sedk-postgres/dist/src/steps/select-path/LimitStep.js

Simple SQL builder and validator

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LimitStep = void 0;
const OffsetStep_1 = require("./OffsetStep");
const singletoneConstants_1 = require("../../singletoneConstants");
const errors_1 = require("../../errors");
const ReturningStep_1 = require("../ReturningStep");
const BaseStep_1 = require("../BaseStep");
class LimitStep extends BaseStep_1.BaseStep {
    constructor(prevStep, value, asBinder = false) {
        super(prevStep);
        if (typeof value === 'number' && (!Number.isFinite(value) || value < 0)) {
            throw new errors_1.InvalidLimitValueError(value);
        }
        if (asBinder) {
            if (value instanceof singletoneConstants_1.All) {
                throw new Error('ALL cannot be used as binder');
            }
            this.value = this.binderStore.getBinder(value);
        }
        else {
            this.value = value;
        }
    }
    getStepStatement() {
        if (this.value === null) {
            return `LIMIT NULL`;
        }
        return `LIMIT ${this.value}`;
    }
    getStepArtifacts() {
        return { tables: new Set(), columns: new Set() };
    }
    offset(value) {
        return new OffsetStep_1.OffsetStep(this, value);
    }
    offset$(value) {
        return new OffsetStep_1.OffsetStep(this, value, true);
    }
    returning(...items) {
        return new ReturningStep_1.ReturningStep(this, items);
    }
}
exports.LimitStep = LimitStep;
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