-- timetz check
CREATE TABLE timetztmp (a timetz);
\copy timetztmp from 'data/timetz.data'
CREATE TABLE timetzcmp ( r_id int2, a int4, b int4 );
SET enable_seqscan=on;
INSERT INTO timetzcmp (r_id,a) SELECT  1,count(*) FROM timetztmp WHERE a <  '07:46:45 GMT+3';
INSERT INTO timetzcmp (r_id,a) SELECT  2,count(*) FROM timetztmp WHERE a <= '07:46:45 GMT+3';
INSERT INTO timetzcmp (r_id,a) SELECT  3,count(*) FROM timetztmp WHERE a  = '07:46:45 GMT+3';
INSERT INTO timetzcmp (r_id,a) SELECT  4,count(*) FROM timetztmp WHERE a >= '07:46:45 GMT+3';
INSERT INTO timetzcmp (r_id,a) SELECT  5,count(*) FROM timetztmp WHERE a >  '07:46:45 GMT+3';
INSERT INTO timetzcmp (r_id,a) SELECT 11,count(*) FROM timetztmp WHERE a <  '07:46:45 GMT+2';
INSERT INTO timetzcmp (r_id,a) SELECT 12,count(*) FROM timetztmp WHERE a <= '07:46:45 GMT+2';
INSERT INTO timetzcmp (r_id,a) SELECT 13,count(*) FROM timetztmp WHERE a  = '07:46:45 GMT+2';
INSERT INTO timetzcmp (r_id,a) SELECT 14,count(*) FROM timetztmp WHERE a >= '07:46:45 GMT+2';
INSERT INTO timetzcmp (r_id,a) SELECT 15,count(*) FROM timetztmp WHERE a >  '07:46:45 GMT+2';
INSERT INTO timetzcmp (r_id,a) SELECT 21,count(*) FROM timetztmp WHERE a <  '07:46:45 GMT+4';
INSERT INTO timetzcmp (r_id,a) SELECT 22,count(*) FROM timetztmp WHERE a <= '07:46:45 GMT+4';
INSERT INTO timetzcmp (r_id,a) SELECT 23,count(*) FROM timetztmp WHERE a  = '07:46:45 GMT+4';
INSERT INTO timetzcmp (r_id,a) SELECT 24,count(*) FROM timetztmp WHERE a >= '07:46:45 GMT+4';
INSERT INTO timetzcmp (r_id,a) SELECT 25,count(*) FROM timetztmp WHERE a >  '07:46:45 GMT+4';
CREATE INDEX timetzidx ON timetztmp USING gist ( a );
SET enable_seqscan=off;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a <  '07:46:45 GMT+3'::timetz ) q WHERE r_id=1 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a <= '07:46:45 GMT+3'::timetz ) q WHERE r_id=2 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a  = '07:46:45 GMT+3'::timetz ) q WHERE r_id=3 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a >= '07:46:45 GMT+3'::timetz ) q WHERE r_id=4 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a >  '07:46:45 GMT+3'::timetz ) q WHERE r_id=5 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a <  '07:46:45 GMT+2'::timetz ) q WHERE r_id=11 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a <= '07:46:45 GMT+2'::timetz ) q WHERE r_id=12 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a  = '07:46:45 GMT+2'::timetz ) q WHERE r_id=13 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a >= '07:46:45 GMT+2'::timetz ) q WHERE r_id=14 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a >  '07:46:45 GMT+2'::timetz ) q WHERE r_id=15 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a <  '07:46:45 GMT+4'::timetz ) q WHERE r_id=21 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a <= '07:46:45 GMT+4'::timetz ) q WHERE r_id=22 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a  = '07:46:45 GMT+4'::timetz ) q WHERE r_id=23 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a >= '07:46:45 GMT+4'::timetz ) q WHERE r_id=24 ;
UPDATE timetzcmp SET b=c FROM ( SELECT count(*) AS c FROM timetztmp WHERE a >  '07:46:45 GMT+4'::timetz ) q WHERE r_id=25 ;
SELECT count(*) FROM timetzcmp WHERE a=b;
 count 
-------
    15
(1 row)