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called without startObject");this.addInt32(0);for(var t=this.offset(),e=this.vtable_in_use-1;e>=0&&0==this.vtable[e];e--);for(var r=e+1;e>=0;e--)this.addInt16(0!=this.vtable[e]?t-this.vtable[e]:0);this.addInt16(t-this.object_start);var i=(r+2)*n.SIZEOF_SHORT;this.addInt16(i);var s=0,o=this.space;t:for(e=0;e<this.vtables.length;e++){var a=this.bb.capacity()-this.vtables[e];if(i==this.bb.readInt16(a)){for(var u=n.SIZEOF_SHORT;u<i;u+=n.SIZEOF_SHORT)if(this.bb.readInt16(o+u)!=this.bb.readInt16(a+u))continue t;s=this.vtables[e];break}}return s?(this.space=this.bb.capacity()-t,this.bb.writeInt32(this.space,s-t)):(this.vtables.push(this.offset()),this.bb.writeInt32(this.bb.capacity()-t,this.offset()-t)),this.isNested=!1,t},n.Builder.prototype.finish=function(t,e){if(e){var r=e;if(this.prep(this.minalign,n.SIZEOF_INT+n.FILE_IDENTIFIER_LENGTH),r.length!=n.FILE_IDENTIFIER_LENGTH)throw Error("FlatBuffers: file identifier must be length "+n.FILE_IDENTIFIER_LENGTH);for(var i=n.FILE_IDENTIFIER_LENGTH-1;i>=0;i--)this.writeInt8(r.charCodeAt(i))}this.prep(this.minalign,n.SIZEOF_INT),this.addOffset(t),this.bb.setPosition(this.space)},n.Builder.prototype.requiredField=function(t,e){var r=this.bb.capacity()-t,n=r-this.bb.readInt32(r);if(!(0!=this.bb.readInt16(n+e)))throw Error("FlatBuffers: field "+e+" must be set")},n.Builder.prototype.startVector=function(t,e,r){this.notNested(),this.vector_num_elems=e,this.prep(n.SIZEOF_INT,t*e),this.prep(r,t*e)},n.Builder.prototype.endVector=function(){return this.writeInt32(this.vector_num_elems),this.offset()},n.Builder.prototype.createString=function(t){if(t instanceof Uint8Array)var e=t;else{e=[];for(var r=0;r<t.length;){var n,i=t.charCodeAt(r++);if(i<55296||i>=56320)n=i;else n=(i<<10)+t.charCodeAt(r++)+-56613888;n<128?e.push(n):(n<2048?e.push(n>>6&31|192):(n<65536?e.push(n>>12&15|224):e.push(n>>18&7|240,n>>12&63|128),e.push(n>>6&63|128)),e.push(63&n|128))}}this.addInt8(0),this.startVector(1,e.length,1),this.bb.setPosition(this.space-=e.length);r=0;for(var s=this.space,o=this.bb.bytes();r<e.length;r++)o[s++]=e[r];return this.endVector()},n.Builder.prototype.createLong=function(t,e){return n.Long.create(t,e)},n.ByteBuffer=function(t){this.bytes_=t,this.position_=0},n.ByteBuffer.allocate=function(t){return new n.ByteBuffer(new Uint8Array(t))},n.ByteBuffer.prototype.bytes=function(){return this.bytes_},n.ByteBuffer.prototype.position=function(){return this.position_},n.ByteBuffer.prototype.setPosition=function(t){this.position_=t},n.ByteBuffer.prototype.capacity=function(){return this.bytes_.length},n.ByteBuffer.prototype.readInt8=function(t){return this.readUint8(t)<<24>>24},n.ByteBuffer.prototype.readUint8=function(t){return this.bytes_[t]},n.ByteBuffer.prototype.readInt16=function(t){return this.readUint16(t)<<16>>16},n.ByteBuffer.prototype.readUint16=function(t){return this.bytes_[t]|this.bytes_[t+1]<<8},n.ByteBuffer.prototype.readInt32=function(t){return this.bytes_[t]|this.bytes_[t+1]<<8|this.bytes_[t+2]<<16|this.bytes_[t+3]<<24},n.ByteBuffer.prototype.readUint32=function(t){return this.readInt32(t)>>>0},n.ByteBuffer.prototype.readInt64=function(t){return new n.Long(this.readInt32(t),this.readInt32(t+4))},n.ByteBuffer.prototype.readUint64=function(t){return new n.Long(this.readUint32(t),this.readUint32(t+4))},n.ByteBuffer.prototype.readFloat32=function(t){return n.int32[0]=this.readInt32(t),n.float32[0]},n.ByteBuffer.prototype.readFloat64=function(t){return n.int32[n.isLittleEndian?0:1]=this.readInt32(t),n.int32[n.isLittleEndian?1:0]=this.readInt32(t+4),n.float64[0]},n.ByteBuffer.prototype.writeInt8=function(t,e){this.bytes_[t]=e},n.ByteBuffer.prototype.writeUint8=function(t,e){this.bytes_[t]=e},n.ByteBuffer.prototype.writeInt16=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8},n.ByteBuffer.prototype.writeUint16=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8},n.ByteBuffer.prototype.writeInt32=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8,this.bytes_[t+2]=e>>16,this.bytes_[t+3]=e>>24},n.ByteBuffer.prototype.writeUint32=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8,this.bytes_[t+2]=e>>16,this.bytes_[t+3]=e>>24},n.ByteBuffer.prototype.writeInt64=function(t,e){this.writeInt32(t,e.low),this.writeInt32(t+4,e.high)},n.ByteBuffer.prototype.writeUint64=function(t,e){this.writeUint32(t,e.low),this.writeUint32(t+4,e.high)},n.ByteBuffer.prototype.writeFloat32=function(t,e){n.float32[0]=e,this.writeInt32(t,n.int32[0])},n.ByteBuffer.prototype.writeFloat64=function(t,e){n.float64[0]=e,this.writeInt32(t,n.int32[n.isLittleEndian?0:1]),this.writeInt32(t+4,n.int32[n.isLittleEndian?1:0])},n.ByteBuffer.prototype.getBufferIdentifier=function(){if(this.bytes_.length<this.position_+n.SIZEOF_INT+n.FILE_IDENTIFIER_LENGTH)throw Error("FlatBuffers: ByteBuffer is too short to contain an identifier.");for(var t="",e=0;e<n.FILE_IDENTIFIER_LENGTH;e++)t+=String.fromCharCode(this.readInt8(this.position_+n.SIZEOF_INT+e));return t},n.ByteBuffer.prototype.__offset=function(t,e){var r=t-this.readInt32(t);return e<this.readInt16(r)?this.readInt16(r+e):0},n.ByteBuffer.prototype.__union=function(t,e){return t.bb_pos=e+this.readInt32(e),t.bb=this,t},n.ByteBuffer.prototype.__string=function(t,e){t+=this.readInt32(t);var r=this.readInt32(t),i="",s=0;if(t+=n.SIZEOF_INT,e===n.Encoding.UTF8_BYTES)return this.bytes_.subarray(t,t+r);for(;s<r;){var o,a=this.readUint8(t+s++);if(a<192)o=a;else{var u=this.readUint8(t+s++);if(a<224)o=(31&a)<<6|63&u;else{var c=this.readUint8(t+s++);if(a<240)o=(15&a)<<12|(63&u)<<6|63&c;else o=(7&a)<<18|(63&u)<<12|(63&c)<<6|63&this.readUint8(t+s++)}}i+=o<65536?String.fromCharCode(o):String.fromCharCode(55296+((o-=65536)>>10),56320+(1023&o))}return i},n.ByteBuffer.prototype.__indirect=function(t){return t+this.readInt32(t)},n.ByteBuffer.prototype.__vector=function(t){return t+this.readInt32(t)+n.SIZEOF_INT},n.ByteBuffer.prototype.__vector_len=function(t){return this.readInt32(t+this.readInt32(t))},n.ByteBuffer.prototype.__has_identifier=function(t){if(t.length!=n.FILE_IDENTIFIER_LENGTH)throw Error("FlatBuffers: file identifier must be length "+n.FILE_IDENTIFIER_LENGTH);for(var e=0;e<n.FILE_IDENTIFIER_LENGTH;e++)if(t.charCodeAt(e)!