apache-arrow/Arrow.esnext.min.js

Apache Arrow columnar in-memory format

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
    typeof define === 'function' && define.amd ? define(['exports'], factory) :
    (factory(global.Arrow = global.Arrow || {}));
}(this, (function (exports) {var g;const aa=new TextDecoder("utf-8"),ba=a=>aa.decode(a),ca=new TextEncoder;const l=a=>"function"===typeof a,m=a=>null!=a&&Object(a)===a,da=a=>"_getDOMStream"in a&&"_getNodeStream"in a,ea=a=>m(a)&&l(a.cancel)&&l(a.getReader)&&!da(a),fa=a=>m(a)&&l(a.read)&&l(a.pipe)&&"boolean"===typeof a.readable&&!da(a);const ha="undefined"!==typeof SharedArrayBuffer?SharedArrayBuffer:ArrayBuffer;function ia(a){const b=a[0]?[a[0]]:[];let c,d,e,f;for(let h,k,n=0,q=0,B=a.length;++n<B;)h=b[q],k=a[n],!h||!k||h.buffer!==k.buffer||k.byteOffset<h.byteOffset?k&&(b[++q]=k):({byteOffset:c,byteLength:e}=h,{byteOffset:d,byteLength:f}=k,c+e<d||d+f<c?k&&(b[++q]=k):b[q]=new Uint8Array(h.buffer,c,d-c+f));return b}
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class Vb{constructor(){this.g=null;this.h=0}i(a,b){this.h=a;this.g=b;return this}fields(a,b){const c=x(this.g,this.h,6);return c?(b||new Rb).i(Pa(this.g,Qa(this.g,this.h+c)+4*a),this.g):null}Ca(a){const b=x(this.g,this.h,8);return b?(new Cb).i(Pa(this.g,Qa(this.g,this.h+b)+4*a),this.g):null}Da(){const a=x(this.g,this.h,8);return a?Ra(this.g,this.h+a):0}features(a){const b=x(this.g,this.h,10);return b?La(this.g,Qa(this.g,this.h+b)+8*a):BigInt(0)}};var Wb,Xb=Wb||={};Xb[Xb.Row=0]="Row";Xb[Xb.Column=1]="Column";var Yb,Zb=Yb||={};Zb[Zb.NONE=0]="NONE";Zb[Zb.SparseTensorIndexCOO=1]="SparseTensorIndexCOO";Zb[Zb.SparseMatrixIndexCSX=2]="SparseMatrixIndexCSX";Zb[Zb.SparseTensorIndexCSF=3]="SparseTensorIndexCSF";var E,$b=E||={};$b[$b.NONE=0]="NONE";$b[$b.Schema=1]="Schema";$b[$b.DictionaryBatch=2]="DictionaryBatch";$b[$b.RecordBatch=3]="RecordBatch";$b[$b.Tensor=4]="Tensor";$b[$b.SparseTensor=5]="SparseTensor";var F,G=F||={};G[G.NONE=0]="NONE";G[G.Null=1]="Null";G[G.Int=2]="Int";G[G.Float=3]="Float";G[G.Binary=4]="Binary";G[G.Utf8=5]="Utf8";G[G.Bool=6]="Bool";G[G.Decimal=7]="Decimal";G[G.Date=8]="Date";G[G.Time=9]="Time";G[G.Timestamp=10]="Timestamp";G[G.Interval=11]="Interval";G[G.List=12]="List";G[G.Struct=13]="Struct";G[G.Union=14]="Union";G[G.FixedSizeBinary=15]="FixedSizeBinary";G[G.FixedSizeList=16]="FixedSizeList";G[G.Map=17]="Map";G[G.Duration=18]="Duration";G[G.LargeBinary=19]="LargeBinary";
G[G.LargeUtf8=20]="LargeUtf8";G[G.Dictionary=-1]="Dictionary";G[G.Int8=-2]="Int8";G[G.Int16=-3]="Int16";G[G.Int32=-4]="Int32";G[G.Int64=-5]="Int64";G[G.Uint8=-6]="Uint8";G[G.Uint16=-7]="Uint16";G[G.Uint32=-8]="Uint32";G[G.Uint64=-9]="Uint64";G[G.Float16=-10]="Float16";G[G.Float32=-11]="Float32";G[G.Float64=-12]="Float64";G[G.DateDay=-13]="DateDay";G[G.DateMillisecond=-14]="DateMillisecond";G[G.TimestampSecond=-15]="TimestampSecond";G[G.TimestampMillisecond=-16]="TimestampMillisecond";
