_postgis_gserialized_index_extent()

Datum _postgis_gserialized_index_extent

(

PG_FUNCTION_ARGS

)

Definition at line 2574 of file gserialized_estimate.c.

{
        GBOX *gbox = NULL;
        int key_type;
        Oid tbl_oid = PG_GETARG_DATUM(0);
        text *col = PG_GETARG_TEXT_P(1);
 
        Oid idx_oid = table_get_spatial_index(tbl_oid, col, &key_type);
        if (!idx_oid)
                PG_RETURN_NULL();
 
        gbox = spatial_index_read_extent(idx_oid, key_type);
        if (!gbox)
                PG_RETURN_NULL();
        else
                PG_RETURN_POINTER(gbox);
}

References spatial_index_read_extent(), and table_get_spatial_index().

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