=this.readInt8(this.position_+n.SIZEOF_INT+e))return!1;return!0},n.ByteBuffer.prototype.createLong=function(t,e){return n.Long.create(t,e)}},function(t,e,r){"use strict";function n(t,e,r){return e<=t&&t<=r}function i(t){if(void 0===t)return{};if(t===Object(t))return t;throw TypeError("Could not convert argument to dictionary")}r.d(e,"b",function(){return h}),r.d(e,"a",function(){return l});var s=-1;function o(t){this.tokens=[].slice.call(t)}o.prototype={endOfStream:function(){return!this.tokens.length},read:function(){return 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0===r&&(r=t[0].type),void 0===n&&(n=t[0].nullable),void 0===i&&(i=t[0].metadata)),new Ie(`${e}`,r,n,i)}get typeId(){return this.type.typeId}get[Symbol.toStringTag](){return"Field"}toString(){return`${this.name}: ${this.type}`}compareTo(t){return K.compareField(this,t)}clone(...t){let[e,r,n,i]=t;return t[0]&&"object"==typeof t[0]?({name:e=this.name,type:r=this.type,nullable:n=this.nullable,metadata:i=this.metadata}=t[0]):[e=this.name,r=this.type,n=this.nullable,i=this.metadata]=t,Ie.new(e,r,n,i)}}function Ae(t,e){return new Map([...t||new Map,...e||new Map])}function Be(t,e,r){for(let n=-1,i=t.length;++n<i;){const i=t[n],s=i.type;if(G.isDictionary(s))if(r.get(s.id)||r.set(s.id,[]),e.has(s.id)){if(e.get(s.id)!==s.dictionary)throw Error("Cannot create Schema containing two different dictionaries with the same Id")}else e.set(s.id,s.dictionary),r.get(s.id).push(i);s.children&&Be(s.children,e,r)}return{dictionaries:e,dictionaryFields:r}}ve.prototype.fields=null,ve.prototype.metadata=null,ve.prototype.dictionaries=null,ve.prototype.dictionaryFields=null,Ie.prototype.type=null,Ie.prototype.name=null,Ie.prototype.nullable=null,Ie.prototype.metadata=null;var Se=T.a.Long,Te=T.a.Builder,Oe=T.a.ByteBuffer,Ue=b.apache.arrow.flatbuf.Block,De=b.apache.arrow.flatbuf.Footer;class Fe{constructor(t,e=S.V4,r,n){this.schema=t,this.version=e,r&&(this._recordBatches=r),n&&(this._dictionaryBatches=n)}static decode(t){t=new Oe(Object(Pt.toUint8Array)(t));const e=De.getRootAsFooter(t),r=ve.decode(e.schema());return new xe(r,e)}static encode(t){const e=new Te,r=ve.encode(e,t.schema);De.startRecordBatchesVector(e,t.numRecordBatches),[...t.recordBatches()].slice().reverse().forEach(t=>Me.encode(e,t));const 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this._footer.dictionariesLength()}getRecordBatch(t){if(t>=0&&t<this.numRecordBatches){const e=this._footer.recordBatches(t);if(e)return Me.decode(e)}return null}getDictionaryBatch(t){if(t>=0&&t<this.numDictionaries){const e=this._footer.dictionaries(t);if(e)return Me.decode(e)}return null}}class Me{static decode(t){return new Me(t.metaDataLength(),t.bodyLength(),t.offset())}static encode(t,e){const{metaDataLength:r}=e,n=new Se(e.offset,0),i=new Se(e.bodyLength,0);return Ue.createBlock(t,n,r,i)}constructor(t,e,r){this.metaDataLength=t,this.offset="number"==typeof r?r:r.low,this.bodyLength="number"==typeof e?e:e.low}}class Le extends p{constructor(t,e){super(),this._children=e,this.numChildren=t.childData.length,this._bindDataAccessors(this.data=t)}get type(){return this.data.type}get typeId(){return this.data.typeId}get length(){return this.data.length}get offset(){return this.data.offset}get stride(){return this.data.stride}get nullCount(){return this.data.nullCount}get 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this.buffer[1]<t.buffer[1]||this.buffer[1]===t.buffer[1]&&this.buffer[0]<t.buffer[0]}equals(t){return this.buffer[1]===t.buffer[1]&&this.buffer[0]==t.buffer[0]}greaterThan(t){return t.lessThan(this)}hex(){return`${Re(this.buffer[1])} ${Re(this.buffer[0])}`}}class Pe extends ke{times(t){return this._times(t),this}plus(t){return this._plus(t),this}static from(t,e=new Uint32Array(2)){return Pe.fromString("string"==typeof t?t:t.toString(),e)}static fromNumber(t,e=new Uint32Array(2)){return Pe.fromString(t.toString(),e)}static fromString(t,e=new Uint32Array(2)){const r=t.length;let n=new Pe(e);for(let i=0;i<r;){const e=je<r-i?je:r-i,s=new Pe(new Uint32Array([parseInt(t.substr(i,e),10),0])),o=new Pe(new Uint32Array([Ce[e],0]));n.times(o),n.plus(s),i+=e}return n}static convertArray(t){const e=new Uint32Array(2*t.length);for(let r=-1,n=t.length;++r<n;)Pe.from(t[r],new Uint32Array(e.buffer,e.byteOffset+2*r*4,2));return e}static multiply(t,e){return new Pe(new 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Uint32Array(e.buffer,e.byteOffset+2*r*4,2));return e}static multiply(t,e){return new ze(new Uint32Array(t.buffer)).times(e)}static add(t,e){return new ze(new Uint32Array(t.buffer)).plus(e)}}class Ye{constructor(t){this.buffer=t}high(){return new ze(new Uint32Array(this.buffer.buffer,this.buffer.byteOffset+8,2))}low(){return new ze(new Uint32Array(this.buffer.buffer,this.buffer.byteOffset,2))}negate(){return this.buffer[0]=1+~this.buffer[0],this.buffer[1]=~this.buffer[1],this.buffer[2]=~this.buffer[2],this.buffer[3]=~this.buffer[3],0==this.buffer[0]&&++this.buffer[1],0==this.buffer[1]&&++this.buffer[2],0==this.buffer[2]&&++this.buffer[3],this}times(t){const e=new Pe(new Uint32Array([this.buffer[3],0])),r=new Pe(new Uint32Array([this.buffer[2],0])),n=new Pe(new Uint32Array([this.buffer[1],0])),i=new Pe(new Uint32Array([this.buffer[0],0])),s=new Pe(new Uint32Array([t.buffer[3],0])),o=new Pe(new Uint32Array([t.buffer[2],0])),a=new Pe(new Uint32Array([t.buffer[1],0])),u=new Pe(new Uint32Array([t.buffer[0],0]));let c=Pe.multiply(i,u);this.buffer[0]=c.low();let l=new Pe(new Uint32Array([c.high(),0]));return c=Pe.multiply(n,u),l.plus(c),c=Pe.multiply(i,a),l.plus(c),this.buffer[1]=l.low(),this.buffer[3]=l.lessThan(c)?1:0,this.buffer[2]=l.high(),new Pe(new Uint32Array(this.buffer.buffer,this.buffer.byteOffset+8,2)).plus(Pe.multiply(r,u)).plus(Pe.multiply(n,a)).plus(Pe.multiply(i,o)),this.buffer[3]+=Pe.multiply(e,u).plus(Pe.multiply(r,a)).plus(Pe.multiply(n,o)).plus(Pe.multiply(i,s)).low(),this}plus(t){let e=new Uint32Array(4);return e[3]=this.buffer[3]+t.buffer[3]>>>0,e[2]=this.buffer[2]+t.buffer[2]>>>0,e[1]=this.buffer[1]+t.buffer[1]>>>0,e[0]=this.buffer[0]+t.buffer[0]>>>0,e[0]<this.buffer[0]>>>0&&++e[1],e[1]<this.buffer[1]>>>0&&++e[2],e[2]<this.buffer[2]>>>0&&++e[3],this.buffer[3]=e[3],this.buffer[2]=e[2],this.buffer[1]=e[1],this.buffer[0]=e[0],this}hex(){return`${Re(this.buffer[3])} ${Re(this.buffer[2])} ${Re(this.buffer[1])} ${Re(this.buffer[0])}`}static