MariaDB Connector/Node.js 3.0.2 Release Notes

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Release date: 27 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

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) {
} catch (e) {

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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