index_get_keytype()

static int index_get_keytype ( Oid  index_oid, int16  index_attnum  )

static

Definition at line 2359 of file gserialized_estimate.c.

{
        Oid atttypid = InvalidOid;
        Form_pg_attribute att_form;
 
        /* Get the key type for the index key? */
        HeapTuple att_tuple = SearchSysCache2(ATTNUM,
                ObjectIdGetDatum(index_oid),
                Int16GetDatum(index_attnum));
 
        if (!HeapTupleIsValid(att_tuple))
                elog(ERROR, "cache lookup failed for index %u attribute %d", index_oid, index_attnum);
 
        att_form = (Form_pg_attribute) GETSTRUCT(att_tuple);
        atttypid = att_form->atttypid;
        ReleaseSysCache(att_tuple);
        return atttypid;
}

Referenced by table_get_spatial_index().

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