@uwdata/mosaic-sql - npm Package Compare versions

Comparing version 0.5.0 to 0.6.0

dist/mosaic-sql.js

@@ -509,4 +509,3 @@ // src/ref.js
 var epoch_ms = (expr) => {
-  const d = asColumn(expr);
-  return sql`(1000 * (epoch(${d}) - second(${d})) + millisecond(${d}))::DOUBLE`;
+  return sql`epoch_ms(${asColumn(expr)})`;
 };
@@ -932,2 +931,85 @@ var dateMonth = (expr) => {
 
+// src/scales.js
+var identity = (x2) => x2;
+function scaleLinear() {
+  return {
+    apply: identity,
+    invert: identity,
+    sqlApply: asColumn,
+    sqlInvert: identity
+  };
+}
+function scaleLog({ base } = {}) {
+  if (base == null || base === Math.E) {
+    return {
+      apply: Math.log,
+      invert: Math.exp,
+      sqlApply: (c) => sql`LN(${asColumn(c)})`,
+      sqlInvert: (c) => sql`EXP(${c})`
+    };
+  } else if (base === 10) {
+    return {
+      apply: Math.log10,
+      invert: (x2) => Math.pow(10, x2),
+      sqlApply: (c) => sql`LOG(${asColumn(c)})`,
+      sqlInvert: (c) => sql`POW(10, ${c})`
+    };
+  } else {
+    const b = +base;
+    return {
+      apply: (x2) => Math.log(x2) / Math.log(b),
+      invert: (x2) => Math.pow(b, x2),
+      sqlApply: (c) => sql`LN(${asColumn(c)}) / LN(${b})`,
+      sqlInvert: (c) => sql`POW(${b}, ${c})`
+    };
+  }
+}
+function scaleSymlog({ constant = 1 } = {}) {
+  const _ = +constant;
+  return {
+    apply: (x2) => Math.sign(x2) * Math.log1p(Math.abs(x2)),
+    invert: (x2) => Math.sign(x2) * Math.exp(Math.abs(x2) - _),
+    sqlApply: (c) => (c = asColumn(c), sql`SIGN(${c}) * LN(${_} + ABS(${c}))`),
+    sqlInvert: (c) => sql`SIGN(${c}) * (EXP(ABS(${c})) - ${_})`
+  };
+}
+function scaleSqrt() {
+  return {
+    apply: (x2) => Math.sign(x2) * Math.sqrt(Math.abs(x2)),
+    invert: (x2) => Math.sign(x2) * x2 * x2,
+    sqlApply: (c) => (c = asColumn(c), sql`SIGN(${c}) * SQRT(ABS(${c}))`),
+    sqlInvert: (c) => sql`SIGN(${c}) * (${c}) ** 2`
+  };
+}
+function scalePow({ exponent = 1 } = {}) {
+  const e = +exponent;
+  return {
+    apply: (x2) => Math.sign(x2) * Math.pow(Math.abs(x2), e),
+    invert: (x2) => Math.sign(x2) * Math.pow(Math.abs(x2), 1 / e),
+    sqlApply: (c) => (c = asColumn(c), sql`SIGN(${c}) * POW(ABS(${c}), ${e})`),
+    sqlInvert: (c) => sql`SIGN(${c}) * POW(ABS(${c}), 1/${e})`
+  };
+}
+function scaleTime() {
+  return {
+    apply: (x2) => +x2,
+    invert: (x2) => new Date(x2),
+    sqlApply: (c) => c instanceof Date ? +c : epoch_ms(asColumn(c)),
+    sqlInvert: identity
+  };
+}
+var scales = {
+  linear: scaleLinear,
+  log: scaleLog,
+  symlog: scaleSymlog,
+  sqrt: scaleSqrt,
+  pow: scalePow,
+  time: scaleTime,
+  utc: scaleTime
+};
+function scaleTransform(options) {
+  const scale = scales[options.type];
+  return scale ? { ...options, ...scale(options) } : null;
+}
+
 // src/load/create.js
@@ -1118,2 +1200,3 @@ function create(name, query, {
   row_number,
+  scaleTransform,
   skewness,
@@ -1120,0 +1203,0 @@ sql,