multiply(t,e){return new Ye(new Uint32Array(t.buffer)).times(e)}static add(t,e){return new Ye(new Uint32Array(t.buffer)).plus(e)}static from(t,e=new Uint32Array(4)){return Ye.fromString("string"==typeof t?t:t.toString(),e)}static fromNumber(t,e=new Uint32Array(4)){return Ye.fromString(t.toString(),e)}static fromString(t,e=new Uint32Array(4)){const r=t.startsWith("-"),n=t.length;let i=new Ye(e);for(let s=r?1:0;s<n;){const e=je<n-s?je:n-s,r=new Ye(new Uint32Array([parseInt(t.substr(s,e),10),0,0,0])),o=new Ye(new Uint32Array([Ce[e],0,0,0]));i.times(o),i.plus(r),s+=e}return r?i.negate():i}static convertArray(t){const e=new Uint32Array(4*t.length);for(let r=-1,n=t.length;++r<n;)Ye.from(t[r],new Uint32Array(e.buffer,e.byteOffset+16*r,4));return e}}class $e extends Le{static from(t,e=w.MILLISECOND){switch(e){case w.DAY:{const e=Int32Array.from(t.map(t=>t.valueOf()/864e5));return p.new(Yt.Date(new yt,0,t.length,0,null,e))}case w.MILLISECOND:{const 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null;if(null!=t&&e.value.headerType!==t)throw Error(ns(t));return e.value}async readMessageBody(t){if(t<=0)return new Uint8Array(0);const e=Object(Pt.toUint8Array)(await this.source.read(t));if(e.byteLength<t)throw Error(os(t,e.byteLength));return e.byteOffset%8==0&&e.byteOffset+e.byteLength<=e.buffer.byteLength?e:e.slice()}async readSchema(t=!1){const e=B.Schema,r=await this.readMessage(e),n=r&&r.header();if(t&&!n)throw Error(is(e));return n}async readMetadataLength(){const t=await this.source.read(ls),e=t&&new rs(t),r=+(e&&e.readInt32(0));return{done:r<=0,value:r}}async readMetadata(t){const e=await this.source.read(t);if(!e)return Ki.c;if(e.byteLength<t)throw Error(ss(t,e.byteLength));return{done:!1,value:ji.decode(e)}}}class cs extends as{constructor(t){super(new Uint8Array(0)),this._schema=!1,this._body=[],this._batchIndex=0,this._dictionaryIndex=0,this._json=t instanceof Ki.a?t:new Ki.a(t)}next(){const{_json:t,_batchIndex:e,_dictionaryIndex:r}=this,n=t.batches.length,i=t.dictionaries.length;if(!this._schema){return this._schema=!0,{value:ji.fromJSON(t.schema,B.Schema),done:e>=n&&r>=i}}if(r<i){const e=t.dictionaries[this._dictionaryIndex++];return this._body=e.data.columns,{done:!1,value:ji.fromJSON(e,B.DictionaryBatch)}}if(e<n){const e=t.batches[this._batchIndex++];return this._body=e.columns,{done:!1,value:ji.fromJSON(e,B.RecordBatch)}}return this._body=[],Ki.c}readMessageBody(t){return function t(e){return(e||[]).reduce((e,r)=>[...e,...r.VALIDITY&&[r.VALIDITY]||[],...r.TYPE&&[r.TYPE]||[],...r.OFFSET&&[r.OFFSET]||[],...r.DATA&&[r.DATA]||[],...t(r.children)],[])}(this._body)}readMessage(t){let e;if((e=this.next()).done)return null;if(null!=t&&e.value.headerType!==t)throw Error(ns(t));return e.value}readSchema(){const t=B.Schema,e=this.readMessage(t),r=e&&e.header();if(!e||!r)throw Error(is(t));return r}}const ls=4,hs=new Uint8Array(6);for(let ga=0;ga<6;ga+=1)hs[ga]="ARROW1".charCodeAt(ga);function ds(t,e=0){for(let r=-1,n=hs.length;++r<n;)if(hs[r]!==t[e+r])return!1;return!0}const fs=hs.length,ps=fs+ls,ys=2*fs+ls;class bs extends V{constructor(){super(),this._byteLength=0,this._nodes=[],this._buffers=[],this._bufferRegions=[]}static assemble(...t){const e=new bs,r=be(Ms,t),[n=e]=e.visitMany(r);return n}visit(t){if(!G.isDictionary(t.type)){const{data:e,length:r,nullCount:n}=t;if(r>2147483647)throw new RangeError("Cannot write arrays larger than 2^31 - 1 in length");ms.call(this,n<=0?new Uint8Array(0):F(e.offset,r,e.nullBitmap)).nodes.push(new zi(r,n))}return super.visit(t)}visitNull(t){return ms.call(this,new Uint8Array(0))}visitDictionary(t){return this.visit(t.indices)}get nodes(){return this._nodes}get buffers(){return this._buffers}get byteLength(){return this._byteLength}get bufferRegions(){return this._bufferRegions}}function ms(t){const e=t.byteLength+7&-8;return this.buffers.push(t),this.bufferRegions.push(new Pi(this._byteLength,e)),this._byteLength+=e,this}function ws(t){return ms.call(this,t.values.subarray(0,t.length*t.stride))}function gs(t){const{length:e,values:r,valueOffsets:n}=t,i=n[0],s=n[e],o=Math.min(s-i,r.byteLength-i);return ms.call(this,Object(Pt.rebaseValueOffsets)(-n[0],e,n)),ms.call(this,r.subarray(i,i+o)),this}function _s(t){const{length:e,valueOffsets:r}=t;return r&&ms.call(this,Object(Pt.rebaseValueOffsets)(r[0],e,r)),this.visit(t.getChildAt(0))}function vs(t){return this.visitMany(t.type.children.map((e,r)=>t.getChildAt(r)).filter(Boolean))[0]}bs.prototype.visitBool=function(t){let e;return t.nullCount>=t.length?ms.call(this,new Uint8Array(0)):(e=t.values)instanceof Uint8Array?ms.call(this,F(t.offset,t.length,e)):ms.call(this,x(t))},bs.prototype.visitInt=ws,bs.prototype.visitFloat=ws,bs.prototype.visitUtf8=gs,bs.prototype.visitBinary=gs,bs.prototype.visitFixedSizeBinary=ws,bs.prototype.visitDate=ws,bs.prototype.visitTimestamp=ws,bs.prototype.visitTime=ws,bs.prototype.visitDecimal=ws,bs.prototype.visitList=_s,bs.prototype.visitStruct=vs,bs.prototype.visitUnion=function(t){const{type:e,length:r,typeIds:n,valueOffsets:i}=t;if(ms.call(this,n),e.mode===v.Sparse)return vs.call(this,t);if(e.mode===v.Dense){if(t.offset<=0)return ms.call(this,i),vs.call(this,t);{const s=n.reduce((t,e)=>Math.max(t,e),n[0]),o=new Int32Array(s+1),a=new Int32Array(s+1).fill(-1),u=new Int32Array(r),c=Object(Pt.rebaseValueOffsets)(-i[0],r,i);for(let t,e,i=-1;++i<r;)-1===(e=a[t=n[i]])&&(e=a[t]=c[t]),u[i]=c[i]-e,++o[t];ms.call(this,u);for(let n,i=-1,l=e.children.length;++i<l;)if(n=t.getChildAt(i)){const t=e.typeIds[i],s=Math.min(r,o[t]);this.visit(n.slice(a[t],s))}}}return this},bs.prototype.visitInterval=ws,bs.prototype.visitFixedSizeList=_s,bs.prototype.visitMap=vs;class Is extends V{visit(t){return null==t?void 