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@uwdata/flechette

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@uwdata/flechette - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

2

dist/flechette.min.js

@@ -1,2 +0,2 @@

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function(t,e){return t.addObject(1,(t=>{t.addInt16(0,e.unit,u.MILLISECOND)}))}(t,e);case i.FixedSizeBinary:case i.FixedSizeList:return function(t,e){return t.addObject(1,(t=>{t.addInt32(0,e.stride,0)}))}(t,e);case i.Map:return function(t,e){return t.addObject(1,(t=>{t.addInt8(0,+e.keysSorted,0)}))}(t,e);case i.Union:return function(t,e){const n=t.addVector(e.typeIds,4,4,((t,e)=>t.addInt32(e)));return t.addObject(2,(t=>{t.addInt16(0,e.mode,d.Sparse),t.addOffset(1,n,0)}))}(t,e)}return t.addObject(0)}const En=1===new Uint16Array(new Uint8Array([1,0]).buffer)[0];function Dn(t,e){const{fields:n,metadata:s}=e,r=n.map((e=>An(t,e))),i=t.addOffsetVector(r),a=On(t,s);return t.addObject(4,(t=>{t.addInt16(0,+!En,0),t.addOffset(1,i,0),t.addOffset(2,a,0)}))}function An(t,e){const{name:n,nullable:s,type:r,metadata:a}=e;let{typeId:c}=r,u=0,o=0;if(c!==i.Dictionary)u=Ln(t,r);else{const e=r.dictionary;c=e.typeId,o=Ln(t,r),u=Ln(t,e)}const 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n.buffer(e.validity),n.buffer(e.offsets),void n.buffer(e.values);case i.BinaryView:case i.Utf8View:return n.buffer(e.validity),n.buffer(e.values),n.variadic(e.data.length),void e.data.forEach((t=>n.buffer(t)));case i.List:case i.LargeList:case i.Map:return n.buffer(e.validity),n.buffer(e.offsets),void n.children(t,e);case i.ListView:case i.LargeListView:return n.buffer(e.validity),n.buffer(e.offsets),n.buffer(e.sizes),void n.children(t,e);case i.FixedSizeList:case i.Struct:return n.buffer(e.validity),void n.children(t,e);case i.RunEndEncoded:return void n.children(t,e);case i.Union:return n.buffer(e.typeIds),t.mode===d.Dense&&n.buffer(e.offsets),void n.children(t,e);default:throw new Error(C(s))}}function zn(t){return new Rn(t)}class Rn{constructor(t=l){this.buf=new t(512)}array(t){return function(t,e=t.length){const n=function(t,e=1){return(t*e+7&-8)/e}(e,t.BYTES_PER_ELEMENT);return 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v){case"string":l++;break;case"number":a++,v<y&&(y=v),v>p&&(p=v),Number.isInteger(v)&&c++;break;case"bigint":u++,void 0===t?t=e=v:(v<t&&(t=v),v>e&&(e=v));break;case"boolean":i++;break;case"object":if(v instanceof Date)o++,+v%864e5==0&&d++;else if(L(v)){h++;const t=v.length;t<b&&(b=t),t>I&&(I=t),n??=Jn(),v.forEach(n.add)}else{f++;for(const t in v){(g[t]??(g[t]=Jn())).add(v[t])}}}else r++},type(){const v=s-r;return 0===v?z():c===v?function(t,e){const n=Math.max(Math.abs(t)-1,e);return n<128?_():n<32768?$():n<2**31?Y():K()}(y,p):a===v?K():u===v?function(t,e){const n=-t>e?-t-1n:e;if(n>=2**63)throw new Error(`BigInt exceeds 64 bits: ${n}`);return P()}(t,e):i===v?tt():d===v?st():o===v?it():l===v?k(Z()):h===v?function(t,e,n){return n===e?lt(t,e):ct(t)}(n.type(),b,I):f===v?ut(Object.entries(g).map((t=>V(t[0],t[1].type())))):function(){throw new Error("Mixed types detected, please define a union type.")