Firebird Documentation IndexFirebird 2.1 Release NotesGlobal Improvements in Firebird 2.1 → Optimization
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Optimization

Optimization for Multiple Index Scans
Optimize sparse bitmap operations

Optimization for Multiple Index Scans

V. Khorsun

Feature request CORE-1069

An optimization was done for index scanning when more than one index is to be scanned with AND conjunctions.

Optimize sparse bitmap operations

V. Khorsun

Feature request CORE-1070

Optimization was done for sparse bitmap operations (set, test and clear) when values are mostly consecutive.

Prev: API ChangesFirebird Documentation IndexUp: Global Improvements in Firebird 2.1Next: Configuration and Tuning
Firebird Documentation IndexFirebird 2.1 Release NotesGlobal Improvements in Firebird 2.1 → Optimization