>> I am about to rip out the code that supports multiple indexscans for OR
>> conditions inside a single IndexScan plan node. As best I can tell,
>> the new-style bitmap-OR code is as fast or faster than the old way
>> even in fully cached test cases (ie, with no allowance for improved
>> efficiency of disk access). So there's no percentage in maintaining
>> support for the old way, and getting rid of it will allow simplification
>> of code and data structures in the planner.
For all index types? Even lossy ones?
Chris