Le jeudi 27 août 2009 à 09:01 -0500, Kevin Grittner a écrit : > The type is always put in there so that you can see what it's doing; > it doesn't reflect anything which is actually taking any time. My query plan for the same query is: "Aggregate (cost=12.75..12.76 rows=1 width=0) (actual time=0.094..0.094 rows=1 loops=1)" " -> Index Scan using t2_pkey on t2 (cost=0.00..12.25 rows=200 width=0) (actual time=0.016..0.068 rows=201 loops=1)" " Index Cond: ((c1 >= 200) AND (c1 <= 400))" "Total runtime: 0.142 ms" So I don't see any :: in my results. In my various query plans on my database, the :: is only displayed when comparing int and int_unsigned. So I interpreted the :: as a cast. Are you sure that :: does not inform of a cast? Do we have documentation about that? Kind regards, Jean-Michel
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