@uwdata/mosaic-sql - npm Package Compare versions

Comparing version 0.2.0 to 0.3.0

dist/mosaic-sql.js

@@ -652,3 +652,3 @@ // src/ref.js
       if (typeof value === "number") {
-        spec = value > 0 && value < 1 ? { perc: 100 * value, method } : { rows: Math.round(value, method) };
+        spec = value > 0 && value < 1 ? { perc: 100 * value, method } : { rows: Math.round(value), method };
       }
@@ -685,2 +685,6 @@ query.sample = spec;
   }
+  $groupby(...expr) {
+    this.query.groupby = [];
+    return this.groupby(...expr);
+  }
   having(...expr) {
@@ -914,41 +918,10 @@ const { query } = this;
 // src/load/create.js
-function create(name, query, options = {}) {
-  const { temp, replace, type = "TABLE" } = options;
-  const create2 = `CREATE${replace ? " OR REPLACE" : ""}`;
-  const spec = `${temp ? "TEMP " : ""}${type}${replace ? "" : " IF NOT EXISTS"}`;
-  return `${create2} ${spec} ${name} AS ${query}`;
+function create(name, query, {
+  replace = false,
+  temp = true,
+  view = false
+} = {}) {
+  return "CREATE" + (replace ? " OR REPLACE " : " ") + (temp ? "TEMP " : "") + (view ? "VIEW" : "TABLE") + (replace ? " " : " IF NOT EXISTS ") + name + " AS " + query;
 }
 
-// src/load/parameters.js
-function parameters(options) {
-  return Object.entries(options).map(([key, value]) => {
-    const t = typeof value;
-    const v = t === "boolean" ? String(value) : t === "string" ? `'${value}'` : value;
-    return `${key}=${v}`;
-  }).join(", ");
-}
-
-// src/load/csv.js
-function loadCSV(tableName, fileName, options = {}) {
-  const { select = ["*"], temp, replace, ...csvOptions } = options;
-  const params = parameters({ auto_detect: true, sample_size: -1, ...csvOptions });
-  const query = `SELECT ${select.join(", ")} FROM read_csv('${fileName}', ${params})`;
-  return create(tableName, query, { temp, replace });
-}
-
-// src/load/json.js
-function loadJSON(tableName, fileName, options = {}) {
-  const { select = ["*"], temp, replace, ...jsonOptions } = options;
-  const params = parameters({ auto_detect: true, json_format: "auto", ...jsonOptions });
-  const query = `SELECT ${select.join(", ")} FROM read_json('${fileName}', ${params})`;
-  return create(tableName, query, { temp, replace });
-}
-
-// src/load/parquet.js
-function loadParquet(tableName, fileName, options = {}) {
-  const { select = ["*"], ...tableOptions } = options;
-  const query = `SELECT ${select.join(", ")} FROM read_parquet('${fileName}')`;
-  return create(tableName, query, tableOptions);
-}
-
 // src/load/sql-from.js
@@ -975,2 +948,34 @@ function sqlFrom(data, {
 }
+
+// src/load/load.js
+function load(method, tableName, fileName, options = {}, defaults = {}) {
+  const { select = ["*"], where, view, temp, replace, ...file } = options;
+  const params = parameters({ ...defaults, ...file });
+  const read = `${method}('${fileName}'${params ? ", " + params : ""})`;
+  const filter = where ? ` WHERE ${where}` : "";
+  const query = `SELECT ${select.join(", ")} FROM ${read}${filter}`;
+  return create(tableName, query, { view, temp, replace });
+}
+function loadCSV(tableName, fileName, options) {
+  return load("read_csv", tableName, fileName, options, { auto_detect: true, sample_size: -1 });
+}
+function loadJSON(tableName, fileName, options) {
+  return load("read_json", tableName, fileName, options, { auto_detect: true, json_format: "auto" });
+}
+function loadParquet(tableName, fileName, options) {
+  return load("read_parquet", tableName, fileName, options);
+}
+function loadObjects(tableName, data, options = {}) {
+  const { select = ["*"], ...opt } = options;
+  const values = sqlFrom(data);
+  const query = select.length === 1 && select[0] === "*" ? values : `SELECT ${select} FROM ${values}`;
+  return create(tableName, query, opt);
+}
+function parameters(options) {
+  return Object.entries(options).map(([key, value]) => {
+    const t = typeof value;
+    const v = t === "boolean" ? String(value) : t === "string" ? `'${value}'` : value;
+    return `${key}=${v}`;
+  }).join(", ");
+}
 export {
@@ -1032,2 +1037,3 @@ Query,
   loadJSON,
+  loadObjects,
   loadParquet,
@@ -1067,3 +1073,2 @@ lower,
   sql,
-  sqlFrom,
   stddev,
@@ -1070,0 +1075,0 @@ stddevPop,