0:super.visit(t)}visitNull({typeId:t}){return{name:m[t].toLowerCase()}}visitInt({typeId:t,bitWidth:e,isSigned:r}){return{name:m[t].toLowerCase(),bitWidth:e,isSigned:r}}visitFloat({typeId:t,precision:e}){return{name:m[t].toLowerCase(),precision:_[e]}}visitBinary({typeId:t}){return{name:m[t].toLowerCase()}}visitBool({typeId:t}){return{name:m[t].toLowerCase()}}visitUtf8({typeId:t}){return{name:m[t].toLowerCase()}}visitDecimal({typeId:t,scale:e,precision:r}){return{name:m[t].toLowerCase(),scale:e,precision:r}}visitDate({typeId:t,unit:e}){return{name:m[t].toLowerCase(),unit:w[e]}}visitTime({typeId:t,unit:e,bitWidth:r}){return{name:m[t].toLowerCase(),unit:g[e],bitWidth:r}}visitTimestamp({typeId:t,timezone:e,unit:r}){return{name:m[t].toLowerCase(),unit:g[r],timezone:e}}visitInterval({typeId:t,unit:e}){return{name:m[t].toLowerCase(),unit:A[e]}}visitList({typeId:t}){return{name:m[t].toLowerCase()}}visitStruct({typeId:t}){return{name:m[t].toLowerCase()}}visitUnion({typeId:t,mode:e,typeIds:r}){return{name:m[t].toLowerCase(),mode:v[e],typeIds:[...r]}}visitDictionary(t){return this.visit(t.dictionary)}visitFixedSizeBinary({typeId:t,byteWidth:e}){return{name:m[t].toLowerCase(),byteWidth:e}}visitFixedSizeList({typeId:t,listSize:e}){return{name:m[t].toLowerCase(),listSize:e}}visitMap({typeId:t,keysSorted:e}){return{name:m[t].toLowerCase(),keysSorted:e}}}class As extends V{static assemble(...t){return(new As).visitMany(me(Ms,t))}visit(t){const{data:e,name:r,length:n}=t,{offset:i,nullCount:s,nullBitmap:o}=e,a=G.isDictionary(t.type)?t.type.indices:t.type,u=Object.assign([],e.buffers,{[I.VALIDITY]:void 0});return{name:r,count:n,VALIDITY:s<=0?Array.from({length:n},()=>1):[...M(o,i,n,null,U)],...super.visit(p.new(e.clone(a,i,n,0,u)))}}visitNull(){return{DATA:[]}}visitBool({values:t,offset:e,length:r}){return{DATA:[...M(t,e,r,null,O)]}}visitInt(t){return{DATA:t.type.bitWidth<64?[...t.values]:[...Ss(t.values,2)]}}visitFloat(t){return{DATA:[...t.values]}}visitUtf8(t){return{DATA:[...t],OFFSET:[...t.valueOffsets]}}visitBinary(t){return{DATA:[...Bs(t)],OFFSET:[...t.valueOffsets]}}visitFixedSizeBinary(t){return{DATA:[...Bs(t)]}}visitDate(t){return{DATA:t.type.unit===w.DAY?[...t.values]:[...Ss(t.values,2)]}}visitTimestamp(t){return{DATA:[...Ss(t.values,2)]}}visitTime(t){return{DATA:t.type.unit<g.MICROSECOND?[...t.values]:[...Ss(t.values,2)]}}visitDecimal(t){return{DATA:[...Ss(t.values,4)]}}visitList(t){return{OFFSET:[...t.valueOffsets],children:t.type.children.map((e,r)=>this.visit(new ce(e,[t.getChildAt(r)])))}}visitStruct(t){return{children:t.type.children.map((e,r)=>this.visit(new ce(e,[t.getChildAt(r)])))}}visitUnion(t){return{TYPE:[...t.typeIds],OFFSET:t.type.mode===v.Dense?[...t.valueOffsets]:void 0,children:t.type.children.map((e,r)=>this.visit(new ce(e,[t.getChildAt(r)])))}}visitInterval(t){return{DATA:[...t.values]}}visitFixedSizeList(t){return{children:t.type.children.map((e,r)=>this.visit(new ce(e,[t.getChildAt(r)])))}}visitMap(t){return{children:t.type.children.map((e,r)=>this.visit(new ce(e,[t.getChildAt(r)])))}}}function*Bs(t){for(const e of t)yield e.reduce((t,e)=>`${t}${("0"+(255&e).toString(16)).slice(-2)}`,"").toUpperCase()}function*Ss(t,e){for(let r=-1,n=t.length/e;++r<n;)yield`${kr.new(t.subarray((r+0)*e,(r+1)*e),!1)}`}class Ts extends Ki.d{constructor(t){super(),this._position=0,this._started=!1,this._sink=new Gi,this._schema=null,this._dictionaryBlocks=[],this._recordBatchBlocks=[],this._autoDestroy=!t||"boolean"!=typeof t.autoDestroy||t.autoDestroy}static throughNode(t){throw Error('"throughNode" not available in this environment')}static throughDOM(t,e){throw Error('"throughDOM" not available in this environment')}toString(t=!1){return this._sink.toString(t)}toUint8Array(t=!1){return this._sink.toUint8Array(t)}writeAll(t){return Object(te.k)(t)?t.then(t=>this.writeAll(t)):Object(te.f)(t)?async function(t,e){for await(const r of e)t.write(r);return t.finish()}(this,t):function(t,e){let r=e;e instanceof xs&&(r=e.chunks,t.reset(void 0,e.schema));for(const n of r)t.write(n);return t.finish()}(this,t)}get closed(){return this._sink.closed}[Symbol.asyncIterator](){return this._sink[Symbol.asyncIterator]()}toDOMStream(t){return this._sink.toDOMStream(t)}toNodeStream(t){return this._sink.toNodeStream(t)}close(){return this.reset()._sink.close()}abort(t){return this.reset()._sink.abort(t)}finish(){return this._autoDestroy?this.close():this.reset(this._sink,this._schema),this}reset(t=this._sink,e=null){return t===this._sink||t instanceof Gi?this._sink=t:(this._sink=new Gi,t&&Object(te.n)(t)?this.toDOMStream({type:"bytes"}).pipeTo(t):t&&Object(te.o)(t)&&this.toNodeStream({objectMode:!1}).pipe(t)),this._started&&this._schema&&this._writeFooter(),this._started=!1,this._dictionaryBlocks=[],this._recordBatchBlocks=[],e&&e.compareTo(this._schema)||(null===e?(this._position=0,this._schema=null):(this._started=!0,this._schema=e,this._writeSchema(e))),this}write(t){let e=null;if(!this._sink)throw Error("RecordBatchWriter is closed");if(null==t)return this.finish()&&void 0;if(t instanceof xs&&!(e=t.schema))return this.finish()&&void 0;if(t instanceof Ms&&!(e=t.schema))return this.finish()&&void 0;if(e&&!e.compareTo(this._schema)){if(this._started&&this._autoDestroy)return this.close();this.reset(this._sink,e)}t instanceof Ms?this._writeRecordBatch(t):t instanceof xs?this.writeAll(t.chunks):Object(te.i)(t)&&this.writeAll(t)}_writeMessage(t,e=8){const r=e-1,n=ji.encode(t),i=n.byteLength,s=i+4+r&~r,o=s-i-4;return t.headerType===B.RecordBatch?this._recordBatchBlocks.push(new Me(s,t.bodyLength,this._position)):t.headerType===B.DictionaryBatch&&this._dictionaryBlocks.push(new Me(s,t.bodyLength,this._position)),this._write(Int32Array.of(s-4)),i>0&&this._write(n),this._writePadding(o)}_write(t){if(this._started){const e=Object(Pt.toUint8Array)(t);e&&e.byteLength>0&&(this._sink.write(e),this._position+=e.byteLength)}return this}_writeSchema(t){return this._writeMessage(ji.from(t))._writeDictionaries(t.dictionaryFields)}_writeFooter(){return this._writePadding(4)}_writeMagic(){return this._write(hs)}_writePadding(t){return t>0?this._write(new Uint8Array(t)):this}_writeRecordBatch(t){const{byteLength:e,nodes:r,bufferRegions:n,buffers:i}=bs.assemble(t),s=new Ci(t.length,r,n),o=ji.from(s,e);return this._writeMessage(o)._writeBodyBuffers(i)}_writeDictionaryBatch(t,e,r=!1){const{byteLength:n,nodes:i,bufferRegions:s,buffers:o}=bs.assemble(t),a=new Ci(t.length,i,s),u=new ki(a,e,r),c=ji.from(u,n);return this._writeMessage(c)._writeBodyBuffers(o)}_writeBodyBuffers(t){let