dist/mosaic-sql.min.js

@@ -1,1 +0,1 @@
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o)n.push({as:C(s),expr:o[s]})}),e.window=e.window.concat(n),this}}qualify(...t){let{query:e}=this;return t.length===0?e.qualify:(e.qualify=e.qualify.concat(t.flat().filter(n=>n)),this)}orderby(...t){let{query:e}=this;return t.length===0?e.orderby:(e.orderby=e.orderby.concat(t.flat().filter(n=>n).map(u)),this)}limit(t){let{query:e}=this;return arguments.length===0?e.limit:(e.limit=Number.isFinite(t)?t:void 0,this)}offset(t){let{query:e}=this;return arguments.length===0?e.offset:(e.offset=Number.isFinite(t)?t:void 0,this)}get subqueries(){let{query:t,cteFor:e}=this,o=(e?.query||t).with?.reduce((i,{as:a,query:p})=>(i[a]=p,i),{}),s=[];return t.from.forEach(({from:i})=>{if(P(i))s.push(i);else if(o[i.table]){let a=o[i.table];s.push(a)}}),s}toString(){let{select:t,distinct:e,from:n,sample:o,where:s,groupby:i,having:a,window:p,qualify:d,orderby:y,limit:A,offset:b,with:I}=this.query,g=[];if(I.length){let f=I.map(({as:h,query:x})=>`"${h}" AS (${x})`);g.push(`WITH ${f.join(", ")}`)}let it=t.map(({as:f,expr:h})=>k(h,f)&&!h.table?`${h}`:`${h} AS "${f}"`);if(g.push(`SELECT${e?" DISTINCT":""} ${it.join(", ")}`),n.length){let f=n.map(({as:h,from:x})=>{let L=P(x)?`(${x})`:`${x}`;return!h||h===x.table?L:`${L} AS "${h}"`});g.push(`FROM ${f.join(", ")}`)}if(s.length){let f=s.map(String).filter(h=>h).join(" AND ");f&&g.push(`WHERE ${f}`)}if(o){let{rows:f,perc:h,method:x,seed:L}=o,ct=f?`${f} ROWS`:`${h} PERCENT`,at=x?` (${x}${L!=null?`, ${L}`:""})`:"";g.push(`USING SAMPLE ${ct}${at}`)}if(i.length&&g.push(`GROUP BY ${i.join(", ")}`),a.length){let f=a.map(String).filter(h=>h).join(" AND ");f&&g.push(`HAVING ${f}`)}if(p.length){let f=p.map(({as:h,expr:x})=>`"${h}" AS (${x})`);g.push(`WINDOW ${f.join(", ")}`)}if(d.length){let f=d.map(String).filter(h=>h).join(" AND ");f&&g.push(`QUALIFY ${f}`)}return y.length&&g.push(`ORDER BY ${y.join(", ")}`),Number.isFinite(A)&&g.push(`LIMIT ${A}`),Number.isFinite(b)&&g.push(`OFFSET ${b}`),g.join(" ")}},q=class r{constructor(t,e){this.op=t,this.queries=e.map(n=>n.clone()),this.query={orderby:[]}}clone(){let t=new r(this.op,this.queries);return t.query={...this.query},t}orderby(...t){let{query:e}=this;return t.length===0?e.orderby:(e.orderby=e.orderby.concat(t.flat().filter(n=>n).map(u)),this)}limit(t){let{query:e}=this;return arguments.length===0?e.limit:(e.limit=Number.isFinite(t)?t:void 0,this)}offset(t){let{query:e}=this;return arguments.length===0?e.offset:(e.offset=Number.isFinite(t)?t:void 0,this)}get subqueries(){let{queries:t,cteFor:e}=this;return e&&t.forEach(n=>n.cteFor=e),t}toString(){let{op:t,queries:e,query:{orderby:n,limit:o,offset:s}}=this,i=[e.join(` ${t} `)];return n.length&&i.push(`ORDER BY ${n.join(", ")}`),Number.isFinite(o)&&i.push(`LIMIT ${o}`),Number.isFinite(s)&&i.push(`OFFSET ${s}`),i.join(" ")}};function