On Wed, Sep 27, 2006 at 12:14:44PM +0300, Peter wrote: > create table temp(a timestamptz); > > insert into temp(a) select NULL; /* this passes */ > > insert into temp(a) select NULL union select NULL; /* fails: > ERROR: column "a" is of type timestamp with time zone but expression is > of type text > */ Perhaps you could indicate in the subselects the type? For example: insert into temp(a) select NULL::timestamptz union select NULL; I think as long as the first has the right type, you're set. BTW, UNION ALL is probably more efficient. Have a nice day, -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to litigate.
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