dist/mosaic-sql.min.js

@@ -1,1 +0,1 @@
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FILTER (WHERE ":""}`,...o?[")"]:[]]),c=[...t,...o?[o]:[]]):i[0]+="*"+s,{exprs:c,strings:i}}function Xt(r){let t=E(r);return t&&t.startsWith('"')&&t.endsWith('"')?t.slice(1,-1):t}function a(r,t){return(...e)=>new O(r,e,t)}var Qt=a("COUNT","INTEGER"),kt=a("AVG"),vt=a("AVG"),Ht=a("MAD"),Kt=a("MAX"),zt=a("MIN"),Jt=a("SUM","DOUBLE"),Zt=a("PRODUCT"),te=a("MEDIAN"),ee=a("QUANTILE"),re=a("MODE"),ne=a("VARIANCE"),oe=a("STDDEV"),se=a("SKEWNESS"),ie=a("KURTOSIS"),ce=a("ENTROPY"),ae=a("VAR_POP"),ue=a("STDDEV_POP"),le=a("CORR"),pe=a("COVAR_POP"),fe=a("REGR_INTERCEPT"),he=a("REGR_SLOPE"),me=a("REGR_COUNT"),ge=a("REGR_R2"),xe=a("REGR_SYY"),de=a("REGR_SXX"),Ee=a("REGR_SXY"),$e=a("REGR_AVGX"),Ne=a("REGR_AVGY"),ye=a("FIRST"),we=a("LAST"),Se=a("ARG_MIN"),Re=a("ARG_MAX"),Ae=a("STRING_AGG"),Te=a("ARRAY_AGG");function Y(r,t){let e=l(r),n=u`CAST(${e} AS ${t})`;return Object.defineProperty(n,"label",{enumerable:!0,get(){return r.label}}),Object.defineProperty(n,"aggregate",{enumerable:!0,get(){return r.aggregate||!1}}),n}var be=r=>Y(r,"DOUBLE"),qe=r=>Y(r,"INTEGER");var Le=r=>{let t=l(r);return u`(1000 * (epoch(${t}) - second(${t})) + millisecond(${t}))::DOUBLE`},Oe=r=>{let t=l(r);return u`MAKE_DATE(2012, MONTH(${t}), 1)`.annotate({label:"month"})},Ie=r=>{let t=l(r);return u`MAKE_DATE(2012, MONTH(${t}), DAY(${t}))`.annotate({label:"date"})},De=r=>{let t=l(r);return u`MAKE_DATE(2012, 1, DAY(${t}))`.annotate({label:"date"})};var S=class{static select(...t){return new S().select(...t)}static from(...t){return new S().from(...t)}static with(...t){return new S().with(...t)}static union(...t){return new R("UNION",t.flat())}static unionAll(...t){return new R("UNION ALL",t.flat())}static intersect(...t){return new R("INTERSECT",t.flat())}static except(...t){return new R("EXCEPT",t.flat())}constructor(){this.query={with:[],select:[],from:[],where:[],groupby:[],having:[],window:[],qualify:[],orderby:[]}}clone(){let t=new S;return t.query={...this.query},t}with(...t){let{query:e}=this;if(t.length===0)return e.with;{let n=[],o=(s,i)=>{let c=i.clone();c.cteFor=this,n.push({as:s,query:c})};return t.flat().forEach(s=>{if(s!=null)if(s.as&&s.query)o(s.as,s.query);else for(let i in s)o(i,s[i])}),e.with=e.with.concat(n),this}}select(...t){let{query:e}=this;if(t.length===0)return e.select;{let n=[];for(let o of t.flat())if(o!=null)if(typeof o=="string")n.push({as:o,expr:l(o)});else if(o instanceof w)n.push({as:o.column,expr:o});else if(Array.isArray(o))n.push({as:o[0],expr:o[1]});else for(let s in o)n.push({as:M(s),expr:l(o[s])});return e.select=e.select.concat(n),this}}$select(...t){return this.query.select=[],this.select(...t)}distinct(t=!0){return this.query.distinct=!!t,this}from(...t){let{query:e}=this;if(t.length===0)return e.from;{let n=[];return t.flat().forEach(o=>{if(o!=null)if(typeof o=="string")n.push({as:o,from:_(o)});else if(o instanceof w)n.push({as:o.table,from:o});else if(F(o)||U(o))n.push({from:o});else if(Array.isArray(o))n.push({as:M(o[0]),from:_(o[1])});else for(let s in o)n.push({as:M(s),from:_(o[s])})}),e.from=e.from.concat(n),this}}$from(...t){return this.query.from=[],this.from(...t)}sample(t,e){let{query:n}=this;if(arguments.length===0)return n.sample;{let o=t;return typeof t=="number"&&(o=t>0&&t<1?{perc:100*t,method:e}:{rows:Math.round(t),method:e}),n.sample=o,this}}where(...t){let{query:e}=this;return t.length===0?e.where:(e.where=e.where.concat(t.flat().filter(n=>n)),this)}$where(...t){return this.query.where=[],this.where(...t)}groupby(...t){let{query:e}=this;return t.length===0?e.groupby:(e.groupby=e.groupby.concat(t.flat().filter(n=>n).map(l)),this)}$groupby(...t){return this.query.groupby=[],this.groupby(...t)}having(...t){let{query:e}=this;return t.length===0?e.having:(e.having=e.having.concat(t.flat().filter(n=>n)),this)}window(...t){let{query:e}=this;if(t.length===0)return e.window;{let n=[];return t.flat().forEach(o=>{if(o!