order by #23

Merged
jusax23 merged 2 commits from dev into main 2023-03-29 21:10:55 +02:00
4 changed files with 39 additions and 4 deletions
Showing only changes of commit 575e9c2d4f - Show all commits

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@ -2,7 +2,7 @@ import mariadb from 'mariadb';
import { checkConstraint, Constraint, Datatype, foreignConstraint, uniqueConstraint } from './dbStructure.js';
import { Handler } from './defaultHandler.js';
import { Query } from './query.js';
import { attributeSettings, extendedAttributeSettings, onAction, dbType } from './types.js';
import { attributeSettings, extendedAttributeSettings, onAction, dbType, order } from './types.js';
import { TableAlias } from "./alias.js"
import { insertResponse, readResponse, writeResponse, singleResponse } from "./responses.js"
//import { postgresHandler } from "./postgresHandler"
@ -180,6 +180,6 @@ export class Table {
}
export * from './funcs.js';
export { onAction };
export { onAction, order };
export { dbType as databaseType }
export { readResponse, writeResponse, insertResponse, singleResponse }

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@ -2,7 +2,7 @@ import { Alias, AttributeAlias, TableAlias } from "./alias.js";
import { Attribute, DB, insertResponse, readResponse, Table, writeResponse } from "./db.js"
import { Aggregation, checkConstraint, joinCross, Datatype, foreignConstraint, Modifier, joinNatural, onJoin, uniqueConstraint, usingJoin } from "./dbStructure.js"
import { insertQuery, Query, QueryBuilder, removeQuery, selectQuery, updateQuery } from "./query.js"
import { allModifierInput, joinType, onAction, primaryData } from "./types.js"
import { allModifierInput, joinType, onAction, order, primaryData } from "./types.js"
import { sha256 } from "./tools.js"
export class Handler {
@ -307,6 +307,25 @@ export class Handler {
builder.append(q.havingD.serialize(handler));
}
}
if (q.orderByD.length > 0) {
builder.addCode(" order by ");
for (let i = 0; i < q.orderByD.length; i++) {
const d = q.orderByD[i];
if (d[0] instanceof Attribute || d[0] instanceof AttributeAlias) builder.addCode(d[0].getString(handler));
else if (d[0] instanceof Alias)
builder.addCode(handler.builders.escapeID(d.toString()));
else if (d[0] instanceof Modifier || d[0] instanceof selectQuery || d[0] instanceof Aggregation) {
builder.addCode("(");
builder.append(d[0].serialize(handler));
builder.addCode(")");
} else {
builder.addInjection(d[0]);
}
if(d[1] == order.DESC) builder.addCode(" DESC");
else builder.addCode(" ASC");
if (i + 1 < q.orderByD.length) builder.addCode(", ");
}
}
if (q.limitD != null) {
if (q.limitOffsetD == null) {
builder.addCode(" limit ");

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@ -2,7 +2,7 @@ import { AttributeAlias } from "./alias.js";
import { Attribute, DB, Table } from "./db.js";
import { BooleanModifier, Modifier } from "./dbStructure.js";
import { Handler } from "./defaultHandler.js";
import { allModifierInput, primaryData, selectElements, selectFromElements, serializeReturn } from "./types.js";
import { allModifierInput, order, primaryData, selectElements, selectFromElements, serializeReturn } from "./types.js";
export class Query {
@ -84,6 +84,17 @@ export class selectQuery {
this.havingD = m;
return this;
}
orderByD: ([allModifierInput, order])[] = [];
addOrderBy(a: allModifierInput, o: order = order.ASC) {
this.orderByD.push([a, o]);
return this;
}
orderBY(a: allModifierInput, o: order = order.ASC) {
this.orderByD = [[a, o]];
return this;
}
limitD: number | null = null;
limitOffsetD: number | null = null;
limit(i: number, offset: number = 0) {

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@ -64,3 +64,8 @@ export enum dbType {
//mysql,
postgres,
}
export enum order {
ASC,
DESC
}