G[G.TimestampMicrosecond=-17]="TimestampMicrosecond";G[G.TimestampNanosecond=-18]="TimestampNanosecond";G[G.TimeSecond=-19]="TimeSecond";G[G.TimeMillisecond=-20]="TimeMillisecond";G[G.TimeMicrosecond=-21]="TimeMicrosecond";G[G.TimeNanosecond=-22]="TimeNanosecond";G[G.DenseUnion=-23]="DenseUnion";G[G.SparseUnion=-24]="SparseUnion";G[G.IntervalDayTime=-25]="IntervalDayTime";G[G.IntervalYearMonth=-26]="IntervalYearMonth";G[G.DurationSecond=-27]="DurationSecond";G[G.DurationMillisecond=-28]="DurationMillisecond";
G[G.DurationMicrosecond=-29]="DurationMicrosecond";G[G.DurationNanosecond=-30]="DurationNanosecond";var ac,bc=ac||={};bc[bc.OFFSET=0]="OFFSET";bc[bc.DATA=1]="DATA";bc[bc.VALIDITY=2]="VALIDITY";bc[bc.TYPE=3]="TYPE";function cc(a){if(null===a)return"null";if(void 0===a)return"undefined";switch(typeof a){case "number":return`${a}`;case "bigint":return`${a}`;case "string":return`"${a}"`}return"function"===typeof a[Symbol.toPrimitive]?a[Symbol.toPrimitive]("string"):ArrayBuffer.isView(a)?a instanceof BigInt64Array||a instanceof BigUint64Array?`[${[...a].map(b=>cc(b))}]`:`[${a}]`:ArrayBuffer.isView(a)?`[${a}]`:JSON.stringify(a,(b,c)=>"bigint"===typeof c?`${c}`:c)}var dc={};dc.valueToString=cc;function H(a){if("bigint"===typeof a&&(a<Number.MIN_SAFE_INTEGER||a>Number.MAX_SAFE_INTEGER))throw new TypeError(`${a} is not safe to convert to a number.`);return Number(a)}function ec(a,b){return H(a/b)+H(a%b)/H(b)};const fc=Symbol.for("isArrowBigNum");function gc(a,...b){return 0===b.length?Object.setPrototypeOf(p(this.TypedArray,a),this.constructor.prototype):Object.setPrototypeOf(new this.TypedArray(a,...b),this.constructor.prototype)}gc.prototype[fc]=!0;gc.prototype.toJSON=function(){return`"${hc(this)}"`};gc.prototype.valueOf=function(a){return ic(this,a)};gc.prototype.toString=function(){return hc(this)};gc.prototype[Symbol.toPrimitive]=function(a="default"){switch(a){case "number":return ic(this);case "default":return jc(this)}return hc(this)};
function kc(...a){return gc.apply(this,a)}function lc(...a){return gc.apply(this,a)}function mc(...a){return gc.apply(this,a)}Object.setPrototypeOf(kc.prototype,Object.create(Int32Array.prototype));Object.setPrototypeOf(lc.prototype,Object.create(Uint32Array.prototype));Object.setPrototypeOf(mc.prototype,Object.create(Uint32Array.prototype));Object.assign(kc.prototype,gc.prototype,{constructor:kc,signed:!0,TypedArray:Int32Array,BigIntArray:BigInt64Array});
Object.assign(lc.prototype,gc.prototype,{constructor:lc,signed:!1,TypedArray:Uint32Array,BigIntArray:BigUint64Array});Object.assign(mc.prototype,gc.prototype,{constructor:mc,signed:!0,TypedArray:Uint32Array,BigIntArray:BigUint64Array});const nc=BigInt(4294967296)*BigInt(4294967296)-BigInt(1);
function ic(a,b){const {buffer:c,byteOffset:d,byteLength:e,signed:f}=a,h=new BigUint64Array(c,d,e/8),k=f&&h.at(-1)&BigInt(1)<<BigInt(63);a=BigInt(0);let n=0;if(k){for(var q of h)a|=(q^nc)*(BigInt(1)<<BigInt(64*n++));a*=BigInt(-1);a-=BigInt(1)}else for(const B of h)a|=B*(BigInt(1)<<BigInt(64*n++));return"number"===typeof b?(b=BigInt(Math.pow(10,b)),q=a%b,H(a/b)+H(q)/H(b)):H(a)}