e,r,n;for(let i=-1,s=t.length;++i<s;)(e=t[i])&&(r=e.byteLength)>0&&(this._write(e),(n=(r+7&-8)-r)>0&&this._writePadding(n));return this}_writeDictionaries(t){for(const[e,r]of t){const t=r[0].type.dictionaryVector;if(t instanceof oe){const r=t.chunks;for(let t=-1,n=r.length;++t<n;)this._writeDictionaryBatch(r[t],e,t>0)}else this._writeDictionaryBatch(t,e,!1)}return this}}class Os extends Ts{static writeAll(t,e){return new Os(e).writeAll(t)}}class Us extends Ts{constructor(){super(),this._autoDestroy=!0}static writeAll(t){return(new Us).writeAll(t)}_writeSchema(t){return this._writeMagic()._writePadding(2)._writeDictionaries(t.dictionaryFields)}_writeFooter(){const t=Fe.encode(new Fe(this._schema,S.V4,this._recordBatchBlocks,this._dictionaryBlocks));return this._write(t)._write(Int32Array.of(t.byteLength))._writeMagic()}}class Ds extends Ts{constructor(){super(),this._autoDestroy=!0}static writeAll(t){return(new Ds).writeAll(t)}_writeMessage(){return this}_writeSchema(t){return this._write(`{\n  "schema": ${JSON.stringify({fields:t.fields.map(Fs)},null,2)}`)._writeDictionaries(t.dictionaryFields)}_writeDictionaries(t){return this._write(',\n  "dictionaries": [\n'),super._writeDictionaries(t),this._write("\n  ]")}_writeDictionaryBatch(t,e,r=!1){return this._write(0===this._dictionaryBlocks.length?"    ":",\n    "),this._write(`${function(t,e,r,n=!1){const i=t.dictionaryFields.get(r)[0],s=new Ie(i.name,i.type.dictionary,i.nullable,i.metadata),o=As.assemble(new ce(s,[e]));return JSON.stringify({id:r,isDelta:n,data:{count:e.length,columns:o}},null,2)}(this._schema,t,e,r)}`),this._dictionaryBlocks.push(new Me(0,0,0)),this}_writeRecordBatch(t){return this._write(0===this._recordBatchBlocks.length?',\n  "batches": [\n    ':",\n    "),this._write(`${function(t){return JSON.stringify({count:t.length,columns:As.assemble(t)},null,2)}(t)}`),this._recordBatchBlocks.push(new Me(0,0,0)),this}close(){return this._recordBatchBlocks.length>0&&this._write("\n  ]"),this._schema&&this._write("\n}"),super.close()}}function Fs({name:t,type:e,nullable:r}){const n=new Is;return{name:t,nullable:r,type:n.visit(e),children:(e.children||[]).map(Fs),dictionary:G.isDictionary(e)?{id:e.id,isOrdered:e.isOrdered,indexType:n.visit(e.indices)}:void 0}}class xs extends oe{constructor(...t){let e=null;t[0]instanceof ve&&(e=t.shift());let r=de(Ms,t);if(!e&&!(e=r[0]&&r[0].schema))throw new TypeError("Table must be initialized with a Schema or at least one RecordBatch");r[0]||(r[0]=new Ms(e,0,e.fields.map(t=>Yt.new(t.type,0,0)))),super(new xt(e.fields),r),this._schema=e,this._chunks=r}static empty(){return new xs(new ve([]),[])}static from(t){if(!t)return xs.empty();let e=Ns.from(t);return Object(te.k)(e)?(async()=>await xs.from(await e))():e.isSync()&&(e=e.open())?e.schema?new xs(e.schema,[...e]):xs.empty():(async t=>{const e=await t,r=e.schema,n=[];if(r){for await(let t of e)n.push(t);return new xs(r,n)}return xs.empty()})(e.open())}static async fromAsync(t){return await xs.from(t)}static fromStruct(t){return xs.new(t.data.childData,t.type.children)}static new(...t){return new xs(...(e=fe(t),qn(new ve(e.map(({field:t})=>t)),e)));var e}get schema(){return this._schema}get length(){return this._length}get chunks(){return this._chunks}get numCols(){return this._numChildren}clone(t=this._chunks){return new xs(this._schema,t)}getColumn(t){return this.getColumnAt(this.getColumnIndex(t))}getColumnAt(t){return this.getChildAt(t)}getColumnIndex(t){return this._schema.fields.findIndex(e=>e.name===t)}getChildAt(t){if(t<0||t>=this.numChildren)return null;let e,r;const n=this._schema.fields,i=this._children||(this._children=[]);if(r=i[t])return r;if(e=n[t]){const r=this._chunks.map(e=>e.getChildAt(t)).filter(t=>null!=t);if(r.length>0)return i[t]=new ce(e,r)}return null}serialize(t="binary",e=!0){return(e?Os:Us).writeAll(this._chunks).toUint8Array(!0)}count(){return this._length}select(...t){const e=this._schema.fields.reduce((t,e,r)=>t.set(e.name,r),new Map);return this.selectAt(...t.map(t=>e.get(t)).filter(t=>t>-1))}selectAt(...t){const e=this._schema.selectAt(...t);return new xs(e,this._chunks.map(({length:r,data:{childData:n}})=>new Ms(e,r,t.map(t=>n[t]).filter(Boolean))))}assign(t){const e=this._schema.fields,[r,n]=t.schema.fields.reduce((t,r,n)=>{const[i,s]=t,o=e.findIndex(t=>t.name===r.name);return~o?s[o]=n:i.push(n),t},[[],[]]),i=this._schema.assign(t.schema),s=[...e.map((e,r,i,s=n[r])=>void 0===s?this.getColumnAt(r):t.getColumnAt(s)),...r.map(e=>t.getColumnAt(e))].filter(Boolean);return new xs(...qn(i,s))}}class Ms extends br{constructor(...t){let e,r,n=t[0];if(t[1]instanceof Yt)[,e,r]=t;else{const r=n.fields,[,i,s]=t;e=Yt.Struct(new xt(r),0,i,0,null,s)}super(e,r),this._schema=n}static from(...t){return Ms.new(t[0],t[1])}static new(...t){const[e,r]=pe(t),n=r.filter(t=>t instanceof p);return new Ms(...function(t,e,r=e.reduce((t,e)=>Math.max(t,e.length),0)){let n,i,s=-1,o=e.length;const a=[...t.fields],u=[],c=(r+63&-64)>>3;for(;++s<o;)(n=e[s])&&n.length===r?u[s]=n:((i=a[s]).nullable||(a[s]=a[s].clone({nullable:!0})),u[s]=n?n._changeLengthAndBackfillNullBitmap(r):Yt.new(i.type,0,r,r,Zn(c)));return[new ve(a),r,u]}(new ve(e),n.map(t=>t.data)))}clone(t,e=this._children){return new Ms(this._schema,t,e)}concat(...t){const e=this._schema,r=oe.flatten(this,...t);return new xs(e,r.map(({data:t})=>new Ms(e,t)))}get schema(){return this._schema}get numCols(){return this._schema.fields.length}select(...t){const e=this._schema.fields.reduce((t,e,r)=>t.set(e.name,r),new Map);return this.selectAt(...t.map(t=>e.get(t)).filter(t=>t>-1))}selectAt(...t){const e=this._schema.selectAt(...t),r=t.map(t=>this.data.childData[t]).filter(Boolean);return new Ms(e,this.length,r)}}class Ls extends V{constructor(t,e,r){super(),this.nodesIndex=-1,this.buffersIndex=-1,this.bytes=t,this.nodes=e,this.buffers=r}visit(t){return super.visit(t instanceof