P(r){return r instanceof F||r instanceof q}function C(r){return ve(r)?r.slice(1,-1):r}function ve(r){return r[0]==='"'&&r[r.length-1]==='"'}var G=r=>r;function Be(){return{apply:G,invert:G,sqlApply:u,sqlInvert:G}}function Xe({base:r}={}){if(r==null||r===Math.E)return{apply:Math.log,invert:Math.exp,sqlApply:t=>c`LN(${u(t)})`,sqlInvert:t=>c`EXP(${t})`};if(r===10)return{apply:Math.log10,invert:t=>Math.pow(10,t),sqlApply:t=>c`LOG(${u(t)})`,sqlInvert:t=>c`POW(10, ${t})`};{let t=+r;return{apply:e=>Math.log(e)/Math.log(t),invert:e=>Math.pow(t,e),sqlApply:e=>c`LN(${u(e)}) / LN(${t})`,sqlInvert:e=>c`POW(${t}, ${e})`}}}function Qe({constant:r=1}={}){let t=+r;return{apply:e=>Math.sign(e)*Math.log1p(Math.abs(e)),invert:e=>Math.sign(e)*Math.exp(Math.abs(e)-t),sqlApply:e=>(e=u(e),c`SIGN(${e}) * LN(${t} + ABS(${e}))`),sqlInvert:e=>c`SIGN(${e}) * (EXP(ABS(${e})) - ${t})`}}function Ve(){return{apply:r=>Math.sign(r)*Math.sqrt(Math.abs(r)),invert:r=>Math.sign(r)*r*r,sqlApply:r=>(r=u(r),c`SIGN(${r}) * SQRT(ABS(${r}))`),sqlInvert:r=>c`SIGN(${r}) * (${r}) ** 2`}}function ke({exponent:r=1}={}){let t=+r;return{apply:e=>Math.sign(e)*Math.pow(Math.abs(e),t),invert:e=>Math.sign(e)*Math.pow(Math.abs(e),1/t),sqlApply:e=>(e=u(e),c`SIGN(${e}) * POW(ABS(${e}), ${t})`),sqlInvert:e=>c`SIGN(${e}) * POW(ABS(${e}), 1/${t})`}}function ot(){return{apply:r=>+r,invert:r=>new Date(r),sqlApply:r=>r instanceof Date?+r:B(u(r)),sqlInvert:G}}var He={linear:Be,log:Xe,symlog:Qe,sqrt:Ve,pow:ke,time:ot,utc:ot};function Ke(r){let t=He[r.type];return t?{...r,...t(r)}:null}function U(r,t,{replace:e=!1,temp:n=!0,view:o=!1}={}){return"CREATE"+(e?" OR REPLACE ":" ")+(n?"TEMP ":"")+(o?"VIEW":"TABLE")+(e?" ":" IF NOT EXISTS ")+r+" AS "+t}function ze(r){return`INSTALL ${r}; LOAD ${r}`}function st(r,{columns:t=Object.keys(r?.[0]||{})}={}){let e=[];if(Array.isArray(t)?(e=t,t=e.reduce((o,s)=>(o[s]=s,o),{})):t&&(e=Object.keys(t)),!e.length)throw new Error("Can not create table from empty column set.");let n=[];for(let o of r){let s=e.map(i=>`${$(o[i])} AS "${t[i]}"`);n.push(`(SELECT ${s.join(", ")})`)}return n.join(" UNION ALL ")}function j(r,t,e,n={},o={}){let{select:s=["*"],where:i,view:a,temp:p,replace:d,...y}=n,A=nr({...o,...y}),b=`${r}('${e}'${A?", "+A:""})`,I=i?` WHERE ${i}`:"",g=`SELECT ${s.join(", ")} FROM ${b}${I}`;return U(t,g,{view:a,temp:p,replace:d})}function Je(r,t,e){return j("read_csv",r,t,e,{auto_detect:!0,sample_size:-1})}function Ze(r,t,e){return j("read_json",r,t,e,{auto_detect:!0,json_format:"auto"})}function tr(r,t,e){return j("read_parquet",r,t,e)}function er(r,t,e={}){let{options:n,...o}=e;if(n){let s=Array.isArray(n)?n.join(", "):typeof n=="string"?n:Object.entries(n).map(([i,a])=>`${i}=${a}`).join(", ");o.open_options=s.toUpperCase()}return j("st_read",r,t,o)}function rr(r,t,e={}){let{select:n=["*"],...o}=e,s=st(t),i=n.length===1&&n[0]==="*"?s:`SELECT ${n} FROM ${s}`;return U(r,i,o)}function nr(r){return Object.entries(r).map(([t,e])=>`${t}=${Q(e)}`).join(", ")}function Q(r){switch(typeof r){case"boolean":return String(r);case"string":return`'${r}'`;case"undefined":case"object":return r==null?"NULL":Array.isArray(r)?"