function hc(a){if(8===a.byteLength)return`${(new a.BigIntArray(a.buffer,a.byteOffset,1))[0]}`;if(!a.signed)return oc(a);let b=new Uint16Array(a.buffer,a.byteOffset,a.byteLength/2);if(0<=(new Int16Array([b.at(-1)]))[0])return oc(a);b=b.slice();a=1;for(let c=0;c<b.length;c++){const d=b[c];b[c]=~d+a;a&=0===d?1:0}return`-${oc(b)}`}function jc(a){return 8===a.byteLength?(new a.BigIntArray(a.buffer,a.byteOffset,1))[0]:hc(a)}
function oc(a){let b="";const c=new Uint32Array(2);a=new Uint16Array(a.buffer,a.byteOffset,a.byteLength/2);const d=new Uint32Array((a=(new Uint16Array(a)).reverse()).buffer);let e;const f=a.length-1;do{for(c[0]=a[e=0];e<f;)a[e++]=c[1]=c[0]/10,c[0]=(c[0]-10*c[1]<<16)+a[e];a[e]=c[1]=c[0]/10;c[0]-=10*c[1];b=`${c[0]}${b}`}while(d[0]||d[1]||d[2]||d[3]);return b??"0"}
class pc{static new(a,b){switch(b){case !0:return new kc(a);case !1:return new lc(a)}switch(a.constructor){case Int8Array:case Int16Array:case Int32Array:case BigInt64Array:return new kc(a)}return 16===a.byteLength?new mc(a):new lc(a)}static Zb(a){return new kc(a)}constructor(a,b){return pc.new(a,b)}}var qc={};qc.BN=pc;qc.bigNumToBigInt=jc;qc.bigNumToNumber=ic;qc.bigNumToString=hc;qc.isArrowBigNumSymbol=fc;class I{static isNull(a){return a?.typeId===F.Null}static isInt(a){return a?.typeId===F.Int}static isFloat(a){return a?.typeId===F.Float}static isBinary(a){return a?.typeId===F.Binary}static isLargeBinary(a){return a?.typeId===F.LargeBinary}static isUtf8(a){return a?.typeId===F.Utf8}static isLargeUtf8(a){return a?.typeId===F.LargeUtf8}static isBool(a){return a?.typeId===F.Bool}static isDecimal(a){return a?.typeId===F.Decimal}static isDate(a){return a?.typeId===F.Date}static isTime(a){return a?.typeId===
F.Time}static isTimestamp(a){return a?.typeId===F.Timestamp}static isInterval(a){return a?.typeId===F.Interval}static isDuration(a){return a?.typeId===F.Duration}static isList(a){return a?.typeId===F.List}static isStruct(a){return a?.typeId===F.Struct}static isUnion(a){return a?.typeId===F.Union}static isFixedSizeBinary(a){return a?.typeId===F.FixedSizeBinary}static isFixedSizeList(a){return a?.typeId===F.FixedSizeList}static isMap(a){return a?.typeId===F.Map}static isDictionary(a){return a?.typeId===
F.Dictionary}static isDenseUnion(a){return I.isUnion(a)&&a.mode===u.Dense}static isSparseUnion(a){return I.isUnion(a)&&a.mode===u.Sparse}constructor(a){this.typeId=a}}var rc=Symbol.toStringTag,sc,tc=I.prototype;tc.children=null;tc.ArrayType=Array;tc.OffsetArrayType=Int32Array;sc=tc[Symbol.toStringTag]="DataType";I[rc]=sc;class uc extends I{constructor(){super(F.Null)}toString(){return"Null"}}uc[Symbol.toStringTag]=uc.prototype[Symbol.toStringTag]="Null";
class vc extends I{constructor(a,b){super(F.Int);this.isSigned=a;this.bitWidth=b}get ArrayType(){switch(this.bitWidth){case 8:return this.isSigned?Int8Array:Uint8Array;case 16:return this.isSigned?Int16Array:Uint16Array;case 32:return this.isSigned?Int32Array:Uint32Array;case 64:return this.isSigned?BigInt64Array:BigUint64Array}throw Error(`Unrecognized ${this[Symbol.toStringTag]} type`);}toString(){return`${this.isSigned?"I":"Ui"}nt${this.bitWidth}`}}var wc=Symbol.toStringTag,xc,yc=vc.prototype;