}()}}}class Xn extends Pn{constructor(t,e){super(t,e),this.toOffset=Nt(t.offsets)}init(){return this.offsets=zn(this.type.offsets),this.values=zn(),this.pos=0,super.init()}set(t,e){const{offsets:n,values:s,toOffset:r}=this;super.set(t,e)&&(s.write(t,this.pos),this.pos+=t.length),n.set(r(this.pos),e+1)}done(){return{...super.done(),offsets:this.offsets.array(this.index+2),values:this.values.array(this.pos+1)}}}class qn extends Pn{constructor(t,e){super(t,e)}init(){return this.values=_n(),super.init()}set(t,e){super.set(t,e),t&&this.values.set(e)}done(){return{...super.done(),values:this.values.array(1+(this.index>>3))}}}class Kn extends Pn{constructor(t,e){super(t,e),this.scale=10**t.scale,this.stride=t.bitWidth>>6}init(){return this.values=zn(this.type.values),super.init()}set(t,e){const{scale:n,stride:s,values:r}=this;super.set(t,e)&&(r.prep((e+1)*s),function(t,e,n,s,r){const i="bigint"==typeof t?t:At(Math.trunc(t*r));e[n]=i,e[n+1]=i>>64n,s>2&&(e[n+2]=i>>128n,e[n+3]=i>>192n)}(t,r.buf,e*s,s,n))}done(){const{index:t,stride:e,values:n}=this;return{...super.done(),values:n.array((t+1)*e)}}}class Qn extends Pn{constructor(t,e){super(t,e),this.stride=t.stride}init(){return this.values=zn(),super.init()}set(t,e){super.set(t,e)&&this.values.write(t,e*this.stride)}done(){const{stride:t,values:e}=this;return{...super.done(),values:e.array(t*(this.index+1))}}}class Zn extends Pn{constructor(t,e){super(t,e),this.child=e.builder(this.type.children[0].type),this.stride=t.stride}init(){return this.child.init(),super.init()}set(t,e){const{child:n,stride:s}=this,r=e*s;if(super.set(t,e))for(let e=0;e<s;++e)n.set(t[e],r+e);else n.index=r+s}done(){const{child:t}=this;return{...super.done(),children:[t.batch()]}}}class ts extends Pn{init(){return this.values=zn(this.type.values),super.init()}set(t,e){if(super.set(t,e)){const n=e<<1;this.values.set(t[0],n),this.values.set(t[1],n+1)}}done(){return{...super.done(),values:this.values.array(this.index+1<<1)}}}class es extends Pn{init(){return this.values=zn(),super.init()}set(t,e){super.set(t,e)&&this.values.write(function([t,e,n]){return Lt[0]=t,Lt[1]=e,xt[1]=At(n),Et}(t),e<<4)}done(){return{...super.done(),values:this.values.array(this.index+1<<4)}}}class ns extends Pn{constructor(t,e,n){super(t,e),this.child=n}init(){this.child.init();const t=this.type.offsets;return this.offsets=zn(t),this.toOffset=Nt(t),this.pos=0,super.init()}done(){return{...super.done(),offsets:this.offsets.array(this.index+2),children:[this.child.batch()]}}}class ss extends ns{constructor(t,e){super(t,e,e.builder(t.children[0].type))}set(t,e){const{child:n,offsets:s,toOffset:r}=this;super.set(t,e)&&t.forEach((t=>n.set(t,this.pos++))),s.set(r(this.pos),e+1)}}class rs extends Pn{constructor(t,e){super(t,e),this.children=t.children.map((t=>e.builder(t.type)))}init(){return this.children.forEach((t=>t.init())),super.init()}done(){const{children:t}=this;return t.forEach((t=>t.index=this.index)),{...super.done(),children:t.map((t=>t.batch()))}}}class is extends rs{constructor(t,e){super(t,e),this.setters=this.children.map(((e,n)=>{const s=t.children[n].name;return(t,n)=>e.set(t?.