5
}
}
/**
* ----------------------------------------------------------------------
* Data structures for describing a table row batch (a collection of
* equal-length Arrow arrays)
* Metadata about a field at some level of a nested type tree (but not
* its children).
*
* For example, a List<Int16> with values [[1, 2, 3], null, [4], [5, 6], null]
* would have {length: 5, null_count: 2} for its List node, and {length: 6,
* null_count: 0} for its Int16 node, as separate FieldNode structs
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class FieldNode {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns FieldNode
*/
__init(i: number, bb: flatbuffers.ByteBuffer): FieldNode;
/**
* The number of value slots in the Arrow array at this level of a nested
* tree
*
* @returns flatbuffers.Long
*/
length(): flatbuffers.Long;
/**
* The number of observed nulls. Fields with null_count == 0 may choose not
* to write their physical validity bitmap out as a materialized buffer,
* instead setting the length of the bitmap buffer to 0.
*
* @returns flatbuffers.Long
*/
nullCount(): flatbuffers.Long;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Long length
* @param flatbuffers.Long null_count
* @returns flatbuffers.Offset
*/
static createFieldNode(builder: flatbuffers.Builder, length: flatbuffers.Long, null_count: flatbuffers.Long): flatbuffers.Offset;
}
}
/**
* A data header describing the shared memory layout of a "record" or "row"
* batch. Some systems call this a "row batch" internally and others a "record
* batch".
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class RecordBatch {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns RecordBatch
*/
__init(i: number, bb: flatbuffers.ByteBuffer): RecordBatch;
/**
* @param flatbuffers.ByteBuffer bb
* @param RecordBatch= obj
* @returns RecordBatch
*/
static getRootAsRecordBatch(bb: flatbuffers.ByteBuffer, obj?: RecordBatch): RecordBatch;
/**
* number of records / rows. The arrays in the batch should all have this
* length
*
* @returns flatbuffers.Long
*/
length(): flatbuffers.Long;
/**
* Nodes correspond to the pre-ordered flattened logical schema
*
* @param number index
* @param org.apache.arrow.flatbuf.FieldNode= obj
* @returns org.apache.arrow.flatbuf.FieldNode
*/
nodes(index: number, obj?: org.apache.arrow.flatbuf.FieldNode): org.apache.arrow.flatbuf.FieldNode | null;
/**
* @returns number
*/
nodesLength(): number;
/**
* Buffers correspond to the pre-ordered flattened buffer tree
*
* The number of buffers appended to this list depends on the schema. For
* example, most primitive arrays will have 2 buffers, 1 for the validity
* bitmap and 1 for the values. For struct arrays, there will only be a
* single buffer for the validity (nulls) bitmap
*
* @param number index
* @param org.apache.arrow.flatbuf.Buffer= obj
* @returns org.apache.arrow.flatbuf.Buffer
*/
buffers(index: number, obj?: NS7624605610262437867.org.apache.arrow.flatbuf.Buffer): NS7624605610262437867.org.apache.arrow.flatbuf.Buffer | null;
/**
* @returns number
*/
buffersLength(): number;
/**
* @param flatbuffers.Builder builder
*/
static startRecordBatch(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Long length
*/
static addLength(builder: flatbuffers.Builder, length: flatbuffers.Long): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset nodesOffset
*/
static addNodes(builder: flatbuffers.Builder, nodesOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startNodesVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset buffersOffset
*/
static addBuffers(builder: flatbuffers.Builder, buffersOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param number numElems
*/
static startBuffersVector(builder: flatbuffers.Builder, numElems: number): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endRecordBatch(builder: flatbuffers.Builder): flatbuffers.Offset;
static createRecordBatch(builder: flatbuffers.Builder, length: flatbuffers.Long, nodesOffset: flatbuffers.Offset, buffersOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
/**
* For sending dictionary encoding information. Any Field can be
* dictionary-encoded, but in this case none of its children may be
* dictionary-encoded.
