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Tom Lane authored
logic, dissuade planner from thinking that 'x IS DISTINCT FROM 42' may be optimized into 'x = 42' (!!), cause dependency on = operator to be recorded correctly, minor other improvements.
2b7ec402
logic, dissuade planner from thinking that 'x IS DISTINCT FROM 42' may be optimized into 'x = 42' (!!), cause dependency on = operator to be recorded correctly, minor other improvements.