=null)for(let s in o)n.push({as:M(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(l)),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:c,query:p})=>(i[c]=p,i),{}),s=[];return t.from.forEach(({from:i})=>{if(F(i))s.push(i);else if(o[i.table]){let c=o[i.table];s.push(c)}}),s}toString(){let{select:t,distinct:e,from:n,sample:o,where:s,groupby:i,having:c,window:p,qualify:g,orderby:y,limit:b,offset:I,with:D}=this.query,m=[];if(D.length){let f=D.map(({as:h,query:d})=>`"${h}" AS (${d})`);m.push(`WITH ${f.join(", ")}`)}let J=t.map(({as:f,expr:h})=>B(h,f)&&!h.table?`${h}`:`${h} AS "${f}"`);if(m.push(`SELECT${e?" DISTINCT":""} ${J.join(", ")}`),n.length){let f=n.map(({as:h,from:d})=>{let C=F(d)?`(${d})`:`${d}`;return!h||h===d.table?C:`${C} AS "${h}"`});m.push(`FROM ${f.join(", ")}`)}if(s.length){let f=s.map(String).filter(h=>h).join(" AND ");f&&m.push(`WHERE ${f}`)}if(o){let{rows:f,perc:h,method:d,seed:C}=o,Z=f?`${f} ROWS`:`${h} PERCENT`,tt=d?` (${d}${C!=null?`, ${C}`:""})`:"";m.push(`USING SAMPLE ${Z}${tt}`)}if(i.length&&m.push(`GROUP BY ${i.join(", ")}`),c.length){let f=c.map(String).filter(h=>h).join(" AND ");f&&m.push(`HAVING ${f}`)}if(p.length){let f=p.map(({as:h,expr:d})=>`"${h}" AS (${d})`);m.push(`WINDOW ${f.join(", ")}`)}if(g.length){let f=g.map(String).filter(h=>h).join(" AND ");f&&m.push(`QUALIFY ${f}`)}return y.length&&m.push(`ORDER BY ${y.join(", ")}`),Number.isFinite(b)&&m.push(`LIMIT ${b}`),Number.isFinite(I)&&m.push(`OFFSET ${I}`),m.join(" ")}},R=class{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(l)),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 ${s}`),i.join(" ")}};function F(r){return r instanceof S||r instanceof R}function M(r){return Ce(r)?r.slice(1,-1):r}function Ce(r){return r[0]==='"'&&r[r.length-1]==='"'}function G(r,t,{replace:e=!1,temp:n=!0,view:o=!1}={}){return"CREATE"+(e?" OR REPLACE ":" ")+(n?"TEMP ":"")+(o?"VIEW":"TABLE")+(e?" ":" IF NOT EXISTS ")+r+" AS "+t}function z(r,{columns:t=Object.keys(r?.[0]||{})}={}){let e=[];if(Array.isArray(t)?(e=t,t=e.reduce((o,s)=>(o[s]=s,o),{})):t&&(e=Object.keys(t)),!e.length)throw new Error("Can not create table from empty column set.");let n=[];for(let o of r){let s=e.map(i=>`${E(o[i])} AS "${t[i]}"`);n.push(`(SELECT ${s.join(", ")})`)}return n.join(" UNION ALL ")}function W(r,t,e,n={},o={}){let{select:s=["*"],where:i,view:c,temp:p,replace:g,...y}=n,b=Fe({...o,...y}),I=`${r}('${e}'${b?", "+b:""})`,D=i?` WHERE ${i}`:"",m=`SELECT ${s.join(", ")} FROM ${I}${D}`;return G(t,m,{view:c,temp:p,replace:g})}function _e(r,t,e){return W("read_csv",r,t,e,{auto_detect:!0,sample_size:-1})}function Pe(r,t,e){return W("read_json",r,t,e,{auto_detect:!0,json_format:"auto"})}function Ue(r,t,e){return W("read_parquet",r,t,e)}function Me(r,t,e={}){let{select:n=["*"],...o}=e,s=z(t),i=n.length===1&&n[0]==="*"?s:`SELECT ${n} FROM ${s}`;return G(r,i,o)}function Fe(r){return Object.entries(r).map(([t,e])=>{let n=typeof e,o=n==="boolean"?String(e):n==="string"?`'${e}'`:e;return`${t}=${o}`}).join(", ")}export{S as Query,w as Ref,Bt as agg,et as all,it as and,Re as argmax,Se as argmin,Te as arrayAgg,l as asColumn,_ as asRelation,kt as avg,Y as cast,be as castDouble,qe as castInteger,X as column,St as contains,le as corr,Qt as count,pe as covarPop,G as create,Ut as cume_dist,De as dateDay,Oe as dateMonth,Ie as dateMonthDay,_t as dense_rank,ot as desc,ce as entropy,Le as epoch_ms,ft as eq,ye as first,jt as first_value,gt,dt as gte,Nt as isBetween,Et as isDistinct,Ot as isFinite,It as isInfinite,Lt as isNaN,yt as isNotBetween,$t as isNotDistinct,pt as isNotNull,lt as isNull,q as isParamLike,F as isQuery,U as isSQLExpression,ie as kurtosis,Ft as lag,we as last,Yt as last_value,Gt as lead,qt as length,st as literal,E as literalToSQL,_e as loadCSV,Pe as loadJSON,Me as loadObjects,Ue as loadParquet,Tt as lower,mt as lt,xt as lte,Ht as mad,Kt as max,vt as mean,te as median,zt as min,re as mode,ht as neq,ut as not,Wt as nth_value,Mt as ntile,ct as or,Pt as percent_rank,Rt as prefix,Zt as product,ee as quantile,Ct as rank,wt as regexp_matches,$e as regrAvgX,Ne as regrAvgY,me as regrCount,fe as regrIntercept,ge as regrR2,de as regrSXX,Ee as regrSXY,xe as regrSYY,he as regrSlope,V as relation,Dt as row_number,se as skewness,u as sql,oe as stddev,ue as stddevPop,Ae as stringAgg,At as suffix,Jt as sum,rt as toSQL,bt as upper,ae as varPop,ne as variance};