[s],n)}))}set(t,e){super.set(t,e);const n=this.setters;for(let s=0;s<n.length;++s)n[s](t,e)}}class as extends ns{constructor(t,e){super(t,e,new cs(t.children[0].type,e))}set(t,e){const{child:n,offsets:s,toOffset:r}=this;if(super.set(t,e))for(const e of t)n.set(e,this.pos++);s.set(r(this.pos),e+1)}}class cs extends rs{set(t,e){super.set(t,e);const[n,s]=this.children;n.set(t[0],e),s.set(t[1],e)}}const us={};class os extends Yn{constructor(t,e){super(t,e),this.children=t.children.map((t=>e.builder(t.type)))}init(){return this.pos=0,this.key=null,this.value=us,this.children.forEach((t=>t.init())),super.init()}next(){const[t,e]=this.children;t.set(this.index+1,this.pos),e.set(this.value,this.pos++)}set(t,e){if(t!==this.value){const e=Rt(t);e!==this.key&&(this.key&&this.next(),this.key=e,this.value=t)}this.index=e}done(){this.next();const{children:t,index:e,type:n}=this;return{length:e+1,nullCount:0,type:n,children:t.map((t=>t.batch()))}}}class ds extends Yn{constructor(t,e){super(t,e),this.children=t.children.map((t=>e.builder(t.type))),this.typeMap=t.typeMap,this.lookup=t.typeIdForValue}init(){return this.nullCount=0,this.typeIds=zn(p),this.children.forEach((t=>t.init())),super.init()}set(t,e){const{children:n,lookup:s,typeMap:r,typeIds:i}=this;this.index=e;const a=s(t,e),c=n[r[a]];i.set(a,e),null==t&&++this.nullCount,this.update(t,e,c)}done(){const{children:t,nullCount:e,type:n,typeIds:s}=this,r=this.index+1;return{length:r,nullCount:e,type:n,typeIds:s.array(r),children:t.map((t=>t.batch()))}}}class ls extends ds{update(t,e,n){n.set(t,e),this.children.forEach((t=>{t!==n&&t.set(null,e)}))}}class hs extends ds{init(){return this.offsets=zn(this.type.offsets),super.init()}update(t,e,n){const s=n.index+1;n.set(t,s),this.offsets.set(s,e)}done(){return{...super.done(),offsets:this.offsets.array(this.index+1)}}}class fs extends Xn{set(t,e){super.set(t&&zt(t),e)}}class ys extends Pn{constructor(t,e){super(t,e),this.values=zn(t.values)}init(){return this.values=zn(this.type.values),super.init()}set(t,e){super.set(t,e)&&this.values.set(t,e)}done(){return{...super.done(),values:this.values.array(this.index+1)}}}class ps extends ys{set(t,e){super.set(null==t?t:At(t),e)}}class bs extends ys{constructor(t,e,n){super(t,e),this.transform=n}set(t,e){super.set(null==t?t:this.transform(t),e)}}function Is(t={},e=Hn()){return{batchType:e=>Ke(e,t),builder(t){return gs(t,this)},dictionary(t){return e.get(t,this)},finish:()=>e.finish(t)}}function gs(t,e=Is()){const{typeId:n}=t;switch(n){case i.Int:case i.Time:case i.Duration:return E(t.values)?new ps(t,e):new ys(t,e);case i.Float:return t.precision?new ys(t,e):new bs(t,e,Ut);case i.Binary:case i.LargeBinary:return new Xn(t,e);case i.Utf8:case i.LargeUtf8:return new fs(t,e);case i.Bool:return new qn(t,e);case i.Decimal:return new Kn(t,e);case i.Date:return new bs(t,e,t.unit?At:St);case i.Timestamp:return new bs(t,e,(s=t.unit)===u.SECOND?t=>At(t/1e3):s===u.MILLISECOND?At:s===u.MICROSECOND?t=>At(1e3*t):t=>At(1e6*t));case i.Interval:switch(t.unit){case