yc.isSigned=null;yc.bitWidth=null;xc=yc[Symbol.toStringTag]="Int";vc[wc]=xc;class zc extends vc{constructor(){super(!0,8)}get ArrayType(){return Int8Array}}class Ac extends vc{constructor(){super(!0,16)}get ArrayType(){return Int16Array}}class Bc extends vc{constructor(){super(!0,32)}get ArrayType(){return Int32Array}}class Cc extends vc{constructor(){super(!0,64)}get ArrayType(){return BigInt64Array}}class Dc extends vc{constructor(){super(!1,8)}get ArrayType(){return Uint8Array}}
class Ec extends vc{constructor(){super(!1,16)}get ArrayType(){return Uint16Array}}class Fc extends vc{constructor(){super(!1,32)}get ArrayType(){return Uint32Array}}class Gc extends vc{constructor(){super(!1,64)}get ArrayType(){return BigUint64Array}}Object.defineProperty(zc.prototype,"ArrayType",{value:Int8Array});Object.defineProperty(Ac.prototype,"ArrayType",{value:Int16Array});Object.defineProperty(Bc.prototype,"ArrayType",{value:Int32Array});Object.defineProperty(Cc.prototype,"ArrayType",{value:BigInt64Array});
Object.defineProperty(Dc.prototype,"ArrayType",{value:Uint8Array});Object.defineProperty(Ec.prototype,"ArrayType",{value:Uint16Array});Object.defineProperty(Fc.prototype,"ArrayType",{value:Uint32Array});Object.defineProperty(Gc.prototype,"ArrayType",{value:BigUint64Array});
class Hc extends I{constructor(a){super(F.Float);this.precision=a}get ArrayType(){switch(this.precision){case v.HALF:return Uint16Array;case v.SINGLE:return Float32Array;case v.DOUBLE:return Float64Array}throw Error(`Unrecognized ${this[Symbol.toStringTag]} type`);}toString(){return`Float${this.precision<<5||16}`}}var Ic=Symbol.toStringTag,Jc,Kc=Hc.prototype;Kc.precision=null;Jc=Kc[Symbol.toStringTag]="Float";Hc[Ic]=Jc;class Lc extends Hc{constructor(){super(v.HALF)}}
class Mc extends Hc{constructor(){super(v.SINGLE)}}class Nc extends Hc{constructor(){super(v.DOUBLE)}}Object.defineProperty(Lc.prototype,"ArrayType",{value:Uint16Array});Object.defineProperty(Mc.prototype,"ArrayType",{value:Float32Array});Object.defineProperty(Nc.prototype,"ArrayType",{value:Float64Array});class Oc extends I{constructor(){super(F.Binary)}toString(){return"Binary"}}var Pc=Symbol.toStringTag,Qc,Rc=Oc.prototype;Rc.ArrayType=Uint8Array;Qc=Rc[Symbol.toStringTag]="Binary";Oc[Pc]=Qc;
class Sc extends I{constructor(){super(F.LargeBinary)}toString(){return"LargeBinary"}}var Tc=Symbol.toStringTag,Uc,Vc=Sc.prototype;Vc.ArrayType=Uint8Array;Vc.OffsetArrayType=BigInt64Array;Uc=Vc[Symbol.toStringTag]="LargeBinary";Sc[Tc]=Uc;class Wc extends I{constructor(){super(F.Utf8)}toString(){return"Utf8"}}var Xc=Symbol.toStringTag,Yc,Zc=Wc.prototype;Zc.ArrayType=Uint8Array;Yc=Zc[Symbol.toStringTag]="Utf8";Wc[Xc]=Yc;
class $c extends I{constructor(){super(F.LargeUtf8)}toString(){return"LargeUtf8"}}var ad=Symbol.toStringTag,bd,cd=$c.prototype;cd.ArrayType=Uint8Array;cd.OffsetArrayType=BigInt64Array;bd=cd[Symbol.toStringTag]="LargeUtf8";$c[ad]=bd;class dd extends I{constructor(){super(F.Bool)}toString(){return"Bool"}}var ed=Symbol.toStringTag,fd,gd=dd.prototype;gd.ArrayType=Uint8Array;fd=gd[Symbol.toStringTag]="Bool";dd[ed]=fd;