Ie?t.type:t)}visitNull(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Null(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitBool(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Bool(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitInt(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Int(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitFloat(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Float(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitUtf8(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Utf8(t,0,e,r,this.readNullBitmap(t,r),this.readOffsets(t),this.readData(t))}visitBinary(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Binary(t,0,e,r,this.readNullBitmap(t,r),this.readOffsets(t),this.readData(t))}visitFixedSizeBinary(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.FixedSizeBinary(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitDate(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Date(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitTimestamp(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Timestamp(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitTime(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Time(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitDecimal(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Decimal(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitList(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.List(t,0,e,r,this.readNullBitmap(t,r),this.readOffsets(t),this.visit(t.children[0]))}visitStruct(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Struct(t,0,e,r,this.readNullBitmap(t,r),this.visitMany(t.children))}visitUnion(t){return t.mode===v.Sparse?this.visitSparseUnion(t):this.visitDenseUnion(t)}visitDenseUnion(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Union(t,0,e,r,this.readNullBitmap(t,r),this.readTypeIds(t),this.readOffsets(t),this.visitMany(t.children))}visitSparseUnion(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Union(t,0,e,r,this.readNullBitmap(t,r),this.readTypeIds(t),this.visitMany(t.children))}visitDictionary(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Dictionary(t,0,e,r,this.readNullBitmap(t,r),this.readData(t.indices))}visitInterval(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Interval(t,0,e,r,this.readNullBitmap(t,r),this.readData(t))}visitFixedSizeList(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.FixedSizeList(t,0,e,r,this.readNullBitmap(t,r),this.visit(t.children[0]))}visitMap(t,{length:e,nullCount:r}=this.nextFieldNode()){return Yt.Map(t,0,e,r,this.readNullBitmap(t,r),this.visitMany(t.children))}nextFieldNode(){return this.nodes[++this.nodesIndex]}nextBufferRange(){return this.buffers[++this.buffersIndex]}readNullBitmap(t,e,r=this.nextBufferRange()){return e>0&&this.readData(t,r)||new Uint8Array(0)}readOffsets(t,e){return this.readData(t,e)}readTypeIds(t,e){return this.readData(t,e)}readData(t,{length:e,offset:r}=this.nextBufferRange()){return this.bytes.subarray(r,r+e)}}class Es extends Ls{constructor(t,e,r){super(new Uint8Array(0),e,r),this.sources=t}readNullBitmap(t,e,{offset:r}=this.nextBufferRange()){return e<=0?new Uint8Array(0):x(this.sources[r])}readOffsets(t,{offset:e}=this.nextBufferRange()){return Object(Pt.toArrayBufferView)(Uint8Array,Object(Pt.toArrayBufferView)(Int32Array,this.sources[e]))}readTypeIds(t,{offset:e}=this.nextBufferRange()){return Object(Pt.toArrayBufferView)(Uint8Array,Object(Pt.toArrayBufferView)(t.ArrayType,this.sources[e]))}readData(t,{offset:e}=this.nextBufferRange()){const{sources:r}=this;return G.isTimestamp(t)?Object(Pt.toArrayBufferView)(Uint8Array,ze.convertArray(r[e])):(G.isInt(t)||G.isTime(t))&&64===t.bitWidth?Object(Pt.toArrayBufferView)(Uint8Array,ze.convertArray(r[e])):G.isDate(t)&&t.unit===w.MILLISECOND?Object(Pt.toArrayBufferView)(Uint8Array,ze.convertArray(r[e])):G.isDecimal(t)?Object(Pt.toArrayBufferView)(Uint8Array,Ye.convertArray(r[e])):G.isBinary(t)||G.isFixedSizeBinary(t)?function(t){const e=t.join(""),r=new Uint8Array(e.length/2);for(let n=0;n<e.length;n+=2)r[n>>1]=parseInt(e.substr(n,2),16);return r}(r[e]):G.isBool(t)?x(r[e]):G.isUtf8(t)?Object(Fr.b)(r[e].join("")):Object(Pt.toArrayBufferView)(Uint8Array,Object(Pt.toArrayBufferView)(t.ArrayType,r[e].map(t=>+t)))}}class Ns extends Ki.d{constructor(t){super(),this._impl=t}get closed(){return this._impl.closed}get schema(){return this._impl.schema}get autoDestroy(){return this._impl.autoDestroy}get dictionaries(){return this._impl.dictionaries}get numDictionaries(){return this._impl.numDictionaries}get numRecordBatches(){return this._impl.numRecordBatches}get footer(){return this._impl.isFile()?this._impl.footer:null}isSync(){return this._impl.isSync()}isAsync(){return this._impl.isAsync()}isFile(){return this._impl.isFile()}isStream(){return this._impl.isStream()}next(){return this._impl.next()}throw(t){return this._impl.throw(t)}return(t){return this._impl.return(t)}cancel(){return this._impl.cancel()}reset(t){return this._impl.reset(t),this._DOMStream=void 0,this._nodeStream=void 0,this}open(t){const e=this._impl.open(t);return Object(te.k)(e)?e.then(()=>this):this}readRecordBatch(t){return this._impl.isFile()?this._impl.readRecordBatch(t):null}[Symbol.iterator](){return this._impl[Symbol.iterator]()}[Symbol.asyncIterator](){return this._impl[Symbol.asyncIterator]()}toDOMStream(){return f.a.toDOMStream(this.isSync()?{[Symbol.iterator]:()=>this}:{[Symbol.asyncIterator]:()=>this})}toNodeStream(){return f.a.toNodeStream(this.isSync()?{[Symbol.iterator]:()=>this}:{[Symbol.asyncIterator]:()=>this},{objectMode:!0})}static throughNode(t){throw Error('"throughNode" not available in this environment')}static throughDOM(t,e){throw Error('"throughDOM" not available in this environment')}static from(t){return t instanceof Ns?t:Object(te.e)(t)?function(t){return new Vs(new Ws(t))}(t):Object(te.h)(t)?async function(t){const{size:e}=await t.stat(),r=new es(t,e);if(e>=ys&&ds(await r.readAt(0,fs+7&-8)))return new Cs(new $s(r));return new Rs(new zs(r))}(t):Object(te.k)(t)?