order by #23
6 changed files with 42 additions and 7 deletions
4
package-lock.json
generated
4
package-lock.json
generated
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@ -1,12 +1,12 @@
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{
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"name": "dblang",
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"version": "0.9.5",
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"version": "0.9.6",
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"lockfileVersion": 3,
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"requires": true,
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"packages": {
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"": {
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"name": "dblang",
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"version": "0.9.5",
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"version": "0.9.6",
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"license": "UNLICENSED",
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"dependencies": {
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"mariadb": "^3.0.2",
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@ -1,6 +1,6 @@
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{
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"name": "dblang",
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"version": "0.9.5",
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"version": "0.9.6",
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"description": "",
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"main": "dist/db.js",
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"types": "dist/db.d.ts",
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@ -2,7 +2,7 @@ import mariadb from 'mariadb';
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import { checkConstraint, Constraint, Datatype, foreignConstraint, uniqueConstraint } from './dbStructure.js';
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import { Handler } from './defaultHandler.js';
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import { Query } from './query.js';
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import { attributeSettings, extendedAttributeSettings, onAction, dbType } from './types.js';
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import { attributeSettings, extendedAttributeSettings, onAction, dbType, order } from './types.js';
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import { TableAlias } from "./alias.js"
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import { insertResponse, readResponse, writeResponse, singleResponse } from "./responses.js"
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//import { postgresHandler } from "./postgresHandler"
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@ -180,6 +180,6 @@ export class Table {
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}
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export * from './funcs.js';
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export { onAction };
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export { onAction, order };
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export { dbType as databaseType }
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export { readResponse, writeResponse, insertResponse, singleResponse }
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@ -2,7 +2,7 @@ import { Alias, AttributeAlias, TableAlias } from "./alias.js";
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import { Attribute, DB, insertResponse, readResponse, Table, writeResponse } from "./db.js"
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import { Aggregation, checkConstraint, joinCross, Datatype, foreignConstraint, Modifier, joinNatural, onJoin, uniqueConstraint, usingJoin } from "./dbStructure.js"
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import { insertQuery, Query, QueryBuilder, removeQuery, selectQuery, updateQuery } from "./query.js"
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import { allModifierInput, joinType, onAction, primaryData } from "./types.js"
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import { allModifierInput, joinType, onAction, order, primaryData } from "./types.js"
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import { sha256 } from "./tools.js"
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export class Handler {
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@ -307,6 +307,25 @@ export class Handler {
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builder.append(q.havingD.serialize(handler));
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}
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}
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if (q.orderByD.length > 0) {
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builder.addCode(" order by ");
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for (let i = 0; i < q.orderByD.length; i++) {
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const d = q.orderByD[i];
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if (d[0] instanceof Attribute || d[0] instanceof AttributeAlias) builder.addCode(d[0].getString(handler));
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else if (d[0] instanceof Alias)
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builder.addCode(handler.builders.escapeID(d.toString()));
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else if (d[0] instanceof Modifier || d[0] instanceof selectQuery || d[0] instanceof Aggregation) {
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builder.addCode("(");
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builder.append(d[0].serialize(handler));
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builder.addCode(")");
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} else {
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builder.addInjection(d[0]);
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}
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if(d[1] == order.DESC) builder.addCode(" DESC");
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else builder.addCode(" ASC");
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if (i + 1 < q.orderByD.length) builder.addCode(", ");
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}
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}
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if (q.limitD != null) {
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if (q.limitOffsetD == null) {
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builder.addCode(" limit ");
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13
src/query.ts
13
src/query.ts
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@ -2,7 +2,7 @@ import { AttributeAlias } from "./alias.js";
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import { Attribute, DB, Table } from "./db.js";
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import { BooleanModifier, Modifier } from "./dbStructure.js";
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import { Handler } from "./defaultHandler.js";
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import { allModifierInput, primaryData, selectElements, selectFromElements, serializeReturn } from "./types.js";
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import { allModifierInput, order, primaryData, selectElements, selectFromElements, serializeReturn } from "./types.js";
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export class Query {
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@ -84,6 +84,17 @@ export class selectQuery {
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this.havingD = m;
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return this;
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}
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orderByD: ([allModifierInput, order])[] = [];
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addOrderBy(a: allModifierInput, o: order = order.ASC) {
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this.orderByD.push([a, o]);
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return this;
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}
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orderBY(a: allModifierInput, o: order = order.ASC) {
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this.orderByD = [[a, o]];
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return this;
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}
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limitD: number | null = null;
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limitOffsetD: number | null = null;
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limit(i: number, offset: number = 0) {
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@ -63,4 +63,9 @@ export enum dbType {
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mariadb,
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//mysql,
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postgres,
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}
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export enum order {
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ASC,
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DESC
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}
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