parquets
Version:
TypeScript implementation of the Parquet file format, based on parquet.js
231 lines • 9.46 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/* tslint:disable */
/* eslint-disable */
/*
* Autogenerated by @creditkarma/thrift-typescript v3.7.2
* DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
*/
const Int64 = require("node-int64");
const thrift = require("thrift");
const ColumnOrder = require("./ColumnOrder");
const KeyValue = require("./KeyValue");
const RowGroup = require("./RowGroup");
const SchemaElement = require("./SchemaElement");
class FileMetaData {
constructor(args) {
if (args != null && args.version != null) {
this.version = args.version;
}
else {
throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[version] is unset!");
}
if (args != null && args.schema != null) {
this.schema = args.schema;
}
else {
throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[schema] is unset!");
}
if (args != null && args.num_rows != null) {
if (typeof args.num_rows === "number") {
this.num_rows = new Int64(args.num_rows);
}
else {
this.num_rows = args.num_rows;
}
}
else {
throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[num_rows] is unset!");
}
if (args != null && args.row_groups != null) {
this.row_groups = args.row_groups;
}
else {
throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[row_groups] is unset!");
}
if (args != null && args.key_value_metadata != null) {
this.key_value_metadata = args.key_value_metadata;
}
if (args != null && args.created_by != null) {
this.created_by = args.created_by;
}
if (args != null && args.column_orders != null) {
this.column_orders = args.column_orders;
}
}
write(output) {
output.writeStructBegin("FileMetaData");
if (this.version != null) {
output.writeFieldBegin("version", thrift.Thrift.Type.I32, 1);
output.writeI32(this.version);
output.writeFieldEnd();
}
if (this.schema != null) {
output.writeFieldBegin("schema", thrift.Thrift.Type.LIST, 2);
output.writeListBegin(thrift.Thrift.Type.STRUCT, this.schema.length);
this.schema.forEach((value_1) => {
value_1.write(output);
});
output.writeListEnd();
output.writeFieldEnd();
}
if (this.num_rows != null) {
output.writeFieldBegin("num_rows", thrift.Thrift.Type.I64, 3);
output.writeI64(this.num_rows);
output.writeFieldEnd();
}
if (this.row_groups != null) {
output.writeFieldBegin("row_groups", thrift.Thrift.Type.LIST, 4);
output.writeListBegin(thrift.Thrift.Type.STRUCT, this.row_groups.length);
this.row_groups.forEach((value_2) => {
value_2.write(output);
});
output.writeListEnd();
output.writeFieldEnd();
}
if (this.key_value_metadata != null) {
output.writeFieldBegin("key_value_metadata", thrift.Thrift.Type.LIST, 5);
output.writeListBegin(thrift.Thrift.Type.STRUCT, this.key_value_metadata.length);
this.key_value_metadata.forEach((value_3) => {
value_3.write(output);
});
output.writeListEnd();
output.writeFieldEnd();
}
if (this.created_by != null) {
output.writeFieldBegin("created_by", thrift.Thrift.Type.STRING, 6);
output.writeString(this.created_by);
output.writeFieldEnd();
}
if (this.column_orders != null) {
output.writeFieldBegin("column_orders", thrift.Thrift.Type.LIST, 7);
output.writeListBegin(thrift.Thrift.Type.STRUCT, this.column_orders.length);
this.column_orders.forEach((value_4) => {
value_4.write(output);
});
output.writeListEnd();
output.writeFieldEnd();
}
output.writeFieldStop();
output.writeStructEnd();
return;
}
static read(input) {
input.readStructBegin();
let _args = {};
while (true) {
const ret = input.readFieldBegin();
const fieldType = ret.ftype;
const fieldId = ret.fid;
if (fieldType === thrift.Thrift.Type.STOP) {
break;
}
switch (fieldId) {
case 1:
if (fieldType === thrift.Thrift.Type.I32) {
const value_5 = input.readI32();
_args.version = value_5;
}
else {
input.skip(fieldType);
}
break;
case 2:
if (fieldType === thrift.Thrift.Type.LIST) {
const value_6 = new Array();
const metadata_1 = input.readListBegin();
const size_1 = metadata_1.size;
for (let i_1 = 0; i_1 < size_1; i_1++) {
const value_7 = SchemaElement.SchemaElement.read(input);
value_6.push(value_7);
}
input.readListEnd();
_args.schema = value_6;
}
else {
input.skip(fieldType);
}
break;
case 3:
if (fieldType === thrift.Thrift.Type.I64) {
const value_8 = input.readI64();
_args.num_rows = value_8;
}
else {
input.skip(fieldType);
}
break;
case 4:
if (fieldType === thrift.Thrift.Type.LIST) {
const value_9 = new Array();
const metadata_2 = input.readListBegin();
const size_2 = metadata_2.size;
for (let i_2 = 0; i_2 < size_2; i_2++) {
const value_10 = RowGroup.RowGroup.read(input);
value_9.push(value_10);
}
input.readListEnd();
_args.row_groups = value_9;
}
else {
input.skip(fieldType);
}
break;
case 5:
if (fieldType === thrift.Thrift.Type.LIST) {
const value_11 = new Array();
const metadata_3 = input.readListBegin();
const size_3 = metadata_3.size;
for (let i_3 = 0; i_3 < size_3; i_3++) {
const value_12 = KeyValue.KeyValue.read(input);
value_11.push(value_12);
}
input.readListEnd();
_args.key_value_metadata = value_11;
}
else {
input.skip(fieldType);
}
break;
case 6:
if (fieldType === thrift.Thrift.Type.STRING) {
const value_13 = input.readString();
_args.created_by = value_13;
}
else {
input.skip(fieldType);
}
break;
case 7:
if (fieldType === thrift.Thrift.Type.LIST) {
const value_14 = new Array();
const metadata_4 = input.readListBegin();
const size_4 = metadata_4.size;
for (let i_4 = 0; i_4 < size_4; i_4++) {
const value_15 = ColumnOrder.ColumnOrder.read(input);
value_14.push(value_15);
}
input.readListEnd();
_args.column_orders = value_14;
}
else {
input.skip(fieldType);
}
break;
default: {
input.skip(fieldType);
}
}
input.readFieldEnd();
}
input.readStructEnd();
if (_args.version !== undefined && _args.schema !== undefined && _args.num_rows !== undefined && _args.row_groups !== undefined) {
return new FileMetaData(_args);
}
else {
throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Unable to read FileMetaData from input");
}
}
}
exports.FileMetaData = FileMetaData;
//# sourceMappingURL=FileMetaData.js.map