slonik/dist/connectionMethods/maybeOne.js

A Node.js PostgreSQL client with strict types, detailed logging and assertions.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.maybeOne = void 0;
const query_1 = require("./query");
const errors_1 = require("@slonik/errors");
const utilities_1 = require("@slonik/utilities");
/**
 * Makes a query and expects exactly one result.
 * @throws DataIntegrityError If query returns multiple rows.
 */
const maybeOne = async (log, connection, clientConfiguration, slonikQuery, inheritedQueryId) => {
    const queryId = inheritedQueryId ?? (0, utilities_1.generateUid)();
    const { rows } = await (0, query_1.query)(log, connection, clientConfiguration, slonikQuery, queryId);
    if (rows.length === 0) {
        return null;
    }
    if (rows.length > 1) {
        log.error({
            queryId,
        }, 'DataIntegrityError');
        throw new errors_1.DataIntegrityError(slonikQuery);
    }
    return rows[0];
};
exports.maybeOne = maybeOne;
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