Hi,

For the following implementations:

1) storing boolean strings in fields X and Y separately

2) storing the same info in a field XY as 3 enums: X, Y, B, N meaning only X

is True, only Y is True, both are True or both are False

Is there significant performance gain when we substitute "X:T OR Y:T" by

"XY:B", while significant loss in "X:T" by "XY:X OR XY:B"? Or are they

negligible?

Thanks!

Tea

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