Bug #120736 FORCE INDEX make a query with OR (NOT NULL column <=> NULL) degrade from an index range scan to a full table scan
Submitted: 22 Jun 6:46
Reporter: Frank Ma Email Updates:
Status: Open Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:9.6.0 OS:Any
Assigned to: CPU Architecture:Any

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