" (case (^{tree}^) when null then null when '' then 0 else 1 end)"
" case __spf (^{custom-string-1}^) when null then null when '' then 0 else 1 end"
" (case (^{tree-0}^) when '' then 0 else 1 end)"
" (case (^{tree}^) when '' then 0 else 1 end)"
" (case (^{tree}^) when 0 then 0 else 1 end)"
" /* sinv-iid?! */"
" /* sinv?! */"
" 1"
" NULL"
" isnotnull (^{tree}^)"
" sparql_ebv_int_of_obj (__ro2sq (^{tree}^))"
" sparql_ebv_int_of_obj (^{custom-verbatim-1}^ (^{tree}^))"
" case __spfn (^{custom-string-1}^, ^{comma-list-begin}^ ^{tree-N}^^{end}^) when null then null when '' then 0 else 1 end"
" (case when ^{tree}^ is null then null when (length (^{tree}^) = 0) then 0 else 1 end)"
" sparql_ebv_int_of_obj (^{custom-verbatim-1}^ (^{comma-list-begin}^ ^{tree-N}^^{end}^))"
" case __spf (^{custom-string-1}^, ^{comma-list-begin}^ ^{tree-N}^^{end}^) when '' then 0 else 1 end"
" (case when ^{tree}^ is null then null when length (^{tree}^) = 0 then 0 else 1 end)"
" (case (length (^{tree}^)) when 0 then 0 else 1 end)"
" case (isnull (^{tree}^) when 1 thern null else 1 end"
" sparql_ebv_int_of_sqlval (^{custom-verbatim-1}^ ())"