-- Tests for less-than (<) operator on rdfnode type
\pset null NULL
-- Numeric comparisons
SELECT '"1"^^xsd:int'::rdfnode > '"2"^^xsd:int'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"1"^^xsd:int'::rdfnode > '"1"^^xsd:int'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"42.0"^^xsd:decimal'::rdfnode > '"42.1"^^xsd:decimal'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"42.0"^^xsd:double'::rdfnode > '"42.0"^^xsd:decimal'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"0.0"^^xsd:decimal'::rdfnode > '"-0.0"^^xsd:decimal'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"1e308"^^xsd:double'::rdfnode > '"INF"^^xsd:double'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"42"^^xsd:int'::rdfnode > '"43"^^xsd:short'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"42"^^xsd:byte'::rdfnode > '"42"^^xsd:int'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

-- Date
SELECT '"2020-01-01"^^xsd:date'::rdfnode > '"2021-01-01"^^xsd:date'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

-- Datetime
SELECT '"2025-04-25T18:45:00"^^xsd:dateTime'::rdfnode > '"2025-04-25T18:45:00"^^xsd:dateTime'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"2025-04-25T14:00:00+02:00"^^xsd:dateTime'::rdfnode > '"2025-04-25T12:00:00Z"^^xsd:dateTime'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"2025-04-25T12:00:00"^^xsd:dateTime'::rdfnode > '"2025-04-25T12:00:00Z"^^xsd:dateTime'::rdfnode; -- Incomparable (mixed timezone), returns f
 ?column? 
----------
 f
(1 row)

-- Time
SELECT '"10:00:00"^^xsd:time'::rdfnode > '"11:00:00"^^xsd:time'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"11:00:00"^^xsd:time'::rdfnode > '"10:00:00"^^xsd:time'::rdfnode;
 ?column? 
----------
 t
(1 row)

-- timezone-aware ordering
SELECT '"10:00:00+02:00"^^xsd:time'::rdfnode > '"09:00:00+02:00"^^xsd:time'::rdfnode;
 ?column? 
----------
 t
(1 row)

SELECT '"09:00:00+02:00"^^xsd:time'::rdfnode > '"10:00:00+02:00"^^xsd:time'::rdfnode;
 ?column? 
----------
 f
(1 row)

-- mixed tz/no-tz
SELECT '"10:00:00+02:00"^^xsd:time'::rdfnode > '"10:00:00"^^xsd:time'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"10:00:00"^^xsd:time'::rdfnode > '"10:00:00+02:00"^^xsd:time'::rdfnode;
 ?column? 
----------
 f
(1 row)

-- String and simple literals
SELECT '"abc"^^xsd:string'::rdfnode > '"abd"^^xsd:string'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"abc"^^xsd:string'::rdfnode > '"abc"^^xsd:string'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"a"'::rdfnode > '"b"'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '""^^xsd:string'::rdfnode > '"a"^^xsd:string'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"\u00E9"^^xsd:string'::rdfnode > '"\u00EA"^^xsd:string'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

-- Language-tagged literals
SELECT '"a"@en'::rdfnode > '"b"@en'::rdfnode; -- ERROR: cannot compare language-tagged literals
ERROR:  cannot compare language-tagged literals
SELECT '"chat"@en'::rdfnode > '"chat"@fr'::rdfnode; -- ERROR: cannot compare language-tagged literals
ERROR:  cannot compare language-tagged literals
SELECT '"abc"@de'::rdfnode > '"abc"@en'::rdfnode; -- ERROR: cannot compare language-tagged literals
ERROR:  cannot compare language-tagged literals
SELECT '"abc"@en'::rdfnode > '"abc"@EN'::rdfnode; -- ERROR: cannot compare language-tagged literals
ERROR:  cannot compare language-tagged literals
-- xsd:anyURI comparisons
SELECT '"http://a"^^xsd:anyURI'::rdfnode > '"http://b"^^xsd:anyURI'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"http://a"^^xsd:anyURI'::rdfnode > '"http://a"^^xsd:anyURI'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '""^^xsd:anyURI'::rdfnode > '"http://b"^^xsd:anyURI'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"http://\u00E9"^^xsd:anyURI'::rdfnode > '"http://\u00EA"^^xsd:anyURI'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

-- Incompatible datatype comparisons
SELECT '"41"'::rdfnode > '"42"^^xsd:int'::rdfnode; -- ERROR: cannot compare literals of different datatypes
ERROR:  cannot compare literals of different datatypes
SELECT '"abc"^^xsd:string'::rdfnode > '"2020-01-01"^^xsd:date'::rdfnode; -- ERROR: cannot compare literals of different datatypes
ERROR:  cannot compare literals of different datatypes
SELECT '"2020-01-01"^^xsd:date'::rdfnode > '"abc"^^xsd:string'::rdfnode; -- ERROR: cannot compare literals of different datatypes
ERROR:  cannot compare literals of different datatypes
SELECT '"41"^^xsd:int'::rdfnode > '"42"^^ex:customDatatype'::rdfnode; -- ERROR: cannot compare literals of different datatypes
ERROR:  cannot compare literals of different datatypes
-- NaN and infinities
SELECT '"42"^^xsd:double'::rdfnode > '"NaN"^^xsd:double'::rdfnode; -- Returns f
 ?column? 
----------
 f
(1 row)

SELECT '"NaN"^^xsd:double'::rdfnode > '"NaN"^^xsd:double'::rdfnode; -- Returns f
 ?column? 
----------
 f
(1 row)

SELECT '"NaN"^^xsd:double'::rdfnode > '"42"^^xsd:double'::rdfnode; -- Returns f
 ?column? 
----------
 f
(1 row)

SELECT '"999999999"^^xsd:double'::rdfnode > '"INF"^^xsd:double'::rdfnode; -- Returns t
 ?column? 
----------
 f
(1 row)

SELECT '"-999999999"^^xsd:double'::rdfnode > '"-INF"^^xsd:double'::rdfnode; -- Returns f
 ?column? 
----------
 t
(1 row)

-- Boolean comparisons
SELECT '"true"^^xsd:boolean'::rdfnode > '"false"^^xsd:boolean'::rdfnode;
 ?column? 
----------
 t
(1 row)

SELECT '"false"^^xsd:boolean'::rdfnode > '"true"^^xsd:boolean'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"true"^^xsd:boolean'::rdfnode > '"true"^^xsd:boolean'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"false"^^xsd:boolean'::rdfnode > '"false"^^xsd:boolean'::rdfnode;
 ?column? 
----------
 f
(1 row)

-- Durations
SELECT '"P1Y"^^xsd:duration'::rdfnode > '"-P1Y"^^xsd:duration'::rdfnode;
 ?column? 
----------
 t
(1 row)

SELECT '"-P1Y"^^xsd:duration'::rdfnode > '"P1Y"^^xsd:duration'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"-P1Y"^^xsd:duration'::rdfnode > '"-P1Y"^^xsd:duration'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"-P1Y"^^xsd:duration'::rdfnode > '"-P2Y"^^xsd:duration'::rdfnode;
 ?column? 
----------
 t
(1 row)

SELECT '"P7D"^^xsd:duration'::rdfnode > '"P1W"^^xsd:duration'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"P1M"^^xsd:duration'::rdfnode > '"P1M"^^xsd:duration'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"PT0S"^^xsd:duration'::rdfnode > '"P0D"^^xsd:duration'::rdfnode;
 ?column? 
----------
 f
(1 row)

SELECT '"PT1H"^^xsd:duration'::rdfnode > '"P1D"^^xsd:duration'::rdfnode;
 ?column? 
----------
 f
(1 row)