@sequeljs/ast/dist/es/mixins/CRUD.js

A SQL AST manager for JavaScript

import DeleteManager from '../managers/DeleteManager';
import InsertManager from '../managers/InsertManager';
import UpdateManager from '../managers/UpdateManager';
import SQLLiteral from '../nodes/SQLLiteral';
export default class CRUD {
    compileUpdate(values, pk) {
        const um = new UpdateManager();
        let relation;
        if (values instanceof SQLLiteral) {
            relation = this.ctx.from;
        }
        else {
            relation = values[0][0].relation;
        }
        um.key = pk;
        um.table(relation);
        um.set(values);
        if (this.ast.limit) {
            um.take(this.ast.limit.expr);
        }
        um.order(...this.ast.orders);
        um.wheres = this.ctx.wheres;
        return um;
    }
    compileInsert(values) {
        const im = this.createInsert();
        im.insert(values);
        return im;
    }
    createInsert() {
        return new InsertManager();
    }
    compileDelete() {
        const dm = new DeleteManager();
        if (this.ast.limit) {
            dm.take(this.ast.limit.expr);
        }
        dm.wheres = this.ctx.wheres;
        dm.from(this.ctx.froms);
        return dm;
    }
}
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