@timescaledb/typeorm/dist/repository/get-time-bucket.js

This is the official TimescaleDB plugin for TypeORM.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getTimeBucket = getTimeBucket;
const Hypertable_1 = require("../decorators/Hypertable");
const core_1 = require("@timescaledb/core");
const schemas_1 = require("@timescaledb/schemas");
const debug_1 = require("../debug");
const debug = (0, debug_1.debugTypeOrm)('getTimeBucket');
async function getTimeBucket(options) {
    const target = this.target;
    debug(`Getting time bucket for ${target.name}`);
    const hypertableOptions = Reflect.getMetadata(Hypertable_1.HYPERTABLE_METADATA_KEY, target);
    if (!hypertableOptions) {
        const error = 'Entity is not a hypertable';
        debug(error);
        throw new Error(`Entity is not a hypertable`);
    }
    const hypertable = core_1.TimescaleDB.createHypertable(this.metadata.tableName, hypertableOptions);
    const builderConfig = {
        interval: options.bucket.interval,
        metrics: options.bucket.metrics.map((metric) => ({
            type: metric.type,
            column: metric.column?.toString(),
            alias: metric.alias,
        })),
    };
    schemas_1.TimeBucketConfigSchema.parse(builderConfig);
    const { sql, params } = hypertable.timeBucket(builderConfig).build({
        range: {
            start: options.timeRange.start,
            end: options.timeRange.end,
        },
        where: options.where,
    });
    const results = await this.query(sql, params);
    const result = results.map((row) => {
        const formattedRow = {
            interval: row.interval,
        };
        options.bucket.metrics.forEach((metric) => {
            const alias = metric.alias || 'count';
            formattedRow[alias] = Number(row[alias]);
        });
        return formattedRow;
    });
    debug('Time bucket retrieved');
    return result;
}
//# sourceMappingURL=get-time-bucket.js.map