(async()=>await Ns.from(await t))():Object(te.g)(t)||Object(te.l)(t)||Object(te.m)(t)||Object(te.f)(t)?async function(t){const e=await t.peek(fs+7&-8);return e&&e.byteLength>=4?ds(e)?new js(new Ys(await t.read())):new Rs(new zs(t)):new Rs(new zs(async function*(){}()))}(new qi(t)):function(t){const e=t.peek(fs+7&-8);return e&&e.byteLength>=4?ds(e)?new js(new Ys(t.read())):new Vs(new Ps(t)):new Vs(new Ps(function*(){}()))}(new Zi(t))}static readAll(t){return t instanceof Ns?t.isSync()?Js(t):Ks(t):Object(te.e)(t)||ArrayBuffer.isView(t)||Object(te.i)(t)||Object(te.j)(t)?Js(t):Ks(t)}}class Vs extends Ns{constructor(t){super(t),this._impl=t}[Symbol.iterator](){return this._impl[Symbol.iterator]()}async*[Symbol.asyncIterator](){yield*this[Symbol.iterator]()}}class Rs extends Ns{constructor(t){super(t),this._impl=t}[Symbol.iterator](){throw Error("AsyncRecordBatchStreamReader is not Iterable")}[Symbol.asyncIterator](){return this._impl[Symbol.asyncIterator]()}}class js extends Vs{constructor(t){super(t),this._impl=t}}class Cs extends Rs{constructor(t){super(t),this._impl=t}}class ks{constructor(t=new Map){this.closed=!1,this.autoDestroy=!0,this._dictionaryIndex=0,this._recordBatchIndex=0,this.dictionaries=t}get numDictionaries(){return this._dictionaryIndex}get numRecordBatches(){return this._recordBatchIndex}isSync(){return!1}isAsync(){return!1}isFile(){return!1}isStream(){return!1}reset(t){return this._dictionaryIndex=0,this._recordBatchIndex=0,this.schema=t,this.dictionaries=new Map,this}_loadRecordBatch(t,e){return new Ms(this.schema,t.length,this._loadVectors(t,e,this.schema.fields))}_loadDictionaryBatch(t,e){const{id:r,isDelta:n,data:i}=t,{dictionaries:s,schema:o}=this;if(n||!s.get(r)){const t=o.dictionaries.get(r),a=n?s.get(r).concat(p.new(this._loadVectors(i,e,[t])[0])):p.new(this._loadVectors(i,e,[t])[0]);return(o.dictionaryFields.get(r)||[]).forEach(({type:t})=>t.dictionaryVector=a),a}return s.get(r)}_loadVectors(t,e,r){return new Ls(e,t.nodes,t.buffers).visitMany(r)}}class Ps extends ks{constructor(t,e){super(e),this._reader=Object(te.e)(t)?new cs(this._handle=t):new as(this._handle=t)}isSync(){return!0}isStream(){return!0}[Symbol.iterator](){return this}cancel(){!this.closed&&(this.closed=!0)&&(this.reset()._reader.return(),this._reader=null,this.dictionaries=null)}open(t){return this.closed||(this.autoDestroy=Hs(this,t),this.schema||(this.schema=this._reader.readSchema())||this.cancel()),this}throw(t){return!this.closed&&this.autoDestroy&&(this.closed=!0)?this.reset()._reader.throw(t):Ki.c}return(t){return!this.closed&&this.autoDestroy&&(this.closed=!0)?this.reset()._reader.return(t):Ki.c}next(){if(this.closed)return Ki.c;let t,{_reader:e}=this;for(;t=this._readNextMessageAndValidate();)if(t.isSchema())this.reset(t.header());else{if(t.isRecordBatch()){this._recordBatchIndex++;const r=t.header(),n=e.readMessageBody(t.bodyLength);return{done:!1,value:this._loadRecordBatch(r,n)}}if(t.isDictionaryBatch()){this._dictionaryIndex++;const r=t.header(),n=e.readMessageBody(t.bodyLength),i=this._loadDictionaryBatch(r,n);this.dictionaries.set(r.id,i)}}return this.return()}_readNextMessageAndValidate(t){return this._reader.readMessage(t)}}class zs extends ks{constructor(t,e){super(e),this._reader=new us(this._handle=t)}isAsync(){return!0}isStream(){return!0}[Symbol.asyncIterator](){return this}async cancel(){!this.closed&&(this.closed=!0)&&(await this.reset()._reader.return(),this._reader=null,this.dictionaries=null)}async open(t){return this.closed||(this.autoDestroy=Hs(this,t),this.schema||(this.schema=await this._reader.readSchema())||await this.cancel()),this}async throw(t){return!this.closed&&this.autoDestroy&&(this.closed=!0)?await this.reset()._reader.throw(t):Ki.c}async return(t){return!this.closed&&this.autoDestroy&&(this.closed=!0)?await this.reset()._reader.return(t):Ki.c}async next(){if(this.closed)return Ki.c;let t,{_reader:e}=this;for(;t=await this._readNextMessageAndValidate();)if(t.isSchema())await this.reset(t.header());else{if(t.isRecordBatch()){this._recordBatchIndex++;const r=t.header(),n=await e.readMessageBody(t.bodyLength);return{done:!1,value:this._loadRecordBatch(r,n)}}if(t.isDictionaryBatch()){this._dictionaryIndex++;const r=t.header(),n=await e.readMessageBody(t.bodyLength),i=this._loadDictionaryBatch(r,n);this.dictionaries.set(r.id,i)}}return await this.return()}async _readNextMessageAndValidate(t){return await this._reader.readMessage(t)}}class Ys extends Ps{constructor(t,e){super(t instanceof ts?t:new ts(t),e)}get footer(){return this._footer}get numDictionaries(){return this._footer?this._footer.numDictionaries:0}get numRecordBatches(){return this._footer?this._footer.numRecordBatches:0}isSync(){return!0}isFile(){return!0}open(t){if(!this.closed&&!this._footer){this.schema=(this._footer=this._readFooter()).schema;for(const t of this._footer.dictionaryBatches())t&&this._readDictionaryBatch(this._dictionaryIndex++)}return super.open(t)}readRecordBatch(t){if(this.closed)return null;this._footer||this.open();const e=this._footer&&this._footer.getRecordBatch(t);if(e&&this._handle.seek(e.offset)){const t=this._reader.readMessage(B.RecordBatch);if(t&&t.isRecordBatch()){const e=t.header(),r=this._reader.readMessageBody(t.bodyLength);return this._loadRecordBatch(e,r)}}return null}_readDictionaryBatch(t){const e=this._footer&&this._footer.getDictionaryBatch(t);if(e&&this._handle.seek(e.offset)){const t=this._reader.readMessage(B.DictionaryBatch);if(t&&t.isDictionaryBatch()){const e=t.header(),r=this._reader.readMessageBody(t.bodyLength),n=this._loadDictionaryBatch(e,r);this.dictionaries.set(e.id,n)}}}_readFooter(){const{_handle:t}=this,e=t.size-ps,r=t.readInt32(e),n=t.readAt(e-r,r);return Fe.decode(n)}_readNextMessageAndValidate(t){if(this._footer||this.open(),this._footer&&this._recordBatchIndex<this.numRecordBatches){const e=this._footer&&this._footer.getRecordBatch(this._recordBatchIndex);if(e&&this._handle.seek(e.offset))return this._reader.readMessage(t)}return null}}class $s extends zs{constructor(t,...e){const r="number"!