--
-- normal_rand()
--
SELECT * FROM normal_rand(100, 250, 5, EXTRACT(SECONDS FROM CURRENT_TIME(0))::int);

--
-- crosstab()
--
create table ct(id serial, rowclass text, rowid text, attribute text, value text);

insert into ct(rowclass, rowid, attribute, value) values('group1','test1','att1','val1');
insert into ct(rowclass, rowid, attribute, value) values('group1','test1','att2','val2');
insert into ct(rowclass, rowid, attribute, value) values('group1','test1','att3','val3');
insert into ct(rowclass, rowid, attribute, value) values('group1','test1','att4','val4');
insert into ct(rowclass, rowid, attribute, value) values('group1','test2','att1','val5');
insert into ct(rowclass, rowid, attribute, value) values('group1','test2','att2','val6');
insert into ct(rowclass, rowid, attribute, value) values('group1','test2','att3','val7');
insert into ct(rowclass, rowid, attribute, value) values('group1','test2','att4','val8');
insert into ct(rowclass, rowid, attribute, value) values('group2','test3','att1','val1');
insert into ct(rowclass, rowid, attribute, value) values('group2','test3','att2','val2');
insert into ct(rowclass, rowid, attribute, value) values('group2','test3','att3','val3');
insert into ct(rowclass, rowid, attribute, value) values('group2','test4','att1','val4');
insert into ct(rowclass, rowid, attribute, value) values('group2','test4','att2','val5');
insert into ct(rowclass, rowid, attribute, value) values('group2','test4','att3','val6');

select * from crosstab2('select rowid, attribute, value from ct where rowclass = ''group1'' and (attribute = ''att2'' or attribute = ''att3'') order by 1,2;');
select * from crosstab3('select rowid, attribute, value from ct where rowclass = ''group1'' and (attribute = ''att2'' or attribute = ''att3'') order by 1,2;');
select * from crosstab4('select rowid, attribute, value from ct where rowclass = ''group1'' and (attribute = ''att2'' or attribute = ''att3'') order by 1,2;');

select * from crosstab2('select rowid, attribute, value from ct where rowclass = ''group1'' order by 1,2;');
select * from crosstab3('select rowid, attribute, value from ct where rowclass = ''group1'' order by 1,2;');
select * from crosstab4('select rowid, attribute, value from ct where rowclass = ''group1'' order by 1,2;');

select * from crosstab2('select rowid, attribute, value from ct where rowclass = ''group2'' and (attribute = ''att1'' or attribute = ''att2'') order by 1,2;');
select * from crosstab3('select rowid, attribute, value from ct where rowclass = ''group2'' and (attribute = ''att1'' or attribute = ''att2'') order by 1,2;');
select * from crosstab4('select rowid, attribute, value from ct where rowclass = ''group2'' and (attribute = ''att1'' or attribute = ''att2'') order by 1,2;');

select * from crosstab2('select rowid, attribute, value from ct where rowclass = ''group2'' order by 1,2;');
select * from crosstab3('select rowid, attribute, value from ct where rowclass = ''group2'' order by 1,2;');
select * from crosstab4('select rowid, attribute, value from ct where rowclass = ''group2'' order by 1,2;');

select * from crosstab('select rowid, attribute, value from ct where rowclass = ''group1'' order by 1,2;', 2) as c(rowid text, att1 text, att2 text);
select * from crosstab('select rowid, attribute, value from ct where rowclass = ''group1'' order by 1,2;', 3) as c(rowid text, att1 text, att2 text, att3 text);
select * from crosstab('select rowid, attribute, value from ct where rowclass = ''group1'' order by 1,2;', 4) as c(rowid text, att1 text, att2 text, att3 text, att4 text);

-- test connectby with text based hierarchy
DROP TABLE connectby_tree;
CREATE TABLE connectby_tree(keyid text, parent_keyid text);

INSERT INTO connectby_tree VALUES('row1',NULL);
INSERT INTO connectby_tree VALUES('row2','row1');
INSERT INTO connectby_tree VALUES('row3','row1');
INSERT INTO connectby_tree VALUES('row4','row2');
INSERT INTO connectby_tree VALUES('row5','row2');
INSERT INTO connectby_tree VALUES('row6','row4');
INSERT INTO connectby_tree VALUES('row7','row3');
INSERT INTO connectby_tree VALUES('row8','row6');
INSERT INTO connectby_tree VALUES('row9','row5');

-- with branch
SELECT * FROM connectby('connectby_tree', 'keyid', 'parent_keyid', 'row2', 0, '~') AS t(keyid text, parent_keyid text, level int, branch text);

-- without branch
SELECT * FROM connectby('connectby_tree', 'keyid', 'parent_keyid', 'row2', 0) AS t(keyid text, parent_keyid text, level int);

-- test connectby with int based hierarchy
DROP TABLE connectby_tree;
CREATE TABLE connectby_tree(keyid int, parent_keyid int);

INSERT INTO connectby_tree VALUES(1,NULL);
INSERT INTO connectby_tree VALUES(2,1);
INSERT INTO connectby_tree VALUES(3,1);
INSERT INTO connectby_tree VALUES(4,2);
INSERT INTO connectby_tree VALUES(5,2);
INSERT INTO connectby_tree VALUES(6,4);
INSERT INTO connectby_tree VALUES(7,3);
INSERT INTO connectby_tree VALUES(8,6);
INSERT INTO connectby_tree VALUES(9,5);

-- with branch
SELECT * FROM connectby('connectby_tree', 'keyid', 'parent_keyid', '2', 0, '~') AS t(keyid int, parent_keyid int, level int, branch text);

-- without branch
SELECT * FROM connectby('connectby_tree', 'keyid', 'parent_keyid', '2', 0) AS t(keyid int, parent_keyid int, level int);