Symptom
- ASE query showplan shows that optimizer is choosing a table scan instead of more efficient index scan when statement cache and literal autoparam are on.
- Optimizer chooses the more efficient index scan when literal autoparam is off
- Query contains multiple copies of the same literal value
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Environment
- SAP Adaptive Server Enterprise (ASE) 15.7
- SAP Adaptive Server Enterprise (ASE) 16.0
Product
SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 15.5
Keywords
Adaptive Server Enterprise, performance, optimizer , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed
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