3326
MySQLERRORNotableResource GroupsHIGH confidence
Resource group already exists
Production Risk
Low — DDL fails; existing group is unchanged.
How to reproduce
trigger — this will error
trigger — this will error
CREATE RESOURCE GROUP rg_existing TYPE = USER VCPU = 0;
expected output
ERROR 3326 (HY000): Resource group 'rg_existing' already exists.
Fix
Use IF NOT EXISTS
Use IF NOT EXISTS
CREATE RESOURCE GROUP IF NOT EXISTS rg_existing TYPE = USER VCPU = 0;
Why this works
IF NOT EXISTS makes the statement idempotent.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3326 ER_RESOURCE_GROUP_EXISTS
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