o.DAY_TIME:return new ts(t,e);case o.MONTH_DAY_NANO:return new es(t,e)}return new ys(t,e);case i.List:case i.LargeList:return new ss(t,e);case i.Struct:return new is(t,e);case i.Union:return t.mode?new hs(t,e):new ls(t,e);case i.FixedSizeBinary:return new Qn(t,e);case i.FixedSizeList:return new Zn(t,e);case i.Map:return new as(t,e);case i.RunEndEncoded:return new os(t,e);case i.Dictionary:return new Wn(t,e)}var s;throw new Error(C(n))}function vs(t,e,n,s,r){n??=Gn(e);const{maxBatchRows:a,...c}=s,u=Math.min(a||1/0,t);if(n.typeId===i.Null)return new Xe(function(t,e,n){const s=[],r=e=>new ce({length:e,nullCount:e,type:t}),i=Math.floor(e/n);for(let t=0;t<i;++t)s.push(r(n));const a=e%n;a&&s.push(r(a));return s}(n,t,u));const o=Is(c,r),d=gs(n,o).init(),l=[],h=t=>l.push(t.batch());let f=0;return e((t=>{d.set(t,f++),f>=u&&(h(d),f=0)})),f&&h(d),o.finish(),new Xe(l)}function ws(t,e,n={},s){return!e&&O(t)?function(t,{maxBatchRows:e,useBigInt:n}){const s=t.constructor,r=function(t){switch(t){case v:return q();case w:return K();case p:return _();case b:return $();case I:return Y();case g:return P();case l:return H();case h:return W();case f:return G();case y:return J()}}(s),i=t.length,a=Math.min(e||1/0,i),c=Math.floor(i/a),u=[],o=E(s)&&!n?ue:re,d=(e,n)=>u.push(new o({length:n-e,nullCount:0,type:r,validity:new l(0),values:t.subarray(e,n)}));let m=0;for(let t=0;t<c;++t)d(m,m+=a);m<i&&d(m,i);return new Xe(u)}(t,n):vs(t.length,(e=>t.forEach(e)),e,n,s)}function ms(t,e){const r=[],i=Array.isArray(t)?t:Object.entries(t),a=i[0]?.[1].length,c=i.map((([t,e])=>{if(e.length!==a)throw new Error("All columns must have the same length.");return r.push(V(t,e.type)),e})),u={version:n.V5,endianness:s.Little,fields:r,metadata:null};return new qe(u,c,e)}t.Batch=se,t.Column=Xe,t.DateUnit=c,t.Endianness=s,t.IntervalUnit=o,t.Precision=a,t.Table=qe,t.TimeUnit=u,t.Type=i,t.UnionMode=d,t.Version=n,t.batchType=Ke,t.binary=Q,t.binaryView=()=>j(i.BinaryView),t.bool=tt,t.columnFromArray=ws,t.columnFromValues=vs,t.date=nt,t.dateDay=st,t.dateMillisecond=()=>nt(c.MILLISECOND),t.decimal=et,t.dictionary=k,t.dictionaryContext=Hn,t.duration=ft,t.field=V,t.fixedSizeBinary=dt,t.fixedSizeList=lt,t.float=X,t.float16=()=>X(a.HALF),t.float32=q,t.float64=K,t.int=R,t.int16=$,t.int32=Y,t.int64=P,t.int8=_,t.interval=at,t.largeBinary=yt,t.largeList=bt,t.largeListView=vt,t.largeUtf8=pt,t.list=ct,t.listView=gt,t.map=(t,e,n=!1)=>ht(n,V("entries",ut([F(t,"key",!1),F(e,"value")]),!1)),t.nullType=z,t.runEndEncoded=It,t.struct=ut,t.tableFromArrays=function(t,e={}){const{types:n={},...s}=e,r=Hn();return ms((Array.isArray(t)?t:Object.entries(t)).map((([t,e])=>[t,ws(e,n[t],s,r)])),e.useProxy)},t.tableFromColumns=ms,t.tableFromIPC=function(t,e){return function(t,e={}){const{schema:n={fields:[]},dictionaries:s,records:r}=t,{version:a,fields:c}=n,u=new Map,o=function(t,e,n){const s={version:e,options:t,dictionary:t=>n.get(t)};return t=>{const{length:e,nodes:n,regions:r,variadic:i,body:a}=t;let c=-1,u=-1,o=-1;return{...s,length:e,node:()=>n[++c],buffer:t=>{const{length:e,offset:n}=r[++u];return