" (case when ^{alias-dot}^^{column}^ is null then null when length (^{alias-dot}^^{column}^) = 0 then sparql_ebv_pure (0) else sparql_ebv_pure (1) end)" . "0"^^ . . "1"^^ . "0"^^ . " cast (^{tree}^ as varchar)" . " __i2id (cast (^{tree}^ as varchar))" . . " cast (^{tree}^ as varchar)" . . " cast (^{alias-dot}^^{column}^ as varchar)" . " (case when ^{alias-dot}^^{column}^ is null then null when length (^{alias-dot}^^{column}^) = 0 then 0 else 1 end)" . " case when ^{tree}^ is null then null when length (^{tree}^) = 0 then sparql_ebv_pure (0) else sparql_ebv_pure (1) end" . "sql-longvarchar-fixedlang-x-any" . " (case when ^{tree}^ is null then null when length (^{tree}^) = 0 then 0 else 1 end)" .