["+r.map(t=>Q(t)).join(", ")+"]":"{"+Object.entries(r).map(([t,e])=>`'${t}': ${Q(e)}`).join(", ")+"}";default:return r}}export{F as Query,N as Ref,zt as agg,ut as all,mt as and,De as argmax,Oe as argmin,Me as arrayAgg,u as asColumn,O as asRelation,ee as avg,v as cast,Ce as castDouble,Pe as castInteger,X as centroid,We as centroidX,Ye as centroidY,K as column,Ot as contains,$e as corr,te as count,Ee as covarPop,U as create,Bt as cume_dist,Ue as dateDay,Fe as dateMonth,Ge as dateMonthDay,Yt as dense_rank,ft as desc,ge as entropy,B as epoch_ms,yt as eq,Ie as first,kt as first_value,je as geojson,wt as gt,Tt as gte,bt as isBetween,Rt as isDistinct,Gt as isFinite,Ut as isInfinite,Ft as isNaN,It as isNotBetween,qt as isNotDistinct,Et as isNotNull,$t as isNull,T as isParamLike,P as isQuery,M as isSQLExpression,me as kurtosis,Qt as lag,Le as last,Ht as last_value,Vt as lead,Pt as length,ht as literal,$ as literalToSQL,Je as loadCSV,ze as loadExtension,Ze as loadJSON,rr as loadObjects,tr as loadParquet,er as loadSpatial,Mt as lower,St as lt,At as lte,ne as mad,oe as max,re as mean,ae as median,se as min,le as mode,Nt as neq,xt as not,Kt as nth_value,Xt as ntile,gt as or,vt as percent_rank,Dt as prefix,ce as product,ue as quantile,Wt as rank,Lt as regexp_matches,qe as regrAvgX,be as regrAvgY,Se as regrCount,ye as regrIntercept,we as regrR2,Te as regrSXX,Re as regrSXY,Ae as regrSYY,Ne as regrSlope,H as relation,jt as row_number,Ke as scaleTransform,he as skewness,c as sql,fe as stddev,xe as stddevPop,_e as stringAgg,_t as suffix,ie as sum,lt as toSQL,Ct as upper,de as varPop,pe as variance,rt as x,nt as y};

package.json

 {
   "name": "@uwdata/mosaic-sql",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "SQL query construction and analysis.",
@@ -28,3 +28,3 @@ "keywords": [
   },
-  "gitHead": "92886dddfb126c1439924c5a0189e4639c3519a7"
+  "gitHead": "51517b28e916e355f4ce0dc6e98aef3a1db3f7b2"
 }

src/datetime.js

@@ -5,4 +5,3 @@ import { sql } from './expression.js';
 export const epoch_ms = expr => {
-  const d = asColumn(expr);
-  return sql`(1000 * (epoch(${d}) - second(${d})) + millisecond(${d}))::DOUBLE`;
+  return sql`epoch_ms(${asColumn(expr)})`;
 };
@@ -9,0 +8,0 @@

src/index.js

@@ -140,2 +140,6 @@ export {
 
+export {
+  scaleTransform
+} from './scales.js';
+
 export { create } from './load/create.js';
@@ -142,0 +146,0 @@ export { loadExtension } from './load/extension.js';

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increased by6.45%

Number of package files

25

increased by4.17%

Lines of code

2720

increased by6.79%

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