* There is one vector / column per dictionary, but that vector / column
* may be spread across multiple dictionary batches by using the isDelta
* flag
*
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class DictionaryBatch {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns DictionaryBatch
*/
__init(i: number, bb: flatbuffers.ByteBuffer): DictionaryBatch;
/**
* @param flatbuffers.ByteBuffer bb
* @param DictionaryBatch= obj
* @returns DictionaryBatch
*/
static getRootAsDictionaryBatch(bb: flatbuffers.ByteBuffer, obj?: DictionaryBatch): DictionaryBatch;
/**
* @returns flatbuffers.Long
*/
id(): flatbuffers.Long;
/**
* @param org.apache.arrow.flatbuf.RecordBatch= obj
* @returns org.apache.arrow.flatbuf.RecordBatch|null
*/
data(obj?: org.apache.arrow.flatbuf.RecordBatch): org.apache.arrow.flatbuf.RecordBatch | null;
/**
* If isDelta is true the values in the dictionary are to be appended to a
* dictionary with the indicated id
*
* @returns boolean
*/
isDelta(): boolean;
/**
* @param flatbuffers.Builder builder
*/
static startDictionaryBatch(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 dataOffset
*/
static addData(builder: flatbuffers.Builder, dataOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param boolean isDelta
*/
static addIsDelta(builder: flatbuffers.Builder, isDelta: boolean): void;
/**
* @param flatbuffers.Builder builder
* @returns flatbuffers.Offset
*/
static endDictionaryBatch(builder: flatbuffers.Builder): flatbuffers.Offset;
static createDictionaryBatch(builder: flatbuffers.Builder, id: flatbuffers.Long, dataOffset: flatbuffers.Offset, isDelta: boolean): flatbuffers.Offset;
}
}
/**
* @constructor
*/
export declare namespace org.apache.arrow.flatbuf {
class Message {
bb: flatbuffers.ByteBuffer | null;
bb_pos: number;
/**
* @param number i
* @param flatbuffers.ByteBuffer bb
* @returns Message
*/
__init(i: number, bb: flatbuffers.ByteBuffer): Message;
/**
* @param flatbuffers.ByteBuffer bb
* @param Message= obj
* @returns Message
*/
static getRootAsMessage(bb: flatbuffers.ByteBuffer, obj?: Message): Message;
/**
* @returns org.apache.arrow.flatbuf.MetadataVersion
*/
version(): NS7624605610262437867.org.apache.arrow.flatbuf.MetadataVersion;
/**
* @returns org.apache.arrow.flatbuf.MessageHeader
*/
headerType(): org.apache.arrow.flatbuf.MessageHeader;
/**
* @param flatbuffers.Table obj
* @returns ?flatbuffers.Table
*/
header<T extends flatbuffers.Table>(obj: T): T | null;
/**
* @returns flatbuffers.Long
*/
bodyLength(): flatbuffers.Long;
/**
* @param number index
* @param org.apache.arrow.flatbuf.KeyValue= obj
* @returns org.apache.arrow.flatbuf.KeyValue
*/
customMetadata(index: number, obj?: NS7624605610262437867.org.apache.arrow.flatbuf.KeyValue): NS7624605610262437867.org.apache.arrow.flatbuf.KeyValue | null;
/**
* @returns number
*/
customMetadataLength(): number;
/**
* @param flatbuffers.Builder builder
*/
static startMessage(builder: flatbuffers.Builder): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.MetadataVersion version
*/
static addVersion(builder: flatbuffers.Builder, version: NS7624605610262437867.org.apache.arrow.flatbuf.MetadataVersion): void;
/**
* @param flatbuffers.Builder builder
* @param org.apache.arrow.flatbuf.MessageHeader headerType
*/
static addHeaderType(builder: flatbuffers.Builder, headerType: org.apache.arrow.flatbuf.MessageHeader): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset headerOffset
*/
static addHeader(builder: flatbuffers.Builder, headerOffset: flatbuffers.Offset): void;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Long bodyLength
*/
static addBodyLength(builder: flatbuffers.Builder, bodyLength: flatbuffers.Long): 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 endMessage(builder: flatbuffers.Builder): flatbuffers.Offset;
/**
* @param flatbuffers.Builder builder
* @param flatbuffers.Offset offset
*/
static finishMessageBuffer(builder: flatbuffers.Builder, offset: flatbuffers.Offset): void;
static createMessage(builder: flatbuffers.Builder, version: NS7624605610262437867.org.apache.arrow.flatbuf.MetadataVersion, headerType: org.apache.arrow.flatbuf.MessageHeader, headerOffset: flatbuffers.Offset, bodyLength: flatbuffers.Long, customMetadataOffset: flatbuffers.Offset): flatbuffers.Offset;
}
}
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