My program (indirectly) calls the following function twice,

tuple = SearchSysCache(STATRELATT, ObjectIdGetDatum(relid),

Int16GetDatum(colnum),  0, 0);

The first time it assigns NULL to tuple, while the second time it
assigns a valid pointer. Why is it like that?  BTW, my program only
optimize query plan without executing it.

Thanks.

Responses

• Re: SearchSysCache at 2007-01-02 21:36:06 from Tom Lane

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