apache-arrow/Arrow.es2015.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) {
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function qb(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?b:"0"}
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var yb=Symbol.toStringTag,zb,Ab=xb.prototype;Ab.isSigned=null;Ab.bitWidth=null;zb=Ab[Symbol.toStringTag]="Int";xb[yb]=zb;class Bb extends xb{constructor(){super(!0,8)}get ArrayType(){return Int8Array}}class Eb extends xb{constructor(){super(!0,16)}get ArrayType(){return Int16Array}}class Fb extends xb{constructor(){super(!0,32)}get ArrayType(){return Int32Array}}class Gb extends xb{constructor(){super(!0,64)}get ArrayType(){return BigInt64Array}}
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Object.defineProperty(Fb.prototype,"ArrayType",{value:Int32Array});Object.defineProperty(Gb.prototype,"ArrayType",{value:BigInt64Array});Object.defineProperty(Hb.prototype,"ArrayType",{value:Uint8Array});Object.defineProperty(Ib.prototype,"ArrayType",{value:Uint16Array});Object.defineProperty(Jb.prototype,"ArrayType",{value:Uint32Array});Object.defineProperty(Kb.prototype,"ArrayType",{value:BigUint64Array});
class Lb extends C{constructor(a){super();this.precision=a}get typeId(){return A.Float}get ArrayType(){switch(this.precision){case x.HALF:return Uint16Array;case x.SINGLE:return Float32Array;case x.DOUBLE:return Float64Array}throw Error(`Unrecognized ${this[Symbol.toStringTag]} type`);}toString(){return`Float${this.precision<<5||16}`}}var Mb=Symbol.toStringTag,Nb,Ob=Lb.prototype;Ob.precision=null;Nb=Ob[Symbol.toStringTag]="Float";Lb[Mb]=Nb;class Pb extends Lb{constructor(){super(x.HALF)}}
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Sb[Tb]=Ub;class Wb extends C{constructor(){super()}get typeId(){return A.Utf8}toString(){return"Utf8"}}var Xb=Symbol.toStringTag,Yb,Zb=Wb.prototype;Zb.ArrayType=Uint8Array;Yb=Zb[Symbol.toStringTag]="Utf8";Wb[Xb]=Yb;class $b extends C{constructor(){super()}get typeId(){return A.Bool}toString(){return"Bool"}}var ac=Symbol.toStringTag,bc,cc=$b.prototype;cc.ArrayType=Uint8Array;bc=cc[Symbol.toStringTag]="Bool";$b[ac]=bc;
class dc extends C{constructor(a,b,c=128){super();this.scale=a;this.precision=b;this.bitWidth=c}get typeId(){return A.Decimal}toString(){return`Decimal[${this.precision}e${0<this.scale?"+":""}${this.scale}]`}}var ec=Symbol.toStringTag,fc,gc=dc.prototype;gc.scale=null;gc.precision=null;gc.ArrayType=Uint32Array;fc=gc[Symbol.toStringTag]="Decimal";dc[ec]=fc;class hc extends C{constructor(a){super();this.unit=a}get typeId(){return A.Date}toString(){return`Date${32*(this.unit+1)}<${$a[this.unit]}>`}}
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class sc extends nc{constructor(){super(y.MILLISECOND,32)}}class tc extends nc{constructor(){super(y.MICROSECOND,64)}}class uc extends nc{constructor(){super(y.NANOSECOND,64)}}class vc extends C{constructor(a,b){super();this.unit=a;this.timezone=b}get typeId(){return A.Timestamp}toString(){return`Timestamp<${y[this.unit]}${this.timezone?`, ${this.timezone}`:""}>`}}var wc=Symbol.toStringTag,xc,yc=vc.prototype;yc.unit=null;yc.timezone=null;yc.ArrayType=Int32Array;xc=yc[Symbol.toStringTag]="Timestamp";
vc[wc]=xc;class zc extends vc{constructor(a){super(y.SECOND,a)}}class Ac extends vc{constructor(a){super(y.MILLISECOND,a)}}class Bc extends vc{constructor(a){super(y.MICROSECOND,a)}}class Cc extends vc{constructor(a){super(y.NANOSECOND,a)}}class Dc extends C{constructor(a){super();this.unit=a}get typeId(){return A.Interval}toString(){return`Interval<${cb[this.unit]}>`}}var Ec=Symbol.toStringTag,Fc,Gc=Dc.prototype;Gc.unit=null;Gc.ArrayType=Int32Array;Fc=Gc[Symbol.toStringTag]="Interval";Dc[Ec]=Fc;
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class D extends C{constructor(a){super();this.children=a}get typeId(){return A.Struct}toString(){return`Struct<{${this.children.map(a=>`${a.name}:${a.type}`).join(", ")}}>`}}var Nc=Symbol.toStringTag,Oc,Pc=D.prototype;Pc.children=null;Oc=Pc[Symbol.toStringTag]="Struct";D[Nc]=Oc;
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