52 lines
No EOL
1.3 KiB
TypeScript
52 lines
No EOL
1.3 KiB
TypeScript
import { Attribute, DB } from "./db";
|
|
import { BooleanModifier, Modifier } from "./dbStructure";
|
|
import { Handler } from "./defaultHandler";
|
|
import { primaryData, selectElements, selectFromElements, serializeReturn } from "./types";
|
|
|
|
|
|
export class Query {
|
|
sql: string;
|
|
values: primaryData[];
|
|
constructor(sql: string, values: primaryData[]) {
|
|
this.sql = sql;
|
|
this.values = values;
|
|
}
|
|
}
|
|
|
|
export class selectQuery {
|
|
attr: selectElements[] = [];
|
|
from: selectFromElements;
|
|
constructor(a: selectElements[], from: selectFromElements) {
|
|
this.attr.push(...a.flat(Infinity));
|
|
this.from = from ? from : null;
|
|
}
|
|
whereD: BooleanModifier | null = null;
|
|
where(m: BooleanModifier) {
|
|
this.whereD = m;
|
|
return this;
|
|
}
|
|
groupByD: Attribute[] = [];
|
|
groupBy(a: Attribute[]) {
|
|
this.groupByD = a;
|
|
return this;
|
|
}
|
|
havingD: Modifier | null = null;
|
|
having(m: Modifier) {
|
|
this.havingD = m;
|
|
return this;
|
|
}
|
|
limitD: number | null = null;
|
|
limit(i: number) {
|
|
this.limitD = i;
|
|
return this;
|
|
}
|
|
|
|
serialize(handler = Handler): serializeReturn {
|
|
return handler.querys.select(this);
|
|
}
|
|
|
|
query(db: DB) {
|
|
const s = this.serialize(db.getHandler());
|
|
return new Query(s[0], s[1]);
|
|
}
|
|
} |