class hd extends I{constructor(a,b,c=128){super(F.Decimal);this.scale=a;this.precision=b;this.bitWidth=c}toString(){return`Decimal[${this.precision}e${0<this.scale?"+":""}${this.scale}]`}}var id=Symbol.toStringTag,jd,kd=hd.prototype;kd.scale=null;kd.precision=null;kd.ArrayType=Uint32Array;jd=kd[Symbol.toStringTag]="Decimal";hd[id]=jd;
class ld extends I{constructor(a){super(F.Date);this.unit=a}toString(){return`Date${32*(this.unit+1)}<${Ca[this.unit]}>`}get ArrayType(){return this.unit===Ca.DAY?Int32Array:BigInt64Array}}var md=Symbol.toStringTag,nd,od=ld.prototype;od.unit=null;nd=od[Symbol.toStringTag]="Date";ld[md]=nd;class pd extends ld{constructor(){super(Ca.DAY)}}class qd extends ld{constructor(){super(Ca.MILLISECOND)}}
class rd extends I{constructor(a,b){super(F.Time);this.unit=a;this.bitWidth=b}toString(){return`Time${this.bitWidth}<${w[this.unit]}>`}get ArrayType(){switch(this.bitWidth){case 32:return Int32Array;case 64:return BigInt64Array}throw Error(`Unrecognized ${this[Symbol.toStringTag]} type`);}}var sd=Symbol.toStringTag,td,ud=rd.prototype;ud.unit=null;ud.bitWidth=null;td=ud[Symbol.toStringTag]="Time";rd[sd]=td;class vd extends rd{constructor(){super(w.SECOND,32)}}
class wd extends rd{constructor(){super(w.MILLISECOND,32)}}class xd extends rd{constructor(){super(w.MICROSECOND,64)}}class yd extends rd{constructor(){super(w.NANOSECOND,64)}}class zd extends I{constructor(a,b){super(F.Timestamp);this.unit=a;this.timezone=b}toString(){return`Timestamp<${w[this.unit]}${this.timezone?`, ${this.timezone}`:""}>`}}var Ad=Symbol.toStringTag,Bd,Cd=zd.prototype;Cd.unit=null;Cd.timezone=null;Cd.ArrayType=BigInt64Array;Bd=Cd[Symbol.toStringTag]="Timestamp";zd[Ad]=Bd;
class Dd extends zd{constructor(a){super(w.SECOND,a)}}class Ed extends zd{constructor(a){super(w.MILLISECOND,a)}}class Fd extends zd{constructor(a){super(w.MICROSECOND,a)}}class Gd extends zd{constructor(a){super(w.NANOSECOND,a)}}class Hd extends I{constructor(a){super(F.Interval);this.unit=a}toString(){return`Interval<${Fa[this.unit]}>`}}var Id=Symbol.toStringTag,Jd,Kd=Hd.prototype;Kd.unit=null;Kd.ArrayType=Int32Array;Jd=Kd[Symbol.toStringTag]="Interval";Hd[Id]=Jd;
class Ld extends Hd{constructor(){super(Fa.DAY_TIME)}}class Md extends Hd{constructor(){super(Fa.YEAR_MONTH)}}class Nd extends I{constructor(a){super(F.Duration);this.unit=a}toString(){return`Duration<${w[this.unit]}>`}}var Od=Symbol.toStringTag,Pd,Qd=Nd.prototype;Qd.unit=null;Qd.ArrayType=BigInt64Array;Pd=Qd[Symbol.toStringTag]="Duration";Nd[Od]=Pd;class Rd extends Nd{constructor(){super(w.SECOND)}}class Sd extends Nd{constructor(){super(w.MILLISECOND)}}
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class J extends I{constructor(a){super(F.Struct);this.children=a}toString(){return`Struct<{${this.children.map(a=>`${a.name}:${a.type}`).join(", ")}}>`}}var Zd=Symbol.toStringTag,$d,ae=J.prototype;ae.children=null;$d=ae[Symbol.toStringTag]="Struct";J[Zd]=$d;
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