=typeof e[0]?e.shift():void 0,n=e[0]instanceof Map?e.shift():void 0;super(t instanceof es?t:new es(t,r),n)}get footer(){return this._footer}get numDictionaries(){return this._footer?this._footer.numDictionaries:0}get numRecordBatches(){return this._footer?this._footer.numRecordBatches:0}isFile(){return!0}isAsync(){return!0}async open(t){if(!this.closed&&!this._footer){this.schema=(this._footer=await this._readFooter()).schema;for(const t of this._footer.dictionaryBatches())t&&await this._readDictionaryBatch(this._dictionaryIndex++)}return await super.open(t)}async readRecordBatch(t){if(this.closed)return null;this._footer||await this.open();const e=this._footer&&this._footer.getRecordBatch(t);if(e&&await this._handle.seek(e.offset)){const t=await this._reader.readMessage(B.RecordBatch);if(t&&t.isRecordBatch()){const e=t.header(),r=await this._reader.readMessageBody(t.bodyLength);return this._loadRecordBatch(e,r)}}return null}async _readDictionaryBatch(t){const e=this._footer&&this._footer.getDictionaryBatch(t);if(e&&await this._handle.seek(e.offset)){const t=await this._reader.readMessage(B.DictionaryBatch);if(t&&t.isDictionaryBatch()){const e=t.header(),r=await this._reader.readMessageBody(t.bodyLength),n=this._loadDictionaryBatch(e,r);this.dictionaries.set(e.id,n)}}}async _readFooter(){const{_handle:t}=this;t._pending&&await t._pending;const e=t.size-ps,r=await t.readInt32(e),n=await t.readAt(e-r,r);return Fe.decode(n)}async _readNextMessageAndValidate(t){if(this._footer||await this.open(),this._footer&&this._recordBatchIndex<this.numRecordBatches){const e=this._footer.getRecordBatch(this._recordBatchIndex);if(e&&await this._handle.seek(e.offset))return await this._reader.readMessage(t)}return null}}class Ws extends Ps{constructor(t,e){super(t,e)}_loadVectors(t,e,r){return new Es(e,t.nodes,t.buffers).visitMany(r)}}function Hs(t,e){return e&&"boolean"==typeof e.autoDestroy?e.autoDestroy:t.autoDestroy}function*Js(t){const e=Ns.from(t);try{if(!e.open({autoDestroy:!1}).closed)do{yield e}while(!e.reset().open().closed)}finally{e.cancel()}}async function*Ks(t){const e=await Ns.from(t);try{if(!(await e.open({autoDestroy:!1})).closed)do{yield e}while(!(await e.reset().open()).closed)}finally{await e.cancel()}}class Gs{constructor(t){this.length=0,this.nullCount=0,this.offset=0,this._bytesUsed=0,this._bytesReserved=0;const e=t.type,r=t.nullValues;this.stride=kt(this._type=e),this.children=(e.children||[]).map(t=>new Gs(t.type)),this.nullValues=Object.freeze(r||[]),this.nullBitmap=new Uint8Array(0),this.nullValues.length&&(this._isValid=eo(this.nullValues),this.children.forEach(t=>{t._isValid=this._isValid,t.nullValues=this.nullValues,t.nullBitmap=new Uint8Array(0)}))}get type(){return this._type}get bytesUsed(){return this._bytesUsed}get bytesReserved(){return this._bytesReserved}get ArrayType(){return this._type.ArrayType}*readAll(t,e=1/0){for(const r of t)this.write(r).length>=e&&(yield this.flush());this.finish().length>0&&(yield this.flush())}async*readAllAsync(t,e=1/0){for await(const r of t)this.write(r).length>=e&&(yield this.flush());this.finish().length>0&&(yield this.flush())}isValid(t){return this._isValid(t)}write(t){const e=this.length;return this.writeValid(this.isValid(t),e)&&this.writeValue(t,e),this._updateBytesUsed(e,this.length=e+1)}writeValue(t,e){this._setValue(this,e,t)}writeValid(t,e){return t||++this.nullCount,D(this._getNullBitmap(e),e,t),t}_updateBytesUsed(t,e){return t%512||(this._bytesUsed+=64),this}flush(){const{length:t,nullCount:e}=this;let{valueOffsets:r,values:n,nullBitmap:i,typeIds:s}=this;r?(r=to(r,Qs(t,4)),n&&(n=to(n,Qs(r[t],n.BYTES_PER_ELEMENT)))):n&&(n=to(n,Qs(t*this.stride,n.BYTES_PER_ELEMENT))),i&&(i=0===e?new Uint8Array(0):to(i,Qs(t>>3,1)||64)),s&&(s=to(s,Qs(t,1)));const o=Yt.new(this._type,0,t,e,[r,n,i,s],this.children.map(t=>t.flush()));return this.reset(),o}finish(){return this.children.forEach(t=>t.finish()),this}reset(){return this.length=0,this.nullCount=0,this._bytesUsed=0,this._bytesReserved=0,this.values&&(this.values=this.values.subarray(0,0)),this.typeIds&&(this.typeIds=this.typeIds.subarray(0,0)),this.nullBitmap&&(this.nullBitmap=this.nullBitmap.subarray(0,0)),this.valueOffsets&&(this.valueOffsets=this.valueOffsets.subarray(0,0)),this}_getNullBitmap(t){let e=this.nullBitmap;return t>>3>=e.length&&(t=Qs(t,1)||32,this.nullBitmap=e=Object(Pt.memcpy)(new Uint8Array(2*t),e)),e}_getValueOffsets(t){let e=this.valueOffsets;return t>=e.length-1&&(t=Qs(t,4)||8,this.valueOffsets=e=Object(Pt.memcpy)(new Int32Array(2*t),e)),e}_getValues(t){let{stride:e,values:r}=this;if(t*e>=r.length){let{ArrayType:n}=this,i=n.BYTES_PER_ELEMENT;t=Qs(t,i)||32/i,this.values=r=Object(Pt.memcpy)(new n(t*e*2),r)}return r}_getValuesBitmap(t){let e=this.values;return t>>3>=e.length&&(t=Qs(t,1)||32,this.values=e=Object(Pt.memcpy)(new Uint8Array(2*t),e)),e}_getTypeIds(t){let e=this.typeIds;return t>=e.length&&(t=Qs(t,1)||32,this.typeIds=e=Object(Pt.memcpy)(new Int8Array(2*t),e)),e}}Gs.prototype._isValid=eo([null,void 0]);class Zs extends Gs{constructor(t){super(t),this.values=new this.ArrayType(0),this.BYTES_PER_ELEMENT=this.stride*this.ArrayType.BYTES_PER_ELEMENT}get bytesReserved(){return this.values.byteLength+this.nullBitmap.byteLength}writeValue(t,e){return this._getValues(e),super.writeValue(t,e)}_updateBytesUsed(t,e){return this._bytesUsed+=this.BYTES_PER_ELEMENT,super._updateBytesUsed(t,e)}}class qs extends Gs{constructor(t){super(t),this.valueOffsets=new Int32Array(0)}get bytesReserved(){return this.valueOffsets.byteLength+this.nullBitmap.byteLength+Qs(this.valueOffsets[this.length],1)}writeValid(t,e){if(!super.writeValid(t,e)){const t=this._getValueOffsets(e);t[e+1]=t[e]}return t}writeValue(t,e){const r=this._getValueOffsets(e);r[e+1]=r[e]+t.length,(this._values||(this._values=new Map)).set(e,t),this._bytesUsed+=t.length,this._bytesReserved+=t.length}_updateBytesUsed(t,e){return this._bytesUsed+=4,super._updateBytesUsed(t,e)}flush(){return this.values=new Uint8Array(Qs(this.valueOffsets[this.length],1)),this._values&&((t,e)=>{let r,n=-1;for(;++n<e;)void 0!==(r=t.get(n))&&super.writeValue(r,n)})(this._values,this.length),this._values=void 0,super.flush()}}class Xs extends Gs{get bytesUsed(){return this.children.reduce((t,{bytesUsed:e})=>t+e,this._bytesUsed)}get bytesReserved(){return this.children.reduce((t,{bytesReserved:e})=>t+e,this.nullBitmap.byteLength)}getChildAt(t){return this.children[t]}}function Qs(t,e){return(t*e+63&-64)/e}function to(t,e=0){return t.length>=e?t.subarray(0,e):Object(Pt.memcpy)(new t.constructor(e),t,0)}function eo(t){if(!t||t.length<=0)return function(t){return!0};let e="",r=t.filter(t=>t==t);return r.length>0&&(e=`\n    switch (x) {${r.map(t=>`\n        case ${function(t){return"bigint"!=typeof 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