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Connector/Node.js 3.0.2 Release Notes

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 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 :

Issues Fixed

Metadata column name gets sporadic corrupted
Session timezone unset on connection re-use with connection pool
when throwing an error when using option leakDetectionTimeout, might result in throwing wrong error with Cannot read properties of null (reading 'leaked')

Connector/Node.js 3.0.2 Release Notes

Download | Release Notes | Changelog |

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 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 :

Issues Fixed

Metadata column name gets sporadic corrupted
Session timezone unset on connection re-use with connection pool
when throwing an error when using option leakDetectionTimeout, might result in throwing wrong error with Cannot read properties of null (reading 'leaked')

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

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();

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();