couchbase/dist/queryexecutor.js

The official Couchbase Node.js Client Library.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.QueryExecutor = void 0;
const bindingutilities_1 = require("./bindingutilities");
const querytypes_1 = require("./querytypes");
const streamablepromises_1 = require("./streamablepromises");
/**
 * @internal
 */
class QueryExecutor {
    /**
     * @internal
     */
    constructor(cluster) {
        this._cluster = cluster;
    }
    /**
     * @internal
     */
    static execute(exec) {
        const emitter = new streamablepromises_1.StreamableRowPromise((rows, meta) => {
            return new querytypes_1.QueryResult({
                rows: rows,
                meta: meta,
            });
        });
        exec((cppErr, resp) => {
            const err = (0, bindingutilities_1.errorFromCpp)(cppErr);
            if (err) {
                emitter.emit('error', err);
                emitter.emit('end');
                return;
            }
            resp.rows.forEach((row) => {
                emitter.emit('row', JSON.parse(row));
            });
            {
                const metaData = resp.meta;
                let warnings;
                if (metaData.warnings) {
                    warnings = metaData.warnings.map((warningData) => new querytypes_1.QueryWarning({
                        code: warningData.code,
                        message: warningData.message,
                    }));
                }
                else {
                    warnings = [];
                }
                let metrics;
                if (metaData.metrics) {
                    const metricsData = metaData.metrics;
                    metrics = new querytypes_1.QueryMetrics({
                        elapsedTime: metricsData.elapsed_time,
                        executionTime: metricsData.execution_time,
                        sortCount: metricsData.sort_count || 0,
                        resultCount: metricsData.result_count || 0,
                        resultSize: metricsData.result_size || 0,
                        mutationCount: metricsData.mutation_count || 0,
                        errorCount: metricsData.error_count || 0,
                        warningCount: metricsData.warning_count || 0,
                    });
                }
                else {
                    metrics = undefined;
                }
                const meta = new querytypes_1.QueryMetaData({
                    requestId: metaData.request_id,
                    clientContextId: metaData.client_context_id,
                    status: metaData.status,
                    signature: metaData.signature
                        ? JSON.parse(metaData.signature)
                        : undefined,
                    warnings: warnings,
                    metrics: metrics,
                    profile: metaData.profile ? JSON.parse(metaData.profile) : undefined,
                });
                emitter.emit('meta', meta);
            }
            emitter.emit('end');
            return;
        });
        return emitter;
    }
    /**
     * @internal
     */
    query(query, options) {
        const timeout = options.timeout || this._cluster.queryTimeout;
        return QueryExecutor.execute((callback) => {
            this._cluster.conn.query({
                statement: query,
                client_context_id: options.clientContextId,
                adhoc: options.adhoc === false ? false : true,
                metrics: options.metrics || false,
                readonly: options.readOnly || false,
                flex_index: options.flexIndex || false,
                preserve_expiry: options.preserveExpiry || false,
                use_replica: options.useReplica,
                max_parallelism: options.maxParallelism,
                scan_cap: options.scanCap,
                scan_wait: options.scanWait,
                pipeline_batch: options.pipelineBatch,
                pipeline_cap: options.pipelineCap,
                scan_consistency: (0, bindingutilities_1.queryScanConsistencyToCpp)(options.scanConsistency),
                mutation_state: (0, bindingutilities_1.mutationStateToCpp)(options.consistentWith).tokens,
                timeout: timeout,
                query_context: options.queryContext,
                profile: (0, bindingutilities_1.queryProfileToCpp)(options.profile),
                raw: options.raw
                    ? Object.fromEntries(Object.entries(options.raw)
                        .filter(([, v]) => v !== undefined)
                        .map(([k, v]) => [k, JSON.stringify(v)]))
                    : {},
                positional_parameters: options.parameters && Array.isArray(options.parameters)
                    ? options.parameters.map((v) => JSON.stringify(v !== null && v !== void 0 ? v : null))
                    : [],
                named_parameters: options.parameters && !Array.isArray(options.parameters)
                    ? Object.fromEntries(Object.entries(options.parameters)
                        .filter(([, v]) => v !== undefined)
                        .map(([k, v]) => [k, JSON.stringify(v)]))
                    : {},
                body_str: '',
            }, callback);
        });
    }
}
exports.QueryExecutor = QueryExecutor;