parquets/lib/thrift/ColumnMetaData.d.ts

TypeScript implementation of the Parquet file format, based on parquet.js

import Int64 = require("node-int64");
import * as thrift from "thrift";
import * as CompressionCodec from "./CompressionCodec";
import * as Encoding from "./Encoding";
import * as KeyValue from "./KeyValue";
import * as PageEncodingStats from "./PageEncodingStats";
import * as Statistics from "./Statistics";
import * as Type from "./Type";
export interface IColumnMetaDataArgs {
    type: Type.Type;
    encodings: Array<Encoding.Encoding>;
    path_in_schema: Array<string>;
    codec: CompressionCodec.CompressionCodec;
    num_values: number | Int64;
    total_uncompressed_size: number | Int64;
    total_compressed_size: number | Int64;
    key_value_metadata?: Array<KeyValue.KeyValue>;
    data_page_offset: number | Int64;
    index_page_offset?: number | Int64;
    dictionary_page_offset?: number | Int64;
    statistics?: Statistics.Statistics;
    encoding_stats?: Array<PageEncodingStats.PageEncodingStats>;
}
export declare class ColumnMetaData {
    type: Type.Type;
    encodings: Array<Encoding.Encoding>;
    path_in_schema: Array<string>;
    codec: CompressionCodec.CompressionCodec;
    num_values: Int64;
    total_uncompressed_size: Int64;
    total_compressed_size: Int64;
    key_value_metadata?: Array<KeyValue.KeyValue>;
    data_page_offset: Int64;
    index_page_offset?: Int64;
    dictionary_page_offset?: Int64;
    statistics?: Statistics.Statistics;
    encoding_stats?: Array<PageEncodingStats.PageEncodingStats>;
    constructor(args: IColumnMetaDataArgs);
    write(output: thrift.TProtocol): void;
    static read(input: thrift.TProtocol): ColumnMetaData;
}