t?new t(a.buffer,a.byteOffset+n,e/t.BYTES_PER_ELEMENT):a.subarray(n,n+e)},variadic:()=>i[++o],visit(t){return t.map((t=>bn(t.type,this)))}}}}(e,a,u),d=new Map;!function(t,e){t.fields.forEach((function t(n){e(n),n.type.dictionary?.children?.forEach(t),n.type.children?.forEach(t)}))}(n,(t=>{const e=t.type;e.typeId===i.Dictionary&&d.set(e.id,e.dictionary)}));const l=new Map;for(const t of s){const{id:e,data:n,isDelta:s,body:r}=t,i=bn(d.get(e),o({...n,body:r}));if(l.has(e)){const t=l.get(e);s||t.clear(),t.add(i)}else{if(s)throw new Error("Delta update can not be first dictionary batch.");l.set(e,Je().add(i))}}l.forEach(((t,e)=>u.set(e,t.done())));const h=c.map((()=>Je()));for(const t of r){const e=o(t);c.forEach(((t,n)=>h[n].add(bn(t.type,e))))}return new qe(n,h.map((t=>t.done())),e.useProxy)}(pn(t),e)},t.tableToIPC=function(t,e){"string"==typeof e&&(e={format:e});const n=t.children;!function(t){const e=t[0]?.data.map((t=>t.length));t.forEach((({data:t})=>{if(t.length!==e.length||t.some(((t,n)=>t.length!==e[n])))throw new Error("Columns have inconsistent batch sizes.")}))}(n);const{dictionaries:s,idMap:r}=function(t){const e=[],n=new Map,s=new Map;let r=-1;const i=t=>{if(n.has(t))s.set(t.type,n.get(t));else{n.set(t,++r);for(let n=0;n<t.data.length;++n)e.push({id:r,isDelta:n>0,data:jn([t],n)});s.set(t.type,r)}};return t.forEach((t=>Fn(t.data[0],i))),{dictionaries:e,idMap:s}}(n),a=function(t){return(t[0]?.data||[]).map(((e,n)=>jn(t,n)))}(n),c=function(t,e){if(!e.size)return t;const n=t=>{t.typeId===i.Dictionary&&(t.id=e.get(t.dictionary),r(t)),t.children&&(t.children=t.children.slice()).forEach(s)},s=(t,e,s)=>{const r={...t.type};s[e]={...t,type:r},n(r)},r=t=>{const e={...t.dictionary};t.dictionary=e,n(e)};return t={...t,fields:t.fields.slice()},t.fields.forEach(s),t}(t.schema,r);return Tn({schema:c,dictionaries:s,records:a},e).finish()},t.time=rt,t.timeMicrosecond=()=>rt(u.MICROSECOND,64),t.timeMillisecond=()=>rt(u.MILLISECOND,32),t.timeNanosecond=()=>rt(u.NANOSECOND,64),t.timeSecond=()=>rt(u.SECOND,32),t.timestamp=it,t.uint16=W,t.uint32=G,t.uint64=J,t.uint8=H,t.union=ot,t.utf8=Z,t.utf8View=()=>j(i.Utf8View)}));
//# sourceMappingURL=flechette.min.js.map

2

package.json
{
"name": "@uwdata/flechette",
"version": "1.0.0",
"version": "1.0.1",
"description": "Fast, lightweight access to Apache Arrow data.",

@@ -5,0 +5,0 @@ "keywords": [

3

src/build/column-from-array.js

@@ -45,5 +45,6 @@ import { float32Array, float64Array, int16Array, int32Array, int64Array, int8Array, isInt64ArrayType, isTypedArray, uint16Array, uint32Array, uint64Array, uint8Array } from '../util/arrays.js';

const add = (start, end) => batches.push(new batchType({
length: limit,
length: end - start,
nullCount: 0,
type,
validity: new uint8Array(0),
values: values.subarray(start, end)

@@ -50,0 +51,0 @@ }));

dist/flechette.cjs

Sorry, the diff of this file is not supported yet

dist/flechette.min.js.map

Sorry, the diff of this file is not supported yet

dist/flechette.mjs

Sorry, the diff of this file is not supported yet

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