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throw clear error about unavailable db nodes

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This commit is contained in:
Erik 2023-10-14 12:48:57 +03:00
parent a82dacdc30
commit e3e7623c27
1 changed files with 4 additions and 1 deletions
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5
src/MariaDB.ts
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@ -337,6 +337,9 @@ class MariaDB
const pool = this.#pool; const pool = this.#pool;
if (nodeName) if (nodeName)
{ {
const available = this.#nodes.filter(n => n.status === 'synced');
if (!available.length)
throw new Error('No nodes available for query');
const node = this.#nodes.find(n => n.name === nodeName); const node = this.#nodes.find(n => n.name === nodeName);
if (!node) if (!node)
{ {
@ -358,7 +361,7 @@ class MariaDB
this.#logger.debug(`Selected node ${nodeName} for query`); this.#logger.debug(`Selected node ${nodeName} for query`);
return pool.of(nodeName ?? '*').getConnection((err, conn) => return pool.of(nodeName ?? '*').getConnection((err, conn) =>
{ {
if (err) if (err)
return reject(err); return reject(err);
return resolve(conn); return resolve(conn);
}); });