MariaDB Connector/Node.js 3.0.2 Release Notes

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Release date: 18 Oct 2022

MariaDB Connector/Node.js 3.0.2 is a Stable (GA) release.

For an overview of MariaDB Connector/Node.js see the About MariaDB Connector/Node.js page

Note: This page describes features in an unreleased version of MariaDB Connector/Node.js.

Unreleased means there are no official packages or binaries available for download which contain the features. The source code is available on GitHub.

Notable Changes

permit streaming prepare statement result

Like queryStream, execute command can now be streamed as well for huge resultset, to avoid charging the whole resultset in memory. Example :

const prepare = await shareConn.prepare('SELECT * FROM mysql.user where host = ?');
const stream = prepare.executeStream(['localhost']);    
try {
  for await (const row of stream) {
    console.log(row);
  }
} catch (e) {
  queryStream.close();
}
prepare.close();

Issues Fixed

  • CONJS-223 Metadata column name gets sporadic corrupted
  • CONJS-211 Session timezone unset on connection re-use with connection pool
  • CONJS-212 when throwing an error when using option `leakDetectionTimeout`, might result in throwing wrong error with `Cannot read properties of null (reading 'leaked')`
  • CONJS-217 caching_sha2_password never succeed using FAST AUTHENTICATION. With correction, one less exchanges is done when connecting to a MySQL server
  • CONJS-219 prepare cache was not limited to `prepareCacheLength` but can increase up to 2x the `prepareCacheLength` value, leading to possible ER_MAX_PREPARED_STMT_COUNT_REACHED
  • CONJS-228 improving prepare cache performance
  • CONJS-226 missing typescript metaAsArray option and documentation
  • CONJS-213 update error code with recent MariaDB server
  • CONJS-215 Executing after prepare close throw an undescriptive error
  • CONJS-221 option debugLen and logParam are not documented
  • CONJS-227 Allow setting idleTimeout to 0
  • CONJS-214 missing pool.closed typescript definition
  • CONJS-216 remove please-upgrade-node dependency
  • CONJS-224 missing typescript checkNumberRange option definition

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