@opentelemetry/instrumentation-tedious
Version:
OpenTelemetry instrumentation for `tedious` database client for Microsoft SQL Server
53 lines • 1.77 kB
JavaScript
;
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.once = exports.getSpanName = void 0;
/**
* The span name SHOULD be set to a low cardinality value
* representing the statement executed on the database.
*
* @returns Operation executed on Tedious Connection. Does not map to SQL statement in any way.
*/
function getSpanName(operation, db, sql, bulkLoadTable) {
if (operation === 'execBulkLoad' && bulkLoadTable && db) {
return `${operation} ${bulkLoadTable} ${db}`;
}
if (operation === 'callProcedure') {
// `sql` refers to procedure name with `callProcedure`
if (db) {
return `${operation} ${sql} ${db}`;
}
return `${operation} ${sql}`;
}
// do not use `sql` in general case because of high-cardinality
if (db) {
return `${operation} ${db}`;
}
return `${operation}`;
}
exports.getSpanName = getSpanName;
const once = (fn) => {
let called = false;
return (...args) => {
if (called)
return;
called = true;
return fn(...args);
};
};
exports.once = once;
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