package.json

 {
   "name": "@uwdata/mosaic-sql",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "SQL query construction and analysis.",
@@ -28,3 +28,3 @@ "keywords": [
   },
-  "gitHead": "e53cd914c807f99aabe78dcbe618dd9543e2f438"
+  "gitHead": "a8dd23fed4c7a24c0a2ee5261d1aabe4239ce574"
 }

src/index.js

@@ -132,5 +132,7 @@ export {
 export { create } from './load/create.js';
-export { loadCSV } from './load/csv.js';
-export { loadJSON } from './load/json.js';
-export { loadParquet } from './load/parquet.js';
-export { sqlFrom } from './load/sql-from.js';
+export {
+  loadCSV,
+  loadJSON,
+  loadObjects,
+  loadParquet
+} from './load/load.js';

src/load/create.js

@@ -1,6 +0,12 @@
-export function create(name, query, options = {}) {
-  const { temp, replace, type = 'TABLE' } = options;
-  const create = `CREATE${replace ? ' OR REPLACE' : ''}`;
-  const spec = `${temp ? 'TEMP ' : ''}${type}${replace ? '' : ' IF NOT EXISTS'}`;
-  return `${create} ${spec} ${name} AS ${query}`;
+export function create(name, query, {
+  replace = false,
+  temp = true,
+  view = false
+} = {}) {
+  return 'CREATE'
+    + (replace ? ' OR REPLACE ' : ' ')
+    + (temp ? 'TEMP ' : '')
+    + (view ? 'VIEW' : 'TABLE')
+    + (replace ? ' ' : ' IF NOT EXISTS ')
+    + name + ' AS ' + query;
 }

src/Query.js

@@ -159,3 +159,3 @@ import { isSQLExpression } from './expression.js';
             ? { perc: 100 * value, method }
-            : { rows: Math.round(value, method) };
+            : { rows: Math.round(value), method };
       }
@@ -196,2 +196,7 @@ query.sample = spec;
 
+  $groupby(...expr) {
+    this.query.groupby = [];
+    return this.groupby(...expr);
+  }
+
   having(...expr) {
@@ -198,0 +203,0 @@ const { query } = this;

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