@sqb/builder/esm/sql-objects/sequence-getter-statement.js

Extensible multi-dialect SQL query builder written with TypeScript

import { SerializationType } from '../enums.js';
import { Serializable } from '../serializable.js';
export class SequenceGetterStatement extends Serializable {
    _expression;
    _next;
    _alias;
    constructor(expression, next) {
        super();
        this._expression = expression;
        this._next = !!next;
    }
    get _type() {
        return SerializationType.SEQUENCE_GETTER_STATEMENT;
    }
    next(value) {
        this._next = value;
        return this;
    }
    /**
     * Sets alias to case expression.
     */
    as(alias) {
        this._alias = alias;
        return this;
    }
    /**
     * Performs serialization
     *
     * @param {Object} ctx
     * @return {string}
     * @override
     */
    _serialize(ctx) {
        if (!this._expression)
            return '';
        const q = {
            genName: this._expression,
            next: this._next,
            alias: this._alias,
        };
        return ctx.serialize(this._type, q, () => this.__defaultSerialize(ctx, q));
    }
    __defaultSerialize(ctx, o) {
        return ((o.next ? 'nextval' : 'currval') +
            "('" +
            o.genName +
            "')" +
            (o.alias ? ' ' + o.alias : ''));
    }
}